4 years ago

Mathematics help please!!

1 answer:

3 0

D no solution at least there shouldnt be because when 5 is square rooted times itself it would equal 5 and then adding a variable would make it higher, so d no solution

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What is the measure in degree of an angel that represents 50/350 of a circle

lawyer [7]

Answer:

do you mean 50/360? if 50/360 it is 50 degrees

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7 0

4 years ago

John bought 25kg of rice he used 1 3/4 kg on the first day and 4 1/2 on the second day. Find the remaining quantity of rice left

otez555 [7]

Answer:

18 3/4 kg of rice

Step-by-step explanation:

<u>Start</u>

John has 25 kg of Rice

He uses 1 3/4 kg of rice
25 - 1 3/4 = 23 1/4 kg remaining

He uses 4 1/2 kg of rice
23 1/4 - 4 1/2 = 18 3/4 kg of rice

18 3/4 kg of rice

3 0

2 years ago

Read 2 more answers

Suppose we want to choose 7 colors, without replacement, from 9 distinct colors

Digiron [165]

The number of ways to choose the colors is 36

<h3>How to determine the number of ways?</h3>

The given parameters are:

Colors = 9

Colors to choose = 7

Since order does not matter, then it is combination

This is calculated using:

$^nC_r = \frac{n!}{(n - r)!r!}$

This gives

$^nC_r = \frac{9!}{7!2!}$

Evaluate

$^nC_r = 36$

Hence, the number of ways is 36