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elixir [45]
3 years ago
8

Please help Solve: 2x2-x = 21

Mathematics
1 answer:
maksim [4K]3 years ago
5 0
The answer is x= -17
hope this helps
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State if the given binomial is a factor of the given polynomial.<br> (2x^3-2x^2+3x-2)/(x-2)
Step2247 [10]

Answer:

Step-by-step explanation:

If x=2, 2x^3-2x^2+3x-2 ≠ 0, so (x-2) is not a factor.

3 0
2 years ago
List these numbers from least to greatest. -10, 20, -30, 15
allochka39001 [22]

Answer: -30, -10, 15, 20

Step-by-step explanation:

4 0
3 years ago
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If EG=19 and FG=12 then EF=?
Volgvan

Answer:

EF = 31

Step-by-step explanation:

Note that in both line segments (EG & FG), they both have point G in them. This means that point G is the shared point and the mid-point. Add the two line segments together to get the full segment.

EG + FG = EF

19 + 12 = 31

31 is your answer

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3 0
2 years ago
Suppose given △ABD and △CBD.
patriot [66]

Answer:

The required result is proved with the help of angle bisector theorem.

Step-by-step explanation:

Given △ABD and △CBD, AE and CE are the angle bisectors. we have to prove that \frac{AD}{AB}=\frac{DC}{CB}

Angle bisector theorem states that an angle bisector of an angle of a Δ divides the opposite side in two segments that are proportional to the other two sides of triangle.

In ΔADB, AE is the angle bisector

∴ the ratio of the length of side DE to length BE is equal to the ratio of the line segment AD to the line segment AB.

\frac{DE}{EB}=\frac{AD}{AB}   →  (1)

In ΔDCB, CE is the angle bisector

∴ the ratio of the length of side DE to length BE is equal to the ratio of the line segment CD to the line segment CB.

\frac{DE}{EB}=\frac{CD}{CB}    →  (2)

From equation (1) and (2), we get

\frac{AD}{AB}=\frac{CD}{CB}

Hence Proved.

5 0
3 years ago
HELP will mark brainliest
Anastasy [175]

Answer:

x=55 degrees

Step-by-step explanation:

Angle X + 125 degrees is 180 degrees. 180 minus 125 is 55.

7 0
3 years ago
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