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2 years ago

Jody practiced a piano piece for 500 seconds bill practiced a piano piece for 8 minutes who practiced longer explain

Mathematics

1 answer:

Mrac [35]2 years ago

7 0

Answer:

Jody

Step-by-step explanation:

You can either convert 500 seconds to minutes or 8 minutes to seconds to compare. I'll do both.

There is 60 seconds in a minute. To find the total minutes of 500 seconds, divide 500 by 60 → 8.3, which means that Jody practiced for 8.3 minutes.

To find the total seconds of 8 minutes, multiply 60 seconds per minute by 8 minutes → 60 * 8 = 480 seconds which means that Bill practiced for 480 seconds.

Now you can compare. Jody practiced for 500 seconds, or 8.3 minutes. Bill practiced for 480 seconds, or 8 minutes. Jody practiced longer.

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Anna put $500 into a savings account and made no more deposits or withdrawals. The account earns 2% simple interest per year. Ho

castortr0y [4]

Answer:

$552.04

Step-by-step explanation:

Lauren, use the compound amount formula: A = P(1 + r)^n.

Here P is the principal and is $500; r is the annual interest rate as a decimal fraction, and n is the number of years.

After 5 years, Anna will have: $500(1 + 0.02)^5 = $552.04

4 0

3 years ago

A landing pad for a helicopter is in the shape of a circle with a radius of 7 meters. Which of the following is closest to the a

ANTONII [103]

Answer:

The approximate value of the area is $153.86\ m^{2}$

Step-by-step explanation:

we know that

The area of the circle (landing pad) is equal to

$A=\pi r^{2}$

we have

$r=7\ m$

substitute

$A=\pi (7)^{2}$

$A=49\pi\ m^{2}$ ----> exact value of the area

Find the approximate value

assume $\pi=3.14$

$A=49(3.14)=153.86\ m^{2}$ ------> approximate value of the area

5 0

2 years ago

Read 2 more answers

the length of a picture frame is (8 u - 12) inches its width is 3/4 of its length. Express the width of the picture frame in ter

levacccp [35]

Which set of ordered pairs contains only points that are on the graph of the function y=12-3×?

5 0

3 years ago

252 calories in 4 servings is how many calories per serving?

Lelu [443]

Answer:

63 calories

Step-by-step explanation:

Divide the number of calories by the number of servings

calories/servings

252/4

So, there are 63 calories per serving

Hope this helps!

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3 years ago

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Write the equation of a line that is perpendicular to y = 5 and that passes through the point (-7,-5).

Alik [6]

Answer: x = -7

Step-by-step explanation:

x = -7 will be a vertical line passing through all y values, and perpendicular to y = 5

The attached graph shows the lines and the point.

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3 years ago