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2 years ago

1 + 1 = long method pls

Mathematics

1 answer:

MAVERICK [17]2 years ago

5 0

When 1 is added to another 1 they join together to form a 2. Bruh idk what 1+1 long method is. But I hope it helped.

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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%

3 0

3 years ago

4. Bobby is 12 years old. His grandfather is 60 years old, what percent of Bobby's

Lina20 [59]

Answer: 12/60 as a percentage is 20%

Step-by-step explanation: boby is 12 and his grandfather is 60 so Bobby’s age is 12/60 of his grandfather and as a percentage it’s 20%

5 0

3 years ago

Read 2 more answers

Evaluate the expression for n =8 <br> 3+7 x n

bonufazy [111]

Answer:n=-83/60 or -1.383

Step-by-step explanation:

4 0

3 years ago

PLSSSS HELPP ASSPPPP!!!!

Rina8888 [55]

Answer:

33 gallons

Step-by-step explanation:

44/20 = 2.2

$2.2 per gallon

2.2x15

4 0

3 years ago

Read 2 more answers

A hiker begins a trip by first walking 22.2 km

Dominik [7]

9514 1404 393

Answer:

20.6 km

Step-by-step explanation:

Using (East, North) coordinates, the hiker's position ends up being ...

22.2(cos(-45°), sin(-45°)) +40.1(cos(65°), sin(65°))

We're only interested in the second coordinate of this total, which is ...

22.2sin(-45°) +40.1sin(65°) ≈ -15.698 +36.343 = 20.645 . . . km

The y-component of the hiker's position at the end of the second day is 20.6 km north of her starting location.

4 0

2 years ago