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slavikrds [6]
2 years ago
6

What expression is equivalent to -15x + 39? *

Mathematics
1 answer:
Nookie1986 [14]2 years ago
7 0

Answer:

-15x + 39 = -3(5x - 13)

Step-by-step explanation:

a. -3(5x - 13) = -15x + 39

b. -3(5x + 13) = -15x - 39

c. 3(5x - 13) = 15x - 39

d. 3(5x + 13) = 15x + 39

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Will mark brainliest, 60 points
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Answer:

21 C

22 B

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Step-by-step explanation:

21 3m mean 3 times a certain number

22 the negative make the 4 go negative and the -5 positive

23 i did 5^2-4^2= 9

then 6^2 divided by 9+9= 13 i took the 9 from the 5^2 problem then divided it by 6^2

then 13 x 13 = 169

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3 years ago
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Mashcka [7]
The perimeter for this rectangle is: 276
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3 years ago
A class of 32 students contains 15 boys.
LiRa [457]

Answer:

11 boys walk to school each day

Step-by-step explanation:

<em>*The following will be assumed: the only genders of students in the class are male or female; the only options for getting to school are walking or not walking</em>

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32 - 15 = 17

there are 17 girls.

If 8 of these girls do not walk to school,

17 - 8 = 9

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So, if 20 total students walk to school, and 9 of those are girls

20 - 9 = 11

11 boys walk to school each day.

3 0
2 years ago
Read 2 more answers
1. Define: (1) factor (ii) multiple. Give five examples of each.it<br><br>​
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Answer:

A factor is a number that when its multiplied with another number, gives a product of a given number. Example: The factors of 21 are 7,3,1 and 21. A multiple is a number that can be divided by another number a certain amount of times evenly (without a remainder). Example: Some multiples of 4 are: 8, 12, 16, and 20.

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3 years ago
Martha is cycling at a speed of 20 kilometers per hour. how long will it take her to cover a distance of 60 kilometers?
Strike441 [17]
60 / 20 = 3  ---->  Only 3 hours
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3 years ago
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