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xz_007 [3.2K]
2 years ago
13

Which is the graph of y = cos(x − π)?​

Mathematics
2 answers:
Sphinxa [80]2 years ago
8 0

Answer:

Graph 1.

Step-by-step explanation:

Th graph of y=\cos{(x-\pi)} looks exactly like the graph of y=\cos{x} if we shifted the axes \pi units to the left. This has the visual effect of shifting the graph <em>forward </em>\pit\pi units (imagine filming someone and panning the camera to the left; the person moves <em>right</em> in the camera frame).

So the point at x=0, which used to be (0, \cos{0})=(0,1) is now (0,\cos{(0-\pi)})=(0,\cos{(-\pi)})=(0,-1), which we can find on the <em>first graph</em>.

Assoli18 [71]2 years ago
3 0

Answer:

Answer is the first choice on left.

Step-by-step explanation:

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Decrease 119kg by 2/7
slava [35]

Answer:

51

Step-by-step explanation:

1-2/7 = 3/7

119 x 3/7 = 51

8 0
2 years ago
What is the value of 9(n+2)−5n for n=14?<br> 3<br> 9<br> 10<br> 19
Murrr4er [49]
If you want to know the value of a  function, you need to substitute the variable (here n) for the value:

so in the function

9(n+2)−5n

we substitute n with 14:

<span>9(14+2)−5*14

first calculate the inside of the bracket:

</span>
<span>9*16−5*14

9 times 16 is 144

144-5*14

5*14 is 70, so we have

144-70=74

so the answer should actually be 74!

Perhaps you mistyped the questions? can you check it again, please?

</span>
5 0
3 years ago
A bag contains 4 blue marbles, 2 yellow marbles, and 6 orange marbles. What is the probability of picking an orange marble and t
ikadub [295]

We will see that the probability of picking two orange marbles without replacement is 0.23

<h3>How to get the probability?</h3>

If we assume that all the marbles have the same probability of being randomly picked, then the probability of getting an orange marble is given by the quotient between the number of orange marbles and the total number of marbles, this gives:

P = 6/12 = 1/2

And then we need to get another orange marble, without replacing the one we picked before, this time there are 5 orange marbles and 11 in total, so the probability is:

Q = 5/11

Finally, the joint probability (of these two events happening) is the product of the probabilities, so we get:

P*Q = (1/2)*(5/11) = 0.23

If you want to learn more about probability, you can read:

brainly.com/question/251701

5 0
2 years ago
Simplify the radical
olga55 [171]

Answer:

Step-by-step explanation:

\sqrt[3]{54c}=\sqrt[3]{3*3*3*2c} =3\sqrt[3]{2c}

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Step-by-step explanation:

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