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Kisachek [45]
2 years ago
5

Pleaseee help me answer this

Mathematics
1 answer:
Naddik [55]2 years ago
6 0

Answer:

The slope is -1/2

Step-by-step explanation:

First the slope equasion is y2-y1

----------- =

x2-x1

-8=x1

3=y1

-6=x2

2=y2

so you put in your numbers to get 2-3

------- =

-6--8

so you solve 2-3 is -1 and -6--8 is 2 so you get -1/2

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Which layer of the atmosphere reflects radio waves back to Earth? Mesosphere Stratosphere Thermosphere Troposphere BRAINLEST
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ionosphere

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In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere

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3 years ago
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1 1/2 is what % of 7 1/2 and also 7 1/2 is what % of 1 1/2?
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20% for the first one
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Expression equivalent?<br>8x2 - 5x + 3x(4 - 2x)​
aleksklad [387]

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Step-by-step explanation:

8x² - 5x + 3x(4 - 2x) =8x² - 5x + 3x*4 - 3x*2x

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3 years ago
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Integrate x+1/sqrt(x). I know that the answer is 2/3 • sqrt(x) • (x+3) + C, but I don't know how it is simplified from 2/3 • x^3
Andreas93 [3]

\displaystyle\int\frac{x+1}{\sqrt x}\,\mathrm dx=\int\frac x{x^{1/2}}+\frac1{x^{1/2}}\,\mathrm dx

=\displaystyle\int x^{1/2}+x^{-1/2}\,\mathrm dx

By the power rule,

=\dfrac{x^{3/2}}{\frac32}+\dfrac{x^{1/2}}{\frac12}+C

(this seems to be the step you're not getting?)

=\dfrac23x^{3/2}+2x^{1/2}+C

The next step is to pull out a common factor of x^{1/2} from the antiderivative:

x^{3/2}=x^{1/2+1}=x^{1/2}\cdot x^1

so that the final result is

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3 years ago
The ratio of red marbles to blue marbles is 7:4.what is the total no of marbles
7nadin3 [17]

Answer:

<u>its 11</u>

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