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Andrews [41]
3 years ago
15

If x-12sqrt + 36=0 What is the value of X

Mathematics
1 answer:
NISA [10]3 years ago
6 0

Answer:

boy/girl you are in collage why u asking us its always one step forward and three seps back

Step-by-step explanation:

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The graph of a sinusoidal function has a minimum point at (0,3)(0,3) and then intersects its midline at (5π,5)
bekas [8.4K]

Answer: F(x) = 2*sin(x/10  +(3/2)*pi) + 5

Step-by-step explanation:

The information that we have is that:

We have a minimum at (0, 3)

the midline is at (5*pi, 5)

This is a sinusoidal function, so we can write one generic one as:

F(x) = A*sin(c*x + p) + B.

where A and B are constants, c is the frequency and p is a phase

First, the minimum of the sine function is when sin(x) = -1, and this happens at (3/2)*pi

We know that this minimum is at x = 0.

sin(c*0 + p) = -1

Then p = 3/2*pi.

So our function is:

F(x) = A*sin(c*x  +(3/2)*pi) + B.

Now, we know that F(0) = 3, so:

3 = A*sin(c*0 +(3/2)*pi) + B = -A + B.

now we can use the other hint, the midpoint of the sine function is when sin(x) = 0, and this happens at x = 0 and x = pi, particularlly as we here have a phase of 3/2*pi, we should find x = 2*pi.

then:

c*5*pi + (3/2)*pi = 2*pi

c*5 + 3/2 = 2

c*5 = 2 - 3/2 = 1/2

C = 1/2*5 = 1/10

So our function is

F(x) = A*sin(x/10  +(3/2)*pi) + B

and we know that when x = 5*pi, F(5*pi) = 5, so:

5 = F(x) = A*sin(5*pi/10  +(3/2)*pi) + B

5 = B

and we aready knew that:

- A + B = 3

-A + 5 = 3

A = 5 - 3 = 2

So our equation is:

F(x) = 2*sin(x/10  +(3/2)*pi) + 5

8 0
3 years ago
How old am i if 200 reduced by 2 times my age is 16
tatyana61 [14]
x-your\ age\\\\200-2x=16\ \ \ \ \ |subtract\ 200\ from\ both\ sides\\-2x=-184\ \ \ \ \ \ |divide\ both\ sides\ by\ (-2)\\\boxed{x=97}\leftarrow answer
4 0
2 years ago
How is 3/5 the same as 3.5
seropon [69]
They are not the same 3/5 is greater than 3.5 because 3.5 as a fraction is 3/onehalf which i dont really know how to type 3 and a half on a pc but yea they are not the same. hope this helped
6 0
3 years ago
2x/x-3 - 6/x-3 . I need a step by step explanation , please
Harman [31]
When adding/subtracting fractions you need a common denominator, but you already have one, which is x-3.  So in general:

a/c-b/c=(a-b)/c so you just have:

(2x-6)/(x-3)  now if you factor 2 from the numerator

2(x-3)/(x-3)  the (x-3)s cancel out leaving

2

However!  Note that division by zero is undefined, so x cannot equal 3.  (because both original fractions had denominators of x-3)

What this all means is that that expression will equal 2 for all real values of x other than 3.
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2 years ago
What’s the answer??????????
LUCKY_DIMON [66]
The ans is: 
cos 20 =x/80
x=75.2
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