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Soloha48 [4]
3 years ago
13

In a bag of marbles, 12% were red, 14% were blue, and the rest were white. If the bag has 250 marbles, how many were red or blue

?
Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0
12+14= 26%

Convert 26% to a decimal.

26% =.26

250*.26= 65

65 of the marbles were red or blue.

I hope this helps!
~kaikers
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Step-by-step explanation:

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-4b - 5 + 2b =10. Can I have some help solving this.
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-7.5

Step-by-step explanation:

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Step-by-step explanation:

Alright, so we are given that we have a rug that has a side of 7x+4 feet. With this information, we are able to determine the area of the square rug. Considering that it is a square rug, all the sides are equal to each other because a square has four equal sides and angles.

To solve this, you can do it in two ways.

One, write it as (7x+4)2. That 2 is supposed to represent squared.

If you know the rule, this is a perfect square trinomial.

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2ab, multiply 2 times 7x times 4. That is 56x.

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E.G. 2(x+5)= 2x+10.

With this, you are distributing two numbers into another two numbers. 7x times 7x is 49x squared and 7x times 4 is 28x. Then, go to 4. 4 times 7x is also 28 x and 4 times 4 is 16. Now, combine the like terms. 49x squared plus 28x plus 28x or 56x plus 16.

This represents your area.

I hope this helps, and I hope you have a good day!

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