2 years ago

Please help in for tomorrow

Mathematics

1 answer:

Sauron [17]2 years ago

4 0

The answer is 271.04 because you have to do 242 times .12 then add your answer to 242.

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The sales tax for an item was $15.60 and it cost $390 before tax. Find the sales tax rate. Write your answer as a percentage.

labwork [276]

Answer:

15.60 times 100 divided by 390=4%

Step-by-step explanation:

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3 years ago

A sample of 36 is drawn from your population and a sample mean of 86 is computed. is this sample mean in the extreme 5% or the m

melamori03 [73]

36 times .86 gives you the anser

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3 years ago

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Marianna [84]

Answer:

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2 years ago

What value is added to both sides of the equation x2 − 8x = −10 in order to solve by completing the square?−816−44?

Artyom0805 [142]

Do you see -8x?

Take half of -8 and square it.

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3 years ago

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I don't know this please help no links Brainliest

slamgirl [31]

The slope-intercept equation is y=mx+b.

The slope formula is $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Our three points are (5,5), (-5,-7) and (0,-1)

Using our slope formula our slope becomes $\frac{-7-5}{-5-5} =\frac{12}{10} =\frac{6}{5}$

Then, if we use one of our points (pick whichever you want, although (0,1) is the easiest) to solve the equation. So, $y=\frac{6}{5}x-1$ . When we solve for x and y, we get -1=0+b, or b=-1.

When we plug that back into the equation, we get $y=\frac{6}{5}x-1$ .

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2 years ago