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Black_prince [1.1K]
2 years ago
11

How much cubic centimeters of dirt must be removed when digging for a foundation of a building if the excavation is 32m long, 12

m wide, and 8m deep
Mathematics
1 answer:
fredd [130]2 years ago
4 0

Answer:

3,072m

Step-by-step explanation:

32 × 12× 8= 3,072 (This is only you are multiplying them all)

If you are trying to find the area then its: 384m

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In 1985, there were 285 cell phone subscribers in Arlington. The number of subscribers increased by 75% per year since 1985. Fin
ANTONII [103]

Answer:

The number of subscribers in 2008 is 110,845,988

Step-by-step explanation:

The number of cell phone subscribers in Arlington, in t years after 1985, can be modeled by the following equation.

N(t) = N(0)(1+r)^{t}

And which N(0) is the number of subscribers in 1985 and r is the rate it increases per year, as a decimal.

In 1985, there were 285 cell phone subscribers in Arlington.

This means that N(0) = 285

The number of subscribers increased by 75% per year since 1985.

This means that r = 0.75

So

N(t) = 285(1.75)^{t}

Find the number of subscribers in 2008.

2008 is 2008-1985 = 23 years after 1985. So we have to find N(23).

N(23) = 285(1.75)^{23} = 110,845,988

The number of subscribers in 2008 is 110,845,988

8 0
3 years ago
Which unit rate corresponds to the proportional relationship shown in the graph?
jeka57 [31]

Answer:

i think the answer is 1.33cm/s

Step-by-step explanation:

you have to use m=y2-y1/x2-x1


4 0
3 years ago
Find the reference angle for 404 degrees
Hitman42 [59]
It would have to be 44°. If you go around 360° nothing happens. So subtract 404°-360° and you get 44°. 44°<90° from the x-axis so we are done.
3 0
3 years ago
Jennifer starts with a population of 100 amoebas that doubles in size every minute for a number of minutes, m. She writes the ex
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Answer:

100(2m)

(1+0.4)

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Jennifer=the first equation is how many total amoebas Jennifer has in total

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