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2 years ago

Raise 2 to the 4th power, then add r to the result

Mathematics

1 answer:

Oxana [17]2 years ago

3 0

Answer:

2⁴ + r

Step-by-step explanation:

Change the sentence into a expression.

Note that r is a variables.

"Raise 2 to the 4th power..." means 2 to the 4th power, or 2⁴.

"...then add r to the result" means: + r

Combine the two terms:

2⁴ + r is your answer.

Simplify if need be.

2⁴ = 2 * 2 * 2 * 2 = 4 * 4 = 16

r + 16 is your answer.

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PLEASE HELO ASAP WILL MARK BRAINLIEST

ss7ja [257]

A.) 1/2

B.) 3

For the first one, just plug the value of x (4) everywhere you see x in the formula.

For the second one, place 1 wherever you see f(x)

Hope this helps

6 0

2 years ago

n HP laser printer is advertised to print text documents at a speed of 18 ppm (pages per minute). The manufacturer tells you tha

Dominik [7]

Answer:

0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 17.39 ppm

Standard Deviation, σ = 4.25 ppm

Sample size = 11

We are given that the distribution of printing speed is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}$

P(printing speed of the sample is greater than 17.99 ppm.)

P(x > 17.99)

$P( x > 17.99) = P( z > \displaystyle\frac{17.99-17.39}{\frac{4.25}{\sqrt{11}}}) = P(z > 0.468229)\\\\P( z > 0.468229) = 1 - P(z < 0.468229)$

Calculating the value from the standard normal table we have,

$1 - 0.679 = 0321= 32.1\%\\P( x > 17.99) = 32.1\%$

Thus, 0.321 is the probability that their mean printing speed of the sample is greater than 17.99 ppm.

8 0

3 years ago

Please help giving best answer brainiest!!!!!!!!!!!!!!!!!!!!!!

balandron [24]

I would say the 2nd or 3rd one

4 0

3 years ago

Read 2 more answers

A kite is flying 12 ft off the ground. Its line is pulled taut and casts an 8 -ft shadow. Find the length of the line. If necess

LenKa [72]

Answer

14.4 ft~

Step-by-step explanation

A kite is flying 12 feet off the ground, therefore the height is 12 (assuming the line is tied to the ground if a person is holding the line then the height would be less)

Assuming the sun is positioned in such a way that the shadow represents a horizontal distance. Horizontal distance of shadow = 8

Use Pythagoras Theorem

Where a^2 + b^2 = c^2

8^2 + 12^2 = 208

Square root 208 = 14.4~

~ Hoodini, here to help :)

6 0

2 years ago

Charlie had a -$38.00 balance in his checking account. He deposited $126.00 into the account. What is his new balance?

Marina86 [1]

Answer:

$88

Step-by-step explanation:

-38+126=$88

3 0

3 years ago