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3 years ago

7

Help ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1 answer:

Zina [86]3 years ago

8 0

There you !!!!! I hope this helped

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Graph the solution set for the inequalíty

marissa [1.9K]

Answer:

Slope= 2

Y-intercept= -5

Step-by-step explanation:

This inequality is in slope-intercept form which means we can get both striaght from the inequaltiy. Slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. In this inequality m would be 2 and b would be -5, so those are your answers.

5 0

3 years ago

Which equation is equivalent to 7-2(3x+4)=8x <br> A -6x+15=8x<br> B-6x-1=8x<br> C15x+20=8x

Reptile [31]

Answer:

B

Step-by-step explanation:

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3 years ago

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The radius of a circle is 20cm. What is its area? ( ratio= 3.14)<br><br>

Musya8 [376]

Answer:

A=100π=314.16 cm 2 to 5 significant figures

Step-by-step explanation:

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3 years ago

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A survey finds that 55 people out of 170 favor increasing property taxes to help pay for a new library. If this data is used to

Aloiza [94]

Answer: B. 0.036

Step-by-step explanation:

Formula for standard error :

$SE=\sqrt{\dfrac{p(1-p)}{n}}$

, where p = Population proportion and n= sample size.

Let p be the population proportion of the people who favor new taxes.

As per given , we have

n= 170

$p=\dfrac{55}{170}\approx0.324$

Substitute these values in the formula, we get

$SE=\sqrt{\dfrac{0.324(1-0.324)}{170}}\\\\=\sqrt{0.00129}\\\\=0.0359165699921\approx0.036$

Hence, the standard error of the estimate is 0.036.

∴ The correct answer is OPTION B. 0.036

8 0

4 years ago

Suppose y varies directly as x and y=21 when x=7. which is an equation relating x and y

astra-53 [7]

Y varies directly as x: y=kx, k is a constant.
when x=7, y=21, so we know k=3
therefore, the equation is y=3x

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4 years ago