Answer:
Yes, she is correct.
Step-by-step explanation:
y = kx is direct variation
15 = k*-3
k = -5.
So the equation of variation is
y = -5x
When x = -4:
y -5*-4 = 20.
Answer:
9.23
14.43-5.2=9.23
Step-by-step explanation:
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So first you find 10% which is 34.5
Then you multiply 10% by 4 to get 40% which is = 138
Answer:
<h2>h < 2</h2>
Step-by-step explanation:
5(2h+8) < 60
Expand the terms in the bracket
We have
10h + 40 < 60
Group like terms
10h < 60 - 40
10h < 20
Divide both sides by 10
h < 2
Hope this helps you
The <span>Mean Absolute Deviation of 7,9,6,6 is 1 hope it helps <3</span>