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ivanzaharov [21]
2 years ago
8

Use the permutation formula to solve a problem when n = 8 and r = 4.

Mathematics
2 answers:
Feliz [49]2 years ago
8 0

Answer:

1680

Step-by-step explanation:

(,)=(8,4)

=\frac{8!}{(8-4)!}

=1,680

olganol [36]2 years ago
7 0
The answer is B which is 1,689
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Fill in the blanks to complete the area model to solve 6.60 divided by 15 is the same as _ x ? = _ 6.60 = _ hundredths
storchak [24]

Answer:

15 x = 6.60

x = 44\ hundredths

Step-by-step explanation:

Given

\frac{6.60}{15}

Required

Complete the model

[ ] x = 6.60

x = _ hundredths

\frac{6.60}{15}

Equate to x

x = \frac{6.60}{15}

Multiply both sides by 15

15 * x = \frac{6.60}{15} * 15

15 * x = 6.60

15 x = 6.60

So, we have:

[ ] x = 6.60 =====> 15 x = 6.60

Recall that:

x = \frac{6.60}{15}

x = 0.44

This implies that:

x = 44\ hundredths

Hence:

x = _ hundredths =====> x = 44\ hundredths

3 0
3 years ago
General douglas MacArthur, one of the leading generals in World War II was born in 1880 and died in 1964 how old was he when he
malfutka [58]

Answer: he was 84 years old when he died and the fractional part of a century that he live is 21/25

Step-by-step explanation:

General Douglas MacArthur, one of the leading generals in World War II was born in 1880. He died in 1964. The number of years that he lived would be the year he died - the yea he was born. Therefore,

His age when he died

= 1964 - 1880 = 84 years.

The number of years in a century is 100. Therefore, the fractional part of a century that he lived would be

84/100 = 21/25

4 0
3 years ago
8th GRADE MATH
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2 years ago
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