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lukranit [14]
3 years ago
6

Having trouble with number 5 can someone please help me with it quickly?

Mathematics
1 answer:
Luda [366]3 years ago
3 0

Answer:

I think the answer is 90 degrees

Step-by-step explanation:


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Which is greater? 0.8 or 3/4
miskamm [114]
0.8 is greater because 3/4 equals .75 
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Katie's business is going so well she wants to expand and add a shirt. She makes an isosceles triangle logo like the one below.
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If a simple harmonic motion is described by x = 3 cos(πt), starting from t = 0 s, what is the first occurrence of a value of t f
poizon [28]

Answer:

The first occurence of t for which x = 0 is t = 0.5.

Step-by-step explanation:

The harmonic motion is described by the following equation.

x(t) = 3\cos{\pi t}

What is the first occurrence of a value of t for which x = 0?

This is t when x(t) = 0. So

x(t) = 3\cos{\pi t}

3\cos{\pi t} = 0

\cos{\pi t} = \frac{0}{3}

\cos{\pi t} = 0

The inverse of the cosine is the arcosine. So we apply the arcosine function to both sides of the equality.

\arccos{\cos{\pi t}} = \arccos{0}

\pi t = \frac{\pi}{2}

t = \frac{\pi}{2 \pi}

t = \frac{1}{2}

t = 0.5

The first occurence of t for which x = 0 is t = 0.5.

3 0
3 years ago
the graph of a quadratic function f passes through the origin and the maximum value of f is 5 when x=4 find f
Hitman42 [59]

Answer:(-5/16)x^2 +(5/2)x

Step-by-step explanation:

7 0
2 years ago
What is the average rate of change for the line shown in the graph
kompoz [17]

Answer:

The average rate of change is 10.

Step-by-step explanation:

Since the average rate of change is the slope of a line, you'd solve this problem by finding the slope.

First, you can start by using the \frac{y_2-y_1}{x_2-x_1} method.

Plug in the points (0,10) and (1,20).

\frac{20-10}{1-0} =\frac{10}{1} =10

Therefore your answer is 10.

Hope this helped!

6 0
2 years ago
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