Solve pls brainliest

Mathematics

1 answer:

wel3 years ago

6 0

Answer:

For the first question, it's the third line, the second one after zero.

For the second question, it's the 7th line in total, the 6th one after zero.

Step-by-step explanation:

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kompoz [17]

I think the answer is he payed $3.40

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2 years ago

Solve -np-80<60 for n. Show your work. Solve 2a-5d=30 for d. Show your work.

xz_007 [3.2K]

$-np-80 < 60\qquad\text{change the signs}\\\\np+80$

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$2a-5d=30\qquad\text{subtract 2a from both sides}\\\\-5d=-2a+30\qquad\text{change the signs}\\\\5d=2a-30\qquad\text{divide both sides by 5}\\\\d=0.4a-6$

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3 years ago

Which inequality is true when the value of R is 18? I'ma shower the answers i can choose in the picture

musickatia [10]

Answer:

See below:

Step-by-step explanation:

Hello! We can check to see if the inequality is true by replacing r with 18 as we have been told to find them in which 18 as r makes the equation true.

So our equations to test for are:

$-r-3>-6\\-r+3$