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3 years ago

What is the answer to this problem? 13(7 -b) = 104

Mathematics

1 answer:

Illusion [34]3 years ago

3 0

Answer:

-1

Step-by-step explanation:

you would distribute the 13 to both the 7 and -b, next you would get 91-13b=104

after that you would subtract 104-91 and get 13, you equation now would be -13b=13. to get rid of the b you would divide 13 by -13 and get -1

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3 years ago

How do i solve this question

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3 years ago

You do not need to flip the inequality sign when solving the inequality -3 t + 7 ≥ 9.

NemiM [27]

For this case we must resolve the following inequality:

$-3t + 7 \geq9$

Subtracting 7 from both sides of the inequality we have:

$-3t \geq9-7\\-3t \geq2$

Dividing by 3 to both sides of the inequality we have:

$-t \geq \frac {2} {3}$

We multiply by -1 on both sides, taking into account that the sense of inequality changes:

$t \leq- \frac {2} {3}$

Thus, it is observed that to solve the inequality it is necessary to change the meaning of it.

ANswer:

False. It is necessary to change the sense of inequality

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4 years ago