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sdas [7]
3 years ago
6

Which of the following is not a true statement about proportional graphs?

Mathematics
1 answer:
bekas [8.4K]3 years ago
6 0
It’a b alll of proportional graph have straight lines
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A trainer takes a survey of all the athletes in a school about their height, rounded to the nearest inch, and their grade level.
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Answer:

This is funtction cause the trainer took a survey and rounded to the nearest inch to find how tall his students are

Step-by-step explanation:


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the distance between City A and B is 250 Miles. On a certain wall map this is represented by a length of 1.9 ft. On the map how
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2.66 ft

Step-by-step explanation:

250/1.9=.0076

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Lex is at the mall, which is 8 miles from his house. Lex walks home at a constant rate of 2 miles an hour.
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4 years ago
Can u help me on number 16? PLEASE!!!!!!!
ladessa [460]

Sure !

At 5 PM, it was 7.1° . 

Then the sun went down, a cold front moved in,
and the temperature started dropping.

It dropped from  7.1° down to zero, and it didn't stop there.
It kept on dropping some more.

After it went down to zero, it dropped another  10.3°  .

All together, it dropped  7.1°  plus  10.3° . 
3 0
3 years ago
A cone shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to half its height, wh
monitta

Answer:

The portion of the volume of the cup that is filled with water is \frac{1}{8}

Step-by-step explanation:

step 1

Find the volume of the paper water cup

The volume of the cone is equal to

V=\frac{1}{3}\pi r^{2}h

we have

r=6\ cm

h=12\ cm

substitute

V=\frac{1}{3}\pi (6)^{2}(12)

V=144\pi\ cm^{3}

step 2

If the cup is filled with water to half its height, find out what portion of the volume of the cup is filled with water

Remember that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

In this problem the similar cone has half the height of the complete cone

so

The scale factor is equal to 1/2

therefore

The volume of the cup that is filled with water is equal to the volume of the complete cup by the scale factor elevated to the cube

V=(1/2)^{3}(144\pi)=(1/8)144\pi\ cm^{3}

therefore

The portion of the volume of the cup that is filled with water is

\frac{1}{8}

8 0
3 years ago
Read 2 more answers
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