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DanielleElmas [232]
3 years ago
11

Find the square (7m-3)^2

Mathematics
1 answer:
harina [27]3 years ago
6 0
Rewrite
(7m-3)^2 as (7m-3) (7m-3) (7m-3) (7m-3)
Expand using foil method
7m(7m)+7m. -3 -3 (7m) -3. -3
Simplify 49m^2-42m+9
Use the form ax^2+bx=c to find the values of a,b,and c
a=49, b=-42, c=9
Consider the vertex form of a parabola
a (x+d)^2 +e
Find d 
d=-3/7

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PLEASE HALP MEH
Dmitry_Shevchenko [17]

Answer:

A.The scale factor is 0.25 ⇒ <u>True</u>

B.The scale factor is 4 ⇒ <u>False</u>

Step-by-step explanation:

<u>See the attached figure.</u>

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size.

A dilation that creates a smaller image is called a reduction.

As Shown, two right triangles, The first triangle is dilated to form the second triangle.

We can deduce that the second image is a smaller than the first triangle.

The hypotenuse of the first triangle = 4.4

The hypotenuse of the second triangle = 1.1

So, the scale factor = 1.1/4.4 = 11/44 = 1/4 = 0.25

<u>We will check the options:</u>

A.The scale factor is 0.25 ⇒ True

B.The scale factor is 4 ⇒ False

5 0
3 years ago
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A square has a side length of 5 and 1/4 inches what is the area of a square
padilas [110]
Answer: 27.5625 or 27.6

Explanation:
A square has even side lengths so each side equals 5 1/4 or 5.25. So you take two sides and multiply them together. In other words, 5.25•5.25. Then you get roughly 27.6 rounded
7 0
3 years ago
Anyone knows the answer
vesna_86 [32]

Answer:

it might be 390

Step-by-step explanation:

hope this helps

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tatuchka [14]

Answer:

One point

Step-by-step explanation:

8 0
3 years ago
96 newspapers in 12 piles = 8 newspapers in piles
Yuliya22 [10]

Answer:

8*12=96

Step-by-step explanation:

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