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icang [17]
3 years ago
8

Textbook search committee is considering 13 bucks for possible adoption committee has decided to select six of the 13 for furthe

r consideration and how many ways can I do so
Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0
Here is a simple way we can do this.
We have six blanks.
__ __ __ __ __ __

Now, we have 13 possible options to fill in blank number one.
13 __ __ __ __ __

Now we have 12 possible options to fill in blank number two because one person has already been chosen.
13 12 __ __ __ __

Now we have 11 possible options for blank number three.
13 12 11 __ __ __

Now we have 10 possible options for blank number four.
13 12 11 10 __ __

And so forth until we get:
13 12 11 10 9 8

Now we just have to multiply the numbers all together.
13 * 12 * 11 * 10 * 9 * 8
is equal to:
1235520 ways.
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It is important to conduct multiple trials because _____.
Lubov Fominskaja [6]

Answer:

B. it makes your results more convincing

Step-by-step explanation:

A scientific experiment involves the replication and repetition of the experiment. Repetition or conducting the multiple trials of the experiment is very crucial for a scientific experiment.

The experiment is performed to understand and explain the natural phenomenon and the repetition of the experiment ensures that the results obtained from these trials are efficient either to support the hypothesis or to disprove the hypothesis.

Experimenting with multiple trials removes the chances of errors in the experiment, increases the efficiency and strengthens the results to prove or disprove the hypothesis. In other terms, it can be said that it makes the results more convincing.

Thus, Option-B is the correct answer.

7 0
3 years ago
()) A 6-pack of granola bars costs $2.16. What is the unit price?<br> per bar
ra1l [238]

Answer:

$0.36

Step-by-step explanation:

$2.16 / 6 = $0.36

7 0
3 years ago
Find the area of the surface. the part of the surface y = 5x + z2 that lies between the planes x = 0, x = 1, z = 0, and z = 1.
Alex787 [66]

Parameterize the part of the surface we care about, denoted \mathcal S, by

\mathbf r(u,v)=\langle u,5u+v^2,v\rangle

with 0\le u\le1 and 0\le v\le1.

Then

\|\mathbf r_u\times\mathbf r_v\|=\|\langle5,-1,2v\rangle\|=\sqrt{4v^2+26}

The area is given by the surface integral

\displaystyle\iint_{\mathcal S}\mathrm dS=\int_{v=0}^{v=1}\int_{u=0}^{u=1}\|\mathbf r_u\times\mathbf r_v\|\,\mathrm du\,\mathrm dv

=\displaystyle\int_{v=0}^{v=1}\sqrt{4v^2+26}\,\mathrm dv=\sqrt{\dfrac{15}2}+\dfrac{13}2\sinh^{-1}\sqrt{\dfrac2{13}}

7 0
4 years ago
QUICK PLEASE HELP NO EXPLANATION NEEDED RIGHT ANSWER GETS BRAINLIEST !!
Vlad1618 [11]

♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

➷ 3/16 ARE U SURE U NEED ANY EXPLANATION?

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

DOGE

3 0
3 years ago
I need help with this ^
VLD [36.1K]

Answer:

i think 13

Step-by-step explanation:

60+57=117

117/9=13

3 0
3 years ago
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