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3 years ago

PLEASE HELP AS SOON AS POSSIBLE!!

2 answers:

7 0

1. 9.86* 10 ^13
2. 5.394* 10^13
3. and 4. I don't know those questions are confusing
5. 2.3705* 10^35
6. 5^10
7. 4^13
8. 6^ 36
9. 2.425674* 10^30
10. 1.1556* 10^13

alisha [4.7K]3 years ago

4 0

Answer:

Step-by-step explanation: fist u need to distribute and follow order of operations and put together your exponets

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A water storage tank has the shape of a cylinder with diameter 14 ft. It is mounted so that the circular cross-sections are vert

andrezito [222]

Answer:

percentage of the total capacity is 75.6%

Step-by-step explanation:

Hello! To solve this problem we follow the following steps

1. draw the complete scheme of the problem (see attached image)

2. To solve this problem we must find the area of the circular sector using the following equation.(c in the second attached image)

$A=\frac{R^2}{2} (\alpha -sin\alpha )$

$\alpha =2arccos(\frac{d}{R})$

3. observing the attached images we replace the values in the equations and find the area of the circular sector, remember that you must transform the angle to radians

$\alpha =2arccos(\frac{5}{7})=88.83$

$A=\frac{R^2}{2} (\alpha -sin\alpha )\\A=\frac{7^2}{2} (88.83-sen88.83)*\frac{\pi rad}{180} =37.57ft^2$

4.we calculate the area of the total circle (At), then subtract the area of the circular sector (Ac) to find the area occupied by water (Aw)

$At=\frac{\pi }{4} (14ft)^2=153.93ft^2$

Aw=At-Ac=153.93-37.57=116.36ft^2

5.Finally, we calculate the percentage that represents the water in the tank by dividing the area of the water over the total area of the tank

$\frac{116.36}{153.93} *100=75.6$

percentage of the total capacity is 75.6%

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3 years ago

In the data set #2 {75,80,85,75,85}, what is the mean?

Fantom [35]

Answer:

Step-by-step explanation:

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2 years ago

Can you help me with plz?

belka [17]

i think the answer is C

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3 years ago

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A typical stone on the lowest level of the Great Pyramid in Egypt was a rectangular prism 5 feet long by 5 feet high by 6 feet d

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3 years ago

Bruce bought 4 3/4 lbs of ground turkey to make turkey burgers to grill at a barbecue. How many 1/4 lb burgers can make?

nalin [4]

4 3/4 equals 19/4ths so the correct answer would be 19 burgers

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3 years ago

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