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Elden [556K]
3 years ago
14

Help!! Math review Will give brainiest

Mathematics
1 answer:
Maslowich3 years ago
8 0
The rate of change is 2 please give me Brainiest!
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1) 8n - 40 = 6(8 + 5n)
Leviafan [203]

\text{Hello there!}\\\\\text{Solve for n:}\\\\8n - 40 = 6(8 + 5n)\\\\\text{First, distribute the 6 to the variables inside the parenthesis}\\\\8n-40=48+30n\\\\\text{Subtract both sides by -30n}\\\\-22n-40=48\\\\\text{Add 48 to both sides}\\\\-22n=88\\\\\text{Divide both sides by -22}\\\\n=-4\\\\\boxed{n=-4}

8 0
3 years ago
Read 2 more answers
Please solve the following problem
kirza4 [7]

Answer:

x = 27

Step-by-step explanation:

Given

\frac{x}{9} = 3

Multiply both sides by 9 to clear the fraction

x = 9 × 3 = 27

5 0
3 years ago
How do I write the sum of 6x and 2x is at least 39 ?
tatiyna
<h2>Put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .</h2>

Step-by-step explanation:

We have,,

6x and 2x

To find, the value of x = ?

According to question,

The sum of 6x and 2x is at least 39

∴ 6x + 2x = 39

⇒ 8x = 39

⇒  x = \dfrac{39}{8}

∴ The value of x = \dfrac{39}{8}

Thus, put x = \dfrac{39}{8} I write the sum of 6x and 2x is at least 39 .

5 0
3 years ago
2(x + 8) = x + 20 help meeeeeeee !!!!! i <br> need help
Ivenika [448]

Answer: x=4

Step-by-step explanation:

firstly you solve the barracks first by multipy 2 into ( x+8) after that you collect like terms on one side of the equation or make x become the subject of the equation and solve for x

7 0
2 years ago
Read 2 more answers
V = ℓwh for ℓ. please help soon
erma4kov [3.2K]
Isolate the variable by dividing each side by factors that don't contain the variable.
l = v/wh


w
h
4 0
2 years ago
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