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maria [59]
4 years ago
14

Will give brainliest answer

Mathematics
1 answer:
bulgar [2K]4 years ago
5 0

Answer:

71

Step-by-step explanation:

An exterior angle of a triangle is equal to the sum of the opposite interior angles.

You see that ∠EHI is an external angle of triangle BHD

=> ∠BHD = ∠B  + D

=> ∠BHD = 40 + 31 = 71 or ∠x = 71

You might be interested in
A card is selected at random from a standard deck of 52 cards find the probability of choosing a spade or a 8card
Nina [5.8K]

Answer: 8 out of 52

Step-by-step explanation: there are 52 cards and you are trying to figure out out 52 which one out the 52 would be 8 or a spade there are 4 8 cards and 4 spade cards the answer would be 8 out of 52                                      Hope this Helps You!

4 0
3 years ago
Which transformations could have taken place? select two options. r0, 90° r0, 180° r0, 270° r0, –90° r0, –270°
Lelechka [254]

The complete question is

"One vertex of a polygon is located at (3, –2). After a rotation, the vertex is located at (2, 3). Which transformations could have taken place? Select two options. R0, 90° R0, 180° R0, 270° R0, –90° R0, –270°"

The transformations that could have taken place are R0, 270°or R0, -90°

Let the vertex be V.

So, we have:

V = (3, –2)  before rotation

V' = (2, 3) after rotation

The possible transformations from V to V' are;

A 90 degrees counterclockwise rotation (r0, -90) is given :

(x, y) --(-y , x)

So,

(3, –2) --- (2, 3)

A 270 degrees clockwise rotation (r0, 270) is given :

(x, y) --(-y, x)

So,

(3, –2) --- (2, 3)

By comparing the endpoints of the rotations to V' = (2, 3), we can conclude that the transformations that could have taken place are: r0, 270°or r0, -90°.

Read more about transformations at:

brainly.com/question/11707700

#SPJ1

7 0
3 years ago
Please help me with this...................
wariber [46]

Answer:

(h1,x1,)=(1,-8) (h2,x2) (8/27,--,-27) (h=-27) I think this is the answer h=-27

4 0
3 years ago
If a x 10^n is scientific notation, then a must be between 1 and
Yanka [14]

Answer:

  A)  10

Step-by-step explanation:

In the US, a number in scientific notation will have a mantissa (a) such that ...

  1 ≤ a < 10

That is, the value of "a" must be between 1 and 10 (not including 10).

_____

<em>Comment on alternatives</em>

In other places or in particular applications (some computer programming languages), the standard form of the number may be a×10^n with ...

  0.1 ≤ a < 1

In engineering use, the form of the number is often chosen so that "n" is a multiple of 3, and "a" is in the range ...

  1 ≤ a < 1000

This makes it easier to identify and use the appropriate standard SI prefix: nano-, micro-, milli-, kilo-, mega-, giga-, and so on.

4 0
3 years ago
30 points!!A rectangle is drawn on a coordinate plane. Three vertices of the rectangle are points A(−7,2) , B(3,2) , and D(−7,−2
Rainbow [258]

Answer:

The distance should be two units.

Step-by-step explanation:

Looking at the correlation [after knowing it's a rectangle] between point(s) A and D, they both have opposite X's. And that tells me that B and C have to be opposite as well to match a rectangle.

Therefore, C should be 3,-2, since it's B's opposite Y.

Hopefully this makes sense and you get this question correct! :)

6 0
3 years ago
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