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2 years ago

The average of A and B is 6. The average of X, Y, and Z is 16. What is the average of A, B, X, Y, and Z?

Mathematics

1 answer:

ser-zykov [4K]2 years ago

4 0

Answer:

Step-by-step explanation:

Average of A and B is 6

(A+B) /2 = 6

Multiply each side by 2

A+B = 12

average of X, Y, and Z is 16

(X+Y+Z)/3 = 16

Multiply each side by 3

(X+Y+Z) = 48

To find the average of all of them

(A+B+X+Y+Z)/5

replace A+B with 12 and X+Y+Z with 48

(12+48)/5

60/5 = 12

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Deffense [45]

Answer:

Step-by-step explanation:

Because 4 minutes times 15 equals an hour 3 x 15 is 45.

And 3 minutes times 20 equals an hour 2 x 20 is 40 so the difference is 5

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3 years ago

What is the propability that a leap year has 53 sundays????? Please answer fast!!!!!!

Veseljchak [2.6K]

Leap year= 366 days

366 days=52 weeks +2 days

possibilities: MT,TW,WTh,ThF, FS, SS, SM

Therefore,
P(having 53sundays) =2/7

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3 years ago

Which fractions are equivalent to 4/6? Select all that apply.

kiruha [24]

Answer:

2/3

8/12

Step-by-step explanation:

You just divide each numerator 4 (5÷4) and each denominator by 6 (8÷6) and see if the numbers are the same.

5÷4=1.25

8÷6=1.33

They are not equivalent, so 5/8 is not correct

2÷4=0.5

3÷6=0.5

They are equivalent, so 2/3 is correct

Please give brainliest if I helped! :)

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2 years ago

I need help on my homework

emmainna [20.7K]

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2 years ago

-0.4w = 4.2 what is this????

hram777 [196]

Answer: w = -10.5

Step-by-step explanation:

first, divide both sides by -0.4. basically, that leaves "w" alone on one side, and we are just dividing 4.2 by -0.4. that gets us the answer.

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2 years ago