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3 years ago

Which represents does not show y as a function

Mathematics

1 answer:

Leya [2.2K]3 years ago

5 0

J is not a function.

for y to be a function of x, it needs to have every input x value mapping to one, and only 1, output y value.

we see that for graph J, x = -3 maps to both -3 and -2.

can't be a function

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Lines AB and CD (if present in the picture) are straight lines. Find x. Give reasons to justify your solutions.

Olin [163]

Answer:

WORDS: The value of x is 15.

EQUATION: x = 15

Step-by-step explanation:

1. AB is a straight line therefore angles AOF, FOG, and GOB total 180º

2. If ∠FOG = 90º, AOF + GOB = 90º by subtraction & substitution property

3. 5x - 15 + 2x = 90 (now solve) --> by substitution

4. 7x - 15 = 90 --> by C.L.T. or Combine Like Terms

5. 7x = 105 --> by C.L.T. or Combine Like Terms

6. x = 15 --> by inverse operations (division)

Hope this helps!

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3 years ago

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3 years ago

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kupik [55]

Answer:

B) 38.7

Step-by-step explanation:

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3 years ago

Read 2 more answers

A rectangular swimming pool is 50 feet long and 25 feet wide.

Scrat [10]

Answer:

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Step-by-step explanation:

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Answer:

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