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Ulleksa [173]
2 years ago
15

I need this done help please asap i have a meeting with my teacher in 30 minutes

Mathematics
1 answer:
Sedbober [7]2 years ago
7 0

The answer to the given permutation and combination are

  • 30240
  • 15
  • 58500
  • 9
  • 252

To solve the given problems, we have to use permutation and combination

<h3>Permutation and Combination</h3>

This is a topic in mathematics that deals with the probability or number of ways an event can occur.

a)10P5

_1_0P_5 = 30240

b) 6C2

_6C_2 = 15

c) This will be a multiplication of permutation of number. This becomes

_2_6P_2 * _1_0P_2 = 58500

This can happen in 58,500 ways.

d) To arrange 9 blocks in a row, she can do it in

_9C_1 = 9

she can do this in 9 ways

e) This can be solved using combination by writing it as

_1_0C_5 = 252

She can do this in 252 ways.

From the above calculations, the answer to the given permutation and combination are

  • 30240
  • 15
  • 58500
  • 9
  • 252

Learn more on permutation and combination here;

brainly.com/question/9764004

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How much more area does a large pizza with a 12 in. diameter have than a small pizza with an 8 in. diameter? Round your answer t
ivolga24 [154]

Answer: About 63 in²

Step-by-step explanation:

<u>Area of circle = π · r²</u>

  • r = radius length
  • π ≈ 3.14

<u>Area of large pizza:</u>

\pi *r^{2} =3.14*6^{2} =3.14*36=113.04

<u>Area of small pizza:</u>

\pi *r^{2} =3.14*4^{2} =3.14*16=50.24

<u>Difference in area:</u>

113.04-50.24=62.8

4 0
2 years ago
Help me pls, question is on the picture
Zinaida [17]

Answer:

I just learned this about a few weeks ago I hope this helps.

Step-by-step explanation:

Since it's cosine you're only looking at Adjacent and the hypotenuse which the adj is 20 and the hyp is 25 so since cosine is adj/hyp you do 20/25 then simplify it to 20/25 divide both by 5 so it's simplified to 4/5.

Then you do Cos-1(4/5)=36.869 which is rounded to the tenth 36.9 but rounded to the hundredth 36.87.

Hope this helps

6 0
2 years ago
Express a decimal number ( ie 0.768) - process description please - as a rational number (96/125)?
Stels [109]

The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as

1\cdot10^2+2\cdot10^1+3\cdot10^0+4\cdot10^{-1}+5\cdot10^{-2}+6\cdot10^{-3}

10^{-n}=\dfrac1{10^n} for any n, so the above is the same as

100+20+3+\dfrac4{10}+\dfrac5{100}+\dfrac6{1000}=\dfrac{100000+20000+3000+400+50+6}{1000}=\dfrac{123456}{1000}

Similarly, we can write

0.768=\dfrac{768}{1000}

Now it's a question of reducing the fraction as much as possible. We have \mathrm{gcd}(768,1000)=8 so

\dfrac{768}{1000}=\dfrac{96\cdot8}{125\cdot8}=\dfrac{96}{125}

5 0
3 years ago
Which of the following numbers are divisible by 2 3 and 6 grad 7 ​
Ray Of Light [21]

Answer:

Is there any picture for it?

Step-by-step explanation:

6 0
3 years ago
Round each number to the nearest tenth.
AleksandrR [38]
26.73\approx23.7\\&#10; 89.42\approx89.4
7 0
3 years ago
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