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3 years ago

Which does not show a direct variation between x and y?PLZZZ HELP ASAP?

Mathematics

2 answers:

svetoff [14.1K]3 years ago

6 0

A direct variation equation takes the form y=kx, where k is a constant.

Choice A displays a direct variation since it takes the form y=kx, where k=5.

Choice B does NOT display direct variation because x is in the denominator. This relationship between x and y in choice B is called inverse variation.

Choice C displays direct variation since it takes the form y=kx, where k=0.7

Choice D displays direct variation since it takes the form y=kx, where k=1/9.

In conclusion, your answer is CHOICE B. Have an awesome day! :)

Anon25 [30]3 years ago

3 0

Y = 6/x does not show a direct variabtion

Answer
B. y = 6/x

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2 years ago

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3 0

3 years ago

Read 2 more answers

Cristina bought a bag of coffee for $8.47. The weight of the bag was 7/8 of a pound. What was the price, per pound, of the coffe

SpyIntel [72]

~For this problem, you need to divide.
~The easy way that I think might help you is if you change the fraction into a decimal.

$\frac{7}{8} = 0.875$

Now divide $8.47 by 0.875
$\frac{8.47}{0.875} = 9.68$

The price per pound of the coffee was $9.68

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3 years ago

Read 2 more answers

WHAT IS THE VOLUME OF THE PORTION OF THE AQUARIUM WITH WATER IN IT?

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6 0

3 years ago

Solve the following quadratic equation by the square root method. (Y-9)^2=64

enot [183]

Hello!

To solve this, first perform the opposite operation for the last operation (on the left side) on both sides. The last operation of the left side is squaring. Therefore, square root both sides.

$(y - 9)^{2} = 64$

$y - 9 = ±\sqrt{64}$

$y - 9 = ±8$

Please note that you must include ±. This is because the square root of 64 can be either positive or negative, as a square of either a positive or negative number is positive.

Now, add 9 to both sides.

$y = 9±8$

There are 2 solutions from here. One comes from adding 8, and the other subtracting 8. Therefore, the two solutions are:

y = 9 + 8 = 17

y = 9 - 8 = 1

Therefore, your two solutions are 17 and 1.

Hope this helps!

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3 years ago