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3 years ago

Which choice is false?

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

3 0

Answer:

Step-by-step explanation:

The section of the pie chart that represents music practice is a little smaller than the section representing surfing the web, meaning <em>less</em> time is spent practicing music. Therefore, choice C is false.

I hope this helps!

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Bobby wants to go on a school trip that will cost him $250. He comes up with an equation that represents how much he needs to sa

monitta

Yes, Bobby will have enough money if he saves for 9 weeks. You can find this through either substituting w for 9 in the equation, or solving the equation itself.

Substituting:

$25(9)+30$
Substitute w for 9.

$225+30$
Simplify.

$225+30=255$
Solve.

255 is greater than 250, so yes, he will have enough money saved.

Solving the equation:

$25w+30=250$
Original Equation

$25w=220$
Subtract 30 from both sides.

$w=8.8$
Divide both sides by 25.

The number of weeks he needs is 8.8. When rounding it up, you get 9.

4 0

3 years ago

Every 24 hours, the earth rotates 360° about its axis. How

Usimov [2.4K]

360 degrees / 24 hours = 15 degrees per hour

150 degrees / 15 degrees per hour = 10 hours

Answer: 10 hours

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2 years ago

In horizontal analysis the percent change is computed by: a. Subtracting the analysis period amount from the base period amount.

Sonja [21]

Answer:

b. Subtracting the base period amount from the analysis period amount, dividing the result by the base period amount, then multiplying that amount by 100%

Step-by-step explanation:

A percentage change can be computed from ...

((new amount) -(old amount))/(old amount) × 100%

This best matches the description of choice B.

_____

<em>Comment on the answer</em>

The formula offered in the question will show the "percent change" from 100 to 103 as 3. It is not 3; rather, it is 3%. The final multiplication must be by 100% in order to arrive at the proper number.

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4 years ago

Use compatible numbers to estimate the quotient 2,545÷4

victus00 [196]

Answer:

600

Step-by-step explanation:

round 2,545 to 2,400 and keep 4 the same because 24 goes into 4 six times so 2400/4 equals 600

24/4 is 6 and you add the two zeros

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3 years ago

Help me with hanger math...

andrew11 [14]

The answer is 3 First you subtract 2 from 17 and then you divide 15 by 5 to get the answer of 3

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3 years ago