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prohojiy [21]
3 years ago
12

Joel took of an hour to do his chores. It took Halley the time it took Joel to do his chores.

Mathematics
1 answer:
Luden [163]3 years ago
4 0
So it only took halley a half an hour (30 minutes) to do her chores. 
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lubasha [3.4K]

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Answer:

  C.  jump discontinuity at x=-2

Step-by-step explanation:

At x=-2, you have to lift your pencil to keep drawing the graph. That means there's a jump discontinuity there.

This function has a jump discontinuity at x = -2.

__

<em>Additional comments</em>

At x=3, there is no discontinuity in the function. The <em>derivative</em> of the function has a discontinuity there, as there is an abrupt change in slope at that point.

If left and right limits exist and are the same at a point, but the graph is not defined at that point, then a <em>removable</em> discontinuity exists. All that is needed to fill the hole is to define the function at that point.

8 0
3 years ago
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Rasek [7]

Answer:

67.5?

Step-by-step explanation:

the top two looked like the same degree so solve 2x+10=145 ig

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3 years ago
Polygon Y is a scaled copy of Polygon X using a scale factor of \dfrac13 3 1 ​ start fraction, 1, divided by, 3, end fraction. P
emmainna [20.7K]

Answer:

Polygon Y's area is one ninth (1/9) of Polygon X's area

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

In this problem

Let

z-----> the scale factor

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z=\frac{1}{3}

substitute

(\frac{1}{3})^{2}=\frac{a}{b}

\frac{1}{9}=\frac{a}{b}

a=\frac{1}{9}b

therefore

Polygon Y's area is one ninth (1/9) of Polygon X's area

8 0
3 years ago
Tyler has 3 times as many books as Mai.
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Answer:

a. x divided by 3

Step-by-step explanation:

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What percent of x is y <br>Please Help!
lana66690 [7]

Answer:

10 percent

Step-by-step explanation:

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3 years ago
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