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3 years ago

What is the the solution to -2(8x-4) < 2x+5

Mathematics

2 answers:

Kamila [148]3 years ago

8 0

The solution will be x>1/6

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

The solution will be x>1/6

Step-by-step explanation:

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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

1. (5x2-2x+3) + (x2+x+2)

antiseptic1488 [7]

The answer is: x^2-x+15

3 0

3 years ago

Find the mean of the given data set: (12, 2, 6, 3, 3, 19)

Savatey [412]

Answer:

Step-by-step explanation:

hope this helps you

4 0

3 years ago

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What is equivalent to 4(2+x)

Darina [25.2K]

Answer:

4x+8

Step-by-step explanation:

6 0

3 years ago

Solve for x. <br> 3x+7 = -x-1

alekssr [168]

Answer: x = -2

Step-by-step explanation: 3x+7 = -x-1; add 1 to both sides: 3x+8=-x; subtract 3x from both sides: 8 = -4x; divide by -4 on both sides: -2 = x

4 0

3 years ago