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igor_vitrenko [27]
3 years ago
6

Suzanne bought 6 paint sets. Each set contains the same number of brushes. She has 18 brushes. Write and solve an equation to de

termine the number of paint brushes that came in each paint set. Explain the strategy that you used to solve the equation.
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0

Answer:

3

Step-by-step explanation:

Given that:

The number of paint sets, Suzanne bought= 6

As each set contains the same number of brushes.

Let x be the number of brushes each set contains.

So, the total number of brushes in 6 sets = 6x.

It is given that the total number of brushes she has is 18, which is equals to 6x.

So, the required equation is

6x=18

\Rightarrow x=\frac {18}{6}

\Rightarrow x=3.

Hence, the number of paint brushes each set contains is 3.

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Answer:

\frac{4}{3(e^2+1)}

Step-by-step explanation:

We want to evaluate:

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This is the same as:

\frac{2}{e^2+1} \int\limits^1_{0} {x^2+1} \, dx

We integrate to obtain:

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\frac{2}{e^2+1} (\frac{1^3}{3}+1)=\frac{4}{3(e^2+1)}

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Answer:

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Step-by-step explanation:

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when x=3

y=-(3)^2 +4(3)-5=d

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