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tangare [24]
3 years ago
12

Which of the following is the graph of y = cos(2x)?

Mathematics
2 answers:
irinina [24]3 years ago
5 0

Answer:

Select the one which meets the following characteristics.

Step-by-step explanation:

y = cos(2x)

Characteristics:

Mean line at y = 0

Amplitude = 1

Period = 360/2 = 180° or pi radians

i.e one complete cos cycle is 0 to 180, next is 180 to 360 and so on

Range : from -1 to 1

Colt1911 [192]3 years ago
4 0

Answer:

answer is a on edge2020

Step-by-step explanation:

taking the test, graphed it

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A point is represented by a:
Thepotemich [5.8K]

Answer:

i would say the first one and second one

Step-by-step explanation:

because the point is an o and an dot at the same time

5 0
3 years ago
State who is correct and explain why
Ivan

Answer:

12.4+3√7 is  irrational

Step-by-step explanation:

12.4 is a rational number

3√7 is an irrational number

<u>The sum of a rational number and an irrational number is irrational.</u>

So, 12.4+3√7 is  irrational

4 0
3 years ago
What will be the next in the series 2,60,10,120,30,?
grandymaker [24]
2 to 60 is 58 -48 is 10 
so you have think what sort of maths skills are used like it could n+58 -48 then square or something ,but check what the differences are between the numbers.
hope it helped.
8 0
3 years ago
Write the point-slope equation of the line with the given properties. Solve the equation for y. M= -0.25, (12,7)
-Dominant- [34]

Answer:

y = -0.25x + 10

Step-by-step explanation:

Point-slope form is y - y1 = m (x - x1)

Here, y1 is 7, m is -0.25, and x1 is 12

When you plug these values in, you get y - 7 = -0.25 (x - 12)

Now we have to solve for y.

y - 7 = -0.25 (x - 12)

Distribute

y - 7 = -0.25x + 3

Add 7 to both sides

y = -0.25x + 10

3 0
3 years ago
Fruit basket is made with apple and oranges.the ratio of apples to oranges in a fruit basket is 2 to 3.if there are 45 pieces of
irina [24]
Apples to oranges = 2 to 3
total ratio = 2+3=5
number Of apples = 2/5 * 45
= 2*9 =18
pls mark me as brainliest
5 0
3 years ago
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