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2 years ago

Help me plz: 8. Multiply the following: c. (3s^4)(-6s^5)

Mathematics

2 answers:

topjm [15]2 years ago

8 0

Answer:

I believe the answer is -18s^9

ratelena [41]2 years ago

6 0

Answer:

-18 s9

Step-by-step explanation:

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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

How do you solve this using a picture and the work?

hoa [83]

Okkk so u need to use the Pythagorean Theorum.
$a x^{2} +b x^{2} =c x^{2}$

a=x
b=1
c=5

so...
$c x^{2} -b x^{2} =a x^{2}$

$5 x^{2} -1 x^{2} =a x^{2}$

Solve that

4 0

2 years ago

It took Fran 1.8 hours to drive to her mother's house on Saturday morning. On her return trip on Sunday night, traffic was he

cupoosta [38]

Answer:

54 mph

Step-by-step explanation:

Let s represent the slower speed. The product of speed and time is distance, which did not change between the two trips. So, we have ...

1.8(s +6) = 2(s)

10.8 = 0.2s . . . . eliminate parentheses, subtract 1.8s

54 = s . . . . . . . . divide by 0.2

Fran's average speed on Sunday was 54 miles per hour.

____

Her trip was 108 miles long.

7 0

3 years ago

What is the measure of the missing angle? A. 120 B. 100 C. 40 D. 80

VARVARA [1.3K]

B, because 40 and 40 make 80 and 180-80=100<span />

3 0

3 years ago

A lady walks into a store and steals $100 from the register without the owners knowledge. She comes back 5 minutes later and buy

Natali5045456 [20]

Answer:

$100

Step-by-step explanation:

she bought food using that money, 70$ worth of it plus she still has 30

7 0

2 years ago

Read 2 more answers