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trasher [3.6K]
3 years ago
7

7b divided by 12 = 4.2 what does b equal

Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0
It is 0.35 That is the answer.

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A medical researcher needs 37 people to test the effectiveness of an experimental drug. If 101 people have volunteered for the t
Rashid [163]

Answer:

The number of ways to select 37 people from 101 is, 5,397,234,129,638,871,133,346,507,775.

Step-by-step explanation:

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!\cdot (n-k)!}

Compute the number of ways to select 37 people from 101 as follows:

{101\choose 37}=\frac{101!}{37!\cdot (101-37)!}

        =\frac{101!}{37!\times 64!}\\\\=\frac{101\times 100\times 99\times....64!}{37!\times 64!}\\\\=5397234129638871133346507775

Thus, the number of ways to select 37 people from 101 is, 5,397,234,129,638,871,133,346,507,775.

5 0
2 years ago
What is 913 rounded to the nearest hundred
mixer [17]
If i mean .913 then .91 but if u wrote it correctly then 900
8 0
3 years ago
PLEASE HELP I WILL GIVE BRAINLIEST
MA_775_DIABLO [31]

Answer:

The answer is 1\frac{1}{2}

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
3)
Naddika [18.5K]

Answer: 1/5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help! Question Down below.
Luden [163]

Answer:

17.5 i think

Step-by-step explanation:

2+3+1.5+2+9=17.5

6 0
3 years ago
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