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Anna35 [415]
2 years ago
13

Which of the following relations is a function? A. (0, 4), (-2, 6), (0, 3), (-7, 2) B. (8, 1), (-2, 4), (0, 1), (8, 2) C. (0, 4)

, (-2, 2), (8, 1), (-7, 2) D. (0, 0), (-2, 3), (8, 1), (-2, 5)
Mathematics
1 answer:
fomenos2 years ago
8 0

Answer: C

Step-by-step explanation:

C is a function because each of the inputs are distinct, meaning they only have one output each.

The other choices are not functions because at least one of the inputs corresponds to 2 or more outputs.

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One week, Kayden earned $146.00 at his job when he worked for 10 hours. If he is
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Answer:

3 hours

Step-by-step explanation:

you take the amount that was earned and divide it by the amount he works.

\frac{146.00}{10} = 14.6 per hour.

then to find the number of hours he would have to work next week to earn $43.80 you divide the amount per hour by the amount he would have to work next week.

\frac{43.80}{14.6} = 3 hours

4 0
1 year ago
1. Evan drove 308 km in the same time that Meghan drove 329 km. If Meghan drove
emmainna [20.7K]

Answer:

Her average speed is 94 km/h

Time taken is 3.5 hours

Step-by-step explanation:

Let Evan’s average speed be x km/h.

now since Meghan drove faster, according to the question, we can say her average speed would be x + 6 km/h

Mathematically, time = distance/speed

so; since time is the same; we have

308/x = 329/(x + 6)

cross multiply

329(x) = 308(x + 6)

329x = 308x + 1848

329x-308x = 1848

21x = 1848

x = 1848/21

x = 88 km/h

Meghan average speed = x + 6 = 88 + 6 = 94 km/h

Time taken would be 329/94 = 3.5 hours

8 0
3 years ago
Can you help with all math questions?
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No but , they can be pretty easy sometimes
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3 years ago
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A spaceship traveled 32 million miles. In scientific notation that is _____ miles. 3.2 × 10-7 3.2 × 10-6 3.2 × 106 3.2 × 107
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In scientific notation :
32 million miles is 3.2 x 10 ^7 miles.
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What distributive property is 4(x+2)=32
Paraphin [41]

Answer:

Answer:

distributive because

Step-by-step explanation:

4 is distributed to x and 2

4x+2=32

Step-by-step explanation:

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3 years ago
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