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Sphinxa [80]
3 years ago
9

Determine the scale factor used in the dilation of a figure if vertex A(9,-18) has the image A'(6,-12).

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
I don’t know I am a 5th grader
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⦁ Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each sister?
Vitek1552 [10]

Answer:

Kim is 16 years old and her sister is 8 years old.

Step-by-step explanation:

We can use equations to represent this scenario.

Let Kim's age be 'k' and her sister's age be 's'.

Thus, k=2s (since Kim's age is double of her sister)

and k+s=24 (their ages add to 24 (from question)

Substituting the first equation:

2s+s=24

3s=24

s=8

Therefore, Kim's sister is 8 years old.

Now substitute this value into the second equation:

k+8=24

k=16

Therefore, Kim is 16 years old.

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3 years ago
Draw a quadrilateral that does not belong, then explain why. What should I draw and write?​
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Answer

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Step-by-step explanation:

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Calculate the curved surface area of cylinder of radius 14cm and of height 9cm.
strojnjashka [21]

Answer:

the curved area would be 396cm^2

5 0
3 years ago
What is the surface area of the square pyramid represented by the net?
alekssr [168]

The surface area of the square bottom = L x W = 7 x 7 = 49 cm^2

The area for one of the triangles = 1/2 x base x height = 1/2 x 7 x 9 = 31.5 cm^2

There are 4 triangles, the total area for the triangles = 31.5 x 4 = 126 cm^2

Total area = base  + triangles = 49 + 126 = 175 cm^2

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Use the given graph to determine the limit, if it exists. A coordinate graph is shown with an upward sloped line crossing the y
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Answer:

does not exist

Step-by-step explanation:

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