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allochka39001 [22]
2 years ago
7

Which is the graph of y = cos(x – 9)?

Mathematics
1 answer:
mojhsa [17]2 years ago
4 0

Answer:

The function y=cos(x-π) is the left graph

Step-by-step explanation:

y=cos(x-π) represents a horizontal shift to the right by π units from the parent function y=cos(x). Since y=cos(x) starts at the maximum, then shifting the function to the right by π units gives the leftmost graph.

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Which tree diagram shows all the possible outcomes for 2 coin flips?
Yuliya22 [10]

Option B is the correct answer

Step-by-step explanation:

When the sample space is represented in the form of tree diagram, the leaf nodes will represent the outcomes.

As there are two sides to a coin and two flips are being done,

Total outcomes will be: 2^2 = 4

We can see that option B has 4 leaf nodes and the outcomes are: {HH, HT, TH, TT}

So,

Option B is the correct answer

Keywords: Sample space, Events

Learn more about sample space at:

  • brainly.com/question/12884373
  • brainly.com/question/12896802

#LearnwithBrainly

3 0
3 years ago
The arc length of a sector created by a 90° angle is 25 cm. What is the circumference of the entire circle? Express
docker41 [41]

Answer:

We know length of one quarter of a circle = 2πr/4 = πr/2

So here we can make the equation for to find thr value of radius r

length of one quarter given = 25 cm

so πr/2 = 25 cm

=> πr = 50 cm

=> r = 50/π cm

So the entire circumference of circle =

2πr

= 2 π 50/π cm

= 100π/π cm (ans)

Here we dont substitute the value of π due to represent the answer in terms of pi.

Hope it helps you

6 0
2 years ago
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