Can anybody help me on number 4? Find the measure of each interior angle of the regular polygon.
1 answer:
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Answer:
3.5%
Step-by-step explanation:
1. calculate starting total
starting amount = $10,960
2. calculate stock A2's value
- decreased by 18%
to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒
- multiply stock A1 by perctage decimal to get the amount decreased
($1,215)
- subtract stock A1 by decreased amount to get stock A2's value
A2 = $5,535
3. calculate stock B2's value
- increased by 20%
to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒
- multiply stock B1 by perctage decimal to get the amount increased
($842)
- add stock B1 with increased amount to get stock B2's value
B2 = $5,052
4. get new amount of account
new amount = $10,587
5. find percentage decrease of starting amount to new amount
- divide starting amount by the new amount
- then subtract by 1
- multiply by 100 to convert to percentage form
- and round to <u>nearest tenth</u>
answer is ≈ 3.5%
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