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Alik [6]
3 years ago
8

Find the volume of a hemisphere whose radius is 7.5

Mathematics
1 answer:
Ivahew [28]3 years ago
4 0
The answer is 1767.16 ;)
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What is the equation of a parabola whose vertex is at the origin and whose directrix is y = 3?
frutty [35]

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3 years ago
Find the value of X below
KatRina [158]
The answer should be x=100
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2 years ago
Write an equation for the line that is parallel to y = 2x + 6 and passes through (-1,5).
Fantom [35]

Answer:

y=2x+7

Step-by-step explanation:

A linear equation is typically organized in the form y=mx+b, where m is the slope of the line and b is the y-intercept (the y-coordinate of the point on the line that crosses the y-axis).

Parallel lines <em>always</em> have the same slope. When we examine the given equation, y=2x+6, we can identify immediately that 2 is in the place of m, the slope. This means that the slope of the line we're trying to solve for is also 2. So far, our equation looks like this:

y=2x+b

The last thing we need to calculate is b, the y-intercept. We can do this by plugging in the given point (-1,5) as x and y.

y=2x+b

5=2(-1)+b

5=-2+b

Add 2 to both sides to isolate b

5+2=-2+b+2

7=b

Now that we know b, we plug that into our original equation and now we have a final equation of:

y=2x+7

I hope this helps!

6 0
3 years ago
The mean of the numbers 15,21,17,26,18 and 29 is 21. Calculate the standard deviation. <br>​
kherson [118]

Answer:

4.62910049578

Step-by-step explanation:

variation is standard deviation squared

variance = 21.428571428571

square root variance for answer.

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Which ordered pair is a solution to the system of equations?
emmainna [20.7K]

Answer: B(7, – 5)

Step-by-step explanation:

4 0
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