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3 years ago

Solve the following equation: 10 = -4 x

Mathematics

1 answer:

defon3 years ago

5 0

I think it's x= -2.5

10/-4= -4x/-4

You need to get x by itself so you need to divide 4 in each side . Shown above

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The volume of a cone is represented by the formula V = 1 T?n. If the volume of a cone is 30rt and the height is 2.5, what is the

Airida [17]

Answer:

radius is 3.38cm

Step-by-step explanation:

Note: the volume of a cone is given as

$V= 1/3 \pi r^2 h$

Step one:

Given Information

volume= 30cm^3

height= 2.5cm

Required

The radius of the cone

Step two:

substituting our data into the expression for the volume of a cone we can then solve for the radius r

$30=1/3 *3.142*r^2 * 2.5\\\\30=1/3*7.855r^2\\\\30=2.62r^2\\\\$

divide both sides by 2.62

$30/2.62= r^2\\\\11.45= r^2\\\\r=\sqrt{11.45} \\\\r=3.38cm$

7 0

3 years ago

Write the expanded form and standard form of this number in the box below:

MrMuchimi

Answer:

4,567,9361

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Find the slope of the line that passes through (2, 5) and (6,4).

ElenaW [278]

Answer:

The slope of the line is $\frac{1}{-4}$ .

Step-by-step explanation:

We use the formula change in y over change in x to find the slope:

$\frac{5-4}{2-6}$

Then we simplify:

$\frac{1}{-4}$

The slope of the line is $\frac{1}{-4}$ .

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3 years ago

If x is Equal to 7, what is 7 divided by 3 and round it up

VikaD [51]

Answer:

2.3 or 2

Step-by-step explanation:

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3 years ago

How do i turn standard form into slope intercept?

Jlenok [28]

Write it in y= mx+b form. Subtract 5x from both sides to get 4y = -5x + 100. Divide by 4 so the answer would be y= -5/4x + 25.

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3 years ago