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dlinn [17]
3 years ago
8

Which inequality best represents that ice cream at −5°C is cooler than ice cream at 4°C?

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0
The answer should be C because -5 is less than 4.

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Explain why three-dimensional graphs can be misleading. What would be a better type of graph to
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three-dimensional graphs wouldn´t give you the right information but two-dimensional graphs would give you the actual size of the shape.

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You have 54 pictures to put in a photograph album. Each page of the album holds 4 pictures. How many pages can you fill?
gregori [183]

Answer:

You can fill 13.5 pages

Step-by-step explanation:

You would do 54 divided by 4 equals 13.5

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PLS HELP MEEEEE 1. An Amazon packaging plant can ship 315 packages in 7 hours. What is the constant of
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45 packages are shipped in one hour. I divided 315 by 7
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3 years ago
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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

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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

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k=24

6 0
2 years ago
What's the Answer ~ <br><br><img src="https://tex.z-dn.net/?f=%20%5Csf%20%5Ctiny%7B14%20%20%2B%20%2014%20%5Cdiv%207%7D" id="TexF
butalik [34]

Step-by-step explanation:

remember the priorities of the different mathematical operations

1. brackets

2. exponents

3. multiplications and divisions

4. additions and subtractions

so,

14 + 14/7 = 14 + 2 = 16

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2 years ago
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