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vitfil [10]
3 years ago
13

I need help finding the missing side length with the answer in radicals in the simplest form.

Mathematics
1 answer:
AlekseyPX3 years ago
4 0

Answer:

C

Step-by-step explanation:

There’s nothing hard with this

You need to know special right triangles

This is a 30,60, 90 triangle

We automatically know becuase theres. Right angle (90) and a 60 degree angle

now the formula is the smallest side is (n) {I’m using N becuase theres already an X) or in this case, 6

The hypotenuse, the one directly above the 2nd biggest side, or the diagnoal side is 2n or (12). Now we know what X is in this situation which is 12. So that narrows it to 2 answers

Now the side on the bottom of the hypotenuse, the second biggest side is used in the formula N\sqrt{3}. So we know what N is in the beginning, 6 so we just plug that in and well get C. Attached is a photo on q 30, 60, 90 special right triangle

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What is the coordinates of the vertex of y+10=4(x-1)^2​
trasher [3.6K]

Answer:

(1, -10)

Step-by-step explanation:

Only the y can be on the left hand side. The square has been completed so all you need do is transfer the 10 to the right and read the x,y values for the vertex.

I have provided a graph to show you that the vertex and my answer are the same (hopefully).

y + 10 = 4(x - 1)^2          Subtract 10 from both sides.

y + 10-10=4(x -1)^2 -10  Combine

y = 4(x - 1)^2 - 10

Now we need to make the square term = 0

x - 1  = 0                        Add 1 to both sides

x - 1 + 1 = 0 +1               Combine

x = 1                              When x = 1 the square term will equal 0.

The vertex should be (1, - 10)

8 0
3 years ago
What is 9% sales tax on a $15.00 shirt
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That would be 9% of 15.....turn ur percent to a decimal..." of " means multiply

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3 0
3 years ago
Read 2 more answers
In which quadrant will θ lie if csc θ &gt; 0 and cos θ &lt; 0?
musickatia [10]

\csc\theta=\dfrac{1}{\sin\theta}

We know:

\sin\theta > 0 in I and II quadrant

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Therefore your answer is:

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7 0
3 years ago
-7 x - 2y = -13 <br> x - 2y = 11
VashaNatasha [74]
Well the first one would convert to
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A store manager is looking at past jewelry sales to determine what sizes of rings to keep in stock. The list shows the ring size
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Mean = 6.4

Squared of the sum of the differences = (9-6.4)^2 + (7-6.4)^2 + (6.5-6.4)^2 + (7.5-6.4)^2 + (7-6.4)^2 + (8-6.4)^2 + (5-6.4)^2 + (6-6.4)^2 + (7.5-6.4)^2 + (8-6.4)^2 = 17.15

Variance = 17.15 / 10 = 1.715
4 0
4 years ago
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