Tamika wants to double the volume of a square pyramid. What should she do?
2 answers:
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we are given a vector
whose
x-component is -24.5
so,
y-component is 31.5
so,
Magnitude:
we can use formula
we can plug values
Direction:
we can use direction formula
now, we can plug values
................Answer
a = amount invested at 13%
b = amount invested at 2%
we know the total amount invested is 8200, so if the first amount is say "a", the second amount must be the slack left from subtracting "a", namely b = 8200 - a.
we also know 13% of "a" plus 2% of "b" yielded an interest of $461 in a year.