A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:

y = kx

In which k is the constant of proportionality.

The constant can be represented as follows:

$k = \frac{y}{x}$

Hence the constant is found dividing all values of y by each respective value of x.

More can be learned about proportional relationships at brainly.com/question/10424180

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3 0

2 years ago

you buy 1.55 pounds of apples and 1.95 pounds of pears. Apples and pears sell for the same price per pound. The total cost, aft

Artemon [7]

Give me a second while I calculate my math

3 0

2 years ago

Let u = <6, -9>, v = <1, -4>. Find u - v.

melamori03 [73]

To subtract vectors, subtract the x coordinates together. Do the same for the y coordinates as well.

In terms of a formula if we had the vectors u and v such that
u = <a,b>
v = <c,d>
then
u - v = <a-c, b-d>

Let's use that to get...
u - v = <6,-9> - <1,-4>
u - v = <6-1,-9-(-4)>
u - v = <6-1,-9+4>
u - v = <5,-5>
----------------------
Answer: A) <5,-5>

3 0

2 years ago