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Andre45 [30]
3 years ago
10

Solve both of the fields. First correct answer gets brainliest and 5 stars with 1 thanks

Mathematics
1 answer:
juin [17]3 years ago
8 0

Answer:

Step-by-step explanation:

f(1)=45*4/5

=9*4

=36

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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.

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2 years ago
Identify the domain of the function shown in the graph. HELP​
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A is the answer domain is the x
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3 years ago
Given that sine= 21/29, what is the value of cos 0, for 0° <0<90°? A -square root of 20/29 B -20/29 C 20/29 D square root
Stolb23 [73]

Answer:

Step-by-step explanation:

sin=y/r

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x^2+441=841

x=sqrt(841-441)

x=20

cos=20/29

                       

  Only              |

   sin +             |     All Positive

---------------------|-------------------

           only      |    Only cos +

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Answer: 38Men

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Step-by-step explanation:please see attachment for explanation

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2 years ago
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PLEASE I NEED IT ASAP<br><br> find the value of t if t - 7 = 12
mart [117]
T= 19!! Hope this helped mark me brainliest ?? 19-7=12
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3 years ago
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