3 years ago

I will give BRAINLIEST and 20 points answer it.

Mathematics

1 answer:

Lostsunrise [7]3 years ago

6 0

Answer:

Step-by-step explanation:

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120 pianists compete in a piano competition. (a) In the first round, 30 of the 120 are selected to go on to the next round. How

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Answer:

Step-by-step explanation:

Given

There are 120 Pianist in a competition

(a)In first round 30 pianist is selected

this can be done in $^{120}C_{30} ways$

$=\frac{120!}{(120-30)!30!}$

$=\frac{120!}{90!30!}$

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Ernesto has $70 in a savings account. The interest rate is 5%, compounded annually. To the nearest cent, how much will he have i

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Answer: $81.03

Step-by-step explanation:

The interest is compounded annually which means that the future value formula applies:

Future value = Amount * ( 1 + rate) ^ number of years

Amount = $70

Rate = 5%

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In 3 years, Ernesto will have:

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lara [203]

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Step-by-step explanation:

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After Hillary realized her clock was running 30 minutes fast, she used a knob on the clock to turn the minute hand back 30 minut

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Counterclockwise rotation

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It’s counter clockwise rotation because The clock was 30minutes faster , so she turned the minute hand backwards to correct the clock. Counterclockwise is opposite of clockwise

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Read 2 more answers

How do you do this?

Alenkasestr [34]

Answer:

by increasing the size ez

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