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Agata [3.3K]
3 years ago
9

Surface area 20 points

Mathematics
1 answer:
shepuryov [24]3 years ago
3 0

Answer:

612 m^2.

Step-by-step explanation:

Area = area of 3 rectangles + area of 2 triangles

= 15 * 14 + 9 * 14 + 12 *14 + 1/2 * 9 * 12 + 1/2 * 9 * 12

= 210 + 126 + 168 + 54 + 54

= 612 m^2.

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What is the perimeter of this figure, to the nearest unit?
lana66690 [7]

Answer:

P=38

Step-by-step explanation:

At this case I would use the circumference formula for the rounded part.

The formula of the circumference is C=2πr.

So... We know that the radius is 5 which is half of the diameter. So... C=2π5 which is C=10π or C=31.4 which we divide by 4 because on the image is 1/4th of a circle and C/4 which C=7.85 so the P of the whole figure is P=10+10+5+5+7.85 which is P=37.85 which will be P=38.

Answer: P=38

7 0
3 years ago
Check my answers please thank you
Bogdan [553]

16-20 are correct. <em>Remember to mark the first #20 as A</em>

The last #20 is wrong. The answer is B. 95 minutes.

10:55 - 11:00 =  5 minutes

11:00 - 12:00 = 60 minutes

<u>12:00 - 12:30</u> = <u>30 minutes</u>

            Total = 95 minutes

8 0
3 years ago
I need to figure out which of these passes the vertical line test.
Yakvenalex [24]

Answer:

C

Step-by-step explanation:

The VLT is true if every x value has exactly 1 y value, which is true only in answer c.

5 0
3 years ago
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
zhannawk [14.2K]

Answer:

y=27;y=−42

Step-by-step explanation:

33−y=6;63+y=21

y=27;y=−42

I hope this helps!

3 0
3 years ago
Read 2 more answers
How many milliliters is in 50 liters of gas
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50000 millilitres Is in 50 liters of gas.
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