pls tell me the answer to this
Answer:
A. 6, 7 , 8, 9 and 15
B. 1, 3, 5, 7 and 19
Step-by-step explanation:
please see the attached I put.
Solve a triangle with b =7, c =10, and A= 51. round to the nearest tenth
The sides of the triangle are a ≈ 8.3, b = 7, and c = 10, and the angles are A = 51°, B ≈ 51.5°, and C ≈ 77.5°.
What is a triangle?A triangle is a closed, double-symmetrical shape composed of three line segments known as sides that intersect at three places known as vertices. Triangles are distinguished by their sides and angles.
To solve the triangle, we need to find the values of the remaining sides and angles. We can start by using the Law of Sines, which states that:
a / sin A = b / sin B = c / sin C
where a, b, and c are the sides of the triangle, and A, B, and C are the angles opposite to those sides.
Using the given values, we can write:
a / sin 51 = 7 / sin B
a / sin 51 = 10 / sin C
To solve for a, we can use either of the two equations above. Let's use the first one and solve for sin B:
sin B = (7 / sin 51) * sin B
sin B = 7 / (sin 51 / sin B)
sin B = 7 / sin(180 - 51 - B)
sin B = 7 / sin(129 - B)
Using the sine rule, we can determine the angle B:
sin B / 7 = sin(129 - B) / 10
sin B = (7/10) * sin(129 - B)
sin B = (7/10) * (sin 129 * cos B - cos 129 * sin B)
sin B = (7/10) * sin 129 * cos B - (7/10) * cos 129 * sin B
(7/10 + (7/10) * cos 129) * sin B = (7/10) * sin 129 * cos B
sin B = (7/10) * sin 129 * cos B / (7/10 + (7/10) * cos 129)
sin B = sin 51.5
B = sin(sin B)
B = sin(sin 51.5)
B ≈ 51.5°
We can now find the remaining angle, C:
C = 180 - A - B
C = 180 - 51 - 51.5
C ≈ 77.5°
Finally, we can use the Law of Sines again to find the remaining side, a:
a / sin A = c / sin C
a / sin 51 = 10 / sin 77.5
a = (10 * sin 51) / sin 77.5
a ≈ 8.3
Therefore, the sides of the triangle are a ≈ 8.3, b = 7, and c = 10, and the angles are A = 51°, B ≈ 51.5°, and C ≈ 77.5°.
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307200/100 in decimal form
Answer:
Step-by-step explanation:
divide both by 100 to get
3072/1
answer: 3072
select all values for b that make the equation 8(x - 3) = 2x + b + 6x have no solutions for x. -24 -3 3 24
-------------------------------------------------------------------------------------------------------------
Answer: [tex]\textsf{B (-3), C (3), and D (24)}[/tex]
-------------------------------------------------------------------------------------------------------------
Given: [tex]\textsf{8(x - 3) = 2x + b + 6x}[/tex]
Find: [tex]\textsf{Which values for b are not a solution}[/tex]
Solution: In order to make it easier for us to determine the answer, let us first simplify the expression that was given to us. We can do that by first combining like terms on the right side of the equation and distributing the 8 on the left side of the equation.
[tex]\textsf{8(x - 3) = 2x + b + 6x}[/tex][tex]\textsf{(8 * x) + (8 * -3) = 8x + b}[/tex][tex]\textsf{8x - 24 = 8x + b}[/tex]We can now subtract 8x from both sides of the equation.
[tex]\textsf{8x - 8x - 24 = 8x - 8x + b}[/tex][tex]\textsf{-24 = b}[/tex]Now that we know that b is equal to -24, that means that any value other than -24 would cause the equation to have no solutions. Therefore, the correct answer would be B (-3), C (3), and D (24).
Multiply the following to put them in standard form
-4 (5x-2)=
Answer:
-2x × 10^1 + 8 × 10^0
or
-2x × 10 + 8 × 1
Step-by-step explanation:
Multiply the following to put them in standard form
-4 (5x-2)=
-20x +8
standard form
-2x × 10^1 + 8 × 10^0
or
-2x × 10 + 8 × 1 (remember PEMDAS)
Twenty four blood samples were selected by taking every seventh blood sample from racks holding 199 blood samples from the morning draw at a medical center ANSWER BOTH A AND B
a. FPCF for this sample is FPCF = √(199/24) = 2.89.
b. The population cannot be considered effectively infinite, so the answer is no.
What is FPCF?When the sample size is significant compared to the size of the community, the Finite Population Correction Factor, also known as the FPC factor, is applied. The population in most cases is so vast that typical sample sizes are insufficient to raise concerns about the need for the FPC.
The recommendation is to use the FPC when the sample size to population size ratio is higher than 5%. The FPCF must be used, for instance, if the population number is 300 and the sample size is 30, which results in a ratio of 10%.
a. To calculate the FPCF (finite population correction factor) for this sample, we can use the formula:
FPCF = √(N/n)
where N is the population size, and n is the sample size.
In this case, N = 199 (the number of blood samples in the racks), and n = 24 (the number of samples selected every seventh blood sample).
FPCF = √(199/24) = 2.89 (rounded to two decimal places)
b. To determine whether the population should be considered effectively infinite, we need to compare the sample size to the population size. A general rule of thumb is that the population can be considered effectively infinite if the sample size is less than 5-10% of the population size.
In this case, the sample size is 24, which is approximately 12% of the population size of 199. Therefore, the population cannot be considered effectively infinite, and the FPCF should be applied to adjust for the finite population size.
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On the first
day there were 4 laborers getting time and a half and 20 who were not for a total of $2080. On the
second day there were 2 laborers getting time and a half and 15 who were not for a total of $1440.
How much were the time and a half workers getting per day compared to the laborers who did not get
time and a half.
Answer:
"time and a half" workers were paid 50% more per day
Step-by-step explanation:
You want to know the relative daily pay rates of laborers making time and a half versus those who were not. 4 getting time and a half and 20 not earned a total of $2080, while 2 getting time and a half and 15 not earned a total of $1440.
SetupWe can let x and y represent the daily pay of time and a half workers, and those not earning time and a half. The two payrolls can be described by ...
4x +20y = 2080
2x +15y = 1440
SolutionSubtracting the first equation from 2 times the second, we have ...
2(2x +15y) -(4x +20y) = 2(1440) -(2080)
10y = 800 . . . . . . . simplify
y = 80 . . . . . . . . . . divide by 10
2x +15(80) = 1440
2x = 240 . . . . . . . . . . subtract 1200
x = 120 . . . . . . . . divide by 2
Workers getting time and a half made $120 per day; workers not getting time and a half made $80 per day. Workers getting time and a half made half again as much as those who didn't: $40 per day more, or 50% more, or half-again as much.
__
Additional comment
"Time and a half" means the pay is 50% more. That's what we see here. You don't need any math to say those getting time and a half were getting 50% more per day.
Moussa and Anand own competing taxicab companies. Both cab companies charge a
one-time pickup fee for every ride, as well as a charge for each mile traveled. Moussa
charges a $3 pickup fee and $2.20 per mile. The table below represents what Anand's
company charges.
Anand's Taxicab Company
Miles (2) Total Cost (y)
10
$25
20
$48
30
$71
40
$94
Use the dropdown menu and answer-blank below to form a
true statement.
Anand's company charges
per mile than Moussa's
options are more/less
Anand's business charges $25 for a 10-mile ride, which is less than Moussa's overall expenses.
How to calculate Anand's expense per mile?In comparison to Moussa, Anand's business costs less per mile.
Let's examine why by contrasting the costs charged by the two businesses for a 10-mile trip:
With a $3 pick-up fee and $2.20 per mile,
Moussa's business costs a total of $3 + $2.20*10 = $25.
Less than Moussa's overall expense,
Anand's business charges $25 for a 10-mile ride.
For all other distances mentioned in the table, we can verify that Anand's business charges less per mile than Moussa's. Thus, it is accurate that
"Anand's company charges less per mile than Moussa's."
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(5.01x10^21)* 3 give answer in one significant figure without rounding
Expressing the resuIt in οne significant figure, we get: 1x10^22
What are Significant figures?The number οf digits in a particuIar vaIue οr measurement required tο determine the accuracy and precisiοn οf measurement are knοwn as significant figures (οr significant digits).
The resuIt οf[tex](5.01\times10^{21})* 3[/tex] is [tex]1.50\times10^{22}.[/tex]
Tο express the answer in οne significant figure withοut rοunding, we need tο determine the first significant figure in the resuIt.
In scientific nοtatiοn, the first significant figure is the first nοn-zerο digit. In this case, the first nοn-zerο digit is 1.
Therefοre, expressing the resuIt in οne significant figure, we get:
[tex]1\times10^{22[/tex]
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can you always divide by e^x? and what example can you give to prove this statement
Answer: No, you cannot always divide by e^x. When e^x equals zero, dividing by it would result in an undefined value or division by zero error.
For example, consider the function f(x) = e^x. We know that e^x is never equal to zero for any value of x. Therefore, we can always divide by e^x for any value of x, and the resulting quotient will be well-defined.
However, if we consider the function g(x) = 1 / e^x, we cannot always divide by e^x. When e^x equals zero, g(x) will be undefined. In fact, there is no value of x for which e^x is equal to zero, so the function g(x) is well-defined for all values of x.
In summary, dividing by e^x is allowed for most cases, except when e^x equals zero.
Step-by-step explanation:
A particle moves along the x-axis with velocity given by v(t) = 6t² + 8t - 5
for time t≥ 0. If the particle is at position x = -2 at time t = 2, what is
the position of the particle at time t = 1?
The position of the particle at time t = 1 would be -1.
Position of a particle at a time, tTo find the position of the particle at time t = 1, we need to integrate the velocity function v(t) from t = 0 to t = 1, and add it to the initial position x = -2:
x(1) = -2 + ∫[0,1] v(t) dt
Integrating v(t), we get:
x(1) = -2 + ∫[0,1] (6t² + 8t - 5) dt
x(1) = -2 + [2t³ + 4t² - 5t] from 0 to 1
x(1) = -2 + [2(1)³ + 4(1)² - 5(1)] - [2(0)³ + 4(0)² - 5(0)]
x(1) = -2 + [2 + 4 - 5]
x(1) = -2 + 1
x(1) = -1
Therefore, the position of the particle at time t = 1 is -1.
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Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, among 6,209 patients treated with this drug, 160 developed the adverse reaction of nausea. Use 0.01 a significance level to test the claim that 3% of users develop nausea. Does nausea appear to be a problematic adverse reaction?
For given dataset, the p-value is greater than the significance level of 0.01, we fail to reject the null hypothesis.
What exactly is a data set?
A dataset is a collection of data points or observations that are related to each other in some way. Each data point in a dataset represents a single instance or measurement of some variable or phenomenon that is being studied.
A dataset can take many different forms depending on the type of data being collected and the purpose of the study.
Now,
To test the claim that 3% of users develop nausea, we will use a hypothesis test with a significance level of 0.01.
Let p = true proportion of users who develop nausea.
Null Hypothesis: H0: p = 0.03
Alternative Hypothesis: H1: p > 0.03 (one-tailed test)
We will use the normal approximation to the binomial distribution since np and n(1-p) are both greater than 10, where n is the sample size and p is the hypothesized proportion.
The test statistic is calculated as follows:
z = (P - p)/√(p(1-p)/n)
Here P = sample proportion and n = sample size.
The sample proportion is:
P = 160 / 6209 = 0.0258
Substituting the values, we get:
z = (0.0258 - 0.03) / √(0.03 x 0.97 / 6209) = -1.72
Using a z-table or calculator, we find that the p-value for this test is approximately 0.043. Since the p-value is greater than the significance level of 0.01, we fail to reject the null hypothesis.
Therefore, we do not have sufficient evidence to support the claim that more than 3% of users develop nausea. However, we should still be cautious about this adverse reaction and continue monitoring it.
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calculate the area of the shaded region. the apothem is 2 ft, and the shaded area is 110 degrees. the figure is a circle.
The area of the shaded region is 1.916 ft²
What is Area?Area is a measure of the amount of space inside a two-dimensional shape, such as a square, rectangle, triangle, circle, or any other shape that has a length and a width. It is usually measured in square units, such as square inches, square feet, or square meters.
To calculate the area of the shaded region, we need to find the area of the entire circle and subtract the area of the unshaded portion.
The central angle corresponding to the shaded region is 110 degrees. The entire circle has a central angle of 360 degrees.
The unshaded portion of the circle is the sector that corresponds to the central angle of 360 - 110 = 250 degrees. The area of a sector of a circle with radius r and central angle θ is given by the formula:
A = (θ/360)πr²
Substituting θ = 110 degrees and r = 2 ft, we get:
A = (110/360)π(2)
A = (0.305)π(2)
A = (0.305)π(2)
A = 0.61π
A = 1.916 ft²
Therefore, the area of the shaded region is 1.916 ft².
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Complete question:
Calculate the area of the shaded region. the apothem is 2 ft, and the shaded area is 110 degrees. the figure is a circle
Test the equation for symmetry: r = 3 - 3 cos 0. Need answer fast. There are 3 tests of symmetry I need to know what they are.
Therefore, the line Ф = [tex]\frac{\pi }{2}[/tex], but not with respect to the pole, is the answer to the given equation's problem.
Define equationsComplex algorithms frequently employ variable words to demonstrate coherence between two opposing assertions. Equations are academic expressions that are used to demonstrate the equality of different academic figures.
In this case, levelling generates [tex]b+7[/tex] rather than another method that could divide [tex]12[/tex] into two parts, analyse the information provided by [tex]y+7[/tex]and generate [tex]y+7[/tex]
A curve is said to be symmetric with respect to the pole if it does not alter when the pole is reflected across the origin. To test for this symmetry, we replace [tex]r[/tex] with [tex]-r[/tex] and see if the answer is still correct.
∴[tex]r = -3+3cos[/tex]Ф[tex]- r = 3-3(cos[/tex]Ф[tex])[/tex]Ф
Regarding the lineФ[tex]= \frac{\pi }{2}[/tex] there is symmetry. We replace Ф with [tex]\pi[/tex]/Ф and verify to see if the solution holds to see if this symmetry holds.
[tex]r= 3-3cos(\pi -[/tex]Ф[tex])[/tex]
[tex]r= 3-3cos[/tex]Ф
Due to the constant expression, the curve is symmetric with respect to the line Ф = [tex]\pi[/tex]/[tex]2[/tex].
Therefore symmetric with respect to the polar axis and the line Ф = [tex]\pi[/tex]/[tex]2[/tex], but not with respect to the pole.
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Solve the systems by graphing.
y =x+3
y = -2x - 6
Answer: (-3, 0)
Step-by-step explanation:
First, we will graph these equations. See attached. One has a y-intercept of 3 and then moves right one unit for every up down (we get this from the slope of 1). The other has a y-intercept of 4, and then moves down two units for every unit right (we get this from the slope of 1).
The point of intersection is the solution, this is the point at which both graphed lines cross each other. Our solution is:
(-3, 0) x = -3, y = 0
Answer:
(-3, 0)
Step-by-step explanation:
When we graph the equations:
y = x + 3,
y = -2 - 6,
we can see that they intersect at (-3, 0).
Therefore, that is the solution to the system.
— Extra note —
When graphing a line from a slope-intercept form equation (y = mx + b), we know the following:
m is the line's slope (rise over run)
b is the y-coordinate of the line's y-intercept
Two same-sized triangular prisms are attached to a rectangular prism as shown below.
If a = 20 cm, b = 13 cm, c = 12 cm, d = 5 cm, and e = 8 cm, what is the surface area of the figure?
Answer:1,208 square centimeters
Step-by-step explanation:
Please don't include attachments I'm unable to view them
The solution of the equation which is a vertex, from plot of the equation is
(-1.6, 0.7)What is a vertex?In mathematics, a vertex (plural: vertices) is a point where two or more lines, curves, or edges meet. The term is commonly used in geometry, graph theory, and other areas of mathematics.
In geometry, a vertex is a point where two or more edges of a polygon or a polyhedron meet. For example, a triangle has three vertices, while a cube has eight vertices.
The graph is attached and other vertices shown
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The dollar value v(t) of a certain car model that is t years old is given by the following exponential function.
v (t) = 25,900(0.95)'
Find the initial value of the car and the value after 13 years.
Round your answers to the nearest dollar as necessary.
So, the value of the car after 13 years is approximately $13,330.
What is initial value?In mathematics, an initial value refers to the value of a function or a variable at a specific starting point or initial condition. For example, when solving a differential equation, the initial value is the value of the function at the starting point or initial time.
In the context of calculus, the initial value of a function f(x) at a point x=a is denoted by f(a). In the context of differential equations, the initial value of a function y(x) at a point x=a is denoted by y(a) or y(a) = y0.
he given exponential function can be written as:
[tex]v(t) = 25,900(0.95)^t[/tex]
where t is the age of the car in years.
To find the initial value of the car, we need to evaluate v(0):
[tex]v(0) = 25,900(0.95)^0[/tex]
[tex]v(0) = 25,900(1)[/tex]
[tex]v(0) = 25,900[/tex]
So, the initial value of the car is $25,900.
To find the value of the car after 13 years, we need to evaluate v(13):
[tex]v(13) = 25,900(0.95)^{13}[/tex]
v (13) ≈ 13,330
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A group of randomly selected middle schoolers at SCVCS were asked how many pets they have. The data gathered is listed below.
{2, 0, 1, 3, 2, 5, 1, 2, 2, 4, 1, 3, 2, 7, 0, 2, 4, 2, 1}
What is the mode number of pets?
Mode =
Answer:
2
Step-by-step explanation:
2 appears the most as we can see theres only
two 0
and few of the other numbers
mode is the most common number in the list of any given numbers like the one abpve
Denice is cutting construction paper into rectangles for a project. She needs to cut one rectangle that is 12 inches × 15 1/4 inches. She needs to cut another rectangle that is 10 1/3 inches by 10 1/4 inches. How many total square inches of construction paper does Denice need for her project?
The total area of construction paper needed for the project is:
180.25 + 127.5833... = 307.8333... square inches (rounded to four decimal places)
What is Area?Area is the measure of the amount of surface inside a closed boundary, usually measured in square units. It is used to express the size or extent of a two-dimensional region or shape, such as a square, rectangle, circle, or triangle.
To find the total area of the construction paper needed for the project, we need to find the area of each rectangle and then add them together.
For the first rectangle with dimensions of 12 inches by 15 1/4 inches, the area is:
12 × 15 1/4 = 180 + 45/4 = 180.25 square inches
For the second rectangle with dimensions of 10 1/3 inches by 10 1/4 inches, the area is:
10 1/3 × 10 1/4 = (31/3) × (41/4) = 127.5833... square inches (rounded to four decimal places)
Therefore, the total area of construction paper needed for the project is:
180.25 + 127.5833... = 307.8333... square inches (rounded to four decimal places)
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x subtract 2 x subtract 2 multiply 3 in expression
Assuming you meant "x - 2(x - 2) * 3" as the expression, here is how you can simplify it:
x - 2(x - 2) * 3= x - 2(3x - 6) // Distribute the 2
= x - 6x + 12 // Distribute the -2
= -5x + 12 // Simplify
Therefore, the simplified expression is -5x + 12.
ANOTHER SCENARIOTo simplify the expression "x subtract 2 x subtract 2 multiply 3," we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).
First, we need to simplify the multiplication by 3 inside the parentheses:
x - 2x - 2(3)Next, we can simplify the subtraction of 2x:
-x - 2(3)
Finally, we can simplify the multiplication of 2 and 3:
-x - 6
Therefore, the simplified expression is "-x - 6".
The wholesale price for a chair is $181. A certain furniture store marks of the wholesale price by 22%. Find the price of the chair in the furniture store. Round your answer to the nearest cent as necessary.
To find the price of the chair in the furniture store, we need to calculate the retail price, which is the wholesale price plus the markup. The markup is calculated by multiplying the wholesale price by the markup rate as a decimal:
markup = 0.22 x $181 = $39.82
So the retail price is:
$181 + $39.82 = $220.82
Rounding to the nearest cent, we get the final answer:
The price of the chair in the furniture store is $220.82.
Urgenteee si la ordenada al origen es negativa significa que la gráfica?
Graph with Numbers
The coordinate plane is a two-dimensional plane that is divided into four quadrants. The upper-right quadrant is known as quadrant one, and the following quadrants go in counter-clockwise order: quadrant two, quadrant three, quadrant four (see image below). Quadrants are typically labeled using Roman numerals (I, II, III, and IV). The coordinate plane is comprised of two axes that are perpendicular lines, meaning when they are joined together, they create four right angles. The x-axis is the horizontal axis, and the y-axis is the vertical axis. The point where the two axes are joined together is called the origin. The coordinates of the origin are (0, 0). This means that the x-coordinate is 0 and the y-coordinate is 0. Ordered pairs are always written in the format (x, y).
The coordinate planeThe coordinate plane has four quadrants, a horizontal x-axis and vertical y-axis, and the origin is the point in the center.
The left side of the x-axis contains negative numbers. Traveling to the left on the coordinate plane indicates the x-value is getting smaller. The right side of the x-axis contains positive numbers. Traveling to the right on the coordinate plane indicates the x-value is getting larger. The upper half of the y-axis contains positive numbers. Traveling upward on the coordinate plane indicates the y-value is getting larger. The lower half of the y-axis contains negative numbers. Traveling downward on the coordinate plane indicates the y-value is getting smaller.
In the following image, point A is graphed on the coordinate plane. The coordinates for point A are (3, 2). This means that the x-value is 3 and the y-value is 2. To graph point A on the coordinate plane, start at the origin and go three spaces to the right (because the x-value, 3, is positive) and two spaces upward (because the y-value, 2, is positive). Since the x-value and y-value are both positive, point A will be in quadrant I.
Graphing the point (3, 2)
In order to graph the point (3, 2), move left three spaces and up two spaces on the coordinate plane.
Which of the following is the value of a when the function f(x) = 3|x| written in the standard form of an absolute value function?
–1
–3
1
3
Answer: -1 Is the answer.
Please help. Find x.
Step-by-step explanation:
because the circle arcs are equal, it also means that the lengths of the chords (WV and XY) are equal.
9x - 34 = 4x + 1
5x - 34 = 1
5x = 35
x = 35/5 = 7
A large toy top is a cone with a slant height of
10
cm
and radius of
6
cm
. The handle of the toy top is a cylinder with a diameter of
2
cm
and height
2
cm
. Determine the approximate volume of the top. Use
π
≈
3.14
.
For the given cone, the approximate volume of the toy top is 106.81 cubic centimeters. The three dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex.
What is volume?Volume is a three-dimensional quantity that measures the amount of space occupied by an object or a region in space.
The volume of the toy top can be calculated by finding the volumes of the cone and cylinder and then adding them together.
The volume of the cone is given by the formula V = (1/3)π[tex]r^{2}[/tex]h, where r is the radius and h is the height of the cone. In this case, the slant height is given, so we need to use the Pythagorean theorem to find the height:
h = [tex]\sqrt{(l^2 - r^2)[/tex] = [tex]\sqrt{(10^2 - 6^2)[/tex] = √(64) = 8 cm
Therefore, the volume of the cone is:
V_cone = (1/3)π[tex]r^2[/tex]h = (1/3)π([tex]6^2[/tex])(8) ≈ 100.53 [tex]cm^3[/tex]
The volume of the cylinder is given by the formula V = π[tex]r^2[/tex]h, where r is the radius and h is the height of the cylinder. In this case, the diameter is given, so we need to divide by 2 to get the radius:
V_cone = (1/3)πh = (1/3)πr = d/2 = 1 cm = 2 cm
Therefore, the volume of the cylinder is:
V_cylinder = π[tex]r^{2}[/tex]h = π([tex]1^{2}[/tex])(2) ≈ 6.28
The total volume of the toy top is:
V = V_cone + V_cylinder ≈ 100.53 + 6.28 ≈ 106.81 T
Therefore, the approximate volume of the toy top is 106.81 cubic centimeters.
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Look at the data graphed on the scatter plot below.
Which graph shows the line of best fit for the data?
The 2nd graph shows the line of best fit for the data (10, 2) and (6, 4) and (3, 6)
What is Scatter plot?A scatter plot is a type of graph that is used to display the relationship between two sets of data. The data is represented by a collection of points on a two-dimensional plane, with one variable represented on the x-axis and the other variable represented on the y-axis. Each point on the graph represents an individual observation, and the position of the point on the x and y axes represents the values of the two variables for that observation.
Plot the data points on a scatter plot.
Visually identify the overall trend or pattern of the data. Does it appear to be a positive or negative correlation, or is there no correlation at all?
Draw a straight line that appears to fit the trend of the data as closely as possible. This line is your estimate of the line of best fit.
Calculate the equation of the line of best fit using statistical methods such as linear regression. This will give you the most accurate representation of the line of best fit.
Therefore, Plot the line of best fit on the scatter plot to see how well it fits the data.
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Complete question:
Look at the data graphed on the scatter plot below.
(10, 2) and (6, 4) and (3, 6)
Which graph shows the line of best fit for the data?
A table titled dice rolls has 7 rows and 2 columns. In the top row, result is in the first column and number of rolls is in the second column. In the second row, 1 is in the first column and 15 is in the second column. In the third row, 2 is in the first column and 18 is in the second column. In the fourth row, 3 is in the first column and 14 is in the second column. In the fifth row, 4 is in the first column and 16 is in the second column. In the sixth row, 5 is in the first column and 19 is in the second column. In the seventh row, 6 is in the first column and 18 is in the second column.
To find the average result of rolling a six-sided dice, Josh rolls a dice 100 times.
The table shows how many times Josh rolled each number. What is the mean,
or average, of the dice rolls?
Answer:16.7
Step-by-step explanation: So the first step is to add all of the numbers in the second column. (15,18,14,16,19,18). At the end of your problem it says 100. So you have 6 different numbers, and 100. You will do 100 divided by 6. Finally you will get 16.66 and you will just round it.
PLEASE HELP ASAP!!! THANKS
Answer: 28/52
Step-by-step explanation: its easy
Answer:
28/52. You will get it right.
Consider a triangle ABC like the one below. Suppose that A = 27°, b=42, and c= 72. (The figure is not drawn to scale.) Solve the triangle.
Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.
If there is more than one solution, use the button labeled "or".
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B = ₁₁ c = 0₁₁a = 0
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The solution to the triangle is: a ≈ 22.4, b = 4 , c ≈ 77.2 ,A = 27° ,B ≈ 42.5°
C ≈ 110.5° we got the answer by using law of sine
what is law of sine?
The Law of Sines, also known as the Sine Rule, is a mathematical formula used in trigonometry to relate the sides and angles of a non-right-angled triangle. It states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all three sides of the triangle.
In the given question,
Using the law of sines and the fact that the angles of a triangle sum up to 180 degrees, we can solve for the missing parts of the triangle:
sin(A)/a = sin(B)/b = sin(C)/c
sin(27)/a = sin(B)/42 = sin(C)/72
We can use the first equation to solve for a:
a = b(sin(A)/sin(B)) = 42(sin(27)/sin(B)) ≈ 22.4161
Next, we can use the second equation to solve for sin(B):
sin(B) = b(sin(A)/a) = 42(sin(27)/a) ≈ 0.6822
Taking the inverse sine, we find that B ≈ 42.4827 degrees.
Now we can use the fact that the angles of a triangle sum up to 180 degrees to solve for C:
C = 180 - A - B ≈ 110.5173 degrees.
Finally, we can use the law of sines again to solve for the remaining side, c:
c = a(sin(C)/sin(A)) = 22.4161(sin(110.5173)/sin(27)) ≈ 77.2352
Therefore, the solution to the triangle is:
a ≈ 22.4
b = 42
c ≈ 77.2
A = 27°
B ≈ 42.5°
C ≈ 110.5°
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