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4 years ago

5(y-4)=7(2y+1) find the y

Mathematics

1 answer:

lozanna [386]4 years ago

6 0

Hi Brainiac

Distribute

(5)(y)+(5)(-4)=(7)(2y)+(7)(1)

5y-20=14y+7

Now we need to subtract 14y from both sides

5y-20-14y=14y+7-14y

-9y-20=7

Now add 20

-9y-20+20=7+20

-9y=27

Divide both sides by -9 to both sides so we can find the value for y

-9y/-9= 27/-9

y= -3

I hope that's help:0

Good night

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3 years ago

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Answer:

1. Some numbers, such as $\frac{1}{10}$ , have a decimal expansion that terminates.

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Step-by-step explanation:

According to the options, we have,

1. Some numbers, such as $\frac{1}{10}$ , have a decimal expansion that terminates.

It is correct as the decimal expansion of $\frac{1}{10}$ is 0.1, which terminates.

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This is also correct as both rational and irrational numbers can be written in decimal form.

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4. Only some real numbers have a decimal expansion.

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It is correct as $\frac{1}{18}=0.0555555..$ , which is non-terminating decimal expansion.

So, the correct options are,

1. Some numbers, such as $\frac{1}{10}$ , have a decimal expansion that terminates.

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6 0

4 years ago

Please help with this ASAP!!1

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Answer:

a. OM is congruent to ON.

Step-by-step explanation:

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a. OM is congruent to ON. This says that two legs are congruent, so this is your answer.

b. LM is congruent to ML. This does not help as it is saying a segment is the same as the same segment.

c. and d. Both of these use angle measurements, which does not help with the HL Theorem.

Hope this helps!

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4 years ago

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3 years ago

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Answer:

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3 years ago