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IRINA_888 [86]
3 years ago
8

Which ordered pair satisfies the system of equations shown below? (10 POINTS + BRAINLIEST ANSWER)

Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0
The answer would be D.
 you would start by choosing one of the variables to eliminate, i chose to eliminate X first. in order to eliminate X, i had to multiply the second equation by -2. X then cancelled out, and i solved for the Y the same way you would a 1 step equation. Y=-4
I then took the first original equations, plugged Y in, and solved for X. X=3.

Hope this helps!
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So when you add 3+4 you get 7, but what if you divide 7 by 4? Do you still get 3?
krek1111 [17]
No you wouldn’t it would be a different answer
7 0
3 years ago
Read 2 more answers
Order these numbers from least to greatest.<br> 11<br> ,<br> 3.30<br> ,<br> 175<br> ,<br> −10
timurjin [86]
If you would like to order the following numbers from least to greatest, you can do this using the following steps:

<span>11, 3.30, 175, - 10
</span>- 10 < 3.30 < 11 < 175

The correct result would be <span>- 10 < 3.30 < 11 < 175</span>.
5 0
3 years ago
A pole 5 feet tall is used to support a guy wire for a tower, which runs from the tower to a metal stake in the ground. After pl
sammy [17]

The length of the guy's wire to the nearest foot is 89 feet.

The situation forms a right-angled triangle.

<h3>Properties of a right angle triangle:</h3>
  • A right-angle triangle has one angle of 90 degrees.
  • The sides can be found using the Pythagoras theorem.
  • The angles can be found using trigonometric ratios.

The hypotenuse of the triangle is the length of the wire.

let's use the smaller triangle to find the angle opposite the tower. Therefore,

tan ∅ = opposite / adjacent

tan ∅ =  5 / 2

∅ = tan⁻¹ 2.5

∅ = 68.1985905136

∅ = 68.20°

Therefore,

cos 68.20 = adjacent / hypotenuse

cos 68.20 = 33 / hypotenuse

hypotenuse = 33 / cos 68.20

hypotenuse = 88.8606843161

Therefore,

length of wire ≈ 89 feet.

learn more on triangles here; brainly.com/question/25762788?referrer=searchResults

4 0
2 years ago
Hey help please math I need help good luck I’ll I’ve point
fredd [130]

Answer:

180 degrees

Step-by-step explanation:

180 degrees would flip the triangle halfway through a full circle. B is A upside down rotated halfway through a full circle.

7 0
3 years ago
Draw the image of the following triangle after a dilation centered at the origin with a scale factor of 2.
Natasha_Volkova [10]
I really don’t know but I guess 2
5 0
3 years ago
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