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alexandr402 [8]
3 years ago
8

Please help me i am taking a test and i really need help

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Answer:

31.4

Step-by-step explanation:

Rufina [12.5K]3 years ago
4 0

Answer:

31.4159in

Step-by-step explanation:

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The original cost of Sam’s investment is $10,000. After liquidating the investment, Sam calculated his real return to be $10,700
OverLord2011 [107]

Answer:

Return on investment (ROI) = 7%

Step-by-step explanation:

Given:

Amount invested = $10,000

Total amount get (refund) = $10,700

Find:

Return on investment (ROI) = ?

Computation:

Amount Return = Total amount get (refund) - Amount invested

Amount Return = $10,700 - $10,000

Amount Return = $700

Return\ on\ investment \ (ROI) = [\frac{Amount\ Return}{Amount\ invested} ]100\\\\Return\ on\ investment \ (ROI) = [\frac{700}{10,000} ]100 \\\\ Return\ on\ investment \ (ROI) =7

Return on investment (ROI) = 7%

3 0
2 years ago
Mark studies a group of 30 whales. If each whale weighed approximately 3.8 x 105 pounds, find the total weight of all 30 whales.
Yakvenalex [24]

Answer:

= 1.14 \times 10^{7}pounds

Step-by-step explanation:

If each whales weighed

3.8 \times  {10}^{5}

Then 30 whales weighed

30 \times 3.8 \times  {10}^{5}

=114 \times {10}^{5}

= 1.14 \times 10^{2}  \times {10}^{10}

Applying the law of indices we obtain

= 1.14 \times 10^{(2+ 5)}

=1.14 \times 10^{7}pounds

6 0
3 years ago
If Sam is paid biweekly and his annual salary last year was &32,000
nata0808 [166]

Answer:

32,000

Step-by-step explanation:

5 0
3 years ago
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3241004551 [841]

Answer:

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Step-by-step explanation:

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3 years ago
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