Answer:
10
Step-by-step explanation:
4x+8+3x+12=90
x=10
this is the solution hope it's helpful
Answer:
30, 10, -10
Step-by-step explanation:
Subtract each number below from the number above.
60 - 30 = 30
50 - 40 = 10
40 - 50 = -10
IdentityProperty of Addition OR Zero Property
At least 14 economy and at least 5 deluxe...total of 45 seats. He makes a bigger profit from selling economy seats....so we need the most economy seats we can get.
45 seats - 5 deluxe = 40 economy
so the most profit would be 40 economy and 5 deluxe
40 economy = (40 x 30) = 1200 profit
5 deluxe = (5 x 25) = 125 profit
for a maximum profit of : $ 1325
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<em>Correction to your question text: diameter, not radius.</em>
The area of a circle is given by:
The radius is half of the diameter.
Substitute and solve.
