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Mandarinka [93]
3 years ago
6

Answers and the top is to read it pls help for BIG BRAIN!

Mathematics
2 answers:
Rzqust [24]3 years ago
8 0
B-4 because your subtracting the number of books read.
Nata [24]3 years ago
4 0

Answer:

C. b-4

Step-by-step explanation:

The number -4 shouldn't change since she read 4 fewer books

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The answer is 0.084.
8 0
4 years ago
a cone with a radius of 3” has a total area of 24pie square inches. Find the volume of the cone. 12pie, 24 pie or 15 pie
Ratling [72]

Answer:

12\pi (inches)^{2}

Step-by-step explanation:

Given:

radius of cone = 3 inch

Total area of cone = 24\pi (inch)^{2}

Find the volume of the cone?

We know the area of cone = \pi r(r+s) -------(1)

Where r = radius

Ans s = side of the cone

Put the area value in equation 1

24\pi=\pi r(r+s) -------(1)

\frac{24\pi }{\pi r} =r+s

\frac{24}{ r}-r =s

Put r value in above equation.

s =\frac{24}{ 3}-3

s=8-3

s=5

The side s = 5 inches

We know the side of the cone formula

s^{2}=r^{2}+ h^{2}

h^{2}=s^{2}- r^{2}

Put r and s value in above equation.

h^{2}=5^{2}- 3^{2}

r^{2} = 25-9

r^{2} = 16

r = 4

The volume of cone is

V = \frac{1}{3} \pi r^{2} h

Put r and h value in above equation.

V = \frac{1}{3} \pi (3)^{2}\times 4

V = 12\pi (inches)^{2}

The Volume of the cone is 12\pi (inches)^{2}

7 0
3 years ago
John purchased a carr in 1961 for $12,000. Experts estimate that its value will increase by 5% per year. How much will be the co
GuDViN [60]

Answer:

A- 35103$

Step-by-step explanation:

6 0
4 years ago
12 + 4x = 6x + 10 - 2x
marysya [2.9K]
Whats ur question? Are u trying to figure out x ?
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Trevor is swimming laps to raise money for the local food bank. He earns $1.85 per lap and has already swum 23 laps.
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