Answer:
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For f(x) = 3x - 5 and g(x) = x2 + 2, find (f+ g(x).
1 answer:
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Answer:
D) 8.667 mph
Step-by-step explanation:
Given: Distance= 6.5 miles
Times= 45 minutes
First, convert the time into hours as we need to find speed in the unit of mph.
We know, 1 hour= 60 minutes
∴ Time=
Now, find the speed of John´s bike
Speed=
⇒ Speed=
∴ Speed of John´s bike is 8.667 mph
Answer:
(- , 4 )
Step-by-step explanation:
Given the 2 equations
3x + 8y = 28 → (1)
3x + 2y = 4 → (2)
Subtracting (2) from (1) term by term will eliminate the x- term
(3x - 3x) + (8y - 2y) = (28 - 4), that is
6y = 24 ( divide both sides by 6 )
y = 4
Substitute y = 4 into either of the 2 equations and solve for x
Substituting into (1)
3x + 8(4) = 28
3x + 32 = 28 ( subtract 32 from both sides )
3x = - 4 ( divide both sides by 3 )
x = -
Solution is (- , 4 )