In plain and short, we simply divide 5 by (1+2+3) and then distribute the pieces likewise
add the ratios up, and you'll get 5.
add the ratios up, and you'll get 5.
Barbara has $70.00 in her pocket and a $20 gift card. Which purchase will she be able to make without having to use her credit c
1 answer:
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Answer:
Step-by-step explanation:
Volume of the box = x³ +11x² + 20x – 32 I think the ' is a typo for ³
the width is x-1 and the height is x+8
Find an expression for the length
Vol = LWH solve L
Vol / (WH) = L so
L = (x³ +11x² + 20x – 32) / (x-1) (x+8)
so it would help to factor the numerator
(x³ +11x² + 20x – 32) I'm willing to bet (x-1) and (x+8) are factors
but I will plot the equation to find the three roots
(x³ +11x² + 20x – 32) = (x-1) (x+8) (x+4)
L = (x³ +11x² + 20x – 32) / (x-1) (x+8)
= (x-1) (x+8) (x+4) / (x-1) (x+8) the (x-1) and (x+8) cancel out leaving
L = (x + 4)
1 it is true
2 it's not true
3 it's not true
4 it's true
5- it's true
2 it's not true
3 it's not true
4 it's true
5- it's true