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Leokris [45]
3 years ago
5

Which of the following statements are true about the equation below?

Mathematics
2 answers:
dangina [55]3 years ago
8 0
The correct answer is 5
seropon [69]3 years ago
5 0
#5 and #1 and #2 are correct 


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Consider a solid spherical ball made of wood. Suppose a hole is bored (drilled) vertically through the center of the ball and th
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Answer:

The volume of solid is 268.08 inches cube.

Step-by-step explanation:

The solid spherical ball has height 8 inches that means the diameter of the sphere is 8 inches. So, the radius will be the half of diameter. Thus, radius is 4 inches.

Now use below formula to find the volume of solid sphere.

Volume = \frac{4}{3}\pi r^{2} \\Volume = \frac{4}{3}\pi (4)^{2} \\Volume = 268.08 \ in^{3}

Therefore, the volume of solid is 268.08 inches cube.

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suppose the commute times for employees of a large company follow a normal distribution. if the mean time is 18 minutes and the
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Step-by-step explanation:

Hopefully I am right

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3x^2 -5x -2=0
Kipish [7]

Answer:

Step-by-step explanation:

1. Find two numbers that add to make the coefficient of x (in this case, -5) and that multiply to make the constant term multiplied by the coefficient of x^2 (in this case, -2 x 3 = -6)

Two numbers that work are -6 and +1

-6 x +1 = -6

-6 + -1 = -5

2. Split the middle term into the two numbers that you found.

3x^2 -6x +x -2 = 0

I've put the -6 on the left side because in our next step, when we factorise, it will be easier than having the numbers the other way around.

3. Factorise the left side by taking out common factors from each pair. The pairs I'm talking about here are '3x^2 and -6x', and 'x and -2'

3x (x-2) +1 (x-2) = 0

4. You now have two numbers both being multiplied by the term x-2. We can rearrange this equation to give us two brackets being multiplied by each other.

(3x + 1) (x-2) = 0

5. According to the Null Factor Law, if two terms are multiplied together and the result is 0, then one of those terms must be 0. Make both terms equal to 0 and solve each for x.

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3x = -1                   x = 2

x = -1/3

6. The solutions to this equation are x = 2 and x = -1/3

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358.833333333:

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Find the measure of the indicated angle
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Add them together and find x :)
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