Answer:
M' is {-5, -4, -3, -2, -1, 0, 1, 3, 5, 6}
Step-by-step explanation:
Ussions
les
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The diagram was created using straightedge and compass
tools. Point A is the center of one circle and point B is the
center of the other.
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What can be said about all points on line CD? Explain your
reasoning
Answer:
All points on line CD are equidistant from A and B
Step-by-step explanation:
Given that point A is the center of circle A and point B is the center of circle B, and the circumference of circle A passes through the center of circle B which is point B and vice versa.
Therefore we have;
The radius of circle A = The radius of circle B
Which gives;
The distance of the point C to the center A is equal to the distance of the point C to the center B
Similarly, the distance of the point D to the center A is equal to the distance of the point D to the center B
So also the distances of all points on the line from the center A is equal to the distances of all points on the line from the center B.
A 180 pound weight is supported by two ropes each at 30 degrees, as shown in the figure. Find the tension in each rope.
Answer:
= 41.32N
To find N amount
You find the kg weight then times it by 10 then divide that amount by 1/2
So that 180pounds = 81.6466 x 10kg
x10 = 816.466
81.6466 / 2 = 40.8233
sin(30) = 40.8233/T
T = 40.8233/sin (30) = N / sin(30) = Tension = calculator = -41.3178070464 = 41.32 N
What is an equation of the line that passes through the point (−5,−1) and is parallel to the line 4x+5y=45?
Answer:
y = -4/5x - 5
Step-by-step explanation:
4x + 5y = 45
we need to write it in slope intercept form, so:
5y = -4x + 45
y = -4/5x + 45/5
y = -4/5x + 9
The line is parallel so the slope will be -4/5x, point ( -5 -1 )
y = mx + b
-1 = -4/5(-5)+b
-1 = 4 + b
-1 - 4 = b
-5 = b
y = -4/5x - 5
need help asap and you don't have to explain it
1. 1 1/4
2. 6/7- 4/6
3. 7/3-2/9
Answer:
2 is 4/21
3 is 2 1/9
Step-by-step explanation:
Sry if I got it wrong
PLEASE HELP ME!!!!!
Select the correct answer.
The daytime temperature in Apple Valley is falling by 2.5 degrees each day. What will the net change in the daily temperature be after one calendar week?
A.
-2.5 degrees
B.
2.5 degrees
C.
-4.5 degrees
D.
-17.5 degrees
E.
17.5 degrees
Answer:
D. -17.5 Hope this helps. Pls give me brainliest :)
A farmstand sells avocados. The population of avocados is normally distributed with a mean of 6 oz and standard deviation of 1 oz.
the mean of the sampling distribution for the avocados will also be 6 oz.
The mean of the sampling distribution for this population can be determined by the same mean as the population mean. In this case, the mean of the population of avocados is given as 6 oz. The sampling distribution refers to the distribution of sample means taken from the population.
According to the central limit theorem, when sampling from a population, regardless of its underlying distribution, the sampling distribution of the sample means will be approximately normally distributed, centered around the population mean. Thus, the mean of the sampling distribution will be equal to the population mean.
Therefore, in this scenario, the mean of the sampling distribution for the avocados will also be 6 oz. This implies that, on average, the mean weight of the samples drawn from the population will be 6 oz, reflecting the central tendency of the population.
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Complete question is below
A farmstand sells avocados. The population of avocados is normally distributed with a mean of 6 oz and standard deviation of 1 oz. What is the mean of the sampling distribution for this population?
It takes 2 people 20 minutes to install 8 tires on 2 vehicles. How may tires can 4 people load in one hour?
Answer: 72
Step-by-step explanation:
First, multiply the amount of tires and vehicles by 3, because that would make it 2 people and 1 Hour. then, multiply the amount of people by 2. Since we have twice the people, we have twice the tires and vehicles.
A company's vice president's salary n years after becoming vice president is defined by the formula S(n) = 70000(1.2)". Which of the following statements is true? She will be receiving a 2% raise per year. Her salary will increase $14,000 every year. The rcent increase of her salary is 120% every year. Her salary is always 0.2 times the previous year's salary. The percent increase of her salary is 20% every year.
The correct statement is the percent increase of her salary is 20% every year. Hence, the answer is option E. Given that a company's vice president's salary n years after becoming vice president is defined by the formula S(n) = 70000(1.2)". We have to determine which of the following statements is true:
Given that a company's vice president's salary n years after becoming vice president is defined by the formula S(n) = 70000(1.2)". We have to determine which of the following statements is true:
She will be receiving a 2% raise per year. Her salary will increase $14,000 every year. The percent increase of her salary is 120% every year. Her salary is always 0.2 times the previous year's salary. The percent increase of her salary is 20% every year.
To calculate the salary of the vice president after n years of becoming a vice president, we use the given formula:
S(n) = 70000(1.2)
S(n) = 84000
The salary of the vice president after one year of becoming a vice president: S(1) = 70000(1.2)
S(1) = 84000
The percent increase of her salary is: S(n) = 70000(1.2)n
S(n) - S(n-1) / S(n-1) × 100%
S(n) - S(n-1) / S(n-1) × 100% = (70000(1.2)n) - (70000(1.2)n-1) / (70000(1.2)n-1) × 100%
S(n) - S(n-1) / S(n-1) × 100% = 20%
Therefore, the correct statement is the percent increase of her salary is 20% every year. Hence, the answer is option E.
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if the length of two sides of a triangle are 7 and 10 the length of the third side may be
A. 1
B.3
C.2
D.4
explain
Answer:
D. 4
Step-by-step explanation:
Let's look at all the options first. All of the options are below 7 and 10, hence we can deduce that it is not the hypotenuse. Looking at 7 and 10, we see that 10 is the larger number, and hence we know that 10 is the hypotenuse.
Hence, as the other two sides added up in a triangle must be larger than the hypotenuse, the only available option is 4, since 4 + 7 = 11 > 10.
Hope this helped!
If ⅆyⅆt=6e−0. 08(t−5)2, by how much does y change as t changes from t=1 to t=6 ?
(A) 3. 870 (B) 8. 341 (C) 18. 017 (D) 22. 583
Based on the given informations, the change in y as t changes from 1 to 6 is approximately 3.870. Therefore the correct option is (A).
To find the change in y as t changes from 1 to 6, we need to integrate the given function with respect to t over the interval [1, 6] and then find the difference between the values of the integral at the two endpoints.
∫₁⁶ 6e\(.^{(-0.08(t-5)^2)}\) dt
We can use the substitution u = t - 5 to simplify the integral:
∫₋₄¹ 6e\(.^{(-0.08u^2)}\) du
Unfortunately, there is no closed-form solution for this integral. We can use numerical integration methods, such as Simpson's rule or the trapezoidal rule, to approximate the integral. Using Simpson's rule with a step size of 1, we get:
∫₋₄¹ 6e\(.^{(-0.08u^2)}\) du ≈ 3.870
Therefore, the change in y as t changes from 1 to 6 is approximately 3.870, which corresponds to option (A).
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let g( x)be a vertical stretch by a factor of 2 and a horizontal translation 3 to the left of f (x )= x ^ 5 + 3x .write a rule for g( x )
Let us first do the stretch factor of 2
\(2x^5+6x\)and then, we have to translate 3 units to the left
\(2(x+3)^5+6(x+3)\)So we get that
\(g(x)=2(x+3)^5+6(x+3)\)A quantity, y, varies directly as x When y=10, x=6.
Find xwhen y= 14.
The value of x when y = 14 is 8.4
How to solve variation ?y, varies directly as x. Therefore,
y ∝ x
Therefore,
y = kx
where
k =constant of proportionalityTherefore,
10 = 6k
k = 10 / 6
k = 5 / 3
Hence, when y = 14
y = kx
14 = 5 / 3 x
cross multiply
42 = 5x
x = 42 / 5
x = 8.4
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the effectiveness of a blood-pressure drug is being investigated. an experimenter finds that, on average, the reduction in systolic blood pressure is 43 for a sample of size 10 and standard deviation 11. estimate how much the drug will lower a typical patient's systolic blood pressure using a 98% confidence level. round your answers to three decimal places, and use four decimal places for any interim calculations. we are 98% confident that the interval ( , ) contains the true population mean amount the drug will lower a typical patient's systolic blood pressure. which conditions are required for the validity of the interval? select all that apply.
Using a t-distribution table or calculator, we get the t-score and are 98% positive that the interval (32.126, 53.874) includes the genuine population mean amount the medicine would drop a typical patient's systolic blood pressure to.
We must create a confidence interval for the population mean decrease in systolic blood pressure in order to calculate how much the medicine will reduce a typical patient's systolic blood pressure with a 98% confidence level.
CI = x t /2 * (s / n)
where x is the sample mean, s is the sample standard deviation, n is the sample size, t /2 is the t-score for the desired degree of confidence, and is the significance level (1 - confidence level).
With the supplied variables plugged in, we obtain:
CI = 43 t0.01/2 * (11 / 10)
The t-score at a 98% confidence level and 9 degrees of freedom (n-1) are roughly 2.821, according to a t-distribution table or calculator.
We obtain the following number by substituting it:
CI = 43 2.821 * (11 / 10) = (32.126, 53.874)
As a result, we have a 98% confidence that the interval (32.126, 53.874) contains the actual population mean amount that the medication would reduce the systolic blood pressure of an average patient.
The following requirements must be met for the interval to be valid:
1. The sample is a straightforward random sample taken from the population.
2. For the Central Limit Theorem to be applicable, either the population is normally distributed or the sample size is sufficient (n > 30).
3. A fair estimate of the population standard deviation is the sample standard deviation (which is assumed to be unknown).
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A number x is selected at random in the interval [−1, 2]. Let the events A = {x < 0}, B = {|x − 0.5| < 0.5}, and C = {x > 0.75}. (a) Find the probabilities of A, B, A ∩ B, and A ∩ C. (b) Find the probabilities of A∪B, A∪C, and A∪B ∪C, first, by directly evaluating the sets and then their probabilities, and second, by using the appropriate axioms or corollaries.
(a) Probability of A is 1/3.
To find the probability of event A, which is the event that x is less than 0, we divide the length of the interval where x is less than 0 by the length of the whole interval (which is 3).
The probability of A is 1/3.
Probability of B is 1/3.
Event B is defined as the event that |x - 0.5| is less than 0.5. To visualize this, consider the number line. |x - 0.5| represents the distance from x to 0.5. Thus, B is the interval between 0 and 1.
The probability of B is also 1/3.
Probability of A∩B is 1/3.
Since B is a subset of A (i.e., every x in B is also in A), the intersection of A and B is equal to B.
The probability of A∩B is the same as the probability of B, which is 1/3.
Probability of A∩C is 5/12.
Event C is defined as the event that x is greater than 0.75. A∩C represents the interval between 0.75 and 2.
The probability of A∩C is 1.25/3 or 5/12.
(b) Probability of A∪B is 2/3
The union A∪B represents the interval between -1 and 1.
The probability of A∪B is 2/3.
Probability of A∪C is 7/12
The union A∪C represents the whole interval except the interval from -1 to 0.75.
The probability of A∪C is 7/12.
Probability of A∪B∪C is 5/6
A∪B∪C represents the whole interval except the interval from -0.5 to 0.75.
The probability of A∪B∪C is 5/6.
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an open-top box is to be made by cutting small congruent squares from the corners of a 10- in.-by-10-in. sheet of tin and bending up the sides. how large should the squares cut from thecorners be to make the box hold as much as possible? what are the dimensions of the box withthe largest volume?
the box with the largest volume has dimensions approximately 3.48 in. x 3.48 in. x 5.76 in.
Let x be the side length of the square cut from each corner of the tin sheet. Then the dimensions of the base of the box will be (10-2x) by (10-2x), and the height of the box will be x. Thus, the volume of the box is given by:
V = (10-2x)^2 * x = 4x^3 - 40x^2 + 100x
To maximize V, we take the derivative of this expression and set it equal to zero:
dV/dx = 12x^2 - 80x + 100 = 0
Solving for x using the quadratic formula, we get:
xx = (80 ± sqrt(80^2 - 4*12*100))/24 ≈ 1.74, 5.76
The solution x = 1.74 is extraneous, since it would result in negative dimensions for the box. Thus, the optimal size of the square to be cut from each corner is x = 5.76 inches.
The dimensions of the box with the largest volume are:
Length = Width = 10 - 2x = 10 - 2(5.76) ≈ 3.48 inches
Height = x = 5.76 inches
Therefore, the box with the largest volume has dimensions approximately 3.48 in. x 3.48 in. x 5.76 in.
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How many solutions does the equation 6x-10=2(3x+8) have?
No Solution
One Solution
Infinitely Many Solutions
Answer:
No solution
Step-by-step explanation:
As 6x on lhs and 2×3x on the rhs are equal and cancel each other
Question 1 1 pts Suppose we have the transformation T from R³ to R³ which shifts the entries one position to the right, filling in a zero at the front: T (a, b, c) = (0, a, b) Which of the following are eigenvalues of this transformation? Select all that apply. 4 3 02 1 0-2 00 0 B -3
eigenvalues of this transformation are:
- λ = 0
- λ = 1
To find the eigenvalues of the given transformation T, we need to solve the equation T(v) = λv, where v is a non-zero vector and λ is the eigenvalue.
Let's consider the transformation T(a, b, c) = (0, a, b) and assume that (a, b, c) is an eigenvector with eigenvalue λ.
Substituting these values into the equation T(v) = λv, we get:
(0, a, b) = λ(a, b, c)
This leads to the following equations:
0 = λa
a = λb
b = λc
From the first equation, we can see that either λ = 0 or a = 0. However, since we are looking for non-zero eigenvectors, λ cannot be 0.
Now, from the second equation, if a = λb and a ≠ 0, then λ = 1.
Finally, from the third equation, if b = λc and b ≠ 0, then λ = 1.
Therefore, the eigenvalues of the given transformation T are λ = 0 and λ = 1.
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Isabella is calculating the interest earned on a deposit of $3,000 in an account that earns 4% compound interest after 6 years.
$3,000 in an account that earns 4% compound interest after 6 years.
solution:\(p = 3000\)
\(r = 4\)
\(t = 6years\)
\(interest = \frac{prt}{100} \)
\( = \frac{3000 \times 6 \times 4}{100} \)
\( = 720\)
therefore, $720 is the current amount of interest.
Victor has put 1000 hours into playing an online video game he has paid 671.34 over the course of the entire game how much did much did he pay per hour played?
Answer:
Give the person above me brainliest plz
Step-by-step explanation:
By solving the initial value problem dy = costx, y(0) = 1 dx find the constant value of C. a. +1 л O b. 0 c. 13.3 O d. O e. -1
To solve the initial value problem dy/dx = cos(tx), y(0) = 1, we can integrate both sides of the equation with respect to x.
∫ dy = ∫ cos(tx) dx
Integrating, we get y = (1/t) * sin(tx) + C, where C is the constant of integration.
To find the value of C, we substitute the initial condition y(0) = 1 into the equation:
1 = (1/0) * sin(0) + C
Since sin(0) = 0, the equation simplifies to:
1 = 0 + C
Therefore, the value of C is 1.
So, the constant value of C is +1 (option a).
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What is the equation of the line that passes through the point
(5,−7) and has a slope of 0?
Answer:
y = -7
Step-by-step explanation:
It has a slope of zero (it is just a straight,infinite line)
And it passes through the point (5,-7) because it is continuous and infinite
5. A theater wants to take in at least $2000 for the matinee. Children's
tickets cost $5 each and adult tickets cost $10 each. The theater can seat
up to 350 people. Select all the combinations of children and adult tickets
that will make the $2000 goal.
There are several possible answers.
A- (80, 150)
B- (40, 200)
C- (60, 150)
D- (70, 160)
E- (90, 200)
F- (200, 100)
The required number of children and adults for sitting in the theater are 300 and 50 respectively.
Explain linear equation of two variable.A equation is supposed to be linear equation in two factors in the event that it is written as hatchet + by + c=0, where a, b and c are genuine numbers and the coefficients of x and y, i.e an a and b separately, are not equivalent to nothing. For instance, 10x+4y = 3 and - x+5y = 2 are straight equation in two factors.
According to question:Let be consider number of children be x and that of adults is y.
We have,
x + y = 350-------(1)
y = 350 - x
And 5x + 10y = 2000------------------(2)
Put value of y in equation (2)
5x + 10( 350 - x) = 2000
5x + 3500 - 10x = 2000
-5x = -1500
x = 300
Then
y = 350 - x = 350 - 300 = 50
Thus, There will be 300 children and 50 adults in the theater .
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math help please ..................
Answer:
the correct answer is 9/28
Answer:
9/28
Step-by-step explanation:
I hope this helps!
Erin has 5/4 quarts of paint and she needs 2/8 of paint for each stair-step and how much paint can Erin exactly paint
Answer:
5 steps
Step-by-step explanation:
Turn 5/4s into 10/8s and it becomes really easy
The number of steps Erin could paint if he has 5/4 parts of paint, and she needs 2/8 of paint for each stair step, is 5.
What is division?It is a basic operation of mathematics in which you divide a number into smaller parts.
Given:
Erin has 5/4 quarts of paint,
2/8 of paint for each stair-step,
Calculate the number of steps painted as shown below,
Number of steps = total paint / paint required for each step
Number of steps = 5/4 / 2/8
Number of steps =
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SOLVED:(a) For what values of r does the function y = e^{rx} satisfy the differential equation 2y^{"} + y^{'} - y = 0
The values of r are : r = [-1 ± √3]/4 and the function y = e^{rx} satisfies the given differential equation for these values.
Given differential equation is : 2y" + y' - y = 0
We need to find for what values of r, the function y = e^{rx} satisfies the given differential equation.
Given differential equation is : 2y" + y' - y = 0
Let y = e^{rx} , theny' = re^{rx} and y" = r²e^{rx}
Put these values in the given differential equation2y" + y' - y = 02(r²e^{rx}) + r(e^{rx}) - e^{rx} = 0
Divide throughout by e^{rx} to get the characteristic equation2r² + r - 1 = 0
Solving the above quadratic equation using the quadratic formula, we get the roots as
r = [-1 ± √3]/4
If r = [-1 + √3]/4, then
y = e^{rx} = e^{[-1 + √3]x/4} satisfies the given differential equation.
If r = [-1 - √3]/4, then
y = e^{rx} = e^{[-1 - √3]x/4} satisfies the given differential equation.
Hence, the values of r are : r = [-1 ± √3]/4 and the function y = e^{rx} satisfies the given differential equation for these values.
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arrange0.2,¼,30%,10%in ascending and descending order
Answer:
Ascending- 10%, 0.2, 1/4, 30%
Descending- 30%, 1/4, 0.2, 10%
Step-by-step explanation:
0.2 = 2/10 = 4/20
1/4 = 5/20
30% = 30/100 = 6/20
10% = 10/100 = 2/20
Ascending
-2/20, 4/20, 5/20, 6/20
- 10%, 0.2, 1/4, 30%
Descending
- 6/20, 5/20, 4/20, 2/20
- 30%, 1/4, 0.2, 10%
please answer and i will give you brainliest!!!!!!!!!!!!!! find the value of 'm'and 'e' if (3,4) and(5,6) is point on 4mx+2ye=8
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
m=2x−ye2x
Move all terms that don't contain
x to the right side and solve.
x=4−2m
Use the law of sines to solve for the variable
Answer:
y ≈ 60.6 units
Step-by-step explanation:
Given a triangle with angles 18° and 117°, and sides 21 opposite 18° and y opposite 117°, you want to know the value of y.
Law of sinesThe law of sines tells you the ratios of side length to the sine of the opposite angle are the same for all side/angle pairs in the triangle.
y/sin(117°) = 21/sin(18°)
y = 21·sin(117°)/sin(18°) ≈ 60.55
The value of y is about 60.6 units.
The base of the parallelogram has a length of 10 cm what is the height 10 cm 12 cm or 14 cm 
The area of the parallelogram is 140 cm².
What is a parallelogram?A parallelogram is a quadrilateral having two pairs of parallel sides (a four-sided polygon). This indicates that opposing sides of a parallelogram are parallel, and opposite angles have the same size.
Given :
Base of parallelogram = 10 cm
Height of parallelogram = 14 cm
Area of Parallelogram = B × H
Area = 10 × 14
Area = 140 cm²
Area of parallelogram is 140 cm².
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The complete question is:
graph the image of M (–10,–7) after a rotation 180° counterclockwise around the origin.
Answer and Step-by-step explanation:
The point will be (7, 10).
#teamtrees #WAP (Water And Plant)
The image of the point M is M' = (10, 7) as shown in the graph below.
What is Coordinate Geometry?One of the most intriguing ideas in mathematics is called coordinate geometry. By using graphs with curves and lines, coordinate geometry (also known as the analytic geometry) explains how geometry and algebra are related.
As per the given data:
Coordinates of point M = (-10, -7)
Rotation to be given = 180° (counter - clockwise)
For drawing the image of point M (-10, -7):
Step 1: Create a line connecting the origin to the point M (-10, -7) and extending across the third and first quadrants.
Step 2: Modify the x and y coordinates signs to reflect the 180° rotation, then mark the point in the first quadrant.
The image of the point M is M' = (10, 7) as shown in the graph below.
Hence, the image of the point M is M' = (10, 7).
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