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bezimeni [28]
2 years ago
5

PLEASE HELP IM STRUGGLING, THANKYOU

Mathematics
1 answer:
Luba_88 [7]2 years ago
4 0

Answer:

24

Step-by-step explanation:

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A college parking lot is 140 ft long and 90 ft wide. The college wants to increase the area of the lot by 29% by adding strips o
Novay_Z [31]
The initial dimenssions of the park lot are:

length: 140 ft
width: 90 ft

initial area: 140 * 90 = 12,600 ft^2

Area increased 29% = 12,600 * 1.29 = 16,254 ft^2

width of the strips: x

New length: 140 + x

New width: 90 + x

New area: (140+x)(90+x) = 16,254

Solution of the equation:

12600 + 230x + x^2 = 16254

=> x^2 + 230x - 3654 = 0

Use the quadratic formula.

x = {-230 +/- √[ 230^2 - 4*1*(-3654) ]} / 2 =

x = 14.92

The other solution is negative so it is discarded.

Answer: 15 ft


 
5 0
3 years ago
Which number has a value between -8.423 and -8.395?
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Answer:

Step-by-step explanation:

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5 0
3 years ago
Help ME! solve for ∠K.
Ainat [17]

Answer:

45

Step-by-step explanation:

Every Triangle has 180 degrees.

x + 8x + 3x = 180

12x = 180

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3 0
3 years ago
What is the answer to this equation. Please I really need help.
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Answer:

Angle A = Angle X

Line Segment CA = Line Segment ZX

Angle Y = Angle B

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Step-by-step explanation:

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2 years ago
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