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Aleonysh [2.5K]
2 years ago
6

Evaluate B^2 for B= -4. O 8O -8O 16 O -16​

Mathematics
1 answer:
yulyashka [42]2 years ago
7 0

Answer is 16

Hope it helps

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What is 2878 divided by 55
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Answer:

52.3272727...

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Danielle estimates that she will spend $250 on new summer clothes. She actually spent $350. What is the percent error? Round to
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Answer:

%28.57 (14285714286)

Step-by-step explanation:

Divid To get decimal (percent right)

250/350= 0.714285714285714

Subtract from 1 to get decimal (Percent wrong)

1.0 - 0.714285714285714= 0.285714285714286

Move over decimal to placements to the right to convert to percent

%28.5714285714286

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%28.57

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3 years ago
Convert (1, 1) to polar form.<br> A. (2,459<br> B. (1,459)<br> C.(2, 2259)<br> D.(72,459)
timama [110]

Polar form: (r,θ)

Using these formulas:

x²+y²=r²

tan(θ)=y/x

We have the point (1,1) in cartesian coordinates. We need to find r and θ to get it in polar form.

r²=1²+1²

r²=2

r=±√2

tan(θ)=1/1

tan(θ)=1

θ=π/4 radians or 45 degrees

Polar coordinates: (√2,π/4)

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C I think sorry I will try I will get other answers later
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You have a job earning $12.50 per hour, and you receive a raise so that you earn $13.25 per hour. What is the percent change in
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increase = 13.25 - 12.50 \\ increase = 0.75 \: dollars

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2 years ago
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