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Bogdan [553]
3 years ago
10

If you have a 30, 60, 90 triangle, evaluate the sin 30∘. (Remember, the sides in a 30, 60, 90 triangle the sides are correspondi

ng to the pattern 1, 2, and √3. Sketch the triangle to find the solution.)
A) 1/2
B) 3/4
C) 5/2
D) 4/2
Mathematics
2 answers:
algol133 years ago
8 0
B but I’m not 100% sure
aleksklad [387]3 years ago
4 0
The answer is A I think
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Help me please there is really not much you need to know it’s all here
iren2701 [21]

The equation for a 180 degree angle is

(X,Y) - (-x,-y) so the original is at (2,4)(4,4)(2,6)(4,6) so you would Change them all to negatives (-2,-4)(-4,-4)(-2,-6)(-4,-6) so plot those then move it over to the left 3 units then up 7 and that’s your final answer

7 0
4 years ago
What are two possible measures of the angle below?
deff fn [24]

For this case what we must do is take into account that the angle can be measured in two ways starting from the positive x axis.

  1. <em>1) Counterclockwise </em>
  2. <em>2) Clockwise direction </em>

We have then that the measures between both lines are given by:

1) Counter-clockwise: 90 degrees

2) Clockwise: -90-90-90 = -270 degrees

Answer

two possible measures of the angle below are:

-270 ° and 90 °

5 0
4 years ago
Read 2 more answers
the perimeter of a rectangle can be found by using the formula P=21+2w. What is the width of the rectangle if the perimeter is 1
mixas84 [53]
\begin{gathered} P=2l+2w \\ \text{If l=50 and P=100, then:} \\ 100=2(50)+2w\Rightarrow0=2w\text{ !!!!} \end{gathered}

Since this can't happen, let's suppose that P=150, then:

\begin{gathered} P=2l+2w \\ \Rightarrow150=2(50)+2w \\ \Rightarrow150=100+2w \end{gathered}

Now we have to move the 100 to the other side of the equation with a negative sign to get this:

\begin{gathered} 150=100+2w \\ \Rightarrow150-100=2w \\ \Rightarrow50=2w \end{gathered}

Finally, to get w, we move the 2 that's multiplying to the other side dividing the 50:

\begin{gathered} 50=2w \\ \Rightarrow\frac{50}{2}=w \\ \Rightarrow w=25 \end{gathered}

Therefore, the width of the rectangle would be 25 ft if the perimeter is 150ft, and we can see how the rectangle would look:

6 0
2 years ago
Circle the tens digit in each number 31, 94, 17
Georgia [21]
3 in 31, 9 in 96, 1 in 17.
3 0
4 years ago
Read 2 more answers
Everything is on link
anzhelika [568]
Y=5x-6
-6 is where it hits the y-axis
And I got the five from counting where it hits through the graph perfectly
6 0
3 years ago
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