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Oksi-84 [34.3K]
2 years ago
9

What is the smallest sum of money that can be made up of exact number of 5 cent or of 25 cent pieces

Mathematics
1 answer:
vladimir1956 [14]2 years ago
6 0

292o2ox2927+8838_833873

Step-by-step explanation:

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Urgent math help needed will mark brainliest
iren [92.7K]

Remark

Many calculators have a key that will do this in one step. Mine is one of them. So let's start with the answer and then we'll do it the long way.

9C3 = 84. You put it into your calculator as 9   2nF   nCr 3 =

Solution

\dfrac{9!}{(n - 3)!3!} = \dfrac{9*8*7*6!}{6!*3!}=\dfrac{9*8*7}{6}

3*4*7 = 84 which is what you set out to show.


3 0
3 years ago
Washington Middle School has the annual musical production this weekend. Of the 900 tickets sold, 45 percent are for the Friday
koban [17]
405 is the correct answer
8 0
3 years ago
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James calculated the height of a cylinder that has a volume of 324 pi cubic inches and a radius of 12 in his work is shown below
wel

Answer:

13.5cm

Step-by-step explanation:

V=Bn

Step 1: 3245 - 12h

Step 2: 324 = 24 sh

324 24

Step 3: 245 245

Step 4: h-13.5

inches

What is the first error that James made when calculating the height of the cylinder?

In step 1, he substituted into the volume formula incorrectly.

In step 2, he calculated 122 incorrectly. It should be 144 rather than 24.

In step 4, the should have canceled, making the correct answer 13.5 cm.

James calculated the height of the cylinder correctly

7 0
3 years ago
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PLEASE HELP ME IM BEGGING U .
Hatshy [7]
It’s either C or D hope this helps
4 0
3 years ago
I’m so stupid I don’t know
adell [148]

Answer:

I am stupid too, so forgive me if I am wrong.ಥ_ಥ

I am pretty sure the correct answer is D since 2 can be multiplied by 3 to get 6, and 3 can be multiplied by 3 to get 9. Thus, if the number of guitars is multiplied by 3, the number of amps will always be a multiple of 3.

4 0
3 years ago
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