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Leya [2.2K]
3 years ago
10

Please help me... it would be great!

Mathematics
1 answer:
Zepler [3.9K]3 years ago
4 0

3) 1 1/2 gallons for 3/4 of the room

Answer; 2 gallons for 4/4 of the room

4) 12 1/2 gallons drives 325 miles

Answer; 1 gallon drives 26 miles

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d1i1m1o1n [39]

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25 m of ribbon

Step-by-step explanation:

12 / 0.48 = 25

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3 years ago
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Boy Scouts Popcorn Sales
Karolina [17]

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60

Step-by-step explanation:

5 plus 4 is nine.

I based everything on how much times more it was at first, and did that times 9 for every name.

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3 years ago
Factor 3x2 - x - 10.
Salsk061 [2.6K]
The Answer is <span>(x−2)</span><span>(3x+5<span>)</span></span>
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3 years ago
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I'm really not sure how to go about solving this algebraic equation, please help! .513 = (2x)^2 / (.05-x)
LiRa [457]
Let's set it up like this:
0.513=\frac{\left(2x\right)^2}{\left(0.05-x\right)}
Multiply both sides by 0.05-x
0.513\left(0.05-x\right)=\frac{\left(2x\right)^2}{0.05-x}\left(0.05-x\right)
0.513\left(0.05-x\right)=4x^2
We are then going to use the distributive property. Since we also know that the opposite of an number that is squared is the square root, we can also apply that. We would be left with something like this:
x=-\frac{0.513+\sqrt{0.673569}}{8},\:x=\frac{\sqrt{0.673569}-0.513}{8}
The variable x can be both positive or negative.
We have found successfully our answer.

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish<span />
4 0
3 years ago
Genevieve is 3 years older than twice her brother’s age. Genevieve is 21 years old. Write an equation to find her brother’s age.
Simora [160]

Answer:

her brother is 9

Step-by-step explanation:

21-3=18   18 divided by 2 = 9

7 0
3 years ago
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