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77julia77 [94]
3 years ago
10

I WILL GIVE BRAINLY HELP ME PLSSS

Mathematics
2 answers:
Gnom [1K]3 years ago
3 0

Answer:

I believe (D)

Step-by-step explanation:

-5x + 7 = -13

-7 -7

-5x = -20

-5/-5 -20÷-5

x=4

Ganezh [65]3 years ago
3 0

Answer:

D.) x = 4

Step-by-step explanation:

-5x + 7 = -13

-5x + 7 (-7) = -13 (-7)

-5x = -20

-5x (-1/5) = -20 (-1/5)

x = 4

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A school has 8 blocks all day that last for 45 minutes each day. How long would each block be if school had 9 blocks all day
katrin2010 [14]

Answer: (reduce if needed)

50.625

Step-by-step explanation:

45 divided by 8 is 5.625

Add 5.625 to 45 for 50.625

Mark me as brainliest if this helps!

3 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
lyudmila [28]

x=-9-4y

substitute

2(-9-4y)+5y=-6

-18-8y+5y=-6

-18-3y=-6

-3y=-6+18

-3y=12

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y=-4

4 0
3 years ago
Which of the following are integer solutions to the inequality below?<br> −2≤×&lt;3
Phoenix [80]

Answer:

-2, - 1, 0, 1, 2

Step-by-step explanation:

The greater than or equal to sign (≤) demonstrates that the unknown is equal to -2 and greater, but is less than 3, so the largest integer solution is 2, not 3

6 0
3 years ago
Round to the nearest whole number: 67.24
natta225 [31]
67 because 24 isnot 50 yet so you would keep 67 how it is but if it was 50 or more then you would round it up to 68
6 0
4 years ago
4x-5y+2x+4+6+9y+7x+2​
gtnhenbr [62]

Answer:

13x+4y+12

Step-by-step explanation:

Combine all the like terms & then solve:

(4x+2x+7x)+(-5y+9y)+(4+6+2)

13x+4y+12

4 0
3 years ago
Read 2 more answers
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