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steposvetlana [31]
3 years ago
8

What happens to the graph of a trigonemetric function if the amplitude, a, is negative?

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0

Answer:

Find the amplitude of a sine or cosine function. Find the period ... Question: What effect will multiplying a trigonometric function by a ... same as the graph of y = sin x and y = cos x, respectively, stretched ... With both graphs to look at, it is easier to see what ... the graph. Question: What happens if we allow the input variable, x.  A graph of a cosine curve is shown with attributes labeled. ... Use trigonometric (sine, cosine) functions to model and solve problems; justify results. a) Solve ... Amplitude - How far above or below the axis of the wave a sine or cosine function goes ... Note that the amplitude is always positive, even if the coefficient is negative.

Step-by-step explanation:

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How to complete the square with a leading coefficient?
Kamila [148]
Factor out the leading coefficient:

ax^2+bx+c=a\left(x^2+\dfrac bax+\dfrac ca\right)

Now complete the square:

x^2+\dfrac bax+\dfrac ca=x^2+\dfrac bax+\dfrac{b^2}{4a^2}-\dfrac{b^2}{4a^2}+\dfrac ca=\left(x+\dfrac b{2a}\right)^2-\dfrac{b^2}{4a^2}+\dfrac{4ac}{4a^2}=\left(x+\dfrac b{2a}\right)^2-\dfrac{b^2-4ac}{4a^2}

Now, redistributing the leading a gives

a\left(x+\dfrac b{2a}\right)^2-\dfrac{b^2-4ac}{4a}
8 0
3 years ago
Need help asap please!!!
Alona [7]

Answer:

-6,-4

Step-by-step explanation:

The coordinates of the point is -2,2 so you subtract 4 and 6. That is -6.-4

Hope this helps plz mark brainliest :D

6 0
3 years ago
Read 2 more answers
In a marathon 90% runner were managed to complete it and 30% were men if 270 men completed it how many total runner began the ma
Maurinko [17]

Answer:

1000 runners

Step-by-step explanation:

Take total number of runners to be -----------x

90% of x managed to complete the marathon= 90/100 × x =0.9x

30% of those who completed the marathon were men= 30% × 0.9x

=0.3×0.9x= 0.27x

=270 men completed the marathon; this means

0.27x=270--------------------------------find x by dividing both sides by 0.27

x= 270/0.27

x=1000 runners

7 0
3 years ago
Read 2 more answers
Which shows the expression below simplified? 0.00048 - (3.4 × 10-5) A. 4.46 × 10-4 B. 3.39952 × 10-5 C. 4.46 × 10-5 D. 1.4 × 10-
MakcuM [25]

Option C

The simplified form of given expression is 4.46 \times 10^{-4}

<em><u>Solution:</u></em>

Given that we have to simplify the expression shown below

0.00048 - (3.4 \times 10^{-5})

Let us first convert 0.00048 to scientific notation

<em><u>Steps to follow:</u></em>

Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is a.

Count how many places you moved the decimal point. This number is b.

If you moved the decimal to the left b is positive.

If you moved the decimal to the right b is negative.

If you did not need to move the decimal b = 0.

Write your scientific notation number as a x 10^b and read it as "a times 10 to the power of b."

Remove trailing 0's only if they were originally to the left of the decimal point.

0.00048 = 4.8 \times 10^{-4}

So the given expression becomes,

\rightarrow 4.8 \times 10^{-4} - 3.4 \times 10^{-5}

Let us make the exponent of second term as -4

\rightarrow 4.8 \times 10^{-4} - 0.34 \times 10^{-4}

Take 10^{-4} as common term,

\rightarrow 10^{-4} (4.8 - 0.34)

\rightarrow 4.46 \times 10^{-4}

Thus option C is correct

7 0
3 years ago
if you throw a rubber ball toward the ground at an angle, it will bounce up feom the ground at the same angle. find the unknown
Sauron [17]
30°

A strait line is 180°
75°+75°=150°
180°-150°=30°
5 0
3 years ago
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