A child jumps off a bridge at 75 feet, if you calculate that you will have another 10 feet going down into the water, will you s
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Let e=erasers and p=pencils. So we know the total amount of erasers plus pencils sold is equal to 220. Therefore,
We also know the cost of erasers and pencils totaled to $695 in earnings and so:
and so those are your two equations.
We also know the cost of erasers and pencils totaled to $695 in earnings and so:
and so those are your two equations.
Answer:
Step-by-step explanation:
The trick here is to know the distance formula (a formula that helps you find the distance between two points).
Distance formula: distance =
But now that we know this, we can simply plug in our values and solve!
Now we can tell from our answer that the distance between both points is
Computing an integral by substitution is the reverse of the chain rule for computing the derivative. Substitution is intended to rewrite a complicated-looking integral involving the derivative of some component expression as another much simpler integral. For example, if , then
and
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Integration by parts is the reverse of the product rule for derivatives:
Integrating both sides with respect to gives
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Personally, I think the best way to grasp the idea behind the two methods is to practice. You start to notice patterns to the point where knowing which is the "right" method to use becomes second nature.