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Nezavi [6.7K]
3 years ago
11

5/3÷7=_____Answer in a fraction formPLZ HELP ​

Mathematics
1 answer:
vfiekz [6]3 years ago
8 0

Answer:

5/21

Step-by-step explanation:

5/3/7=?

so 5/3 *1/7=5/21

so 5/21 is your answer

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Fill in the blanks. Optionshouse tracked the performance of their most active day traders and found that the probability of a wi
Aleksandr [31]

Answer:

If in a day, 458 call options are picked by these traders, around <u>   246.2  </u>of them will be winners, give or take<u>  10.67  </u>.

Step-by-step explanation:

Hello!

Your study variable is X: the number of winning calls in a sample of 458 calls.

The variable has a binomial distribution since you have two possible outcomes, that the call is a winning call (success) or that the call is not a winning call (failure), each call is independent and the probability of success is p= 0.5375 and the probability of failure q= 1-p= 1-0.5375= 0.4625.

The expected value for a binomial distribution is

E(X)= n*p= 458 * 0.5375= 246.175

And to know the standard error (or standard deviation) you have to calculate the square root of the variance:

V(X)= n*p*q= 458*0.5375*0.4625= 113.85

√V(X)= √113.85= 10.67

I hope it helps!

3 0
3 years ago
Somebody help me please????????
Andreyy89
8 \frac{3}{8} - 5 \frac{3}{4} = 8 \frac{3}{8} - 5 \frac{6}{8} = 7 \frac{11}{8} - 5 \frac{6}{8} = 2 \frac{5}{8} liters = 2,625 litres - answer. 
7 0
3 years ago
Please answer tis question. It's 45 pts!
docker41 [41]
D the answer for this problem okay
6 0
3 years ago
Weekly salary: $650; earnings to date: $30,000.​
Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

30000/650= 46.15 weeks to accumulate $30000

ss tax rate is 12.4%

Medicare rate is 0.09%

30,000*12.4%= $3720

30,000*9%= $270

Total is $3990

Per pay period is

650*12.4%= $80.60

650*9%=$58.50

Total is $139.10

3 0
3 years ago
Find the length of the arc<br> A.8 pie ft<br> B.32 pie ft<br> C.64 pie ft<br> D. 361 pie/ 12 ft
ExtremeBDS [4]
<h3>Answer: Choice A. 8pi  feet</h3>

======================================================

Explanation:

The perimeter around the circle is known as the circumference

The full circumference of a circle with radius r is

C = 2*pi*r

In this case, r = 16 is the radius, so,

C = 2*pi*r

C = 2*pi*16

C = 2*16*pi

C = 32pi

is the full distance around the circle. But we only want 90/360 = 1/4 of that total distance. So take 1/4 of 32pi to get

(1/4)*32pi = (1/4*32)pi = 8pi

The arc length is exactly 8pi feet long

Approximately this is about 25.13274 feet

6 0
3 years ago
Read 2 more answers
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