A = l²
A = 7.2²
A = 51.84
51.84 inches
Answer:
(2x - 1)(2x + 1)(x - 7)
Step-by-step explanation:
We use grouping to factor.
Step 1: Group 1st 2 terms together and factor
4x³ - 28x²
4x²(x - 7)
Step 2: Group last 2 terms together and factor
-x + 7
-1(x - 7)
Step 3: Combine
(4x² - 1)(x - 7)
Step 4: Factor out quadratic
(2x - 1)(2x + 1)(x - 7)
9514 1404 393
Answer:
Step-by-step explanation:
Consider a group of 1 dime and 2 nickels. The value of it is 0.20. The total value of all such groups is 3.20, so there must be ...
3.20/0.20 = 16 . . . . . groups of coins
That is, there are 16 dimes and 32 nickels.
Answer:
0.71428571428
Step-by-step explanation:
Do it the old fashioned way, get out your calculator, or google it.
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