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Elodia [21]
3 years ago
5

PLEASE HELP ME WITH MY QUESTIONS I REALLY NEED HELP!!!! ANSWER IF YOU ACTUALLY KNOW.​

Mathematics
1 answer:
stira [4]3 years ago
6 0

Answer:

i think its a

Step-by-step explanation:

(sry if im wrong)

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Check all that apply: If cos theta = 15/17 then:
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If Cos theta = 15/17, then
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PLEASE HELP ME!!!
Ede4ka [16]

The roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}.

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7 0
3 years ago
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If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
Ludmilka [50]

Answer:

Step-by-step explanation:

y = k*x                    This is the formula for a direct variation.

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  • x = 4                        Substitute these values into the direct variation

20 = 4 * k                        Divide by 4

20/4 = 4k/4

k = 5

Answer: the constant of variation is 5

7 0
2 years ago
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