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3 years ago

11

Please answer number 8 8 don't understand

1 answer:

kumpel [21]3 years ago

4 0

Where's number 8.......

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Find the equation of a line that goes through the points (-3,5) and (5,-11)

Rasek [7]

$(\stackrel{x_1}{-3}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{-11}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-11}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{5}-\underset{x_1}{(-3)}}}\implies \cfrac{-16}{5+3}\implies \cfrac{-16}{8}\implies -2$

$\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{5}=\stackrel{m}{-2}(x-\stackrel{x_1}{(-3)}) \\\\\\ y-5-2(x+3)\implies y-5=-2x-6\implies y=-2x-1$

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2 years ago

How do you find the area of a circle that has a radius of 4

Lisa [10]

Work is provided in the image attached.

Although you did not include units, I just used centimeters.

However, if there were no units, then just put your answer.

If you do not understand my work,

please ask me in the comments below.

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3 years ago

Read 2 more answers

At a doctor's appointment, a baby weighed 10 pounds. How many ounces did the baby weigh?

Sergio [31]

Answer:

The baby would be 160 ounces.

Step-by-step explanation:

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3 years ago

190% of what number is 76<br> Plz hurry I really want to get this done

pishuonlain [190]

Answer:

190 is 76% of 250

Step-by-step explanation:

We have, 76% × x = 190

Multiplying both sides by 100 and dividing both sides by 76,

we have x = 190 × 100/76

x = 250

If you are using a calculator, simply enter 190×100÷76, which will give you the answer.

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2 years ago

Which number has a 3 that 10 times greater than the 3 in 513?

cestrela7 [59]

The 3 in "513" is only 3. it's 1, 2, 3. If we do 3 x 10 it's 30

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2 years ago