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Elza [17]
3 years ago
9

Plsss Answer 100% will mark as brainlist!!!In the following figure ABCD, find the value of x​

Mathematics
2 answers:
Gala2k [10]3 years ago
8 0

Answer:

x = 140°

Step-by-step explanation:

Sum of exterior angles of polygon is 360°

That is, x + 70 + 80 + 70 = 360

           x + 220 = 360

           x = 360 - 220 = 140°

Nadusha1986 [10]3 years ago
6 0

Answer:

80°

because its diagnol so the one in the top corner is the same as x

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Is the answer to this problem is 11200?
hoa [83]

Answer:

7 minutes

Step-by-step explanation:

1000 stairs in 25 minutes

280 stairs in 280*25 / 1000 = 7 minutes

6 0
3 years ago
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the area of a square can be represented by the expression X to the 10th. Which my normal represents the side of the square?
GalinKa [24]

Answer:

x^5

Step-by-step explanation:

Because the area of a square can be found by squaring one of its side lengths, we can set up this equation:

(x)^2 = x^10

Using properties of exponents, I know that I can turn the exponent of a similar base from 2 to 10 by multiplying it by 5. Therefore, I know that the side length of this square is x^5.

3 0
3 years ago
4x-3= -12x+5 <br> what is x?
yulyashka [42]
-.25 is the answer.
5 0
4 years ago
Mrs.Stone is three times older than her younger daughter, Joyce, but only two times older than her older daughter, Alex. How old
olchik [2.2K]

Answer:

54 years

Step-by-step explanation:

Joyce age = x

Alex age = y

3x = 2y - - - (1)

y - 9 = 2(x - 9)

y - 9 = 2x - 18

-9 + 18 = 2x - y

9 = 2x - y

y = 2x - 9 - - (2)

3x = 2y

3x = 2(2x - 9)

3x = 4x - 18

18 = 4x - 3x

18 = x

Hence,

Mrs stone is 3 * 18 = 54 years

5 0
3 years ago
Which rule describes the x-coordinates in the translation below?.
Furkat [3]

Answer:

A) x + 0

Step-by-step explanation:

In triangle ABC, the coordinates are: A(1, -1), B(1, -5) and C(4, -5)

In triangle A'B'C', the coordinates are: A(1, -5), B(1, 1) and C(4, 1)

Look at the x-coordinates in both the triangles remains the same because the triangles are reflected over x-axis, therefore, only the y-coordinate changes.

Therefore, the rule for x-coordinates = x + 0

Answer: A) x + 0

Hope this was helpful.

Thank you.

6 0
3 years ago
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