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Leona [35]
4 years ago
7

Pls help with this question. WILL MARK BRAINLIEST + 10 POINTS!!!!! :D#7

Mathematics
1 answer:
Mandarinka [93]4 years ago
4 0
The answer is the second choice π/2+360 ; π/2-360
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Can you prove the figure is a parallelogram based on the given information? Explain.​
Bond [772]

Answer:

yes it is a parallelogram

Step-by-step explanation:

it is a parallelogram as opposite sides are equal and parallel

5 0
3 years ago
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No files please! thanks
BigorU [14]

Answer:

y = -\frac{1}{3}

2\frac{2}{3}=x

Step-by-step explanation:

To solve a system of equations, solve one or both of the equations for the same variable. Then multiply one of the equations such that the coefficients of one variable are the additive inverse of the variable in the other equation. After doing so, add the two equations, then solve for the other variable using inverse operations. Finally, substitute the value of the other variable into one of the original equations in the system and solve for the unknown variable.

2x + y = 3

y = x - 2

First, manipulate the first equation such that the equation is solved for (y), this can be done using inverse operations,

y = 3 - 2x

y = x - 2

Now multiply the second equation by (2) so that the (x) coefficients are additive inverses of each other,

y = 3 - 2x

2y = 2x - 4

Add the equations,

3y = -1

Inverse operations,

3y = -1

/3     /3

y = -\frac{1}{3}

Now back solve, substitute the value of (y) into the equation and solve for (x),

y=x-3\\

Substitute,

(-\frac{1}{3})=x-3

+3

2\frac{2}{3}=x

5 0
3 years ago
Please help! thanks!!!
DerKrebs [107]

Answer:

27.5 = CE

Step-by-step explanation:

The two triangles should be similar to each other, so we can set up a ratio of 15:6. This gives us a final ratio of 2.5:1 Multiply EA = 11 by 2.5 to find its corresponding side measure

11*2.5 = 27.5

6 0
3 years ago
HEEEEEEEELP PLZZZZ ILL GIVE U BRAINLIEST
borishaifa [10]
A good rule is to change 10 to 15 percent of the water each week. If your tank is heavily stocked, bump that up to 20 percent each week. A lightly stocked aquarium can maybe get by for two to four weeks, but this should be the maximum length of time between water changes.
7 0
3 years ago
True or false<br><br> Based on the information in the diagram abc ≅ def
3241004551 [841]

Answer:

True

Step-by-step explanation:

3 0
3 years ago
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