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Dmitrij [34]
3 years ago
12

Which polynomial represents the sum below?

Mathematics
1 answer:
marin [14]3 years ago
7 0

Answer:

C

Step-by-step explanation:

(4x^2+1)+(4x^2+x+2)= \\\\(4x^2+4x^2)+x+(1+2)= \\\\8x^2+x+3

Hope this helps!

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Can the sides of a triangle have length 1,3 and 5
Katen [24]

Answer:

No.

Step-by-step explanation:

The two smallest sides must be greater than the biggest side when added up in order to form a complete triangle.

1+3 is 4, which is less than five, so the triangle wouldn't be connected.

Essentially, imagine a triangle where one line is too short to reach the other two, which is what was just explained--the smallest sides must add up to be greater than the biggest side in order to form a complete triangle.

8 0
3 years ago
Please help me answer all parts of the question in the photo.
goldenfox [79]
z_1=4+2i\\z_2=-1+2i\\\overline(z_2)=\sqrt{(-1)^2+(2i)^2}=\sqrt{1-4}=i\sqrt{3}\\ z_1+\overline(z_1)=4+2i+\sqrt{4^2+(2i)^2}=4+2i+\sqrt{16-4}=4+\sqrt{12}+2i\\z_2+\overline(z_2)=-1+2i+\sqrt{(-1)^2+(2i)^2}=-1+2i+\sqrt{1-4}=-1+(2+\sqrt{3})i
3 0
3 years ago
WILL MARK BRAINLIEST
mafiozo [28]

Answer:

0.21

Step-by-step explanation:

36%= .36

11/25= .44

4 0
2 years ago
Read 2 more answers
Find the measure of angle X in the triangle below.
Elan Coil [88]

Answer:

  X = 89.92° or 90.08°

Step-by-step explanation:

The law of sines can be used to find the value of angle X:

  sin(X)/26 = sin(67.38°)/24

  sin(X) = (26/24)sin(67.38°) ≈ 0.99999901787

There are two values of X that have this sine:

  X = arcsin(0.99999901787) ≈ 89.92°

  X = 180° -arcsin(0.99999901787) ≈ 90.08°

There are two solutions: X = 89.92° or 90.08°.

_____

<em>Comment on the problem</em>

We suspect that the angle is supposed to be considered to be 90°. However, the given angle is reported to 2 decimal places, so we figure the requested angle should also be reported to 2 decimal places.

The lengths of the short side that correspond to the above angles are 10.03 and 9.97 units. If the short side were considered to be 10 units, the triangle would be a right triangle, and the larger acute angle would be ...

  arcsin(24/26) ≈ 67.38014° . . . . rounds to 67.38°

This points up the difficulty of trying to use the Law of Sines on a triangle that is actually a right triangle.

3 0
3 years ago
Read 2 more answers
Create a model showing 80% of 300
Vinil7 [7]
I made this graph for you-  the red is the 80%, and the green is the leftover 20%. 

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3 years ago
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