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PtichkaEL [24]
2 years ago
11

A floor in Phillip’s house is rectangular and measures 12 feet (ft) by 14 feet. He wants to put a circular rug on the floor. Whi

ch is closest to the area of the largest circular rug he can use? Use 3.14 for pi.
A.113 ft2
B. 154 ft2
C.452 ft2
D.615 ft2
Mathematics
1 answer:
ch4aika [34]2 years ago
4 0
B. 154 ft2

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Area and percent . ​
siniylev [52]

Answer:

a. 61.92 in²

b. 21.396 ≈ 21.4%

c. $4.71

Step-by-step explanation:

a. Amount of waste = area of rectangular piece of stock - area of two identical circles cut out

Area of rectangular piece of stock = 24 in × 12 in = 288 in²

Area of the two circles = 2(πr²)

Use 3.14 as π

radius = ½*12 = 6

Area of two circles = 2(3.14*6²) = 226.08 in²

Amount of waste = 288 - 226.08 = 61.92 in²

b. % of the original stock wasted = amount of waste ÷ original stock × 100

= 61.92/288 × 100 = 6,162/288 = 21.396 ≈ 21.4%

c. 288 in² of the piece of stock costs $12.00,

Each cut-out circle of 113.04 in² (226.08/2) will cost = (12*113.04)/288

= 1,356.48/288 = $4.71.

3 0
3 years ago
Simplify (−6.5)(−4)(−2.8)
Flura [38]
Since there are three negative numbers your product will be negative.
6.5 * 4 = 26.0
26. * 2.8 =
208
52
------------------
72.8
Answer is -72.8
8 0
3 years ago
The histogram below shows information about the number of hamburgers students ate in a month:
vovikov84 [41]
The answer is

D. The number of students who ate 10 hamburgers or more

100% Verified!

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6 0
3 years ago
The area of the surface of the trampoline is equal to twice its perimeter. Find the dimensions of the trampoline.
grigory [225]
A = lw
A = (x + 6)4x
A = (x)4x + (6)4x
A = 4x² + 24x
5 0
3 years ago
I will give brainiest if correct
Natalka [10]
Its C. Add 3 and 15 which gives you 18. Then move the variable (4x) to the left. Then combine like terms which are the x’s and you should get 3x. Then divide both sides by 3. (18/3 = 6)
5 0
2 years ago
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