4 years ago

What is the answer (10 subtract 2)2+(5+16 subtract 2)

Mathematics

1 answer:

Natali [406]4 years ago

4 0

37 is the answer
Hope I'm the brainliest!!!

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Need help ASAP to this math question about how many gallons it will take to fill a pool

NARA [144]

1 cubic foot = 7.48 gallons

hence
$\frac{7.48 gal}{1 ft^3} =1$

unit conversion
$\frac{3000 ft^3}{} \times \frac{7.48 gal}{1 ft^3} = 3000 \times 7.48 gal$

3000 x 7.48 =22440

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3 years ago

2^y+1=3x<br> Solve for y.<br> Thank you!

e-lub [12.9K]

Answer; See attachment

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3 years ago

the sum of the angle measures of any triangle is 180 degrees. suppose that one triangle has a degree measure of 9x+2 and the oth

Zolol [24]

9x + 2 + 8x + 1 = 17x + 3
The answer is 180 - 17x + 3 I'm pretty sure

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3 years ago

The number of DVDs in a random person’s home collection is counted for a sample population of 80 people. The mean of the sample

VLD [36.1K]

Answer:

$E = 3.46\ movies$

Step-by-step explanation:

The formula to find the error is:

$E = z_{\frac{\alpha}{2}}\frac{\sigma}{\sqrt{n}}$

Where:

$\sigma$ is the standard deviation

n is the sample size

n = 80 people

$\sigma$ = 12 movies

Then

$1- \alpha$ = confidence level = 0.99

$\alpha= 1-0.99$

$\alpha = 0.01\\\\\frac{\alpha}{2} = 0.005$

We look for the Z value: $Z_{0.005}$

$Z_{0.005}=2.58$ Looking in the normal standard tables

Therefore:

$E =2.58*\frac{12}{\sqrt{80}}\\\\E = 3.46\ movies$

7 0

3 years ago

Sandra drove 90 miles and used 6 gallons of gasoline. Ben drove 135 miles and used 9 gallons of

Karolina [17]

Answer:

It is A

Step-by-step explanation:

6 x 15 = 90

9 x 15 = 135

8 0

3 years ago

Read 2 more answers