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vagabundo [1.1K]
3 years ago
14

How to solve 3x+5=-13

Mathematics
1 answer:
Serggg [28]3 years ago
6 0
Greetings!

Solve using the properties of equality:
3x+5=-13
Add -5 to both sides.
(3x+5)+(-5)=(-13)+(-5)
3x=-18
Divide both sides by 3.
(3x)/3=(-18)/3
The Answer Is:
x=-6

Hope this helps.
-Benjamin
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Compute the total cost of the meal to the nearest cent: meal costs $24.62 plus 6% tax and 15% tip.​
matrenka [14]

The total cost of the meal is $30.02

Step-by-step explanation:

Given,

Cost of meal = $24.62

Tax = 6%

Tax amount = 6% of cost of meal

Tax\ amount=\frac{6}{100}*24.62\\Tax\ amount=\frac{147.72}{100}\\Tax\ amount=\$1.48

Cost after sales tax = 24.62+1.48 = $26.10

Tip = 15%

Tip amount = 15% of cost after sales tax

Tip\ amount=\frac{15}{100}*26.10\\\\Tip\ amount=\frac{391.5}{100}\\Tip\ amount=\$3.92

Total cost of meal = Cost after sales tax + Tip amount

Total cost of meal = 26.10+3.92 = $30.02

The total cost of the meal is $30.02

Keywords: percentage, sales tax

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Answer:

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Step-by-step explanation:

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The length of a rectangle is seven times its width. The area of the rectangle is 175 square centimeters. Find the dimensions of
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Answer:

<h3>The length is 35cm</h3><h3>The width is 5cm</h3><h3 />

Step-by-step explanation:

Area of a rectangle = l × w

where

l is the length

w is the width

The length is seven times the width is written as

l = 7w

Area of the rectangle = 175 cm²

7w × w = 175

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