3 years ago

0.8 k - 20 = -60 what does ‘k’ equal?

Mathematics

2 answers:

ehidna [41]3 years ago

5 0

Answer:

K = -50

Step-by-step explanation:

0.8(-50) - 20 = -60, because 0.8(-50) = -40, and when you subtract a negative you would "add" those numbers. So it would be 40 + 20 = 60, which would make it -60.

zalisa [80]3 years ago

3 0

Answer:

<h2>k equals <u>-50</u></h2>

Step-by-step explanation:

0.8 k - 20 = -60

0.8k = -60 + 20

0.8k = -0

k = $\frac{-40}{0.8}$

k = -50

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Someone plz help on # 15 (idk what to do) :/

aleksklad [387]

Answer:

2x-5= -20

move -5 to the other side

sign changes from -5 to 5

2x-5+5= -20+5

2x= -15

divide by 2 for both sides

2x/2= -15/2

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4 years ago

Mr. McDonald finds the lower the price of hamburgers in his restaurant, the more hamburgers he sells. This relationship can best

Alla [95]

Answer:

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Step-by-step explanation:

When one variable increases (the price) while the other variable decreases (the number of hamburgers he sells) , a negative linear relationship exists.

The photo below may help you.