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Aleksandr [31]
3 years ago
10

Solve for u. Simplify your answer as much as possible.

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Step-by-step explanation:

2/8 = u/12

cross multiply and we get:

24= 8u

u = 3

Topic: algebraic fractions

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

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vodka [1.7K]

Let be "x" the number of colored pencils in the box.

According to the information given in the exercise, there are 84 pencils in the box and 53 of them are regular pencils.

Knowing this information, you can set up the following equation:

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Finally, you have to solve for the variable "x" in order to find its value. In order to do this, you can apply the Subtraction property of equality by subtracting 53 from both sides of the equation:

\begin{gathered} x+53-(53)=84-(53) \\ x=31 \end{gathered}

The answer is: There are 31 colored pencils in the box.

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1 year ago
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3 years ago
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6 0
3 years ago
Read 2 more answers
Also may i have help with this one
mote1985 [20]
The answer should be 11 since adding all the x’s up before 13 equals 11
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What is the height of a cylinder with volume 6,908 cubic feet and with a base radius of 10 feet?
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