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babunello [35]
3 years ago
10

*HURRY PLEASE ANSWER* Richard is asked to spray wash the exterior of a building that is shaped like a cube. He decides to calcul

ate the surface area of the building in order to estimate how much water he will need. He does the calculation using the standard formula and, after doing the job, realizes he overestimated the amount of water he needed. Where was his mistake? a.) He forgot that there is no formula for the surface area of a cube. b.) He forgot to add the area of the base to the total surface are of the cube. c.) He forgot to square the result. d.) He forgot to subtract the area of the base from the total surface area of the cube.
Mathematics
2 answers:
Ludmilka [50]3 years ago
7 0

Answer:

D. He forgot to subtract the area of the base from the total surface area of the  cube.

Step-by-step explanation:

He is only spray washing the *exterior* of the building; the base is not exposed so it will not be spray washed, which means Richard can use less water.

Hope this helps. :)

Lelu [443]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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PtichkaEL [24]

Answer:

  1. 5
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  3. 6
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Remember the decimal <em>hundredths</em> rounding ruleset.

  • If a decimal is below .50, round down.
  • If a decimal is .50, round up.
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View this array below to get a better image.

\left[\begin{array}{ccc}0.49(down)&0.50(up)&0.51(up)\end{array}\right]

So, for example, if you had 6.51, you would round that up to 7, and if you had 8.47, you would round that to 8

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4 0
3 years ago
Read 2 more answers
00:00
Valentin [98]
I’m 99% sure it’s D because you would add both those numbers to equal his debt that day
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3 years ago
What is the value of y in the equation 3(3y – 12) = 0? (5 points)
natta225 [31]
Set equal to 0

3=0, nope

3y-12=0
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5p-4p-8=-2+3
p-8=1
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1 solution
6 0
3 years ago
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