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sattari [20]
3 years ago
9

List the ordered pairs that match the table

Mathematics
1 answer:
AveGali [126]3 years ago
5 0

Answer:

{(-5, 3), (2, -5), (2, 9), (3, -6), (5, -3)}

Step-by-step explanation:

Start on the left side, that number is the x.

List them in pairs the left x number with the right y number it points to.  

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The question is about trigonometry solving two sides it is a right triangle hypotenuse is X left side is 20 bottom side is 21 i
elena55 [62]

Answer:

x = 29

Angle A = 46.4°

Angle B = 43.6°

Step-by-step explanation:

Since it is a right angle triangle, we can find x from pythagoras theorem;

x = √(20² + 21²)

x = √(400 + 441)

x = √841

x = 29

Using trigonometric ratios we can find angles A and B.

Opposite is 20

Adjacent is 21

Thus; opp/adj = tan B

20/21 = tan B

B = tan^(-1) 0.9524

B = 43.6°

Sum of angles in a triangle is 180°. Thus;

A = 180 - (90 + 43.6)

A = 46.4°

4 0
2 years ago
I NEED THIS ASAP about the Pythagorean
Natalija [7]

Answer: 24.49 or 24.5 if rounded.

Step-by-step explanation: We have to use the pythagorean theorem of course...

a² + b² = c²

15² + 20² = c²

225 + 400 = c²

600 = c²

\sqrt{600}

c = 24.49 (If we round to the nearest tenth then the answer is 24.5)

8 0
3 years ago
How many sides can two congruent angles share
rjkz [21]
8 i think the answer
5 0
2 years ago
If f(x) = 3x - 5 and g(x) = 7x + 2, what is (f * g)(x)? NEED HELP ASAP!!!!
QveST [7]

Answer:(f*g)(x)= 21x^2 -29x -10


Step-by-step explanation:

(3x-5)(7x+2)

21x^2-35x+6x-10

21x^2-29x-10

6 0
3 years ago
PLEASE HELP! EASY MATH! GIVING BRAINLIEST!
grin007 [14]

Part 1) The surface that is shared by the two solids is the top of the cube that is the same that the square base of the pyramid

Part 2) The dimensions of this surface are 6 in x 6 in

Part 3) Molly needs to paint 228 square inches

Step-by-step explanation:

The picture of the question in the attached figure

Part 1) Which surface is shared by the two solids?

we know that

The surface that is shared by the two solids is the top of the cube that is the same that the square base of the pyramid

Part 2)  What are the dimensions of this surface?

The surface is a square with side length 6 inches

so

The dimensions of this surface are 6 in x 6 in

Part 3) what is the area molly needs to paint?

we know that

The area that Molly needs to paint is equal to the surface area of the cube plus the surface area of the pyramid minus two times the area of the surface that is shared by the two solids

so

therefore

Molly needs to paint 228 square inches

<em>i hope this helps you</em>

6 0
3 years ago
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