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Verizon [17]
2 years ago
7

URGENT...

Mathematics
2 answers:
MatroZZZ [7]2 years ago
8 0
The center of the dilation is the origin, and the scale factor is 2.

To find the coordinates of the points under this transformation, it is enough to multiply both coordinates of the points X, Y, and Z by 2.

Take a look at the dilation of point Z. To get to Z', both the x and y coordinate of Z must be multiplied by 2.


So, the coordinates are:

X'(8, 0); Y'(6, 4); Z'(4, -4).

jek_recluse [69]2 years ago
4 0

Answer:

2, - 2 is the answer

Step-by-step explanation:

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Lucita works at a bookstore and earns $9.50 per hour. She works 3 hours on Friday and 7 hours on Saturday. Which expression does
Kryger [21]

Answer:

D

Step-by-step explanation:

If you multiply 3 and 7 you are saying she worked 21 hours when she only worked a total of 10 hours.

3 0
3 years ago
The base of a triangle is 7 inches more than 4 times the height. If the area of the triangle is 93 square inches, find the base
Galina-37 [17]

Answer:

Step-by-step explanation:

Let the height = h

Let the base = 4h + 7

Area of a triangle = 1/2 * b * h

Area = 93 square inches

1/2 * (4h + 7)* h = 93            Multiply both sides by 2

(4h + 7) * h = 93*2

(4h + 7)*h = 186                    Remove the brackets

4h^2 + 7h = 186                   Subtract 186 from both sides.

4h^2 + 7h - 186 = 0

Use the quadratic formula to solve

a = 4

b = 7

c = - 186

x1 = (-7 + sqrt(7^2 - 4*4*(-186) ) /2*4

x1 = (-7 + sqrt(49 - 16*(-186)) / 8

x1 = (-7 + sqrt(49 + 2976)) / 8

x1 = (-7 + sqrt(3025)) / 8

x1 = (-7 +55 ) / 8

x1 = (48)/8

x1 = 6

There is another root, but it has to be minus and therefore cannot be used as a length. x2 = - 7.75

h = 6

b = 4*6 + 7 = 31

Check

Area = 1/2 * b * h

Area = 1/2 * 31 * 6

Area = 1/2 *186

Area = 93 which is what we were given so the answer is correct.

4 0
2 years ago
Nikki M and Cardi B are debating about which set of numbers would best describe the temperature in New York on any given day Nik
kompoz [17]

Cardi B

Step-by-step explanation:

It is decreasing in the time interval 0 < x < 2 hours.

7 0
2 years ago
If you solve this, you are a critical thinker:
jolli1 [7]

Answer:

8 children

This is because if he has one son, then every daughter has one brother. Therefore, if he has four sons, each of his daughters have four brothers.

6 0
2 years ago
Read 2 more answers
Which quadrant will the line y=Negative one-fourthx – 15 never pass through?
Nata [24]

Answer:

quadrant 2

Step-by-step explanation:

6 0
2 years ago
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