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katrin [286]
3 years ago
12

What is the missing polynomial?

Mathematics
1 answer:
Lynna [10]3 years ago
5 0
2-29 it was b but if you lo
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You need to buy a 20-foot length of 15-wide carpet that costs $29.50 per square yard. How much will this cost?
Marianna [84]

The cost of the carpet will be $983.33

<h3>Calculating cost</h3>

From the question, we are to calculate how much the carpet will cost

From the given information,

The carpet has a length of 20 feet

and a width of 15 feet

First, we will covert the dimension to yard

NOTE: 1 foot = 1/3 yards

Thus,

20 feet = 20/3 yards

and

15 feet = 15/5 yards = 5 yards

Now, we will calculate the area of the carpet

Using the formula,

Area = Length × Width

Area of the carpet = 20/3 × 5 square yard

Area of the carpet = 33.33 square yard

Now, we have that

The carpet costs $29.50 per square yard

∴ The cost of the carpet = 20/3 × 5 × $29.50

The cost of the carpet = $ 983.33

Hence, the cost of the carpet will be $983.33

Learn more on Calculating cost here: brainly.com/question/24458165

#SPJ1

8 0
2 years ago
What is 6 3/4 times 1 1/2
Neko [114]

Answer:

Fraction form= 81/8   Decimal form= 10.125

Step-by-step explanation:

Simplify the expression

5 0
3 years ago
Read 2 more answers
You are under contract to design a storage building with a square base and a volume of 14,000 cubic feet. the cost of materials
Goryan [66]
The first thing we are going to do for this case is define variables.
 We have then:
 y = the cost of the box
 x = one side of the square base
 z = height of the box
 The volume of the building is 14,000 cubic feet:
 x ^ 2 * z = 14000
 We cleared z:
 z = (14000 / x ^ 2)
 On the other hand, the cost will be:
 floor = 4 (x ^ 2)
 roof = 3 (x ^ 2)
 for the walls:
 1 side = 16 (x * (14000 / x ^ 2)) = 16 (14000 / x)
 4 sides = 64 (14000 / x) = 896000 / x
 The total cost is:
 y = floor + roof + walls
 y = 4 (x ^ 2) + 3 (x ^ 2) + 896000 / x
 y = 7 (x ^ 2) + 896000 / x
 We derive the function:
 y '= 14x - 896000 / x ^ 2
 We match zero:
 0 = 14x - 896000 / x ^ 2
 We clear x:
 14x = 896000 / x ^ 2
 x ^ 3 = 896000/14
 x = (896000/14) ^ (1/3)
 x = 40
 min cost (y) occurs when x = 40 ft
 Then,
 y = 7 * (40 ^ 2) + 896000/40
 y = 33600 $
 Then the height
 z = 14000/40 ^ 2 = 8.75 ft
 The price is:
 floor = 4 * (40 ^ 2) = 6400
 roof = 3 * (40 ^ 2) = 4800
 walls = 16 * 4 * (40 * 8.75) = 22400
 Total cost = $ 33600 (as calculated previously)
 Answer:
 
The dimensions for minimum cost are:
 
40 * 40 * 8.75
8 0
4 years ago
The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen
worty [1.4K]

Answer:

$1.25

Step-by-step explanation:

The graph shows that 3 pens cost $3.75 which means each pen costs more than $1 so we know that the greater number will be the numerator in our division equation. Divide 3.75 by 3 to get the unit rate.

3.75/3=1.25

Each pen costs 1.25

You can check your work by plugging it into the other points.

6*1.25=7.5 -So that second point is correct

9*1.25=11.25- The third point is also correct meaning we got the right answer

3 0
3 years ago
Lyric spent half of his weekly allowance at the movies. To earn more money, his parents let him clean the windows in the house f
rusak2 [61]

Answer:

This question does not make since.

Step-by-step explanation:

7 0
3 years ago
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