Which transformation maps the pre-image to the image? A. dilation B. stretch C. reflection D. rotation

Answers

Answer 1

Answer:

The figures' transformation maps the pre-image to the image is stretch .

What is pre-image to the image?

The original shape of the object is called the Pre-Image and the final shape and position of the object is the Image under the transformation.

According to question

Length of 1st figure = 8

Width of 1st figure = 4

Length of 2nd figure = 6

Width of 2nd figure = 4

as we can conclude that only length is change not breath

that means it is stretch .

Hence, Figures' transformation maps is stretch .

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Answer 2

Answer:

Answer:

the answer is b. stretch.

Step-by-step explanation:

the side measure 4 is the same for the image as it is for the pre-image. the side measure 8 on the pre-image is 6 for the image. when only one measure changes its a stretch.

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Help with algebra 2 I can’t figure out how to solve the problem .
One number is 1 more than 2 times another. Their product is 10. Find the numbers.
Alison is saving for retirement. Her company matches what she puts into her 401K in a ratio of 2:3. If she puts in $400 each month, how much in total is put into her 401k each month?A) $200 B) $800 C) $600 D) $1,000

Clint picks 13 apples. Tim picks 5 fewer apples than clint picks. How many apples does clint pick

Answers

He has 8 apples. 13- 5

Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10..

Answers

Answer:

$\sum_(2)^(10)25(0.3)^(n+1)=0.9642375$

Step-by-step explanation:

We have to evaluate the expression:

$\sum_(2)^(10)25(0.3)^(n+1)$

i.e. it could also be written as:

$25\sum_(2)^(10)(0.3)^(n+1)$

i.e. we need to evaluate:

$25[(0.3)^3+(0.3)^4+(0.3)^5+(0.3)^6+(0.3)^7+(0.3)^8+(0.3)^9+(0.3)^(10)+(0.3)^(11)]$

Hence, this could be written as:

$=25* (0.3)^3[1+0.3^1+0.3^2+0.3^3+0.3^4+0.3^5+0.3^6+0.3^7+0.3^8]$

Now, the series inside the parenthesis is a geometric series with first term as 1 and common ration as 0.3.

Hence, we could apply the summation of finite geometric series and get the answer.

We know that the sum of geometric series with n terms and common ratio less than 1 is calculated as:

$S_n=a* ((1-r^n)/(1-r))$

Here a=1 and r=0.3

Hence the sum of geometric series is:

$S_9=1* ((1-0.3^9)/(1-0.3))\n\nS_9=1.4285$

Hence, the final evaluation is:

$=25* (0.3)^3* 1.4285\n\n=0.9642375$

Hence,

$\sum_(2)^(10)25(0.3)^(n+1)=0.9642375$

We are asked to evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10. In this case, we use a calculator with summation powers so as to accurately get the answer. Using a calculator, the asnwer is equal to 0.9643.

Two times the sum of nine and a number is the opposite of 9.
Write an equation and solve.

Answers

The number is -27/2 if two times the sum of nine and a number is the opposite of 9 after applying the concept of the linear equation.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

Two times the sum of nine and a number is the opposite of 9.

Let the number be x:

2(x + 9) = -9

2x + 18 = -9

2x = - 9 - 18

2x =- 27

x = -27/2

Thus, the number is -27/2 if two times the sum of nine and a number is the opposite of 9 after applying the concept of the linear equation.

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- - 2*-9x

This is because you have "two times" which is 2*

The sum of a number = x

Opposite of 9 = -9

All shirts are the same price. Which deal is cheaper per shirt?A) Buy 2 shirts and get 25% off.
B) Buy 3 shirts and save 30%.

Answers

Answer:

The answer of this question is option A

Let’s say each shirt is $10.

If I buy 2 shirts for $20 and get 25% off, I will have spent $15. This would come out to $7.50 per shirt.

If I buy 3 shirts for $30 and get 30% off, i will have spent $21. Which is $7 per shirt.

The answer is option B

Graph the function. Identify the vertex and axis of symmetry
f(x) = –x2 – x + 2

Answers

I hope this is right (-5) + (-4) + (7);
= -9 + 7;
= -2

System of equations
2x+4y=8
X=3y-6

Answers

2x + 4y = 8
x = 3y - 6

2x + 4y = 8
2 * ( 3y - 6 ) + 4y = 8
6y + 12 + 4y = 8
8y = 8 - 12
8y = - 4
y = -4 / 8
y = -1 / 2

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