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Marat540 [252]
3 years ago
11

Please help this is due in 4 hours

Mathematics
1 answer:
vovikov84 [41]3 years ago
7 0
X=14
Y=14
Perimeter=56
The reason is because if you see 8 and 6 you can see that the lines are equivalent so I just assumed that the missing lines are 8 and 6. So I added the number up causing x and y to be 14 then for perimeter I simply just multiplied 14x4 which is 56.
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Elton is a candle maker. Each 15 centimeter long candle he makes burns evenly for six hours. If Elton makes a 45 long centimeter
Lina20 [59]

Answer:

18 hours

Step-by-step explanation:

15 centimeters -> 6 hours

Multiply by 3

45 centimeters -> 18 hours

4 0
3 years ago
Read 2 more answers
A cylinder has a surface area of 5652 square millimeters. If the diameter of the cylinder is 30 millimeters, what is the height?
o-na [289]
The formula for the surface area of a cylinder is:

\sf A=2\pi rh+2\pi r^2

Plug in what we know, use 3.14 to approximate for pi(radius is half the diameter, 30/2 = 15):

\sf 5652\approx 2(3.14)(15)h+2(3.14)(15)^2

Simplify:

\sf 5652\approx 94.2h+1413

Subtract 1413 to both sides:

\sf 4239\approx 94.2h

Divide 94.2 to both sides:

\boxed{\sf h\approx 45~mm}

So the height is approximately 45 millimeters.
7 0
3 years ago
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HELP ASAP!<br> Plase explain your answer!
mr Goodwill [35]

Answer:

10\ yd^2

Step-by-step explanation:

<u>Area Of Compound Regions</u>

When a surface has no regular shape, it can be usually divided into smaller regular parts and add their areas. The surface shown in the figure can be split into 3 smaller rectangles (please refer to the image below).

The area of the yellow part is

A_y=(1 yd)(3 yd)=3\ yd^2

The pink region has a height h=4 yd - 3 yd = 1 yd

The area of the pink region is

A_p=(4\ yd)(1\ yd)=4 \ yd^2

The total area is

A_t=2A_y+A_p=2(3)+4=10\ yd^2

3 0
4 years ago
the distance between two cities is 400000 meters. If the train travels at a speed of 80 kilometers per hours, how long will it t
Taya2010 [7]

Answer:

5  hours.

Step-by-step explanation:

  • If the train travels at a speed of 80 kilometers per hour, and a kilometer is equivalent to 1000 meters, then the train travels at a speed of 80\times1,000=80,000m
  • Then, to reach the 400,000 meters, it will take \frac{400,000}{80,000} =5, 5 hours.
5 0
3 years ago
A male polar bear is 2 7/9 meters long. A female polar bear is 1 5/6 long. Sidney thinks the male polar bear is 1 2/3 meters lon
-BARSIC- [3]

Answer: See explanation

Step-by-step explanation:

The difference in the length of the polar bear will be:

= 2 7/9 - 1 5/6

The lowest common multiple of 9 and 6 is 18.

= 2 7/9 - 1 5/6

= 2 14/18 - 1 15/18

= 17/18

She is incorrect as she subtracted the denominator from the numerators and didn't find their lowest common multiple. She got the answer this way:

= 2 7/9 - 1 5/6

= (2 - 1) (7-5)/(9-6)

= 1 2/3

4 0
3 years ago
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