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2 years ago

Mrs. White ordered 6 large boxes and 9 small boxes of crayons for the school art classes. Each large

Mathematics

2 answers:

Natasha_Volkova [10]2 years ago

6 0

I would say b or c

Hope this kinda helps you

kati45 [8]2 years ago

5 0

Answer: around 1,800 crayons.

Step-by-step explanation:

I think Im correct this time.

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Simplify (9x^3+2x^2-5x+4)-(5x^3-7x+4)

svlad2 [7]

This is the answer ^^^^^

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2 years ago

The lengths of the sides of a triangle are 17, 8 and n. Which of the following must be true

Taya2010 [7]

N is either 17 or 8.

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3 years ago

What is the volume (in cubic units) of a sphere with a radius of 18 units? Assume that π = 3.14 and round your answer to the nea

Nataly [62]

Answer:

The volume of sphere is $24416.64\ cm^3$ .

Step-by-step explanation:

We have,

Radius of a sphere is 18 units.

It is required to find the volume of sphere.

The formula of the volume of sphere in terms of radius is given by :

$V=\dfrac{4}{3}\pi r^3$

Plugging all values in above formula

$V=\dfrac{4}{3}\times 3.14\times (18)^3\\\\V=24416.64\ cm^3$

So, the volume of sphere is $24416.64\ cm^3$ .

7 0

2 years ago

A won a race at the local fair by running 10.5 miles in exactly 2 hours. At this constant rate, how long does it take the same

Luba_88 [7]

Answer:

The dog will run the 21-mile race in 4.04 hours

Step-by-step explanation:

The first thing we need to do is find out how far he ran the race at the local fair in 1 hour.

To do this, we can set up a simple relationship:

If he ran 10.5 miles in 2 hours,

He will run x miles in 1 hour

Cross multiplying, we have

x = (10.5 X 1)/2 = 5.25 miles in 1 hour.

We can now comfortably say that he runs at the rate of 5.2miles/hr

He now goes to the state fair race, which is 21 miles long.

if he runs at the rate of 5.2 miles in 1 hour,

He will run 21 miles in y hours

y = 21 / 5.2 = 4.04 hours

The dog will run the 21-mile race in 4.04 hours

3 0

2 years ago

Which of the following is equivalent to xy3z2 + y2z + xyz when it is completely factored?

juin [17]

xy³z² + y²z + xyz =
yz(xy²z + y + x)

Answer: C.

3 0

2 years ago