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Vlada [557]
3 years ago
11

Sum of a number x and three is twelve

Mathematics
2 answers:
krek1111 [17]3 years ago
6 0
If you mean this: 
x + 3 = 12 

then for finding the answer you should just put -3 on both sides and you will get 9 for your answer! 

Happy Thanksgiving :) 
sergejj [24]3 years ago
4 0
1)12-3=9
2)you need to check it so
3)9+3=12
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How do u work out what decimal is equal to 6/20
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Here's how you do it.  You'll use this forever,
so you should memorize it:

A fraction is just a short way to write a division. 
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When you actually do the division, the quotient you get
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To find the decimal equivalent of a fraction, divide
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5 0
3 years ago
Read 2 more answers
6:
schepotkina [342]

Answer:

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Step-by-step explanation:

Whenever there is a sales tax of a certain percentage, you need to first convert that percentage to decimal. 5%=0.05, and multiplying this by the overall price gives 0.05*50=$2.5. Adding this to the initial price of $50, you get 50+2.5=$52.5. Hope this helps!

4 0
3 years ago
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-BARSIC- [3]

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3 0
3 years ago
Find the length of the radius of a sphere with a surface area of 5541.77 cm2.
ladessa [460]
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A= 5541.77 → 5541.77 = 4.π.R²

R² = (5541.77)/(4.π)
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6 0
3 years ago
Given a/b=x+5, solve for B
anygoal [31]

Answer:

Refer the attachment for the answer

Hope it helps

Please mark me as the brainliest

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