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LiRa [457]
3 years ago
13

Your friend claims that the only solution to the equation sin(x)=1 is x=90 degrees. Is your friend correct? If there are more so

lutions, explain how to determine additional solutions.
Mathematics
1 answer:
Blizzard [7]3 years ago
5 0

Answer:

see below

Step-by-step explanation:

sin(x)=1

Take the inverse sin of each side

sin ^ -1(sin(x))=sin ^-1(1)

x =90 + 360n where n is an integer

We can go around the unit circle and find more solutions

When x = 450, sin 450 = 1

When x = -270, sin (-270) = 1

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Four students draw a design for a class flag. Each flag is black and white. Which designs have the same fractions of black and w
Orlov [11]
Where is the picture
3 0
4 years ago
Katie earns 15$ each hour. Round to total time katie worked to the nearest hour and estimate her pay by using mulitplacation
Cloud [144]

Answer:

How long did she work for though?

Step-by-step explanation:

3 0
2 years ago
Can I get some help please?
Natali5045456 [20]

Answer:

700   -1     -200

75       1     5000

Step-by-step explanation:

1. the rule for the required matrix is:

\left[\begin{array}{ccc}x_1;y_1;a\\x_2;y_2;b\end{array}\right]

2. if to re-write the given equations, then:

700x-y= -200 and 75x+y=5000.

3. Finally, the answer is:

        column№1 | column№2  | column№3

==============+===========+=============

row№1   700      |         -1           |    -200

row№2   75        |           1          |   5000

8 0
3 years ago
Find the derivative of f(x) = 3/x at x = 1
aniked [119]

Answer:

- 3

Step-by-step explanation:

Differentiate f(x) using the power rule

\frac{d}{dx}(ax^{n} ) = nax^{n-1}

Given f(x) = \frac{3}{x} = 3x^{-1}, then

f'(x) = - 3x^{-2} = - \frac{3}{x^2}

f'(1) = - \frac{3}{1} = - 3

6 0
4 years ago
Ms.Terry wants to hang Christmas lights around Mr.Conner’s desk next year. His desk is 6.5 feet long and 4.3 feet wide. What is
MArishka [77]

Answer:

21.6 feet

Step-by-step explanation:

Assuming the desk is a rectangular shape, you would find the perimeter of his desk.

x = 2(6.5 + 4.3)

OR

6.5 + 6.5 + 4.3 + 4.3

=21.6

Hope this helped! :)

8 0
3 years ago
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