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Andrew [12]
3 years ago
7

Can somebody please give me the answer I will mark u brilliant

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
7 0

Answer:

x = 6.7

Step-by-step explanation:

We know that 3.5 + x = 10.2, so if we do inverse operations we can find out the value of x.

10.2 - 3.5 = 6.7

we can check our work by substituing it back in the equation for x

6.7 + 3.5 = 10.2

so now we know that x = 6.7. I hope this helps :)

EleoNora [17]3 years ago
5 0

Answer: x=6.7

Step-by-step explanation:

x+3.5=10.2

<u>-3.5    -3.5</u>

x= 6.7

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Hi!

Given the ratio of boys to girls, which is 6/9, we can find the number of boys in a total of 75 students like this:

(6/9) * 75 = (6*75)/9 = 450/9 = 50

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Hope this helps!

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4 years ago
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Answer:

Monica has 3 more pieces of gold than silver after she cut all her wire

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Total length of gold wire Monica has= 7.68 meters

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Silver wire pieces= 5

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Let the number of hours she spent in baby- sitting is x

and the number of hours she spent in music lessons is y.

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