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3 years ago

Whats 1+1? In numberal form of fashion?

Mathematics

2 answers:

meriva3 years ago

6 0

The answer to your question is ll

Eduardwww [97]3 years ago

5 0

Answer:

I + I = II is the answer.

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1. The following diagram shows part of the graph of y=p⋅sin(qx)+r. The point A (15, 2) is a maximum point and B(45, 1) is a mini

siniylev [52]

Answer: y = (1/2)*sin(x*pi/30) + 3/2

Step-by-step explanation:

We have the equation:

y = p*sin(q*x) + r.

in this case, p is the amplitude, which is calculated as half of the difference between the value at the peak (the maximum) and the value at the troughs (the minimums).

q is related to the period

r is the mid value of the function, will be equal to the minimum plus the amplitude (or the maximum minus the amplitude).

We know that the maximum is (15, 2) (x = 15, y = 2)

We know that the minimum is (45, 1) (x = 45, y = 1)

Then the value of y at the peak is 2, and the value of y at the trough is 1.

This means that the amplitude is:

p = (2 - 1)/2 = (1/2)

And we know that r is equal to the minimum plus one time the amplitude, then:

r = 1 + 1/2 = 3/2.

Then, for now, our equation is:

y = (1/2)*sin(q*x) + 3/2.

Now we can use the information that (15, 2) is a maximum.

We know that the maximum value of the function sin(x) is 1.

and it is when:

x = (pi/2) + n*2*pi (where n is a whole number)

Then we must have that:

15*q = (pi/2) + n*2*pi

as this is periodic, we can define n = 0 and it will be the same.

15*q = pi/2

q = (pi/2)/15 = pi/30.

Now, let's test this with the minimum.

The minimum of the sin(x) function is when:

x = (3/2)*pi + k*2*pi (where k can be any whole number)

and we have a minimum at x = 45, then:

q*45 = (3/2)*pi + k*2*pi

(pi/30)*45 = (3/2)*pi + k*2*pi

(45/30) = (3/2) + k*2

3/2 = 3/2 + k*2

If we take k = 0, then the equality is true

Then q = pi/30 is consistent.

So we can conclude that the equation is:

y = (1/2)*sin(x*pi/30) + 3/2

5 0

3 years ago

Weight of a parakeet customary unit

vladimir1956 [14]

There are many different types of parakeets and therefore many different 'ideal weights'. The most common pet parakeet is the budgerigar whose ideal weight is about 30-40 grams. I would answer 3 to 5 ounces.

3 0

3 years ago

I have no clue how to solve this please help

borishaifa [10]

What are you trying to solve dear

5 0

3 years ago

How many faces does this pyramid have? A net has a rectangular base and 4 triangles on the sides. faces

IrinaK [193]

Answer:

5 faces

Step-by-step explanation: