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3 years ago

PLEASE HELP!!! Which transformations are needed to change the parent cosine function to the cosine function below?

Mathematics

2 answers:

rusak2 [61]3 years ago

8 0

Answer: D

vertical stretch of 2, horizontal compression to a period of pi/2, phase shift of pi units to the right, vertical shift of 1 unit down

Step-by-step explanation:

Given that,

On a coordinate plane, a curve crosses the y-axis at y = 1. It has a maximum of 1 and a minimum of negative 3. It goes through 2 cycles at 2 pi. The it will experience a transformation of

vertical stretch of 2, horizontal compression to a period of pi/2, phase shift of pi units to the right, vertical shift of 1 unit down

Alik [6]3 years ago

4 0

Answer:

Step-by-step explanation:

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The numbers 1-4 are each written on an index card. The 4 cards are put into a bag and 2 of them are drawn at random. What is the

devlian [24]

Answer:

Step-by-step explanation:

Write a list of all possible outcomes

1-2

1-3

1-4

2-1

2-3

2-4

3-1

3-2

3-4

4-1

4-2

4-3

There are 12 possible outcomes. How many of them have totals of 6 or 7

I count 4

So the probability is 4/12 = 1/3, just as you said.

Is there an easier way?

You might be able to get the 12 easier.

You have 4 choices for the first number and 3 for the second.

P(12) = 4*3 = 12

Getting 6 or 7 might be somewhat trickier.

4 and 3 make seven. That gives two ways 4-3 and 3-4

4 and 2 make six. That gives 2 more ways 4-2 and 2-4

That's all that's possible.

answer: 4 ways make success. The total number of ways is 12.

7 0

2 years ago

How to solve 4k-1.5k=50

padilas [110]

Combine like terms-- you can combine the k's:
$4k-1.5k=2.5k$

Now you have:
$2.5k=50$

Simply divide both sides by 2.5 to find the value of k:
$\frac{2.5k}{2.5}=\frac{50}{2.5}\\\\k=20$

6 0

2 years ago

What are the coordinates of the point 3 units from the origin and on the x-axis?

Maksim231197 [3]

Answer:

Step-by-step explanation:

Tell me if i am wrong

3 0

3 years ago

Read 2 more answers

Plot point for negative 4 and negativie 1

Allushta [10]