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3 years ago

Express the square root of -80 in its simplest terms.

Mathematics

1 answer:

spin [16.1K]3 years ago

4 0

Answer:

Step-by-step explanation:

noting that $\sqrt{-1}$ = i

Given

$\sqrt{-80}$

= $\sqrt{16(-1)(5)}$

= $\sqrt{16}$ × $\sqrt{-1}$ × $\sqrt{5}$

= 4i $\sqrt{5}$ → C

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Step-by-step explanation:

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3 years ago

6) 9(x - 1)+ 4x<br><br>what's the answer

svet-max [94.6K]

Answer:

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Step-by-step explanation:

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3 years ago

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What is the area of the shaded segment shown? Round your answer to the nearest tenth please help me solve this

Bad White [126]

Answer:

0.3 in²

Step-by-step explanation:

This picture is NOT to scale. That 20° Angle looks more like 70°.

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3 years ago

The increase in the number of humans living on Earth (N, as measured in billions) with time t (as measured in years since 1800)

NemiM [27]

Answer:

The slope of the line would be 0.00910 in a logarithm graphic.

Step-by-step explanation:

Statement is incomplete. The correct sentences are:<em> The increase in the number of humans living on Earth (N, as measured in billions) with time t (as measured in years since 1800) is modeld by the following function: N = 0.892e^0.00910t. If you were to graph in ln (N) versus t, what would be the slope of the line?</em>

Let be $N(t) = 0.892\cdot e^{0.00910\cdot t}$ , where $N(t)$ is the number of humans living on Earth, measured in billions, and $t$ is the time, measured in years since 1800. As we notice, this is an exponential function and its slope is not constant and such expression have to be linearized by using a logartihm graphic. We add logarithms on each side of the formula and simplify the resulting expression by means of logarithmic properties: