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Dima020 [189]
3 years ago
15

Plslllsss helllolpllll

Mathematics
1 answer:
Phantasy [73]3 years ago
4 0

Answer:

364

Step-by-step explanation:

First you take half of the base, which is 4, and multiply it by the height of 13. This will give you an area of 52 which you then multiply by 7 to get 364.

4 x 13 = 52

52 x 7 = 364

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Answer:

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2 years ago
What’s the answer to this math problem?v
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It’s A or D but I have a strong feelin it’s A
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Factor this expression completely, then place the factors in the proper location on the grid. 9x2 - y2
andreev551 [17]

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2 years ago
Please help with math (30 points)
ikadub [295]

Here we have some problems about circles, the solutions are:

  • a) 490.6 yd^2
  • b) x = 15
  • c) x = 27

<h3>How to find the area of a circle?</h3>

We know that for a circle of diameter D, the area is given by:

A = pi*(D/2)^2

where pi = 3.14

In the image we can see that the diameter of the circle is 25 yd, replacing that in the area equation we get:

A = 3.14*(25yd/2)^2 = 490.6 yd^2

<h3>How to find the value of x?</h3>

<u>For the second image</u>, each line creates two 180° angles. So, if we look at the tilted line, we can see that it is divided in two angles, one of 37° and the other that depends of x, so we can write:

180° = 37° + (9x + 8)°

180° - 37° - 8°  = (9x)°

135°/9° = x = 15

So the value of x is 15.

For the last image:

Notice that we have a 90° angle denoted, then <u>the other 3 sections must add up to 270°.</u>

270° = 54° + (2x + 21)° + (5x + 6)°

Now we solve this for x:

270 - 54 - 21 - 6 = 2x + 5x

189 = 7x

189/7 = x = 27

x is equal to 27

If you want to learn more about circles, you can read:

brainly.com/question/25306774

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2 years ago
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Zolol [24]

Answer:

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The answer of your question is 729.

6 0
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