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mestny [16]
3 years ago
11

ALG TWO HELP ASAP?

Mathematics
1 answer:
Alexxx [7]3 years ago
6 0

Answer:

Therefore the period of the sinusoidal wave = 3.14.

The amplitude of the function = 2.

Step-by-step explanation:

The period of a sinusiodal wave is given by the length of x axis which covers one full cycle of the wave, which one positive half-cycle and one negative half cycle.

From the graph we can see  that one of the cycles starts at -3.14 / 4 and ends at 3.14 \times 3/4.

Therefore we can sutract the start point value from the end point value to get the period

Therefore period  = (3.14 \times 3/4) - (-3.14 / 4) = (3.14 \times 3/4) + (3.14 / 4) = 3.14

Therefore the period of the sinusoidal wave = 3.14.

The amplitude of the function = 2.

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Question 7 of 10
sergejj [24]

The product that is  undefined is known a CD, where C is a 3 x 1 matrix and D is a 1 x 2 matrix.

<h3>What is the matrix about?</h3>

Looking at the product of matrix, note that to multiply  the two matrix, the column of the first matrix needs to have the same or equal to the row of the 2nd matrix.

And in this case (propensity), it is not satisfied by the first  option because:

C =  3 x 1  and

O= 2 x 1  matrix

In this case CD is therefore undefined.

So we can say that The product that is  undefined is known a CD, where C is a 3 x 1 matrix and D is a 1 x 2 matrix.

Learn more about matrix from

brainly.com/question/94574

#SPJ1

6 0
1 year ago
Write the quadratic equation in Standard form:<br><br> 5x2-6=-6x
Sphinxa [80]

Answer:

5x2+6x-6=0

Step-by-step explanation:

Standard form is ax2+bx+c=0

We add 6x to both sides and we get:

5x2+6x-6=0

6 0
2 years ago
Help me plzzzzzzzzzz
Romashka [77]

Answer:

x = 3

Step-by-step explanation:

From the table of values

f(x) = g(x) = - 2 when x = 3 in both cases

8 0
3 years ago
Evaluate 2x^3 + 5x^2 + 4x + 8 when x = -2
Kryger [21]

Answer:

<h2>4</h2>

Step-by-step explanation:

Given the function 2x³ + 5x² + 4x + 8. In order to evaluate the value of the function at x = -2 we will substitute the value of x given into the function as shown;

F(x) = 2x³ + 5x² + 4x + 8

at x = -2

f(-2) = 2(-2)³ + 5(-2)² + 4(-2) + 8

f(-2) = 2(-8) + 5(4) +(-8) + 8

f(-2) = -16+20-8+8

f(-2) = -16+20

f(-2) = 4

The value of the function when x = -2 is 4

7 0
3 years ago
Cesium-137 has a decay constant of 0.0231 (a 30-year half-life). If you start with 15 pounds of cesium-137, how much will still
grigory [225]

Answer:

N = 7.5 pounds

Step-by-step explanation:

Formula for the radioactive decay is given by,

N=N_0e^{-\lambda t}

Here, N = Final amount

N₀ = Initial amount

λ = Decay constant

t = Duration of decay

Now we can substitute the values from the given question,

N = 15e^{-(0.0231\times 30)}

N = 15e^{-0.693}

N = 15(0.5)

N = 7.5 pounds

4 0
3 years ago
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