Helen earned $12 each weekend babysitting her brother after the third weekend Helen buys a new cd for $12.48 how much money does
Helen have left after buying the cd
1 answer:
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Answer:
12 seconds
Step-by-step explanation:
Given
Required
Determine the time taken to reach the ground
For the paper to reach the ground, y = 0
So, we have:
Collect Like Terms
Divide through by 2.5
<em>Hence:</em>
<em>Time taken is 12 seconds</em>
Answer:
Step-by-step explanation:
So we have the inequality:
This means that our solution is all numbers <em>less than or equal to </em>-4. Therefore, in interval notation, this is:
This represents all the numbers from negative infinity up until -4. This is equivalent to the inequality.