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Mars2501 [29]
3 years ago
14

Solve y over negative 2 5 = 13.

Mathematics
2 answers:
devlian [24]3 years ago
8 0
Y/-2 + 5 = 13
y/-2 = 13 - 5 = 8
y = -2(8) = -16
y = -16
Anika [276]3 years ago
3 0

Answer:

y=-16

Step-by-step explanation:

The expression is written:

-y/2+5=13

We multiply the whole expression by 2 to get rid of the fraction:

-y+5\cdot(2)=13\cdot(2)

-y+10=26

We move -y to the right hand side to make it positive y and move 26 to the left side to subtract it from 10:

10-26=y

y=-16

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Rationalize the denominator of the fraction: √5/√8 - √3
Lana71 [14]

Answer:

Step-by-step explanation:

Remark

The editor must have brackets put around the denominator when there are 2 terms.

That means I think the question is (√5) / (√8 - √3). If this is incorrect, leave a note.

To rationalize the denominator, you must multiply numerator and denominator by the conjugate  (√8 + √3).

Solution

√5 *  (√8 - √3) /  ( (√8 - √3) *  (√8 + √3)  )  

I don't think there is any point in removing the brackets in the numerator. Just leave it.

The denominator is a different matter.

denominator = ( (√8 - √3) *  (√8 + √3)  )

√8 * √8 = 8

√8 * √3 = √24

- √3 * √8 = - √24

-√3 * √3 = - 3

Take a close look at the 2 middle terms. They cancel out because one of them is plus and the other minus.

What you are left with is 8 - 3 = 5

So the final answer is

√5 *  (√8 - √3)

=============

5

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3 years ago
What is 500 x 50, 000
kogti [31]
Answer is 25,000,000
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The grass in jamie yard grew 16 centimeters in 10 days. it growing at a constant rate how many days did the grass to grow 1 cent
Leto [7]
16 cm -10 days
1 cm --- x days

x=1*10/16=5/8=0.625 days
6 0
3 years ago
Read 2 more answers
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The answer is 20 classes
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The expression below has _____ terms 4x - 8 + 2y - w
Aloiza [94]

Answer:

4

Step-by-step explanation:

4x - 8 + 2y - w

None of the terms can be combined, so there are 4 terms

4x, -8, 2y, and -w

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