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andrey2020 [161]
3 years ago
8

Simplify the expression 54. (1 point) A. 20 B. 1,024 C. 125 D. 625

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

C

Step-by-step explanation:

54 x 2 = 125

So I know.I'm correct

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Mrs. Thompson wants to buy centerpieces to use at a party. It will cost $49 to have the centerpieces delivered plus $0.89 per ce
dalvyx [7]

Answer:

49+0.89c

Step-by-step explanation:

This should be the answer good luck :)

8 0
3 years ago
The volume of a cylinder is 12,566.4 cm3. The height of the cylinder is 8 cm.
scoundrel [369]
Using the formulas here: http://www.1728.org/diamform.htm

A)  Volume   =   <span>π <span>• r² • height
radius^2 = Volume / (PI*height)
</span></span><span>radius^2 = 12,566.4 / (PI * 8)
</span>radius^2 =  <span> <span> <span> 500.0011692175 </span> </span> </span>
radius = <span> <span> <span> 22.3607059195 </span> </span> </span>
radius (rounded) = 22.4 cm

B) Area of base = PI * radius^2
Area of base = 3.14159265 * 500
Area of base = <span> <span> <span> 1,570.7963267949 </span>
</span></span><span><span>Area of base (rounded) = </span> 1,570.8 square cm
</span> 
C) <span><span>lateral area = </span>2 • </span><span>π • r • height </span>
<span>lateral area = 2 • </span><span>π • 22.4 * 8
</span>lateral area = <span> <span> <span> 1,125.9468070466 </span> </span> </span>
lateral area = 1,125.9 <span>square cm

D) Total Surface Area = </span><span>(2 • <span>π <span>• r²) + (2 • <span>π • r • height)</span></span></span></span>
Total Surface Area = <span><span>2 * (top AND bottom area which is the Part B answer times 2) + (the lateral area which is the Part C answer)
</span>
Total Surface Area = </span>( 2 * 1,570.8 ) + (1,125.9)
<span>Total Surface Area = 3,141.6 + 1,125.9
</span><span>Total Surface Area = </span> <span> <span> <span> 4,267.5 </span> </span> </span> square cm





3 0
3 years ago
Help !!!!!!!!!!!!!!!
xxMikexx [17]

Answer:

I hate maths it's a boring subject

5 0
2 years ago
Gloria earned $144 for 8 hours of work. What is her unit rate? Use a ratio table
NemiM [27]
I don’t know about a ratio table but she makes 18 dollars per hour
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3 years ago
If line segment AB represents ​50%, what is the length of a line segment that is​ 100%?
Debora [2.8K]

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4 0
3 years ago
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