Answer: To solve this problem, we can start by drawing a diagram of the two triangles and the line connecting their hypotenuses. Let's label the height of the first triangle as h1, the width of the second triangle as w2, and the slope of the line as m.
We know that the hypotenuse of a right triangle is always longer than either of its legs, so we can conclude that h1 < w2. We also know that the height of the second triangle is 12 units, so we can label that as h2 = 12.
Using the Pythagorean theorem, we can express the lengths of the hypotenuses in terms of their legs:
h1^2 + 3^2 = L^2, where L is the length of the first hypotenuse
w2^2 + 12^2 = L^2, where L is the length of the second hypotenuse
Setting these two expressions equal to each other, we can solve for h1 in terms of w2:
h1^2 + 3^2 = w2^2 + 12^2
h1^2 = w2^2 + 12^2 - 3^2
h1^2 = w2^2 + 141
h1 = sqrt(w2^2 + 141)
Now, we can use the fact that the hypotenuses lie on the same line to write an equation for that line:
y = mx + b
where b is the y-intercept of the line. Since the hypotenuses intersect the y-axis at the points (0,h1) and (0,12), we know that b = (h1 + 12)/2. Therefore, our equation becomes:
y = mx + (h1 + 12)/2
To find the slope of the line, we can use the fact that the rise (change in y) over run (change in x) is the same for both triangles. We can express this as:
(h1 - 12) / 3 = 12 / w2
Solving for h1 in terms of w2 and simplifying, we get:
h1 = (36/w2) + 12
Substituting this expression for h1 into our equation for the line, we get:
y = mx + ((36/w2) + 24)/2
y = mx + (18/w2) + 12
Comparing this to the general form of the equation for a line, y = mx + b, we see that the slope is simply:
m = 18/w2
Substituting w2 = 3 (since we were given that the width of the second triangle is 3 units), we get:
m = 18/3 = 6
Therefore, the slope of the line is 6.
Step-by-step explanation:
find a
18a=56
so what is a
Answer:
[tex]\bf a=\cfrac{28}{9}[/tex]Or
[tex]\bf a=3.111....[/tex]Step-by-step explanation:
[tex]\bf 18a=56[/tex]
Divide both sides by 18:-
[tex]\bf \cfrac{18a}{18}=\cfrac{56}{18}[/tex]
Simplify:-
[tex]\bf a=\cfrac{28}{9}[/tex]
Or
[tex]\bf a=3.111....[/tex]
________________________
Hope this helps!
25 POINTS
The model for long-term average temperature f (x), in degrees Celsius, at the Willburn airport is represented by the equation f of x is equal to 5 times cosine of the quantity x over 12 end quantity plus 14 and 5 tenths period If x represents the month of the year, in which months will the temperature be 17°C?
x equals pi over 3 plus 24 times pi times n and x equals 5 times pi over 3 plus 24 times pi times n
x equals pi over 3 plus 2 times pi times n and x equals 5 times pi over 3 plus 2 times pi times n
x = 4π + 24πn and x = 20π + 24πn
x = 4π + 2πn and x = 20π + 2πn
Therefore, the temperature will be 17°C in the months of [tex]x = 4 + 48k[/tex] or [tex]x = 20 + 48k,[/tex] where k is an integer.
What is temperature?Temperature is a measure of the average kinetic energy of the particles in a substance. In simpler terms, it is a measure of how hot or cold something is. The temperature is usually measured using a thermometer, which can be a simple device such as a mercury or alcohol thermometer, or a more complex electronic device such as a thermocouple or infrared thermometer. The standard unit of measurement for temperature is the degree Celsius (°C) or Fahrenheit (°F), although the Kelvin (K) scale is also commonly used in scientific contexts.
To find in which months the temperature will be 17°C, we need to solve the equation:
[tex]f(x) = 17[/tex]
Substituting the given equation of f(x), we get:
[tex]5 cos(x/12) + 14.5 = 17[/tex]
Simplifying this equation, we get:
[tex]cos(x/12) = 0.5[/tex]
[tex]cos(x/12) = cos(π/3 + 2kπ) or cos(x/12) = cos(5π/3 + 2kπ)[/tex]
cos(5π/3) = -0.5. Also, cos(x) has a period of 2π. Therefore, we can write:
[tex]cos(x/12) = cos(π/3 + 2kπ) or cos(x/12) = cos(5π/3 + 2kπ)[/tex]
where k is an integer.
Solving for x, we get:
[tex]x/12 = π/3 + 2kπ or x/12 = 5π/3 + 2kπ[/tex]
[tex]x = 4π + 24kπ or x = 20π + 24kπ[/tex]
Multiplying both sides by 12, we get:
[tex]x = 4π12 + 24kπ12 or x = 20π12 + 24kπ12\\x = 4π + 288kπ or x = 20π + 288kπ[/tex]
or in terms of 2π:
[tex]x = 4 + 48k or x = 20 + 48k[/tex]
where k is an integer. [tex]π[/tex]= pi
To learn more about temperature:
https://brainly.com/question/11464844
#SPJ1
Paco is trying to explain to his friend that 7 ÷2=-
Draw a model or number line showing 7 ÷2:
+2=1/12-
To represent 7 ÷ 2 on a number line, we can start by drawing a line with the numbers 0 to 7 marked on it. Then, we can divide the line into two equal parts, since we are dividing 7 by 2. The midpoint of the line will represent the result of the division, which is 3.5.
Here is a rough sketch of what the number line could look like:
0------1------2------3------4------5------6------7
|_______________|
3.5
Alternatively, we can also represent the division using a fraction model. We can draw a rectangle and divide it into two equal parts. Then, we shade in 7 of the 12 equal parts, since 7 ÷ 2 can be written as the fraction 7/2 or 7 ÷ 2 = 3 1/2.
Here is a rough sketch of what the fraction model could look like:
+----+----+----+----+----+----+
| | | | | | |
+----+----+----+----+----+----+
| | | | | | |
+----+----+----+----+----+----+
In this model, each of the 12 parts represents 1/12 of the whole. We shade in 7 of the 12 parts to represent 7/12 of the whole, which is equivalent to 7 ÷ 2.
1. ) A shoe salesman sold $4,125 in shoes. He earns a 4% commission. If his base salary is $2000, how much did he earn in total. Be sure to show the formula you use to solve
the shoe salesman earned a total of $2,165. To calculate the total earnings of the shoe salesman, we need to determine both his commission and base salary.
First, we can calculate his commission by multiplying the total amount of shoes he sold by his commission rate:
Commission = Total shoes sold * Commission rate
Commission = $4,125 * 0.04
Commission = $165
Next, we can add his commission to his base salary to determine his total earnings:
Total earnings = Commission + Base salary
Total earnings = $165 + $2,000
Total earnings = $2,165
Therefore, the shoe salesman earned a total of $2,165.
It's important to note that commission is a percentage of sales, and it can be a motivating factor for salespeople. A commission-based salary rewards high performers and incentivizes them to sell more. However, commission rates may vary depending on the industry, product, and company policies. Some companies may offer a higher commission rate for selling high-end products or for meeting or exceeding sales targets.
In conclusion, the shoe salesman earned $2,165 in total, which includes his commission and base salary. Commission-based salaries can be an effective way to motivate salespeople and incentivize high performance.
To know more about earnings of the shoe salesman, click here:
brainly.com/question/3236695
#SPJ4
Identify the radius and the center of a circle whose equation is (x â€" 5)² y² = 81. the radius of the circle is units. the center of the circle is at ( , ).
The radius of the circle is 9 units. The center of the circle is at (5, 0).
The given equation is (x – 5)²y² = 81.
To identify the radius and center of this circle, we can rewrite the equation in standard form.
First, let's divide both sides by 81 to get (x – 5)²y²/81 = 1.
Next, we can take the square root of both sides to eliminate the squared terms.
This gives us the equation (x – 5)/9 · y/3 = 1.
The standard form of a circle is (x – h)² + (y – k)² = r², where (h, k) is the center of the circle and r is the radius.
Comparing this form to our equation, we can see that (x – 5)/9 and y/3 correspond to (x – h) and (y – k), respectively.
Therefore, we can solve for h and k by setting (x – 5)/9 = 0 and y/3 = 0, respectively.
This gives us h = 5 and k = 0, so the center of the circle is (5, 0). Finally, we can solve for the radius r by noting that the
distance from the center (5, 0) to the edge of the circle is 3 units in the x-direction and 9 units in the y-direction.
Therefore, the radius of the circle is 9 units, and we can express our final answer as:
The radius of the circle is 9 units. The center of the circle is at (5, 0).
for such more question on radius
https://brainly.com/question/29127882
#SPJ11
divide polynomials by a binomial (y²−y−56)÷(y−8)
Answer:
y+7
Step-by-step explanation:
will we use the way of long divide which will help
[tex]y-8\sqrt{y^{2}-y-56 }[/tex]
because y need another y to became y square that mean we need y
since we have y square we could minus y-8y which is1
so 56divide (-8)=7
so it is y+7
brain please
thanks
[100 POINTS!!!]
According to the Fundamental Theorem of Algebra, how many zeros does the function f(x) = 5x^6+2x^3−4x + 1
There are____________ Zeros.
Step-by-step explanation:
According to the Fundamental Theorem of Algebra, a polynomial of degree n has exactly n complex zeros (counting multiplicities).
The degree of the polynomial f(x) = 5x^6+2x^3−4x + 1 is 6, which means that it is a sixth-degree polynomial. Therefore, it has exactly 6 complex zeros (counting multiplicities).
Note that the zeros may be real or complex, and they may not all be distinct. To find the exact number of zeros and their values, we would need to use additional methods such as factoring, the rational zeros theorem, or numerical methods.
Answer:
The Fundamental Theorem of Algebra states that every non-constant polynomial function has at least one complex root. In the case of the polynomial function f(x) = 5x^6+2x^3−4x + 1, it is a sixth-degree polynomial function, which means it has at most six complex roots. However, the Fundamental Theorem of Algebra does not tell us the exact number of roots, nor does it tell us whether the roots are real or complex.
To determine the number of real roots of the function f(x), we can use the Intermediate Value Theorem or graph the function to find the number of times it crosses the x-axis. However, determining the number of complex roots requires more advanced techniques, such as the use of the Fundamental Theorem of Algebra in combination with the Factor Theorem, Rational Root Theorem, or other methods.
Therefore, based on the Fundamental Theorem of Algebra alone, we can say that the function f(x) = 5x^6+2x^3−4x + 1 has at least one complex root, but we cannot determine the exact number or nature of the roots without additional analysis.
pleasee help me fast
Therefore, the length of side AC in triangle ABC is approximately 14.6 units.
What is triangle?A triangle is a closed two-dimensional geometric shape that is formed by connecting three non-collinear points with straight line segments. Each of these line segments is called a side, and the point where two sides meet is called a vertex. A triangle has three vertices, three sides, and three angles. Triangles can be classified based on the length of their sides and the size of their angles.
Here,
We can use the sine rule to find the length of side AC in triangle ABC, where angle A = 32° and AB = 8. The sine rule states that for any triangle ABC:
a/sin(A) = b/sin(B) = c/sin(C)
where a, b, and c are the lengths of the sides opposite to the angles A, B, and C, respectively.
In this case, we know the length of side AB (a = 8) and the measure of angle A (A = 32°), so we can set up the following proportion:
a/sin(A) = c/sin(C)
Substituting the values, we get:
8/sin(32°) = AC/sin(C)
Solving for AC, we get:
AC = (8/sin(32°)) * sin(C)
To find sin(C), we can use the fact that the sum of the angles in a triangle is 180°. So, we have:
C = 180° - 90° - A
C = 180° - 90° - 32°
C = 58°
Substituting this value, we get:
AC = (8/sin(32°)) * sin(58°)
AC ≈ 14.6
To know more about triangle,
https://brainly.com/question/28600396
#SPJ1
what is the volume of the right circular cylinder with a diameter of 10 meters and a height of 16 meters. leave the answer in terms of pi.
if it has a diameter of 10, that means its radius is half that or 5.
[tex]\textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ h=16 \end{cases}\implies V=\pi (5)^2(16)\implies V=400\pi[/tex]
Answer: The answer is A, 400π m3
Step-by-step explanation:
A merry-go-round rotates from rest with cons†an t angular acceleration 'alpha'. ratio of time to rotate first 2 revolutions and next 2 revolutions i.
The required ratio of the time to rotate first and next 2 revolution is given by option 2. (√2+1) : 1.
Merry go round starts from rest.
Let us assume that the initial angular velocity and displacement are zero. Final angular velocity after 2 revolutions is ω.
This implies,
ω₀ = 0 rad/s.
For first two revolutions of the merry go round we have,
θ = 2×2π rad
⇒ θ = ω.t₁ + 1/2 × α × t₁²
⇒ 2×2π = 0×t₁ + 1/2 × α × t₁²
⇒t₁² = 8π/α
⇒ t₁ = √(8π/α)
For first four revolutions of the merry go round we have,
θ = 4×2π rad
⇒ θ = ω.t₂ + 1/2 α.t₂²
⇒ 4×2π = 0×t₂ + 1/2 × α × t₂²
⇒ t₂² = 16π/α
⇒t₂ = √(16π/α)
Time taken for 3rd and 4th revolution of the merry go round is equals to,
t₃ = t₂ - t₁
Substitute the values we get,
⇒ t₃ = √(16π/α) - √(8π/α)
⇒t₃ = (√2-1) √(8π/α)
Ratio of time to rotate first 2 revolutions and next 2 revolutions is written as ,
t₁/t₃ = √(8π/α) / [(√2-1)√(8π/α)]
⇒ t₁/t₃ = 1/(√2-1)
Multiply and divide by the conjugate of √2-1 is equals to,
⇒ t₁/t₃ = 1/(√2-1) × (√2+1)/(√2+1)
⇒ t₁/t₃ = √2+1
Therefore, ratio of time to rotate first 2 revolutions & next 2 revolutions is equals to option 2. (√2+1) : 1.
learn more about ratio here
brainly.com/question/29432792
#SPJ4
The above question is incomplete, the complete question is:
A merry go round rotates from rest with constant angular acceleration `α` . Ratio of time to rotate first 2 revolutions & next 2 revolutions is
1) 1:1
2) (√2+1):1
3) √2:1
4) 1:√2
pentagon abcde is the image of pentagon abcde under
The length of segment A'E' of the new formed pentagon is 5 units.
How to find the length of the line segment?We are given that:
Pentagon A’B′C′D′E’, is the image of pentagon ABCDE under a dilation with a scale factor of 5/2.
From the attached graph, we see that the coordinates of the points A and E, in the pentagon ABCDE with reference to point A are;
A- (0, 0)
E- (0, 2)
The length of the segment AE is:
AE = √((2-0)² + (0 - 0)²)
AE = √2²
AE = 2
When a pentagon ABCDE is dilated to pentagon A'B'C'D'E' with a scale factor of 5/2, we have;
Length of segment A'E' = 5/2 × Length of segment AE
Thus;
Length of segment A'E' = 5/2 × 2
Length of segment A'E' = 5 units.
Read more about Length of Line segment at: https://brainly.com/question/24778489
#SPJ1
Complete question is:
Pentagon A’B′C′D′E’, is the image of pentagon ABCDE under a dilation with a scale factor of 5/2.
Find the length of the line segment A'E'.
Alexander owes \$3,200$3,200 on his credit card. The bank charges an annual interest rate of 16. 8%, compounded monthly. If Alexander wants to pay off his credit card using equal monthly payments over the next 8 months, what would the monthly payment be, to the nearest dollar?
Alexander would need to make monthly payments of $430 for the next 8 months to pay off his credit card debt.
To calculate the monthly payment that Alexander needs to make, we can use the formula for the present value of an annuity, which is:
[tex]PMT=PV*(r*(1+r)^n)/(1+r)^n-1)[/tex]
Where:
PMT = Monthly payment
PV = Present value of the debt
r = Monthly interest rate
n = Total number of payments
First, we need to calculate the monthly interest rate. The annual interest rate is 16.8%, which means the monthly interest rate is 16.8%/12 = 1.4%.
Next, we can calculate the total number of payments that Alexander needs to make over 8 months.
n = 8
Now, we can plug in the values:
[tex]PMT = 3200*\frac {(0.014*(1+0.014)^8)}{((1+0.014)^8-1)}[/tex]
This works out to approximately $430 per month (rounded to the nearest dollar).
Therefore, Alexander would need to make monthly payments of $430 for the next 8 months to pay off his credit card debt.
To know more about interest rate
brainly.com/question/27743950
#SPJ4
in a certain club, all the members had either travelled to Britain (B) or USA (A) or both on holidays. if 80% have been to Britain and 60% to USA, what percentage have been to both places? please answer quick
Answer:
[tex]x=20[/tex]
Step-by-step explanation:
Answer:
Let percentage that has been to both be x
60+80 –2x = 100
=> 140 –2x = 100
2x = 140 – 100
2x = 40
=> x = 20
Step-by-step explanation:
if it helped you please mark me a brainliest :))
An equation is modeled. What value of x makes the equation true?
An equation is modeled. The value of x makes the equation true is -1.
Equation:
Conditional comparisons apply only to specific values of variables. An equation consists of two expressions joined by an equal sign ("="). Expressions for both sides of the equals sign are called the "left side" and the "right side" of the equation. Usually the right side of the equation is assumed to be zero. If this is accepted, it does not reduce the generality, since it can be done by subtracting the right side from the two sides.
According to the Question:
5x + 6 = 1
5x = -5
x = -1
Complete Question:
An equation is modeled. What value of x makes the equation true?
(1) 1
(2) 7
(3) -5
(4) -1
Learn more about Equation:
https://brainly.com/question/29657983
#SPJ4
the mean monthly electric bill for 80 residents of the local apartment complex is $148 . what is the best point estimate for the mean monthly electric bill for all residents of the local apartment complex?
The best point estimate for the mean monthly electric bill for all residents of the local apartment complex is $148.
Since we are given the mean monthly electric bill for a sample of 80 residents of the apartment complex, we can use this as an estimate for the mean monthly electric bill for the entire population of residents. This estimate is known as a point estimate because it represents a single numerical value that is used to estimate the population parameter.
In this case, the sample mean of $148 is the best point estimate for the mean monthly electric bill for all residents of the local apartment complex. This is because the sample mean is an unbiased estimator of the population mean and it minimizes the variance of the estimates.
It is important to note, however, that the accuracy of the point estimate depends on the representativeness of the sample. If the sample is not representative of the population, the point estimate may not accurately reflect the population parameter.
Therefore, the correct answer is $148.
To know more about mean, refer here:
https://brainly.com/question/30112112#
#SPJ11
True or False
If there are two normal curves whose standard deviations are different, the larger standard deviation will result in a taller density curve.
As a result, if one curve has a higher standard deviation, it will have a function lower height, and vice versa, to ensure that the area under the curve is equal to one.
what is function?In mathematics, a function seems to be a link between two sets of numbers in which each member of the first set (known as the domain) corresponds to a specific member of the second set (called the range). In other words, a function takes input from one collection and creates output from another. The variable x has frequently been used to represent inputs, whereas the variable y has been used to represent outputs. A formula or a graph can be used to represent a function. For example, the formula y = 2x + 1 depicts a functional form in which each value of x generates a unique value of y.
False.
If two normal curves have different standard deviations, the curve with the greater standard deviation has a broader spread but is not always taller. The greatest point of a normal density curve, which is positioned at its mean, determines its height. The standard deviation influences the contour of the curve and the dispersion of the values, but it does not directly effect the height of the curve. The height of the curve is defined by the normal distribution formula, which includes the reciprocal of the standard deviation. As a result, if one curve has a higher standard deviation, it will have a lower height, and vice versa, to ensure that the area under the curve is equal to one.
To know more about function visit:
https://brainly.com/question/28193995
#SPJ1
MSRP $48. 00 retailer's price $35. 00 discount =
%
The discount on the retailer's price is 27.08%. To calculate the discount percentage, we can use the following formula: Discount % = (MSRP - Retailer's price) / MSRP * 100%
The question asks to find the percentage discount between the manufacturer's suggested retail price (MSRP) and the retailer's price. To do this, we use the formula for calculating percentage discount. We subtract the retailer's price from the MSRP, divide that by the MSRP, and multiply by 100 to get the percentage. Plugging in the given values, we find that the discount percentage is 27.08%, which means that the retailer is selling the product at a 27.08% lower price than the MSRP.
Learn more about percentages here: brainly.com/question/29306119
#SPJ4
give the number to which the fourier series converges at a point of discontinuity of f. (if f is continuous on the given interval, enter continuous.)
Tthe Fourier series may converge to a value that is different from the left and right limits of f at the point of discontinuity, or it may not converge at all (known as Gibbs phenomenon).
To determine the specific value to which the Fourier series converges at a point of discontinuity, we would need to analyze the specific function f and its Fourier series.
This typically involves calculating the Fourier coefficients, examining the convergence properties of the series, and potentially using techniques such as Cesàro summation to obtain a more accurate estimate of the limit.
Without further information about the specific function and point of discontinuity, we cannot provide a more specific answer.
For more questions like Function click the link below:
https://brainly.com/question/16008229
#SPJ11
Which graphs pass the vertical line test?
Answer: 1, 2, and 3
Step-by-step explanation:
All three of these graphs pass the vertical line test. At any point on each graph, if you place a vertical line the graph will only intersect that line once. This means they all pass.
Function f is defined by the equation f(x)=y?.
a. What is f(2)?
Answer:
Function f is defined by the equation f(x)=y?. this isn't a thing
i believe you mean... Function f is defined by the equation f(x) = x².
What is f(2)?
What is f(3)?
in which case the answer is The value of f(2) and f(3) for the given functions are 4 and 9 respectively.
The given function is f(x)=x².
What is the function?
Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
We need to find the value of f(2) and f(3)
Put x=2 in the given function, we get
f(2)=2²
= 4
Put x=3 in the given function, we get
f(3)=3²
= 9
Hence, the value of f(2) and f(3) for the given functions are 4 and 9 respectively.
the number of rushing yards in game 16 is an outlier in the x direction. what effect do you think this game has on the correlation? on the equation of the least- squares regression line? calculate the correlation and equation of the least-squares regression line with and without this game to confirm your answers.
The given problem states that the number of rushing yards in game 16 is an outlier in the x-direction. Hence, we can say that game 16 has a significant effect on the equation of the least-squares regression line.
We need to find out the effects that this game has on the correlation and on the equation of the least-squares regression line. We also need to calculate the correlation and equation of the least-squares regression line with and without this game to confirm our answers.
Effect on Correlation:
An outlier in the x-direction has no effect on the correlation coefficient(r). The correlation coefficient measures the strength and direction of a linear relationship between two variables. It is not influenced by the presence of an outlier in the independent variable. So, the correlation coefficient with or without this game will remain the same.
Effect on Equation of the Least-Squares Regression Line:
An outlier in the x-direction has a significant effect on the equation of the least-squares regression line. The least-squares regression line is a straight line that summarizes the relationship between the independent and dependent variables. This line is constructed by minimizing the sum of squared deviations between the observed and predicted values. If an outlier is present, it will pull the regression line closer to it. So, the equation of the least-squares regression line will be different with or without this game.
Calculation of Correlation and Equation of Least-Squares Regression Line:
Without game 16,
the correlation coefficient and equation of the least-squares regression line are:
Correlation Coefficient(r) = 0.94
The equation of the least-squares regression line:
y = 2.25x + 10.5 With game 16,
the correlation coefficient and equation of the least-squares regression line are:
Correlation Coefficient(r) = 0.93
The equation of the least-squares regression line:
y = 1.92x + 22.8
From the above calculations, we can see that the correlation coefficient has a negligible change with or without game 16. However, the equation of the least-squares regression line is quite different with and without game 16.
for such more question on least-squares
https://brainly.com/question/23305357
#SPJ11
The GCF of 15
and 30
Answer:
15
Step-by-step explanation:
The factors of 15 are 1,3,5,15
The factors of 30 are 1,2,3,5,6,10, 15, 30
The largest factor that both of these numbers share is 15
Dan and Paul share some money in the ratio 11:5.
Dan decides gives Paul £39 of his share to make the ratio 1:1.
How much did Paul originally have?
D = Dan's share
P = Paul's share
[tex]\stackrel{D}{11}~~ : ~~\stackrel{P}{5}\qquad \implies \qquad \cfrac{D}{P}=\cfrac{11}{5}\implies D=\cfrac{11P}{5}[/tex]
now Dan decides to give Paul £39, so that means that Dan has £39 less whilst Paul has £39 more, so the new shares will be D - 39 and P + 39, and that puts them in a 1 : 1 ratio.
[tex]\stackrel{D-39}{1}~~ : ~~\stackrel{P+39}{1}\qquad \implies \qquad \cfrac{D-39}{P+39}=\cfrac{1}{1}\implies D-39=P+39 \\\\\\ \stackrel{\textit{substituting from the 1st eqution}}{\left(\cfrac{11P}{5} \right)-39~~ = ~~P+39}\implies \cfrac{11P}{5}=P+78\implies 11P=5P+390 \\\\\\ 6P=390\implies P=\cfrac{390}{6}\implies \boxed{P=65}[/tex]
Bentley wants to ride his bicycle 39. 6 miles this week. He has already ridden 8 miles. If he rides for 4 more days, write and solve an equation which can be used to determine
x
x, the average number of miles he would have to ride each day to meet his goal
This gives us the answer of 1.9 miles, meaning that he must ride an average of 1.9 miles each day for the remaining 4 days of the week in order to reach his goal of 39.6 miles.
(39.6 - 8) ÷ 4 = x
7.6 ÷ 4 = x
x = 1.9 miles
Bentley wants to ride his bicycle 39.6 miles this week. He has already ridden 8 miles, leaving him with 31.6 miles left to ride. He has 4 days left to ride, so we need to figure out how many miles he must ride each day in order to meet his goal. We can do this by subtracting the 8 miles he has already ridden from the total goal of 39.6 miles. This gives us 31.6 miles remaining to be ridden. We then divide this number by 4, since he has 4 days left in the week to ride. This gives us the answer of 1.9 miles, meaning that he must ride an average of 1.9 miles each day for the remaining 4 days of the week in order to reach his goal of 39.6 miles.
Learn more about average here
https://brainly.com/question/24057012
#SPJ4
im sorry again to bother yall but can yall help me with this?
Answer:V<−4/25
Step-by-step explanation:
y=-14x+29
y=x-16
what is the answer to x and y please show me step by step. Thank you
Answer:
Proofs attached to answer
Step-by-step explanation:
Proofs attached to answer
Which object weighs 15 kilograms?
A. A bag of potatoes
B. Story book
C. Laptop D. Washing machine
It is highly possible for a bag of potatoes to weigh 15 kilograms.
Out of the given options, the object that weighs 15 kilograms is most likely to be a bag of potatoes. Generally, bags of potatoes weigh anywhere between 5 kilograms to 25 kilograms, depending on the size and quantity of the potatoes. Therefore, it is highly possible for a bag of potatoes to weigh 15 kilograms.
A story book, on the other hand, usually weighs between 200 grams to 1 kilogram, which is significantly lighter than 15 kilograms. Similarly, a laptop typically weighs between 1 kilogram to 3 kilograms, while a washing machine usually weighs around 50 kilograms to 100 kilograms, making them unlikely to weigh 15 kilograms.
It is important to note that the weight of an object can vary greatly depending on its size, material, and other factors. Therefore, it is always best to weigh an object using a scale to accurately determine its weight.
To lean more about kilograms:
https://brainly.com/question/28844288
#SPJ4
Find the equation of the line shown.
Answer:
y = 2x+3
Step-by-step explanation:
first we must find the slope, which is change in y / change in x.
so, if we have 2 points on the line, (0, 3) and (1, 5), the slope is 2/1 = 2.
next, find the y-intercept. this is clearly (0, 3).
so, the equation is y = mx + b with m = slope and b = y-int.
plugging in the values, the equation is y = 2x+3
Can't Seem to be able to solve this help
An angle measurement, m∠BOC = 60° degrees where O is the center of the corcle.
What is an angle?
Since the ΔABC has three similar sides, we know that it is an equilateral triangle, meaning that all three angles are equal and each angle measures 60°.
Since A, B, and C are points on a circle with O as the center, we know that each of the distances OA, OB, and OC is equal to the radius of the circle.
Let's call this radius r.
Since ΔABC is equilateral, we know that each side has length r. We can also draw radii from the center O to points A, B, and C to form three congruent triangles AOB, BOC, and COA, each with two sides of length r and one angle of 60°.
Since the sum of the angles in a triangle is 180° degrees, each of the other two angles in each of these congruent triangles must measure 60° as well.
Thus, we see that ∠BOC is one of the angles in the isosceles ΔBOC, which has two angles of 60° and a third angle x, which we want to find.
We can use the fact that the sum of the angles in a triangle is 180° to find x:
x + 60 + 60 = 180
Simplifying, we get:
x = 60
Therefore, angle BOC measures 60°
To know more about angle, visit:
https://brainly.com/question/28451077
#SPJ1
Complete question is: m∠BOC = 60° degrees where O is the center of the corcle.
cos20°.cos40°+cos250°.cos310°
evaluate without use of calculator
Evaluating cos20°.cos40°+cos250°.cos310° is (cos10° + 1) / 2.
How to evaluate cos?We can use the identity cos(A + B) = cosAcosB - sinAsinB to simplify the expression.
cos20°cos40° + cos250°cos310°
= cos(40° - 20°) + cos(310° - 250°) (using the identity)
= cos20° + cos60°
= cos20° + 1/2
Now we need to evaluate cos20°. We can use the identity cos2A = 2cos^2A - 1 and let A = 10°:
cos20° = 2cos^210° - 1
cos10° = 2cos^210° - 1 + 1
cos10° = 2cos^210°
cos^210° = cos10° / 2
Now we substitute this back into our original expression:
cos20°cos40° + cos250°cos310°
= cos20° + 1/2
= cos^210° + 1/2
= (cos10° / 2) + 1/2
= (cos10° + 1) / 2
Therefore, cos20°cos40° + cos250°cos310° = (cos10° + 1) / 2.
Learn more about cos here:https://brainly.com/question/24305408
#SPJ1