3 years ago

Select the correct answer.

Mathematics

1 answer:

Dmitrij [34]3 years ago

8 0

Answer:

Its A x=21/4

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable

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Evgen [1.6K]

Answer:

$\frac{n(n + 1)}{2}$

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3 years ago

What’s the slope of the line that passes through 5,10 and 7,12

Marrrta [24]

Slope of the line passes through (5,10) and (7,12) is 1.

Step-by-step explanation:

Given,

The two points are (5,10) and (7,12).

To find the slope passing through the given points.

Formula

The slope of the line passing through ( $x_{1} ,y_{1}$ ) and ( $x_{2} ,y_{2}$ ) is $\frac{y_{2} -y_{1} }{x_{2} -x_{1} }$

Now, putting $x_{1} =5,y_{1}=10, x_{2}=7, y_{2} =12$ we get,

Slope = $\frac{12-10}{7-5}$ = $\frac{2}{2}$ = 1

Hence,

Slope of the line passes through (5,10) and (7,12) is 1.

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3 years ago

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Kruka [31]

Answer:

D. Corey!

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

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3 years ago

If f(x)=-9x-3, find f(-5)

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

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