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Anarel [89]
3 years ago
10

Is this a Function? A. Yes B.No C. Maybe D. Other

Mathematics
1 answer:
kondor19780726 [428]3 years ago
8 0
No because they share a x twice
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Solve by substitution
Hunter-Best [27]

Answer:

A

Step-by-step explanation:

y = -9 ------(1)

9x -4y = -9 -------(2)

substitute (1) into (2)

9x - 4 (-9) = -9

9x = - 45

x = -5

there you go, x = -5 and y = -9

so. (-5 , -9 )

hope this helps

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2 years ago
Round Nine Point Four Two To one decimal Place
gulaghasi [49]
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3 years ago
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Look up Mathpapa.com

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3 years ago
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The Earth has a diameter
mrs_skeptik [129]

Answer:

<em>L = 24,873.6 miles</em>

Step-by-step explanation:

<u>Length of the Circumference</u>

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L =2\pi\cdot r

The Earth has a diameter of 7,917.5 miles. The radius is half the diameter:

r=7,917.5/2=3,958.75 miles

Assuming a plane flies around the equator at ground level, the distance it would travel is:

L =2\pi\cdot 3,958.75\ miles

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Each of five friends has between $3.50 and $4.25. Which could be the total amount of money the five friends have?
sleet_krkn [62]
The answer would be around $20
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3 years ago
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