3 years ago

Which of the following is a measure of spread?

Mathematics

2 answers:

asambeis [7]3 years ago

7 0

Answer:

they include Quartile ,Inter-quatile , range......................

Step-by-step explanation:

Triss [41]3 years ago

6 0

Answer:

1....... range...............

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Heptagon: D

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3 years ago

Simplify the expression 7x-1+2x

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1 year ago

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How do you solve 372 divided by 12?

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3 years ago

Each side of a pentagon is 10 cm greater than the previous side. If the perimeter of this pentagon is 500 cm, find the lengths o

Anton [14]

Answer:

(I'll leave cm out to save space and time in the answer)

the perimeter is 500, there are 5 sides. so on average a side will be 100.

that's already the important key idea.

it's indeed 100 for the third side, the second will be 10 less, the fourth 10 more (making the 2and and the 4th side 200 in sum, and therefore still 100 on average).

repeat this for the 1. and 5. side and we get:

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2 years ago

The age of Tony and Vihaan are in the ratio of 8:7. Six years later, their ages will be in the ratio 10:9. Find their ages.

Alex_Xolod [135]

Answer:

24 and 21

Step-by-step explanation:

the ratio of their ages is 8 : 7 = 8x : 7x ( x is a multiplier )

In 6 years

8x + 6 : 7x + 6 = 10 : 9

Express the ratio in fractional form

$\frac{8x+6}{7x+6}$ = $\frac{10}{9}$ ( cross- multiply )

9(8x + 6) = 10(7x + 6) ← distribute parenthesis on both sides

72x + 54 = 70x + 60 ( subtract 70x from both sides )

2x + 54 = 60 ( subtract 54 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Thus

Tony = 8x = 8 × 3 = 24

Vihaan = 7x = 7 × 3 = 21

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3 years ago

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