PLEASE HELP
If a = -1, b = 2.5, and c = 3, then evaluate a+2[c^(2)-(b+c)].

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Ответ:

ob3ymysins

14.01.2020

Mathematics

Step-by-step explanation:

Given y=kx,

where k is a constant

When y=8 and x=2/3, K =?

y=kx

8= k 2/3

K=(3 x8)/2= 24/2 = 12

K=12

Now when x=5/4 y=?

y= kx

y = 12 X 5/4= 60/4

y = 15

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PLEASE HELP If a = -1, b = 2.5, and c = 3, then evaluate a+2[c^(2)-(b+c)].