190 min.................................
A graph is said to be symmetric about the y -axis if whenever (a,b) is on the graph then so is (−a,b) . Here is a sketch of a graph that is symmetric about the y -axis. A graph is said to be symmetric about the origin if whenever (a,b) is on the graph then so is (−a,−b) .
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Answer:
24 hr × 30% = 24 hr × 0.30 = 7.2 hr (or 7 hr 12 min)
The total number of acorn squash that the farmer brought to the market = 80
Percentage of acorn squash was less when the day ended = 35%
Then
The amount by which the
number of acorn squash decreased at the end of the day = (35/100) * 80
= 280/10
= 28
Then
The number of acorn squash left with the farmer = 80 - 28
= 52
So from the above deduction, we can easily conclude that the farmer was left with 52 acorn squash at the end of the day.
(-2,0) instead of substitution, you can use elimination which the 3x's will cancel out and you solve the system regularly
