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mamaluj [8]
3 years ago
9

When the function y=x is changed to y=|x|, how is the graph affected?

Mathematics
1 answer:
sergejj [24]3 years ago
5 0

Answer:

First, the function:

y = x

Is:

Positive if x > 0

Negative if x < 0

Now, on another hand, the function y = IxI is:

Positive if x < 0

Positive if x > 0.

Then the only part that changes is the negative side of the domain, and the thing that changes is the sign (the change of sign is equivalent to a reflection over the x-axis or the line y = 0".

Then the correct option is:

"All points for x < 0 are reflected over the x-axis"

I suppose that this is option C, the missing one.

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irina1246 [14]
Volume of the cone:
V = 1/3 r² π h
If we double the radius:
V 1 = 1/3 ( 2 r )² π h = 4 · 1/3 r² π h
V 1 = 4 V
Answer: the volume becomes 4 times larger.
8 0
3 years ago
Two fifth graders solved 400,000 divided by 800. Carter said the answer is 500, while Kim said the answer is 5,000.
mestny [16]

Answer:

a. Carter is correct. (See explanation).

b. The quotient is 500 (The quotient of 400,000 divided by 800 and the quotient of  is 4,000,000 divided by 8,000 are equal).

Step-by-step explanation:

a. Carter is correct.

The dividend 400,000  and the divisor 800 have two zeros in common, so we can eliminate those zeros. Then:

4,000\div8

We know that the quotient obtained by dividing 40 and 8 is 5:

40\div8=5

 Since4,000 has two more zeros than 40, we must place two zeros in the quotient. Then:

=500

b. The dividend 4,000,000  and the divisor 8,000 have three zeros in common, so we can eliminate those zeros. Then:

4,000\div8

Notice that this is the same as the exercise "a". So the quotient will be the same.

Let's check. We know that:

40\div8=5

 Since4,000 has two more zeros than 40, we must place two zeros in the quotient. This is:

=500

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3 years ago
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C maybe I think I’m not sure
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Answer:

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- Brainliest if this was helpful :)

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A pile of sand has a weight of 90 kg. The sand is put into a small bag,a medium bag and a large bag in the ratio 2 : 3 : 7. What
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Hi there:)
Total ratio
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Hope it helps
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3 years ago
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