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4 years ago

On the first day of the play the auditorium was one third full if this. Pattern continues full will it be on the fourth day?

Mathematics

1 answer:

tigry1 [53]4 years ago

7 0

First day=1/3. Second=2/6 third=4/12 fourth=8/24

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Find the surface area of each figure. Round your answers to the nearest hundredth, if<br> necessary.

steposvetlana [31]

Answer:

1) 651.5 cm²

2) 462 cm²

3) 99 ft²

4) 1540.8 yd²

Step-by-step explanation:

1) Area of the trapezoid: (12 + 7)/2 * 6.5 = 61.75 cm²

Area of the lateral rectangles: 7*16 = 112 cm²

Area of the top rectangle: 12*16 = 192 cm²

Area of the bottom rectangle: 7*16 = 112 cm²

Area of the figure: 192 + 112 + 2*61.75 + 2*112 = 651.5 cm²

2) Area of the top and bottom squares: 11*11 = 121 cm²

Area of the lateral rectangles: 11*5 = 55 cm²

Area of the figure: 4*55 + 2*121 = 462 cm²

3) Area of the trapezoid: (3 + 7)/2 * 3.5 = 17.5 ft²

Area of the lateral rectangles: 4*4 = 16 ft²

Area of the top rectangle: 7*4 = 28 ft²

Area of the bottom rectangle: 3*4 = 12 ft²

Area of the figure: 28 + 12 + 2*17.5 + 2*12 = 99 ft²

4) Area of the lateral rectangles: 11*12 = 132 yd²

Area of the top and bottom hexagons: 3*12*10.4 = 374.4 yd²

Area of the figure: 6*132 + 2*374.4 = 1540.8 yd²

8 0

3 years ago

Why did the student dislike the average teacher?

wlad13 [49]

I think because she has more harder stuff

8 0

3 years ago

Fran would like to estimate the mean amount of time it takes people in her town to travel to work. The town's population is 150,

castortr0y [4]

Answer: A,D

Step-by-step explanation: I think that it is right?

5 0

3 years ago

There are 7 people at a party. If each person shakes the hand of everyone exactly once, how many handshakes will take place show

makkiz [27]

So if there is 7 people and shakes the hand of everyone once it would be 6 shakes for one person to shake all the 7 people.6 because himself is counted as one.
So if we multiply 6x7 we would have our answer which in this case is 42
42 handshakes in total from everybody.

4 0

4 years ago

Read 2 more answers

223 people need to ride the elevator to the top of a skyscraper. The elevator can hold 9 people at a time. How many people will

topjm [15]

Answer:

9 people would be on the elevator when it goes on its last trip

Step-by-step explanation:

24 x 9 = 216

25 x 9 = 225

225 - 216 = 9

So there is an 9 difference

8 0

3 years ago