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NeX [460]
3 years ago
14

Given the following vector fields and oriented curves C, evaluate integral F * T ds

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

ds

F = <-y, x> on the semicircle r(t) = <4 cos t, 4 sin t>, for 0<nb

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What is 1/5 ÷ 5<br> someone pls help me
Elena-2011 [213]

Answer: 1/25 or 0.04

Step-by-step explanation:

1/5 divided by 5 for the whole number you have to turn it to a fraction so you would do 5/1

THEN: it becomes 1/5 divided by 5/1 but you have to do the inverse so the inverse of division is multiplying and you will cross multiply so 5*5= 25 and 1*1=1 therefor the final answer is 1/25

5 0
3 years ago
Read 2 more answers
A sofa depreciates at 20% of its original value each year. If the sofa was $349 at its time of purchase, what is the value of th
klemol [59]

Answer:

$142.95

Step-by-step explanation:

Given Original value of the sofa = $349

Rate of depreciation each year = 20%

Number of years = 4

To find the value of the sofa after 4 years use depreciation formula:

If the constant decrease in population be R% per annum. Then the population after n years is  P \times\left(1-\frac{R}{100}\right)^{n}

349 \times\left(1-\frac{20}{100}\right)^{4}=349 \times\left(\frac{100-20}{100}\right)^{4}  

                           =349 \times\left(\frac{80}{100}\right)^{4} 

                           =349 \times\left(\frac{4}{5}\right)^{4}

                           = 142.9504

                           = 142.95 (Nearest cent)

Hence, the value of sofa after 4 years is $142.95.

7 0
4 years ago
What is the slope of the line that passes through the points (8, -9)(8,−9) and (14, -9) ?
attashe74 [19]

Answer:

0

Step-by-step explanation:

if all the points lie on the same line then they have the same slope

5 0
3 years ago
Find the real-number root -81
oee [108]
The answer is 9 sorry if this is wrong
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3 years ago
Find the solution set for this equation. -a^2-3a=0
jasenka [17]
Its a=-3 i just did it
7 0
3 years ago
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