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jenyasd209 [6]
2 years ago
6

How to graph y=-4x+2​

Mathematics
1 answer:
Leya [2.2K]2 years ago
5 0
Since the graph is linear, just find 3 points
(0,2), (1,-2), (-1,6)
And graph the points than draw a line to connect them
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The director of the library believes that 14% of the library's collection is checked out. If the director is right, what is the
Ksivusya [100]

Answer: 0.2643

Step-by-step explanation:

Let p be the population proportion and \hat{p} be the sample proportion .

As per given question , we have

p=0.14\\\\ \hat{p}=0.13\\\\ n=478

z-score : \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{0.13-0.14}{\sqrt{\dfrac{0.14(1-0.14)}{478}}}\\\\=-0.630087269176\approx-0.63

The required probability ( using z-table ):-

P(z

Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643

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4 years ago
Convert the following equation into<br> slope-intercept form.<br> x + y = -1
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Answer:

y=-x-1

Step-by-step explanation:

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Suppose f(x)=x^2+3 and g(x)=x-2 find (f-g)(x
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Answer:

x^2-x+5

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)

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= x^2 + 3 - x + 2

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Jonathan wants to save up enough money so that he can buy a new sports equipment set that includes football,baseball,soccer ball
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CAN SOMEONE PLEASE HELP ME??? THIS ANSWER IS NOT PROPERLY SELECTED...IT WAS CLICKED ON BY ACCIDENT...PLEASE DO NOT CHEAT OR LIE
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Answer:

The answer is Option B

Step-by-step explanation:

<u>Step 1:  Find the points</u>

The leftmost point is:  <em>(-3, -1)</em>

The next point is:  <em>(-2, 2)</em>

The next point is:  <em>(1, 0)</em>

The next point is:  <em>(3, 1)</em>

The rightmost point is: <em> (4, -2)</em>

<em />

Answer:  The answer is Option B

7 0
3 years ago
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