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Juli2301 [7.4K]
3 years ago
12

Suzanne needs material for her school project. She buys 4.75 yards of material at $5.37 a yard. What is the total cost of the ma

terial? Round to the nearest cent. a. $255.08 b. $10.12 c. $30.61 d. $25.51
Mathematics
1 answer:
vovangra [49]3 years ago
3 0
The material costs 5.37 for 1 yard.

 Multiply the cost of 1 yard by the number of yards bought:

5.37 per yard x 4.75 yards = $25.51 Total cost.

The answer would be D.
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What is 3 root of − 375 end root?
Svetllana [295]
∛-375
∛-125 · 3
∛-125∛3
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The answer is D.
3 0
3 years ago
the length of a rectangle is 4 more than the width. if the perimeter of the rectangle is 57.2 inches find the length and the wid
dusya [7]

Answer:

Length = 16.3 in and Width = 12.3 in

Step-by-step explanation:

Let's name L the length and W the width of the rectangle. We can then write equations describing the statements given:

"<em>the length of a rectangle is 4 more than the width</em>"

L = W + 4

"<em>the perimeter of the rectangle is 57.2 inches</em>"

2 L + 2 W = 57.2

(where we used the formula for the perimeter of the rectangle equal to twice the rectangle's length plus twice the rectangle's width)

Now we use the first equation to substitute for L in the second one:

2 ( W + 4) + 2 W = 57.2

use distributive property to remove parenthesis

2 W + 8 + 2 W = 57.2

combine like terms

4 W + 8 = 57.2

subtract 8 from both sides

4 W = 57.2 - 8 = 49.2

divide both sides by 4 to isolate W

W = 49.2 / 4 = 12.3 in

Now we use this result in the first equation we wrote, to find L

L = W + 4 = 12.3 + 4 = 16.3 in

Therefore : Length = 16.3 in and Width = 12.3 in

6 0
3 years ago
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)

x²+5x-13x-104 =0

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

4 0
3 years ago
Read 2 more answers
Need help, ​please confusing
Alex73 [517]
The square root of 3.3 is 1.81
6 0
3 years ago
Rewrite the following expression as a single logarithm: log7(x2+5x−14)−log7(x+7)
EleoNora [17]

Answer:

log7(x-2)

Step-by-step explanation:

Use of property: log(ab) = log(a) + log(b)

  • log7(x²+5x−14)−log7(x+7)  =
  • log7(x+7)(x-2) - log7(x+7) =
  • log7(x+7) + log7(x-2) - log7(x+7) =
  • log7(x-2)

5 0
3 years ago
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