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3 years ago

Use 1-2 complete sentences to explain why the following statement is false:

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

8 0

Answer:

See the diagram for understanding

Step-by-step explanation:

Suppose the woman at point A and moves towards east . But the point A is at the south and she is moving upwards towards east according to the compass. That is why this statement is incorrect .

In the compass it would be east but she has to move north to reach east. There's a difference between the actual position the direction of movement of the person to reach that position.

This is better explained by the following diagram.

Now we can see she will move along line B , C and D to reach east which are actually to the north of her position. So the given statement is false.

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If 3/4 of the class likes soda and 3/5 of those who like soda prefer Coke, what PERCENT of the whole class that likes Coke?

katen-ka-za [31]

Answer:

For soda =3/4

For coke= 3/5 X 3/4=9/20

Whole class is 1....

Therefore X% of 1 =9/20

Solving :

X/100 X 1 =9/20

X/100=9/20

20X =900

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3 years ago

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Step-by-step explanation:

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2 years ago

Read 2 more answers

What is 1,000 to the power of 4?

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The answer to what is 1,000 to the power of 4 is 1,000,000

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3 years ago

George observes that for every increase of 1 in the value of x, there is a increase of 60 in the corresponding value of y. He cl

Brums [2.3K]

Hi there!

FACTS :

To see if multiple ratios are proportional, you can write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportionnal ratios. You can also write them as fractions and divide the numerator (top number) by its denominator (bottom number), and compare the decimal numbers the same way you would compare the fractions (I personnaly find this method easier because you don't need to simplify the fractions).

STEPS TO ANSWER:

x = 1 ; y = 90 → $\frac{1}{90} =$ 1 ÷ 90 = 0.01111111...

x = 2 ; y = 150 → $\frac{2}{150} =$ 2 ÷ 150 = 0.0133333...

x = 3 ; y = 210 → $\frac{3}{210} =$ 3 ÷ 210 = 0.01428571

x = 4 ; y = 270 → $\frac{4}{270} =$ 4 ÷ 270 = 0.0148148...

x = 5 ; y = 330 → $\frac{5}{330} =$ 5 ÷ 330 = 0.01515152

** You didn't really need to calculate them all because even the first two decimal numbers weren't equivalent, but I wanted to show you the whole process so I calculated them all.

⇒ If you compare all the decimals you got, you can easily see that they are not the same, which means that the ratios between the values of "x" and the values of "y" are not proportional. Therefore, George's reasoning wasn't good.

There you go! I really hope this helped, if there's anything just let me know! :)

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3 years ago

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