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sergey [27]
3 years ago
9

5m + 3 ( 8m +7 ) +4^2 Can someone help me

Mathematics
1 answer:
Pie3 years ago
7 0

Answer:

29m+37?

Step-by-step explanation:

<em>Pemdas</em>

5m+3(8m+7)+4^2

Parentheses first: 5m+24m+21+4^2

Exponents next: 5m+24m+21+16

No multiplication or division so addition is last:

29m+37

These two can't add together because one has a variable.

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A carpenter needs 9.3 feet of rope for a project. How much will the carpenter spend if the rope costs $3.82 per foot?
den301095 [7]

The total amount the carpenter will spend if the rope costs $3.82 per foot is $35.526

<h3>How to determine how much will the carpenter spend if the rope costs $3.82 per foot?</h3>

The length of rope is given as:

Length = 9.3 feet

The price per rope is given as:

Price per rope = $3.82 per foot

The total amount spent by the carpenter is calculated as:

Total amount = Length * Price per rope

Substitute the known values in the above equation

Total amount = 9.3 feet * $3.82 per foot

Evaluate the product

Total amount = $35.526

Hence, the total amount the carpenter will spend if the rope costs $3.82 per foot is $35.526

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The width of a rectangle varies directly as it’s length. What is the perimeter of a rectangle that is 15 inches long?
hichkok12 [17]
15 x 2 + 5 x 2 = 40in
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4 years ago
A bee flys 4.5 meters in 9 seconds what is the unit rate in meters per second
vredina [299]

4.5 meters = in 9 seconds

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A rectangle has a length that is 5 inches greater than its width, and its area is 104 square inches. The equation (x + 5)x = 104
Mumz [18]

Answer:

Step-by-step explanation:

area = length x breadth

length = 5 inches greater than width = 5+x

width = x

area = (5+x) x

104 = (5+x) x

104 = 5x + x²

x²+5x-104 =0

looking for two numbers that when you multiply gives 104, and adding it gives +5

the numbers is 13 and 8 (-13, +5)

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x(x+5)-13(x+5) = 0

(x+5)(x-13)=0

x+5 =0          x-13 =0

x = -5,             x=13

x= -5, 13

the width is either -5  or 13 inches

the length = (5+x) = (5+(-5)) = 5-5 =0

                     (5+x) = (5+13) = 5+13 = 18

lenth is 0 or 18 inches

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Find the product of 2x^(4x² + 3x + 1). (1 point)
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Answer:

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Step-by-step explanation:

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