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DedPeter [7]
2 years ago
12

What are sin 0 and cos 0 for each value of 0?

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

Answer:

a. sin 300 = -∛3/2, cos 300 = 1/2

b. sin -225 = √2/2, cos -225 = √2/2

c. sin 5π/6 = 1/2, cos 5π/6 = -3√2

d. sin -4π/3 = √3/2, cos -4π/3 = -1/2

Step-by-step explanation:

See unit circle

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What are two equivalent ratios for 8/9
Georgia [21]
(16/18)
(24/27)

You just times 8 and 9 by the same number, like:
(8•2/9•2)=(16/18)
(8•3/9•3)=(24/27)

You could do any number:
(8•100/9•100)=(800/900)

8 0
3 years ago
Solve the system of equations by graphing. <br><br> x+y=3<br> y=2x−15
Stella [2.4K]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

x + y = 3

x = 3 - y


y = 2x - 15

y = 2(3 - y) - 15

y = 6 - 2y - 15

y = -2y - 9

3y = -9

y = -3


y = 2x - 15

-3 = 2x - 15

-2x = -12

x = 6


So...

The answer is: (6, -3)

4 0
3 years ago
Read 2 more answers
Which is equivalent to 2 5/6<br><br>A. 5/3<br>B. 7/6<br>C. 17/6<br>D. 12/5
Dimas [21]
The answer would be C (17/6)
This is because;
6 goes into 17 twice leaving a reminder of 5.
8 0
3 years ago
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Jeff hikes 1/2 mile every 15 minutes, or 1/4 hour. Lisa hikes 1/3 mile every 10 minutes, or 1/6 hour. How far do they each hike
inessss [21]

Answer:

they each hike 2 miles

Step-by-step explanation:

Jeff: 15=1/2

        *4    *4

      60 min=2 miles

Lisa:  10=1/3

          *6   *6

        60 = 2

6 0
3 years ago
Find the lower quartile from the set of data below.<br> 7,9, 9, 10, 14, 17, 20
KengaRu [80]

Answer:

7,9,9

Step-by-step explanation:

Because the numbers are lined up from least to greatest all you have to do is find the middle of all the numbers which is 10. So everything below ten is lower quartile. Everything above is upper quartile

5 0
3 years ago
Read 2 more answers
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