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Katyanochek1 [597]
3 years ago
15

There is a list of seven numbers. The average of the first four numbers is 5, and the average of the last four numbers is 8. If

the average of all seven numbers is (6 + 4/7), find the number common to both sets of four numbers.
Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

6

Step-by-step explanation:

Sum of first 4 numbers= 4*5= 20

This includes 3 + 4th number

Sum of last 4 numbers= 4*8= 32

This includes 4th number + 3

Sum of 7 numbers= 7*(6+4/7)= 46

This includes 3+4th number +3

Number common to both sets= (20+32)- 46 = 6

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The length of side WX in Quadrilateral WXYZ is 3b units.

<h3>Coordinate plane</h3>

The distance between two points A(x₁, y₁) and B(x₂, y₂) on the coordinate plane is given by:

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Given the coordinates W(b, b), X(4b, b), Y(3b, 0), and Z(0, 0). The length of WX is:

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Find out more on coordinate plane at: brainly.com/question/26100648

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Нужно срочное подробное решение заданий с подробным обьяснением<br> !!!Дам 20 очков!!!
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Answer:whaaaat?

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3 years ago
Read 2 more answers
Plz explain.
slega [8]
Idk, why does the world need problems like this, not like everyone is going to grow up to be a math teacher.
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What is the closest estimate for 179 divided by 9
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