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slava [35]
3 years ago
9

Need help please someone

Mathematics
1 answer:
aleksley [76]3 years ago
5 0

Answer:

dshhsbdbddjdkndkdkdkdrkrjjrrjrjhrbdbs

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Which ratios are equal to 64 when the scale factor is 8? Select all that apply.
Luden [163]

Answer:

The scaled surface area of a square pyramid to the original surface area.

The scaled area of a triangle to the original area.

Step-by-step explanation:

Suppose that we have a cube with sidelength M.

if we rescale this measure with a scale factor 8, we get 8*M

Now, if previously the area of one side was of order M^2, with the rescaled measure the area will be something like (8*M)^2 = 64*M^2

This means that the ratio of the surfaces/areas will be 64.

(and will be the same for a pyramid, a rectangle, etc)

Then the correct options will be the ones related to surfaces, that are:

The scaled surface area of a square pyramid to the original surface area.

The scaled area of a triangle to the original area.

5 0
3 years ago
Rectangle GHIJ is dilated to be a smaller shape. What is the name of the image after the dilation?
prisoha [69]
To know whether the shape is the pre-image or the resulting shape, we need to look at its name.

In this instance, the name of the pre-image is GHIJ.

The resulting name of the shape would be G'H'I'J'.

An apostrophe is placed after every letter to signify that it is the resulting coordinate of the original.
8 0
3 years ago
Read 2 more answers
The ratio of red balloons to blue balloons at a party is 4 to 9. If there are 20 red balloons, how many blue balloons are there?
STALIN [3.7K]

Answer:

Step-by-step explanation:

4/9 to 20/x

cross multiply and divide to get your answer

4     20

9     x

4x=180

x=45

5 0
2 years ago
Simplify: (–2x+y)(-58 y)<br> O 10x10,<br> 10xv2<br> 10xy<br> 10x10 ,
alekssr [168]

Answer:

Choice C

Step-by-step explanation:

(-2x^2y)(-5x^5y^3)=\\\\(-2)(-5)\times (x^2)(x^5)\times (y)(y^3)=\\\\10x^7y^4

Hope this helps!

8 0
3 years ago
When solving for y, in which step did Ramon make a mistake?
Charra [1.4K]
It should be e I don’t kn
7 0
2 years ago
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