3 years ago

Write a phrase as a algebraic expression.4 times the sum of a number and 20.

1 answer:

4 0

4(20 + x)

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Maru [420]

True because it is used to collect information on data tables and other things.

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3 years ago

tigry1 [53]

All reals except 14 is correct

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3 years ago

Serjik [45]

Answer:

C: mean 6.5 median 6

Step-by-step explanation:

median you find middle number in sorted numbers lined up. mean is all numbers added up and divided by how many there are

8 0

3 years ago

sergejj [24]

-x - 5 = -11

add 5 to both sides

-x - 5 + 5 = -11 + 5

-x = -6

x = 6

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3 years ago

Aloiza [94]

Answer:

11.4 feet

Step-by-step explanation:

Using the right triangle formed by the tent pole, the ground and the guy rope, where the guy rope (g) is the hypotenuse.

Applying Pythagoras' identity

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

g² = 9² + 7² = 81 + 49 = 130 ( take the square root of both sides )

g = $\sqrt{130}$ ≈ 11.4 feet

7 0

3 years ago