Answer:
120
equation: 40+8(10)=120
Step-by-step explanation:
The math for this is $40 initial plus $8x the 10 weeks which equals 80 so
40+80=120
4 + 5 = 9
180 ÷ 9 = 20
Sand = 20×4 = 80
Cement = 20×5 = 100
Answer:
0.36363636363636 or 0.36
Step-by-step explanation:
hope this helps
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Answer:
(4, -25)
Step-by-step explanation:
In this case, the quadratic formula is in the form:
ax² + bx + c
Since they also give you the formula for the vertex, you just need to plug the values in.
The x coordinate in the vertex is 8/2(1), or 4.
You take the x = 4 and plug it into your quadratic equation.
f(4) = 16 - 32 -9
= -25
The vertex is (4, f(4)) or (4, -25)
I hope this helps!
