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zloy xaker [14]
3 years ago
7

What number must you add to the expression below to complete the square? x^2-20x?

Mathematics
1 answer:
polet [3.4K]3 years ago
5 0
We have that
x²<span>-20x
</span><span>Group terms that contain the same variable
</span>(x²-20x)
Complete the square 
(x²-20x+10²)------> (x-10)²

the answer is
the number must be 100
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Answer:

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Step-by-step explanation:

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3 years ago
Sally is selling two types of seashells by the seashore. She is selling large and small shells. She sells small shells for 2 dol
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Answer:

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Step-by-step explanation:

If you plug in the numbers it looks like this:

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6 0
2 years ago
Kimi and Jordan are each working during the summer to earn money in addition to
cluponka [151]

Their earnings would be the same after 4 hours

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So, the equation for Kimi's weekly earning is:

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<u />

<u>Jordan</u>

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Read more about linear equations at:

brainly.com/question/13729904

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