3 years ago

Which equation is not a function?

Mathematics

1 answer:

Vaselesa [24]3 years ago

3 0

D if I’m not mistaken

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steve has 75.50$ to spend at the movies. His ticket is 45.50? and he gets a large popcorn and soda. If the popcorn and soda each

Maru [420]

$15. 75.5 - 45.5 = 30.

30/2 = 15

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3 years ago

Write a linear equation based on given information. Through (5,-5) and (4,0)

Katena32 [7]

For this case we have that by definition, the equation of the line of the slope-intersection form is given by:

$y = mx + b$

Where:

m: It is the slope of the line

b: It is the cut point with the y axis

We have the following points:

$(x_ {1}, y_ {1}) :( 5, -5)\\(x_ {2}, y_ {2}) :( 4,0)$

We find the slope:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0 - (- 5)} {4-5} = \frac {5} {- 1} = - 5$

Thus, the equation is of the form:

$y = -5x + b$

We substitute a point and find b:

$0 = -5 (4) + b\\0 = -20 + b\\b = 20$

Finally, the equation is:

$y = -5x + 20$

Answer:

$y = -5x + 20$

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2 years ago

21x^5y^4-18x^7y^3+15x^2y^5

soldi70 [24.7K]

Do you want us to answer or simplify?

Simplify:=−18x^7 y^3 + 21x^5 y^4+ 15x^2 y^5

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3 years ago

A computer charges 20 pesos per hour (or a fraction of an hour) for thw first two hours and an additional 10 pesos per hour for

Svet_ta [14]

This takes too long!!!!!!!!

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3 years ago

PLEASE HELP I DON'T UNDERSTAND

OLga [1]

X = the number of months the tire was used
y = the thickness of the tire tread

y = -(3/7)x + 20

Substitute x for 20 (the number of months the tire was used) and solve for y.

The next question: Substitute x for 49 (the number of months the tire was used) and solve for y.

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3 years ago