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3 years ago

Which of the following data sets represents a linear function?

Mathematics

1 answer:

Leokris [45]3 years ago

7 0

Answer:

Step-by-step explanation:

to be a linear function the change in X and the change in Y has to be the same hence slope

A. x changes by+ 1 see 2,3,4,5, and y changes by +5, +7, +9 so A is not a linear function

B. X changes by -1 in all, y changes +1 for first 3 then -1 last, so B is not a linear function

C. X changes by +1 for all and y changes by -6 for all so is it is a linear function

D x changes by +1 for all and y changes by -1, +1, +3 so no linear fn.

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What is the value of z? ( please help)

maxonik [38]

Answer:

z = 1

Step-by-step explanation:

See the diagram of the triangle attached to this question.

We know the property of angles of a triangle as if we sum any two interior angles then we will get the opposite exterior angle.

Hence,

42z + 37 = 40z + (26z + 13)

⇒ 42z + 37 = 66z + 13

⇒ 37 - 13 = 66z - 42z

⇒ 24 = 24z

⇒ z = 1 (Answer)

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3 years ago

Each table shows a proportional relatioship. fill in the missing values and determine k.

kolbaska11 [484]

Answer:

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3 years ago

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saul85 [17]

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3 years ago

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siniylev [52]

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2 years ago

Johns car averages 28 miles per gallon. how far can her drive on 8.25 gallons

Lilit [14]

Answer:

Step-by-step explanation:

This is a unit problem.

$\frac{28mpg}{8.25g}$

If you notice in that ratio, there is a "g" in both the numerator and the denominator which will cancel out, leaving you only with the label of miles, which is what you are looking for (since "how far can she drive..." is a distance thing). 28 then only needs to be divided by 8.25 to see how many miles this is.

$\frac{28mpg}{8.25g}=3.3939393939$ miles which, in an improper fraction, is

$\frac{112}{33}$ miles

6 0

3 years ago

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