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mel-nik [20]
3 years ago
12

What’s the answer anyone know

Mathematics
2 answers:
yuradex [85]3 years ago
7 0
Multiply 22.3 by 23
answer in sig fig: 69
Drupady [299]3 years ago
3 0
I do. what you have to do is multiply 23 gallons by how far it can go for each mile (22.3) which gives you 512.9 miles exactly
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what number should be added to the expression x^2 + 10x to change it into a perfect square trinomial?​
Annette [7]

Answer:

\large\boxed{5^2=25}

Step-by-step explanation:

\text{Perfect square:}\ (a+b)^2=a^2+2ab+b^2\\\\x^2+10x\\\Downarrow\\x^2+2(x)(5)\\\Downarrow\\x^2+2(x)(5)+5^2=(x+5)^2

3 0
3 years ago
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EastWind [94]

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the answer should be 7.875 I think?Hope this helps.

Step-by-step explanation:

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3 years ago
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lara [203]

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3 years ago
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Andrew [12]
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6 0
3 years ago
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The price of a cup of coffee was $2.45 yesterday. Today, the price rose to $2.80. Find the percentage increase. Round your answe
Fed [463]
We have that
2.45----------------- > 100%
2.80------------------X
x=2.80*100/2.45=114.29
114.29-100=14.29%-- >14%

the answer is 14%
5 0
4 years ago
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