29.10 or 29.1 is the answer rounded to the nearest hundreth
Answer:
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Step-by-step explanation:
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A = lw
80 = 2x(x - 3)
80 = 2x(x) - 2x(3)
80 = 2x² - 6x
0 = 2x² - 6x - 80
0 = 2(x²) - 2(3x) - 2(40)
0 = 2(x² - 3x - 40)
2 2
0 = x² - 3x - 40
0 = x² - 8x + 5x - 40
0 = x(x) - x(8) + 5(x) - 5(8)
0 = x(x - 8) + 5(x + 8)
0 = (x + 5)(x + 8)
0 = x + 5 or 0 = x + 8
- 5 - 5 - 8 - 8
-5 = x or -8 = x
The values of x are -5 and -8.
Answer:
The amount spent on shower water by Trevor's family in the past month is $86.4
Step-by-step explanation:
The given information are;
The number of people in Trevor's family house are 6
The volume of water each person showered with during the month = 72 litres
The water costs = $0.20 per litre
The total volume of water used for shower by the 6 people = 72 × 6 = 432 litres
The amount spent on shower water by Trevor's family in the past month = The total volume of water used for shower × The cost per litre of water
The amount spent on shower water by Trevor's family in the past month = 432 × 0.2 = $86.4.
ANSWER
The product is
EXPLANATION
To find the product of
and
means we should multiply the two fractions.
We multiply to obtain,
Cancel the common factors:
Now, multiply the numerators separately and the denominators too separately.
This simplifies to,