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3 years ago

What is 14/40 reduced

Mathematics

2 answers:

murzikaleks [220]3 years ago

7 0

Answer:

7/20

Step-by-step explanation:

14/40

Divide the top and bottom by 2

14/2 =7

40/2 = 20

7/20

mamaluj [8]3 years ago

3 0

Answer:

7/20

Step-by-step explanation:

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What's the present value of $11,000 discounted back 5 years if the appropriate interest rate is 4.5%, compounded semiannually?

kotegsom [21]

Answer:

Step-by-step explanation:

A = P[1 + (r/n)]^(nt)

Look the formula up online to find out what each variable represents if needed.

We are solving for P, which is the principal amount 5 years back.

Substitute 11,000 for A (total amount), 4.5% for r(rate), 2 for n(number of times -- in this case, semiannually), and 5 for t(time -- 5 years).

11000 = P[1+(0.045/2)]^(2x5)

11000 = P (1.0225)^10

11000 = P (1.2492) approx.

Divide both sides by 1.2492 to find P.

P = $8805.64 (approx)

I know that the answer I got is not an option listed. However, I feel that my workings may help other people to answer this question or give them inspiration to answer similar questions. Therefore, I will leave this answer up.

Thanks, and sorry I couldn't do much.

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2 years ago

A Ferris wheel completes 4 revolutions in 10 minutes. The radius of the Ferris wheel is 40 feet.

masha68 [24]

Answer:

Step-by-step explanation:

$Circumference = 2\pi r\\\\2 \pi \times 40 ft = 80\pi ft = 253.3274123 ft\\\\= 253.3274123 ft \times 12 \: \frac{inches }{feet} \\\\ = 3015.928947 in\\\\\\10 min = 10 min \times 60 \: sec / min = 600 sec\\\\4 \: revolutions / 10 min = 4 \times 3015.928947\: in / 600 sec \\\\ = 5.0 in/sec$

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2 years ago

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2 years ago

Answer step by step

enot [183]

Consider, please, this solution/explanation:
1. suppose, that number of cars is 'x', numbers of buses is 'y'.
2. according to the condition 'a total of 32', it means that x+y=32. This is the 1st equation.
3. according to the condition in one car are 3x persons, in one bus are 27y persons, and totaly 3x+27y=408 people. This is the 2d equation.
4. if to solve the system of two equations:
$\left \{ {{x+y=32} \atop {3x+27y=408}} \right. \ =\ \textgreater \ \ \left \{ {{x=19 (cars)} \atop {y=13(buses)}} \right.$

Answer: 13 - b., 19 - c.

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2 years ago

What is 437 squared If you know please help me im doing exams Right now. Have a great day.

enyata [817]

190,969 should be the answer

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2 years ago

Read 2 more answers