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Natalka [10]
3 years ago
5

Five more than the product of two and a number, decreased by seven;

Mathematics
2 answers:
nydimaria [60]3 years ago
6 0
5+ (2a-7)
= 5 + (2•8-7)
= 5 + (16-7)
= 5+9
= 14
PIT_PIT [208]3 years ago
5 0

Answer:

First, write the expression

✔ 5 + 2a – 7

.

Second,

✔ substitute

8 in for the variable, a.

Third,

✔ simplify

by using

✔ order of operations

The answer is

✔ 14

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1 year ago
A container is shaped like a triangle prism. Each base of container is an equilateral triangle with the dimensions shown. The co
Aleks04 [339]

Answer:

\text{Lateral surface area of container}=270\text{ cm}^2    

Step-by-step explanation:

Please find the attachment.

We have been given that a container is shaped like a triangle prism. Each base of container is an equilateral triangle with each side 6 cm. The height of container is 15 cm.

To find the lateral surface area of our given container we will use lateral surface area formula of triangular prism.

\text{Lateral surface area of triangular prism}=(a+b+c)*h, where, a, b and c represent base sides of prism and h represents height of the prism.

Upon substituting our given values in above formula we will get,

\text{Lateral surface area of container}=(\text{6 cm+ 6 cm+6 cm})*\text{15 cm}

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3 years ago
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Advocard [28]
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Increasing walls will cause more painter needed. It was reversed in time which was increased time will cause less painter needed.

In this case, you need to divide the variable walls with time since it reversed so: 27wall/9 minutes
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Information provided is:
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Answer: 9 painters
4 0
3 years ago
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