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PilotLPTM [1.2K]
3 years ago
6

Which one is greater -8.652 or -7.045

Mathematics
2 answers:
miv72 [106K]3 years ago
6 0

Answer:

-7.045 is greater

Step-by-step explanation:

Because -7.045 is closer to 0

miskamm [114]3 years ago
4 0

Answer:

-7.045

Step-by-step explanation:

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The right answer is
0.627
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What is the first error he made in computing the standard deviation?
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B.yuri divided by n instead of n-1
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Darien is discounting all prices on the sales for 20%. Which expression below represents the price, p, of any item he marks down
Dominik [7]

Answer: C. 0.8p

Step-by-step explanation:

Since Darien is discounting the prices by 20%, the new price will be 80% of the original price, or 0.8 times the original price

7 0
2 years ago
1<br>Determine the value of k if g(x)=4x+k is a tangent to f(x)=-x²+8x+20​
tangare [24]

Answer:

k=24

Step-by-step explanation:

The tangent of the function f at x=a, can be found by differentiating f w.r.t. x and then replacing x with a.

f=-x^2+8x+20

Differentiating both sides:

f'=(-x^2+8x+20)'

By sum rule:

f'=(-x^2)'+(8x)'+(20)'

By constant multiple rule:

f'=-(x^2)'+8(x)'+(20)'

By constant rule:

f'=-(x^2)+8(x)'+0

By power rule:

f'=-2x+8

f' at x=a is -2a+8

This is the slope of any tangent line to the curve f.

The slope of g is 4 if you compare it to slope intercept form y=mx+b.

So we gave -2a+8=4.

Subtracr 8 on both sides: -2a=-4

Divide both sides by -2: a=2

The tangent line to the curve at x=2 is y=4x+k.

To tind y we must first know the y-coordinate of the point of tangency.

If x=2, then

f(2)=-(2)^2+8(2)+20=-4+16+20=12+20=32

So the point is (2,32).

g(x)=4x+k and we know g(2)=32.

This gives us:

32=4(2)+k

32=8+k

k=32-8

k=24

6 0
2 years ago
Please help me solve this problem ASAP
Setler [38]
Find the height of it with pythagoras
Root(100-36)=8
Volume = 1/3 pi r^2 h
1/3(36pi x 8)
=96pi
about 301.59ft^3
3 0
2 years ago
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