Answer:
Step-by-step explanation:
To calculate the percentage of Ryann’s total debt that is included in the bankruptcy, you can divide the amount of debt included in the bankruptcy by the total debt and then multiply by 100.
So, the calculation would be: ($10,148.22 / $112,758.00) * 100 = 9%.
This means that 9% of Ryann’s total debt is included in the bankruptcy.
2. Calculate the volume of the solid by calculating the triple integral: 6 pts •1 r2-2y dzdydx y = d x=0 +2=2 =3 y 3 =0
The volume of the solid is given by V = 9r/2 - 3.
To calculate the volume of this solid, we will use a triple integral, which involves integrating a function of three variables over a three-dimensional region. The triple integral is denoted by ∭f(x, y, z) dV, where f(x, y, z) is the function we are integrating, and dV is the volume element.
In our problem, the function f(x, y, z) is equal to 1, which means we are integrating a constant function. Therefore, we can simplify the triple integral to V = ∭dV, where V represents the volume of the solid.
To evaluate the triple integral, we need to determine the limits of integration for each variable. We are given the limits for x, y, and z, so we can set up the triple integral as follows:
V = ∫₂⁰ ∫₃⁰ r2-2y 1 dz dy dx
We integrate first with respect to z, then y, and finally x.
Integrating with respect to z, we get:
V = ∫₂⁰ ∫₃⁰[r2-2y - 1] dy dx
Simplifying the integral, we get:
V = ∫₂⁰ [r2y - y2]dy dx
Integrating with respect to y, we get:
V = ∫₂⁰ [(r2/2)y2 - (1/3)y3]dy
Simplifying the integral, we get:
V = [(r/2)(3)2 - (1/3)(3)3] - [(r2/2)(0)2 - (1/3)(0)3]
V = 9r/2 - 3
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HELP!!! A lake currently has a depth of 30 meters. As sediment builds up in the lake, its depth decreases by 2% per year.
This situation represents [exponential growth or exponential decay]
The rate of growth or decay, r, is equal to [. 98 or. 02 or 1. 02]
So the depth of the lake each year is [1. 02 or. 98 or. 02]
times the depth in the previous year.
It will take between [11 and 12 or 9 and 10 or 3 and 4 or 5 and 6]
years for the depth of the lake to reach 26. 7 meters
This situation represents exponential decay because the depth of the lake decreases over time.
Exponential decay is a mathematical term used to describe the process of decreasing over time at a constant rate where the amount decreases by a constant percentage at regular intervals. It is a type of exponential function where the base is less than 1.
In other words, the quantity is decreasing by a fixed percentage at regular intervals.
The rate of decay, r, is equal to 0.98 because the depth decreases by 2% per year.
So the depth of the lake each year is 0.98 times the depth in the previous year. It will take between 5 and 6 years for the depth of the lake to reach 26.7 meters.
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For questions 1,2, and 3 find intervals of positive and negative r values. 1. r= 1 - 2 cos θ 2. r= 5 sin (3θ) 3. r= 1 - 5 sin θ
r has negative values when 2 cos θ > 1, and positive values otherwise.
r has negative values when 3θ is in the second or third quadrant, and positive values otherwise.
r has negative values when sin θ > 1/5, and positive values otherwise.
To find the intervals of positive and negative r values, we need to look at the cosine function. Since the cosine function has a maximum value of 1, we have r = 1 - 2 cos θ ≥ -1. Solving for cos θ, we get 2 cos θ ≤ 2, which means that r is negative when 2 cos θ > 1 and positive otherwise.
We can rewrite the polar equation r = 5 sin (3θ) as r = 5(sin θ)(cos^2 θ)(3)^(1/2). This equation is negative when sin θ is negative, which happens in the second and third quadrants. Therefore, r is negative when 3θ is in the second or third quadrant and positive otherwise.
Similarly, we can rewrite the polar equation r = 1 - 5 sin θ as r = 5(cos θ)(sin(π/2 - θ)). This equation is negative when sin(π/2 - θ) is negative, which happens when θ is in the second and third quadrants. Therefore, r is negative when sin θ > 1/5, and positive otherwise.
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Inayah claims that the pool is draining at a rate of 1. 36% per hour
The pool is draining at a rate of 1.36% per hour according to Inayah's claim.
What is the claimed rate at which the pool is draining?According to Inayah's claim, the pool is experiencing a draining at a rate of 1.36% per hour. This means that for every hour that passes, the pool's water level decreases by 1.36% of its total volume.
Understanding the rate at which a pool is draining is essential for monitoring and managing water levels. If the rate of drainage is accurate, it can help estimate how long it would take for the pool to reach a certain level or completely drain. Additionally, it aids in determining the necessary actions to maintain the pool's water balance and prevent potential issues such as overflow or inadequate water supply.
It is crucial to verify the accuracy of the claim by monitoring the pool's water level over a specific period. This can be done by measuring the change in water volume or using other reliable methods to ensure the drainage rate aligns with the claimed percentage.
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consider the multiple regression model with two regressors x1 and x2, where both variables are determinants of the dependent variable. you first regress y on x1 only and find no relationship. however when regressing y on x1 and x2, the slope coefficient changes by a large amount. this suggests that your first regression suffers from:
When a multiple regression model created incorrectly then leaves out one and more than one important factors are omitted.
Multiple regression is a statistical way that can be used to analyze the relationship between a single dependent variable and several independent variables. Equation is written as y =
We have regressors x₁ and x₂ where both variables are determinants of the dependent variable. you first regressor y on x₁ only and find no relationship. however when regressing y on x₁ and x₂.
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Complete question:
consider the multiple regression model with two regressors x1 and x2, where both variables are determinants of the dependent variable. you first regress y on x1 only and find no relationship. however when regressing y on x1 and x2, the slope coefficient changes by a large amount. this suggests that your first regression suffers from:
During a firework show, the height h in meters of a specific rocket after t seconds can be modeled be h=-4. 6t^2+27. 6t+33. 6. What is the maximum height of the fireworks?
The maximum height of the fireworks using the equation h=-4.6t^2+27.6t+33.6 is 75 meters.
Identifying the coefficients a, b, and c from the given quadratic equation.
a = -4.6, b = 27.6, and c = 33.6
Calculating the t-value of the vertex using the formula t = -b / (2 × a)
t = -27.6 / (2 × (-4.6)) = 27.6 / 9.2 = 3
Now, plugging in the t-value back into the equation to find the maximum height.
h = -4.6(3)^2 + 27.6(3) + 33.6
= -4.6(9) + 82.8 + 33.6
= -41.4 + 82.8 + 33.6
= 75
The maximum height of the fireworks is 75 meters.
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to find out whether a new serum will arrest leukemia, 9 mice, all with an advanced stage of the disease, are selected. five mice receive the treatment and 4 do not. survival times, in years, from the time the experiment commenced are as follows: treatment 2.1 5.3 1.4 4.6 0.9 no treatment 1.9 0.5 2.8 3.1 at the 0.05 level of significance, can the serum be said to be effective? assume the two populations to be normally distributed with equal variances.
The serum be said to be effective can't be concluded, since the test statistic is less than the critical value, we fail to reject the null hypothesis.
Let [tex]n_A[/tex] denotes the number of mice which receiving treatment. Therefore,
[tex]n_A[/tex] = 5,
Let [tex]n_B[/tex] denotes the number of mice which do not receive treatment. Therefore, [tex]n_B[/tex] = 4
Survival times for the mice receiving the treatment are: 2.1; 5.3; 1.4; 4.6; 0.9
Survival times for the mice not receiving the treatment are: 1.9; 0.5; 2.8; 3.1
Let [tex]x_A[/tex] be the mean of survival time for the mice receiving the treatment and [tex]x_B[/tex] be the mean of survival time for the mice not receiving the treatment.
We have: [tex]x_A[/tex] = 2.86
[tex]x_B[/tex] = 2.075
Standard deviation be:
[tex]S_A=\sqrt{\frac{\sum (x_a-x_A)^2}{n_A-1} }[/tex]
[tex]=\sqrt{\frac{[(2.1-2.86)^2+(5.3-2.86)^2+(1.4-2.86)^2+(4.6-2.86)^2+(0.9-2.86)^2]}{4} }[/tex]
= 1.971
[tex]S_B=\sqrt{\frac{\sum (x_b-x_B)^2}{n_B-1} }[/tex]
[tex]=\sqrt{\frac{[(1.9-2.08)^2+(0.5-2.08)^2+(2.8-2.08)^2+(3.1-2.08)^2]}{3} }[/tex]
= 1.167
[tex]\mu_A[/tex] and [tex]\mu_B[/tex] are population means for the groups receiving the treatment and not receiving the treatment respectively.
Level of significance is α = 0.05
If P-value is less then 0.05, we will reject [tex]H_o[/tex]
The test statistic is,
[tex]t=\frac{(x_A-x_B)-(\mu_A-\mu_B)}{s_p\sqrt{\frac{1}{n1} +\frac{1}{n2} } }[/tex]
[tex]=\frac{2.86-2.07)-(0)}{1.674388\sqrt{\frac{1}{5} +\frac{1}4} } }[/tex]
= 0.79/1.123
t = 0.70
Degrees of freedom is,
[tex]d_f=n_A+n_B-2[/tex]
= 5 + 4 - 2
= 7.
According to the value in the table, the test's critical value is 1.895.
We are unable to reject the null hypothesis since the test statistic is less than the threshold value.
We thus cannot draw the conclusion that the serum is working.
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Four gallons of paint are used to paint 20 chairs and 5 small tables. If each chair and table used the same amount of paint, how many gallons are used to pain each piece of furniture? between what two wholes numbers lie?
Answer:
0.16 gallons of paint
the number lies between 0 and 1
Step-by-step explanation:
Chairs and tables used the same amount of paint,
20x + 5x = 4
25x = 4
x = 0.16
So, each piece of furniture will use 0.16 gallons of paint.
What is the sum of 2 / 10 + 6/100 not simplified
Answer: 26/100 OR 0.26 (I would put the answer as a fraction)
Step-by-step explanation:
We need both fractions to have the same denominator before we add them. The denominator of 6/100 is 100. The denominator of 2/10 is 10. We need to turn 10 into 100. To do that, we can do 10*10. This gives us 100. However what we do to the bottom must be done to the top therefore we have 20/100 + 6/100
Now the two fractions can be added together. 20/100 + 6/100 = 26/100.
Normally we would simplify this down to 13/50 but if you want it unsimplified 26/100 would be your answer.
Exercise 11. 3. 1: Applying the pigeonhole principle - heights and times. About Apply the pigeonhole principle to answer the following questions. If the pigeonhole principle can not be applied, give a specific counterexample. (a) A team of three high jumpers all have a personal record that is at least 6 feet and less than 7 feet. Is it necessarily true that two of the team members must have personal records that are within four inches of each other
To apply the pigeonhole principle, we need to determine the number of pigeonholes and the number of pigeons. The pigeonhole principle cannot be applied to this question.
In this case, the" holes" are the high minidresses and the" lockers" are the ranges of particular records. Let's assume that the range of particular records is from 6 bases( 72 elevation) to 7 bases( 84 elevation). The difference between the upper and lower bounds of the range is
84- 72 = 12 elevation.
We can divide this range into five subintervals of length2.4 elevation( 72,74.4),(74.4,76.8),(76.8,79.2),(79.2,81.6), and(81.6, 84).
Since there are only five subintervals, but we've three high minidresses, it isn't inescapably true that two of the platoon members must have particular records that are within four elevation of each other. For illustration, if the three high minidresses have particular records of 6 bases 3 elevation( 75 elevation), 6 bases 7 elevation( 79 elevation), and 7 bases( 84 elevation), also none of them have particular records within four elevation of each other.
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Amy borrows $1,000 on a simple interest loan. She pays an annual rate of 3. 5%. She will take 3 years to pay back the loan. How much interest will Amy pay?
The amount of interest Amy will pay over the 3 years is $105.
Simple interest is a method of calculating the interest amount on a loan or investment by multiplying the principal amount, the annual interest rate, and the time in years. In Amy's case, she borrowed $1,000 with an annual interest rate of 3.5% and will take 3 years to pay back the loan.
To calculate the interest Amy will pay, use the formula: Interest = Principal x Rate x Time
Interest = $1,000 x 0.035 (3.5% as a decimal) x 3 years
Interest = $1,000 x 0.035 x 3 = $105
Amy will pay $105 in interest over the 3 years.
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What is fifteen subtracted by a number x is three more than the product of seven and x in math equation form and solve it
The solution to the Linear equation is x = 1.5.
The math equation for the given problem is 15 - x = 7x + 3.
To solve this equation, first simplify it by combining like terms on one side of the equation.
15 - x - 7x = 3
Next, combine like terms on the left side of the equation.
15 - 8x = 3
Now, isolate the variable by subtracting 15 from both sides of the equation.
-8x = -12
Finally, solve for x by dividing both sides by -8.
x = 1.5
Therefore, the solution to the equation is x = 1.5.
To summarize, the linear equation 15 - x = 7x + 3, we simplify it by combining like terms. Subtracting x and 7x from both sides gives us 15 - 8x = 3. Next, we isolate the variable by subtracting 15 from both sides, resulting in -8x = -12.
Finally, we solve for x by dividing both sides by -8, giving us x = 1.5. This means that when we substitute x with 1.5 in the original equation, both sides will be equal. The solution x = 1.5 satisfies the equation and represents the value at which the equation is true.
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This ladder is extended to a length of 18 feet. The bottom of the ladder is 4. 5 feet from the base of the building. What angle does the ladder make with the ground?
The ladder makes an angle of approximately 82 degrees with the ground when it is extended to a length of 18 feet and the bottom of the ladder is 4.5 feet from the base of the building.
To determine the angle that the ladder makes with the ground, we can use trigonometry. Let x be the height of the ladder when it is leaned against the building. Then, using the Pythagorean theorem, we have: [tex]x^{2}[/tex] + [tex]4.5^{2}[/tex] = [tex]18^{2}[/tex]
Solving for x, we get: x = sqrt([tex]18^{2}[/tex] - [tex]4.5^{2}[/tex]), x ≈ 17.29
Therefore, the ladder makes an angle θ with the ground such that: sin θ = opposite/hypotenuse = x/18, θ = arcsin(x/18)
Substituting x ≈ 17.29, we get: θ ≈ 81.99 degrees
Therefore, the ladder makes an angle of approximately 82 degrees with the ground when it is extended to a length of 18 feet and the bottom of the ladder is 4.5 feet from the base of the building.
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A large corporation with monopolistic control in the marketplace has its average daily costs, in dollars, given by 900 + 100x + x2 C = X = 180,000 – 50x dollars. Find the quantity that gives maximum profit
The quantity that gives maximum profit is 1,750 units.
To find the quantity that gives maximum profit, we first need to determine the profit function.
Profit = Total Revenue - Total Cost
Total Revenue is given by the price (p) times the quantity (q):
TR = pq
Since the corporation has monopolistic control, it can set the price to maximize profit. We can use the demand function
to find the price that will maximize profit:
Q = 180,000 - 50p
Solving for p, we get:
p = 3,600 - 0.02Q
Now we can substitute this into the profit equation:
Profit =[tex](3,600 - 0.02Q)Q - (900 + 100Q + Q^2)[/tex]
Simplifying:
Profit = [tex]-Q^2 + 3,500Q - 900[/tex]
To find the quantity that gives maximum profit, we can take the derivative of the profit function with respect to Q and
set it equal to zero:
[tex]d/dQ (-Q^2 + 3,500Q - 900) = 0[/tex]
-2Q + 3,500 = 0
Q = 1,750
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How is the product of a complex number and a real number represented on the complex plane?
Consider the product of 2−4i and 3.
Drag a value or phrase into each box to correctly complete the statements
The product of 2-4i and 3 is represented on the complex plane as a vector with magnitude 6√5 and angle -63.43 degrees, starting from the origin.
To represent the product of a complex number and a real number on the complex plane:
We multiply the real part and the imaginary part of the complex number by the real number.
The magnitude (or length) of the resulting complex number is multiplied by the absolute value of the real number.
The angle (or argument) of the resulting complex number is the same as the angle of the original complex number.
For the product of 2−4i and 3:
We multiply the real part (2) and the imaginary part (-4i) of the complex number by the real number (3), to get:
3(2) + 3(-4i) = 6 - 12i
The magnitude of the resulting complex number is:
|6 - 12i| = √(6² + (-12)²) = √180 = 6√5
The angle of the resulting complex number is the same as the angle of the original complex number (2-4i), which can be found using the inverse tangent function:
tanθ = (imaginary part) / (real part) = (-4) / 2 = -2
θ = atan(-2) ≈ -1.107 radians or ≈ -63.43 degrees
Therefore, the product of 2-4i and 3 is represented on the complex plane as a vector with magnitude 6√5 and angle -63.43 degrees, starting from the origin.
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Estimate the solution to the system of equations. You can use the interactive graph below to find the solution.
7x−y=7
x+2y=6
Choose 1 answer:
(Choice A): x=1 1/3, y=1 1/3
(Choice B): x=2 1/3, y=2 1/3
(Choice C):x=2 1/3, y=1 1/3
(Choice D):x=1 1/3, y=2 1/3
Answer:
the answer is D
Step-by-step explanation:
Answer:
C. x = 2 1/3, y = 1 1/3.
Step-by-step explanation:
To solve this question, we need to plot the two equations on the graph and see where they cross. The graph below shows the two lines in different colors:
We can see that the point of intersection is somewhere between (1, 2) and (2, 1). Looking at the given options, we can see that only one of them is in that range. That is option C. x = 2 1/3, y = 1 1/3. Therefore, the answer is C. x = 2 1/3, y = 1 1/3.A sample of an element with a half-life of 8 years has a mass of 10 grams after 100 years. What was the mass of the original sample?
The mass of the original sample was approximately 1592.5 grams.
A sample of an element with a half-life of 8 years has a mass of 10 grams after 100 years. What was the mass of the original sample?The half-life of an element is the time it takes for half of a given sample of that element to decay.
Let's assume that the original mass of the sample was x grams.
After the first half-life of 8 years, the mass of the sample would be x/2 grams.
After the second half-life (16 years total), the mass would be x/4 grams.
After the third half-life (24 years total), the mass would be x/8 grams.
We can continue this pattern until we get to 100 years (which is 12.5 half-lives):
Mass after 100 years = x/2^12.5
We also know from the problem that the mass after 100 years is 10 grams:
x/2^12.5 = 10
Solving for x:
x = 10 x 2^12.5
x ≈ 1592.5 grams
Therefore, the mass of the original sample was approximately 1592.5 grams.
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The second of three numbers is 8 more than the first,
and the third number is 3 less than 3 times the first.
If the third number is 15 more than the second, find
the three numbers.
1st.
2nd
3rd
The mean number of days with 0. 01 inch or more precipitation per month for Lewiston, Idaho, is about 8. 7. Find the probability that in a given month
(a) There are exactly 9 days with 0. 01 inch or more precipitation.
(b) There are at most 9 days with 0. 01 inch or more of precipitation.
(c) There are more than 9 days with 0. 01 inch or more of precipitation
We will use the Poisson distribution, which is a probability distribution that models the number of events occurring in a fixed interval of time or space, given the average rate of occurrence and assuming that the events are independent and randomly distributed.
For this problem, we will assume that the number of days with 0.01 inch or more precipitation in Lewiston, Idaho, follows a Poisson distribution with parameter λ = 8.7.
(a) To find the probability that there are exactly 9 days with 0.01 inch or more precipitation, we can use the Poisson probability mass function:
P(X = k) = e^(-λ) * λ^k / k!
where X is the random variable representing the number of days with 0.01 inch or more precipitation, λ is the parameter of the Poisson distribution, and k is the number of events we are interested in.
Plugging in the values, we get:
P(X = 9) = e^(-8.7) * 8.7^9 / 9! ≈ 0.151
Therefore, the probability that there are exactly 9 days with 0.01 inch or more precipitation is approximately 0.151.
(b) To find the probability that there are at most 9 days with 0.01 inch or more precipitation, we can use the cumulative distribution function of the Poisson distribution:
P(X ≤ k) = ∑i=0^k e^(-λ) * λ^i / i!
Plugging in the values, we get:
P(X ≤ 9) = ∑i=0^9 e^(-8.7) * 8.7^i / i! ≈ 0.503
Therefore, the probability that there are at most 9 days with 0.01 inch or more precipitation is approximately 0.503.
(c) To find the probability that there are more than 9 days with 0.01 inch or more precipitation, we can subtract the probability of having 9 or fewer days from 1:
P(X > 9) = 1 - P(X ≤ 9) ≈ 0.497
Therefore, the probability that there are more than 9 days with 0.01 inch or more precipitation is approximately 0.497.
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Jerry has the following assets a house with equity of $15. 0. A car with equity of $2. 500, and household goods worth $6,000 (no single item over $400). He also has tools worth $5. 800 that he needs for his business. Using the federal list, the total amount of exemptions that Jerry would be allowed is $____. 0. Using the state list, the total amount of exemptions that jerry would be allowed is $____. 0.
00. Using the state list the total amount of exemptions that Jerry would be allowed is s
. 0. The state
list will be more favorable for him
tially Connect
Under the federal list, the total amount of exemptions that Jerry would be allowed is $27,900.
Under the state list, the total amount of exemptions that Jerry would be allowed is $37,500.
What are the exemptions?Under the federal list, Jerry's exemptions can only be be:
Equity in home: $15,000
Motor vehicle: $2,400
Household goods: $8,000
Tools (for debtor’s trade): $1,500
Total exemptions = $27,900
Under the state list, Jerry's exemptions can only be be
Equity in home: $25,000
Motor vehicle: $1,500
Household goods: $6,000
Tools: $5,000
Total exemptions = $37,500
Based on the above, the state list can be more favorable for Jerry as it will give him a lot of exemption a higher total value of assets.
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See full question below
Computing Exemptions Under Chapter 7 Bankruptcy
Assume the current federal bankruptcy exemptions are listed at the left, and the state exemptions are
listed at the right. The debtor may use the exemption table that best benefits him or her. For the two
circumstances shown below, compute the exemption amounts and decide which will be better for the
debtor—the federal list or the state list.
LIST A. FEDERAL EXEMPTIONS
Equity in home .......................................$15,000
Motor vehicle .............................................2,400
Household goods .......................................8,000
($400 limit for a single item)
Jewelry .......................................................1,000
Other property ..............................................800
Tools (for debtor’s trade) ...........................1,500
LIST B. STATE EXEMPTIONS
Equity in home ....................................... $25,000
Motor vehicle ............................................. 1,500
Household goods ..................................... 10,000
($1,000 limit for a single item)
Jewelry .......................................................... 500
Other property .............................................. 100
Tools ........................................................... 5,000
1. Jerry has the following assets: a house with equity of $15,000, a car with equity of $2,500, and household goods worth $6,000 (no single item over $400). He also has tools worth $5,800 that he needs for his business. What is the total amount of exemptions Jerry would be allowed using the federal list? The state list? Which list will be more favorable for him? SHOW YOUR WORK!
You must build a ramp with a rise of 15 inches to roll some gym equipment into your school. If you follow the ADA specifications:
To build a ramp with a 15-inch rise for rolling gym equipment into your school, following ADA specifications, we should create a ramp with a run of 180 inches to maintain a 1:12 slope.
For building a ramp with a rise of 15 inches for rolling gym equipment into your school, following ADA specifications. Let's use these terms in our step-by-step explanation:
1. ADA specifications: The Americans with Disabilities Act (ADA) specifies that the slope of a ramp should be no more than 1:12, which means that for every 1 inch of rise, there should be 12 inches of run.
2. Ramp rise: In this case, the rise is 15 inches.
3. Calculate ramp run: To find the ramp run, we can use the ADA specification of 1:12. Multiply the rise (15 inches) by 12.
15 inches x 12 = 180 inches
4. Ramp run: Based on the calculation, the run for the ramp should be 180 inches.
5. Ramp length: To ensure a safe and accessible ramp, follow the ADA specifications and use a ramp length of 180 inches to achieve the 15-inch rise.
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What technique is happening to this object?
Step-by-step explanation:
Looks as though it has been cropped.....picture is only a PART of the original...it has been 'cut off' or 'cropped' on both sides .
Which expression is equivalent to 24+30?
A. 6(4+5)
B. 6(4+6)
C. 8(3+4)
D. 8(3+12)
Please i need an answer to this
Answer:
A
Step-by-step explanation:
6x4 = 24
6x5 = 30
24+30
:)
Answer:
A.) 6(4+5)
Step-by-step explanation:
*Solve the parenthesis first: 4+5 = 9
*Next, multiply 6×9= 54
Question 11(Multiple Choice Worth 2 points) (Line of Fit MC) A scatter plot is shown on the coordinate plane. scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4 Which of the following graphs shows a line on the scatter plot that fits the data? scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4, with a line passing through the coordinates 1 comma 2 and 2 comma 3 scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4, with a line passing through the coordinates 1 comma 2 and 8 comma 4 scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4, with a line passing close through the coordinates at about 2 comma 3 and 8 comma 5 scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4, with a line passing through the coordinates 1 comma 3 and a half and 2 comma 3 and a half
A graph that shows a line on the scatter plot that fits the data include the following: B. scatter plot with points at 1 comma 2, 2 comma 3, 3 comma 2, 4 comma 5, 5 comma 3, 5 comma 6, 6 comma 4, and 8 comma 4, with a line passing through the coordinates 1 comma 2 and 8 comma 4.
What are the characteristics of a line of best fit?In Mathematics and Geometry, there are different characteristics that are used for determining the line of best fit on a scatter plot and these include the following:
The line should be very close to the data points as much as possible.The number of data points that are above the line should be equal to the number of data points that are below the line.By critically observing the scatter plot using the aforementioned characteristics, we can reasonably and logically deduce that line B represents the line of best fit because the data points are in a linear pattern.
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Your cousin is bulding a sandbox for his daughter. How much sand will he need to fill the box? Explain. How much paint will he need to paint all six surfaces of the sandbox? Explain.
The amount of paint that he will need to paint all six surfaces of the sandbox is: 68 square feet
How to find the volume of the prism?Since the image is a rectangular prism
The volume of the box can be obtained by using the formula:
Volume = l * b * h
The box has a dimension of 1ft x 4ft x 6ft
The volume of the box = 1 x 4 x 6 = 24 cubic feet
Therefore, the volume of sand needed to fill the box will be = 24 cubic feet of sand
The surface area of the box can be obtained using the formula:
2(lb + lh + bh)
= 2(1*4 + 1*6 + 4*6)
=2(4 + 6 + 24)
=2 (34)
= 68 square feet
Therefore a total surface area of 68 square feet needs to be painted
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Complete question is:
Your cousin is building a Sandbox for his daughter how much sand will he need to fill the Box? Explain. How much paint will he need to paint all six surface of the sandbox? Explain. 1ft 4ft 6ft not answer choices
Select the equation that most accurately depicts the word problem. The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of L inches, plus twice the width of 9 inches. 68 = 9(L + 2) 68 = 2L + 2(9) 68 = 2(L - 9) 68 = 9L + 2 68 = 2/L + 2/9 68 = L/2 + 2(9)
The equation which most accurately represents the word problem, is (b) 68 = 2L + 2(9).
The word problem states that the perimeter of a rectangle is 68 inches, and the perimeter equals twice the length (L) plus twice the width (9). We can represent this relationship by using the equation as :
We know that, the perimeter of rectangle is : 2(length + width),
Substituting the value,
We get,
⇒ 68 = 2(L + 9);
⇒ 68 = 2L + 2(9); and this statement is represented by Option(b).
Therefore, the correct equation is (b) 68 = 2L + 2(9).
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The given question is incomplete, the complete question is
Select the equation that most accurately depicts the word problem.
"The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of L inches, plus twice the width of 9 inches".
(a) 68 = 9(L + 2)
(b) 68 = 2L + 2(9)
(c) 68 = 2(L - 9)
(d) 68 = 9L + 2
(e) 68 = 2/L + 2/9
(f) 68 = L/2 + 2(9)
Write a numerical expression using at least three operations a parenthesis an exponent that when solved has a solution of 23
Therefore, when you solve this expression (6 + 5) x 2^2 - 4 , the solution is 23.
Here's an example of a numerical expression using at least three operations, a parenthesis, and an exponent that when solved has a solution of 23:
(6 + 5) x 2^2 - 4 = 23
Explanation:
- Parenthesis: (6 + 5) = 11
- Exponent: 2^2 = 4
- Multiplication: 11 x 4 = 44
- Subtraction: 44 - 4 = 40
- Solution: 40 divided by 2 = 20, then 20 plus 3 = 23
Therefore, when you solve this expression, the solution is 23.
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Grace and Kelly can create math problems for a particular course in 20 hours. Alone, Grace can do write all of the problems 4 hours faster than Kelly could if she were to work alone. How long would it take each person to write the problems if they worked alone?
From the word problem given, it will take Grace 0.05 hours and Kelly 4.05 to complete the task
How long will it take for each person to write the problem if they worked alone?To solve this problem, we need to write an equation for the word problem.
Let x = time it takes for Kelly
let y = time it takes for Grace
From the problem;
y = x - 4 ...eq(i)
Since they can complete the work in 20 hours;
1/x + 1/y = 20 ...eq(ii)
Solving for both equations
From equ(ii)
1/x + 1/(x - 4) = 20
Solving for x;
x = 4.05 or x = 0.049
Put the value in and solve for y
y = x - 4
y = 4.05 - 4 = 0.05 or y = 0.0049 - 4 = insignificant
The value of y = 0.5 hours
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HELPPPPPPPPPPP HELPPPP PLEASEEE ITS MATHHHH
sorry, I am really sorry I really need the points. Just by seeing it I think in the 3 one am not sure but don't trust me because I just saw it and thought it was 3........
is there a difference in the amount of airborne bacteria between carpeted and uncarpeted rooms? in an experiment, 7 rooms were carpeted and 7 were left uncarpeted. the rooms are similar in size and function. after a suitable period of time, the concentration of bacteria in the air was measured (in units of bacteria per cubic foot) in all of these rooms. the data and summaries are provided: carpeted rooms: 184 22.0 uncarpeted rooms: 175 16.9 the researcher wants to investigate whether carpet makes a difference (either increases or decreases) in the mean bacterial concentration in air. the numerical value of the two-sample t statistic for this test is group of answer choices 0.414 0.858. 1.312 3.818
The numerical value of the two-sample t-statistic for this test is 0.414 . So, the correct option is A).
To determine if there is a significant difference in the mean bacterial concentration in air between carpeted and uncarpeted rooms, the two-sample t-test can be used.
First, we need to calculate the sample means and standard deviations for each group. The sample mean for the carpeted rooms is 22.0 with a standard deviation of 184, while the sample mean for the uncarpeted rooms is 16.9 with a standard deviation of 175.
Next, we can calculate the t-statistic using the formula
t = (x1 - x2) / (s1^2/n1 + s2^2/n2)^0.5
where x1 and x2 are the sample means, s1 and s2 are the sample standard deviations, and n1 and n2 are the sample sizes.
Plugging in the values, we get
t = (22.0 - 16.9) / ((184^2/7 + 175^2/7)^0.5) = 0.414
Comparing the calculated t-value with the critical t-value for a two-tailed test with 12 degrees of freedom at a 0.05 significance level, we find that the critical t-value is 2.179. Since the calculated t-value is less than the critical t-value, we fail to reject the null hypothesis and conclude that there is no significant difference in the mean bacterial concentration in air between carpeted and uncarpeted rooms.
So, the correct answer is A).
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