2 years ago

Rounding decimals to the thousandths place 45.9867

Mathematics

1 answer:

solmaris [256]2 years ago

4 0

Answer:

45.987

Step-by-step explanation:

Because its the number you get by rounding up

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Anybody know this at all?

pickupchik [31]

Answer:

perimeter = 4x³ + 3x² + 2

Step-by-step explanation:

perimeter = sum of the lengths of the sides

perimeter = 2x³ + 3x³ - x² - x³ + 4x² + 2

perimeter = 4x³ + 3x² + 2

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2 years ago

A colony of 21,300 bacteria doubles in size every 260 hours. What will the population be 520

bonufazy [111]

Answer:

85,200

Step-by-step explanation:

21,300*2=42,600

42,600*2 = 85,200

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3 years ago

Find the volume of a pyramid with a square base, where the perimeter of the base is 10.7\text{ ft}10.7 ft and the height of the

Airida [17]

Answer:

$V=23.37\ ft^3$

Step-by-step explanation:

Given that,

The perimeter of the base of pyramid, P = 10.7 ft

The height of the pyramid, h = 9.8 ft

We need to find the volume of the pyramid.

The perimeter of square is given by :

4s = 10.7, s is side

s = 2.675 ft

Now the volume of pyramid is given by :

$V=\dfrac{lbh}{3}\\\\=\dfrac{2.675^2\times 9.8}{3}\\\\V=23.37\ ft^3$

So, the volume of the pyramid is equal to $23.37\ ft^3$ .

4 0

2 years ago

jen thought of a number. she called her number k. she subtracted 34 from her number, multiplied the result by 9, and she got 72.

sattari [20]

(k - 34) x 9 =72
k - 34 = 72/9
k - 34 = 8
k = 8 + 34
k = 42

5 0

2 years ago

A culture of yeast doubles in size every four hours. If the yeast population is estimated to be three million now, what will it

Bess [88]

It doubles every 4 hours, so after 24 hours there will be 6 doublings.
2^6 = 64
So, the population will be (3,000,000 * 64) or 192,000,000 in 24 hours.
The answer is B.

4 0

3 years ago

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