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adelina 88 [10]
3 years ago
10

Evaluate a+b for a=-17 and b=8

Mathematics
1 answer:
In-s [12.5K]3 years ago
8 0

25

substitute 17 for A

substitute 8 for B

should look like this

17+8

then add

should look like this

17+8=25

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Danielle earns $36.80 for 4 hours of yardwork. MacKenzie earns $50.40 for 6 hours of yardwork. Who earns more money per hour? HI
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Answer:

Danielle earns more in  1 hours and  $0.80 more than MacKenzie

Step-by-step explanation:

Given : Danielle earns $36.80 for 4 hours of yardwork. MacKenzie earns $50.40 for 6 hours of yardwork.

To find : Who earns more money per hour? How much more

Solution : We have given

Danielle earns in  4 hours = $36.80 .

Danielle earns in  1 hours = .

Danielle earns in  1 hours = $9.20 .

MacKenzie earns in 6 hours = $50.40

MacKenzie earns in 1 hours = .

MacKenzie earns in 1 hours = $8.40.

We can see Danielle earns more in  1 hours .

How much = $9.20 - $8.40.

= $0.80.

Therefore,  Danielle earns more in  1 hours and  $0.80 more than MacKenzie

Step-by-step explanation:

7 0
3 years ago
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A triangular prism. The rectangular sides are 3 feet by 2 feet, 3 feet by 2.5 feet, and 3 feet by 1.5 feet. The 2 triangular sid
Brrunno [24]

The amount of plywood that he needs to buy will be 21 square feet.

<h3>What is the surface area of the triangular prism?</h3>

Let the prism with a length of L of the rectangular surface.

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SA = 2(area of triangle) + 3(area of rectangle surface)

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The rectangular sides are 3 feet by 2 feet, 3 feet by 2.5 feet, and 3 feet by 1.5 feet.

The 2 triangular sides have a base of 2 feet and a height of 1.5 feet.

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Then the surface area of the triangular prism will be

Surface area = 2 x 1.5 + 18

Surface arae = 3 + 18

Surface area = 21 square feet

More about the surface area of the triangular prism link is given below.

brainly.com/question/16765719

#SPJ1

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2 years ago
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nlexa [21]
1. The coefficient is 5
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3 years ago
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