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azamat
3 years ago
7

An experiment involves 30 participants. From these, a group of 4 participants is to be tested under a special condition. How man

y groups of 4 participants are possible?
Mathematics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

7

Step-by-step explanation:

7*4=28 which is the closest u can get to 30 with out going past it

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Step-by-step explanation:


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What is the mode of the following numbers?
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A clogged bathtub drains at a constant rate. The amount of water in the bathtub changes by –3.75 gallons in one hour. What is th
IRINA_888 [86]

Change in the amount of water in the bathtub after -48.75 gallons. Negative sign means water get reduce by 48.75 gallons in bathtub.

<h3><u>Solution:</u></h3>

Given that

A clogged bathtub drains at a constant rate.

The amount of water in the bathtub changes by –3.75 gallons in one hour.

Need to determine change in the amount of water in the bathtub after 13 hour.

Change in amount of water in bathtub in one hour = -3.75 gallons  

As given that clogged bathtub drains at a constant rate, so  

Change in amount of water in bathtub in 13 hours = 13 x Change in amount of water in bathtub in 1 hours

=> Change in amount of water in bathtub in 13 hours = 13 x ( -3.75 ) = -48.75 gallons

Hence change in the amount of water in the bathtub after -48.75 gallons. Negative sign means water get reduce by 48.75 gallons in bathtub.

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3 years ago
I need some help please
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The biggest zucchini from Joe's farm is 2 pounds, which is 1
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