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3 years ago

-4(8n-3)=84 how do i do this

1 answer:

7 0

Best to ask, "How do I solve this equation for n?"

1. Div. both sides by -4, along the way to isolating 8n-3 and then n:
8n-3 = -21
2. Add 3 to both sides: 8n = -18
3. Solve for n: n = -18/8 = -9/4 (answer)

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jok3333 [9.3K]

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3 0

2 years ago

Read 2 more answers

Find r and s. PLS HELP AND QUICK!

zavuch27 [327]

Answer:

r=12

S=24

Step-by-step explanation:

$\tan(60) = \frac{12 \sqrt{3} }{r} \\ \sqrt{3} = \frac{12 \sqrt{3} }{r} \\ r = 12 \\ \\ \\ \sin(60) = \frac{12 \sqrt{3} }{s} \\ \frac{ \sqrt{3} }{2} = \frac{12 \sqrt{3} }{s} \\ s = 24$

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3 years ago

What is the first operation to use to simplify the expression?<br> <br> 3,500÷(34+8×2)−4

stira [4]

Answer: solve the expression by applying BODMAS, then multiply 8 by 2

Step-by-step explanation:

The first operation is to apply BODMAS, then solve the expression in the bracket

3,500÷(34+8×2)−4

3,500÷ (34 + 10) -4

3500 ÷ 44 - 4

3500 ÷ 40

87.5

I hope this helps.

3 0

3 years ago

A glass case is in the shape of a rectangular prism. the volume of the case is 4125 cubic foot. how many cubic blocks with a sid

aksik [14]

Volume of the prism÷ volume of one cube
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=1

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4 years ago

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Nata [24]

I'm pretty sure its the first chose but I'm not sure sorry i couldn't help more

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4 years ago