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irinina [24]
3 years ago
14

The length of a rectangle is 5 inches more than it's width, x. The area of a rectangle can be represented by the equation.x^2+5x

=300. What are the measure of the width and length? Width= ________ inches. Length = __________. Inches
Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer:

the width=15; the length=20

Step-by-step explanation:

1. to solve the given equation: x²+5x-300=0;

x₁= -20; x₂=15, where 'x' can be only positive value. It means x=15;

2. according to the condtition the length is more, it means 15+5=20.

3. the width is x=15; the length is 20.

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storchak [24]

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7 0
3 years ago
If asphalt pavement costs $0.70 per square foot, find the cost to pave the circular How much does it cost to pave this road?
Hunter-Best [27]

Answer:

Cost to pave the road = $4257

Step-by-step explanation:

Area of the pavement = Area of the outer circle - Area of the internal circle

Area of the outer circle = πr²

                                       = π(55)²

                                       = 3025π square feet

Area of the inner circle = π(33)²

                                       = 1089π square feet

Area of the pavement = 3025π - 1089π

                                     = 1936π

                                     = 6082.12 square feet

Cost of pavement = $0.70 per square feet

Therefore, cost of 6082.12 square feet = 6082.12 × 0.70

                                                                 = 4257.49

                                                                 ≈ $4257

Cost to pave the road = $4257                                    

5 0
2 years ago
What is the exact volume of the cylinder? A.) 54pi in3
MatroZZZ [7]

Answer:

Choice D

Step-by-step explanation:

You use the formula V=pi(radius^2)(h). Once you take the pi out and plug in the numbers, you should get V= 6^2(9). You get 324 with the pi added on after it.

3 0
2 years ago
Read 2 more answers
So confused. There is a link to the picture :)
user100 [1]
An = a1 + (n-1)d

an = 27 + (n-1)(-6)


4 0
3 years ago
The graph of y = x^2 is translated 3 units to the left. The equation for this new graph is:
EastWind [94]
The answer is:
C. Y=(x+3)^2
7 0
2 years ago
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