3 years ago

60 min is 20%of blank min

1 answer:

7 0

The answer is 300 min

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Dovator [93]

Answer:

4 x + 4 y = 1 , 6 x − y = 1 2 x + y = − 2 , x + 2 y = 2 x + 2 y = 4 , x − y = − 3

Hoped I helped

3 0

3 years ago

amm1812

The answer is 80,00 pounds.

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3 years ago

damaskus [11]

Answer:

32760

Step-by-step explanation:

This is a permutation of 15 objects taken 4 at a time. To calculate this, we use the formula:

$_nP_r=\frac{n!}{(n-r)!}$

In our case, n is 15 and r is 4:

$_{15}P_4=\frac{15!}{(15-4)!}=\frac{15!}{11!}=32760$

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3 years ago

SCORPION-xisa [38]

Answer:

3 groups of 5 sopranos and 12 altos

Step-by-step explanation:

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3 years ago

Olenka [21]

Answer:

A)− 8/3 , − 5/2 , − 7/ 4 , − 3/ 5

Step-by-step explanation:

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3 years ago