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Scilla [17]
3 years ago
13

What is the value of x​

Mathematics
1 answer:
Oksana_A [137]3 years ago
6 0

Answer:

Split it into two triangles at the 110 degree angles. Each triangle needs to add up to 180 degrees. If there are two triangles, total should be 360 degrees. So the whole figure should have 360 degrees. 110+110+70 = 290 degrees. 360-290 = 70 degrees. 70/5 = 14 degrees.

There is also congruence between the triangles through which we can assume 5x will equal 70 degrees.

The type of figure it is also means the angles will be the same on opposite sides

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Rewrite sin^2 2xcos ^2 2x as an expression in terms of the first power of cosine
zavuch27 [327]

Answer:

Step-by-step explanation:

use the formula { a couple of times} cos 2 Θ = 2 cos ² Θ - 1 = 1 - 2 sin ² Θ....your answer will likely have a cos  2x , a cos 4x , and a cos 6x in it.....note : cos ² Θ - sin ²Φ = cos ( Θ + Φ) cos (Θ - Φ) will also be needed for appropriate choices of Θ & Φ in terms of x

8 0
2 years ago
because an item is slightly dameged, a stock clerk reduced the price by $6. this represents 15% reduction.what was the original
Paul [167]

Answer:

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8 0
3 years ago
Solve for b, then solve for each angle in the triangle
lesya692 [45]

We know that the sum of the interior angles of a triangle equals 180, then,in this case we have the following equation:

b+2b+(b+16)=180

then, solving for b, we get:

\begin{gathered} b+2b+(b+16)=180 \\ \Rightarrow4b+16=180 \\ \Rightarrow4b=180-16=164 \\ \Rightarrow b=\frac{164}{4}=41 \\ b=41 \end{gathered}

now that we have that b = 41, we can find the measure of each angle:

\begin{gathered} b=41 \\ 2b=2(41)=82 \\ b+16=41+16=57 \end{gathered}

7 0
10 months ago
The general equation for an ellipse?
allochka39001 [22]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Solve for x and then part b) find JL. Have no clue how to go about this
Igoryamba

9514 1404 393

Answer:

  • x = 4
  • JL = 16

Step-by-step explanation:

a) You go about this by using the given equation.

  Left + Right = Total

  JK + KL = JL

  (2x -3) + 11 = 4x

  8 = 2x . . . . . simplify, subtract 2x

  4 = x . . . . . . divide by 2

__

b) JL = 4x = 4·4

  JL = 16

8 0
2 years ago
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