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Mazyrski [523]
3 years ago
5

A 40-pound bag of dog food costs $38. How much does the dog food cost per pound?

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
6 0

Answer: 1,520

Step-by-step explanation:

Amiraneli [1.4K]3 years ago
4 0
$0.95 I think... all u need to do is divide the $38 by 40 and you’ll get $0.95 as the answer
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System of Equations<br><br> y=-x-1<br> y+x=3<br><br> Solve?
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Solve by substitution

\sf{y=-x-1}
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Just plug in y=-x-1 into y+x=3

So we get:

\sf{(-x-1)+x=3}

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4x10^4 in standard notation
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Answer:

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The area of a rectangle is 91 square inches. If the length of the rectangle is 1 less than twice its width, write an equation th
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The following equation can be used to calculate the width, w, of the rectangle with the specified area: 2w²- w - 91 = 0.

<h3>What is a Rectangle's Area?</h3>

rectangle area = length width

Multiply the length by the width to obtain the area of a rectangle. The formula is as follows: A = L * W where A is the area, L denotes the length, W denotes the width, and * denotes multiplication. where A denotes area, s denotes side length, and implies multiply.

Given,

Rectangle area = 91 in.

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The rectangle's length equals 2w - 1.

Using the area formula, the equation for calculating w would be: (2w - 1)(w) = 91.

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As a result, the equation for determining the width, w, of the rectangle with the specified area is: 2w² - w - 91 = 0.

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The equivalent expression is 5^(4) * 3^(-10)

<h3>How to determine the equivalent expression?</h3>

The statement is given as:

five raised to the negative second power times three raised to the fifth power end quantity all raised to the negative second power

Rewrite properly as:

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Expand the expression by multiplying the exponents

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Evaluate the products

5^(4) * 3^(-10)

Hence, the equivalent expression is 5^(4) * 3^(-10)

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