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Radda [10]
3 years ago
14

Cube

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer:

Step-by-step explanation:

let side of cube=x

volume of cube=x³

x³=10.645

x=(10.645)^{\frac{1}{3} } \\x \approx 2.19979

or x≈2.2

a.

length of side of cube=2.2 cm

b.

length of wire used=3[4×2.2]=26.4 cm

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How do you write 4.40 × 10^3 in standard form?
Sindrei [870]

Answer:

4400 is the answer

Step-by-step explanation: You move the decimal point to the right 3 spaces. If it was 10^-3 you would move the decimal point to the left 3 spaces.

8 0
3 years ago
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
Where will you be when your group meets up with the other group ?
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Multiply. -5•-1/7•4/8. Write your answer in simplest form.
Sphinxa [80]

Answer:

5/14

Step-by-step explanation:

Multiply.

(-5 × -1 × 4) / (7 × 8)

20/56

Simplify.

5/14

7 0
3 years ago
Read 2 more answers
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dezoksy [38]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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