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Neko [114]
3 years ago
12

Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-2 when x=6

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

f(x)=-x/3

Step-by-step explanation

Given f is a direct variation equation (Direct variation is when one variable is equal to a constant times another variable, with no additions or subtractions alongside).

Now by the above condition let the constant be "c".Then

f(x)=cx

also given that f(x)=-2 whenx=6

on substituting the above values,

-2=c(6)

c=-2/6

c=-1/3

Therefore our equation is f(x)=-x/3

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If x varies inversely as y and x=2.5 when y = 40 , find y when x = 2
Illusion [34]

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2.5/40=2/y

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2 years ago
Nick can type 30 words a minute.<br> How many words can be typed in 9.5 minutes?
iren [92.7K]

Answer:

285 Words

Step-by-step explanation:

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7 0
2 years ago
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sveta [45]

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A. absolute value f(-5)=6

B. linear g(0.2)= 0.3

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=|-8|-2

=8-2

=6

g(0.2)= 1.5(0.2)

=0.3

p(-3)=|7-2(-3)|

=|7+6|

=13

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3 years ago
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