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antiseptic1488 [7]
2 years ago
14

Factor: -12n - 20 they are asking for an expression

Mathematics
1 answer:
katen-ka-za [31]2 years ago
5 0

Answer:

-4(3n+5)

Step-by-step explanation:

Factored -4 out of -12n-20. Let me know if this answers the question!

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Please help. I don’t understand and don’t know what do to.
Bingel [31]

9514 1404 393

Answer:

  72

Step-by-step explanation:

The triangles are said to be similar. (ΔNPQ ~ ΔRSQ) That means corresponding sides have the same ratio:

  NP/RS = NQ/RQ = PQ/SQ = 24/32 = 21/28 = 3/4

This ratio, or scale factor, also applies to the perimeters of the two triangles.

  perimeter NPQ / perimeter RSQ = 3/4

Using the given expressions for the perimeters, we have ...

  (7x +2)/(10x -4) = 3/4

We can solve this equation in the usual way to find the value of x. Then we can use that value to find the perimeter of ΔNPQ.

  4(7x +2) = 3(10x -4) . . . . . multiply both sides by 4(10x -4)

  28x +8 = 30x -12 . . . . . eliminate parentheses

  20 = 2x . . . . . . . . . . . add 12-28x to both sides

  10 = x . . . . . . . . . . . divide both sides by 10

The perimeter of ΔNPQ is ...

  7x +2 = 7(10) +2 = 72

The perimeter of triangle NPQ is 72 units.

7 0
3 years ago
Help me guys, I really need your help​
denis23 [38]

Answer:

The answer should be like this;

a) A-B

b) BUC

c) C-A

HAVE A NİCE DAY

Step-by-step explanation:

GREETİNGS FROM TURKEY ツ

7 0
2 years ago
Can you guys put 7,258,082 in word form? PLEASE
pashok25 [27]
Seven million, two hundred fifty-eight thousand eighty-two. :)
8 0
3 years ago
I don’t know how to do this
DochEvi [55]

Answer:

y = 1/4 (3 s - 8)

Step-by-step explanation:

hopes this helps:)

4 0
3 years ago
The Johnson family is taking a road trip that is 575 miles long. On the first day,
vlada-n [284]
It would be 3.4 because it is easy and I got a good grade
3 0
3 years ago
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