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Afina-wow [57]
3 years ago
8

What value of 0 makes sin0=cos60 a true statement?

Mathematics
1 answer:
timama [110]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Using the co function identity

sin x = cos(90 - x) = cos(90 - 30) = cos60° ← x = 30°, thus

sin30° = cos60°

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Well, we can denote L and W for the length and width respectively. Lets say the A is the area, we have: 1. A=(L × W) as well as 2. 2(L+W)=400. We rearrange the second equation to get 3. W=200-L. From this, we can see that 0<L<200. Substitute the third equation into the first to get A=(200L-L²). put this formula into the scientific calculator and you will find a parabola with a maximum. That would be the maximum area of the enclosed area. Alternatively, we can say that L is between 0 and 200 when the area equals 0. (The graph you find will be  area against length). As the maximum is generally found halfway, we substitute 100 into the equation and we end up with 10000.

Hope this helps.
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3 years ago
Keisha has a straightedge and a compass, but noprotractor. What kind of angle can Keisha draw exactly with only these tools?
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5 0
3 years ago
Create a set of coordinates to model a relation that is a linear function.
STALIN [3.7K]
I will create a set of arbitrary constants (x1,y1) (x2,y2)

slope = y2-y1/x2-x1

y = (y2-y1/x2-x1)x + b

y2 = (y2-y1/x2-x1)x2 + b

b = y2 - (y2-y1/x2-x1)x2

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Choose any points and just 
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NOT SURE IF THAT'S WHAT THE QUESTION WANTS.





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3 years ago
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7 0
3 years ago
Read 2 more answers
What is the y-value to the solution of y = 5x -4 and y = 2x + 8
Fiesta28 [93]

Answer:

At the bottom!

Step-by-step explanation:

Put the two equations into the same standard form:

2x-y=8

-5x+2y=3

Now if you add the two equations up, guess what will happen?

You will "eliminate" the y variable, and only be left with the x variable.

Technically, you will get:

2x-y+2+28-5x+29+2y=8+23

-3x+20y=11

-3x=11

6 0
3 years ago
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