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Drupady [299]
2 years ago
14

\sqrt{2x^2+x+1}+\sqrt{x^2-x+1}=3x

Mathematics
1 answer:
djyliett [7]2 years ago
7 0
X=1


Mark brainliest please


Hope this helps you
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A 10 meter long wire is attached to the top of a flagpole 5√3 meters long. What is the measure of the angle the wire makes with
liberstina [14]
Well there has to be a right angle in there somewhere as the pole must be perpendicular to the ground.

Using the sine rule:
sinA/a = sinB/b where a = 10, A = 90, b = 5√3, B = B
Re-arrange for B, B = arcsin (b(sinA)/a)
B = arcsin(5√3(sin90)/10)
B = 60 degrees.

Answer is C
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3 years ago
A car rental firm has 410 cars. Sixty-five of these cars have defective turn signals and 35 have defective tires. (Enter your pr
ollegr [7]

Answer:

(a)

Number of cars with defective turn signals = 65

Number of cars with no defective turn signals = 410 - 65 = 345

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3 0
2 years ago
Solve 8/-6 + 8 = 12.<br><br> a =
enot [183]
The correct answer is a = 12
4 0
3 years ago
The perimeter of a triangle ABC is 54. The triangle has side lengths AB=3x,BC=4x,and AC=5x. Find the length of each side.
Ilya [14]
3x+4x+5x=54
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x=4.5

Plug in the value of x into all three segments.

AB= 3*4.5= 13.5
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7 0
3 years ago
Please help with this question
My name is Ann [436]

In a symmetric histogram, you have the same number of points to the left and to the right of the median. An example of this is the distribution {1,2,3,4,5}. We have 3 as the median and there are two items below the median (1,2) and two items above the median (4,5).

If we place another number into this distribution, say the number 5, then we have {1,2,3,4,5,5} and we no longer have symmetry. We can fix this by adding in 1 to get {1,1,2,3,4,5,5} and now we have symmetry again. Think of it like having a weight scale. If you add a coin on one side, then you have to add the same weight to the other side to keep balance.

4 0
3 years ago
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