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-Dominant- [34]
3 years ago
8

HURRY PLEASE! brainly rules

Mathematics
1 answer:
inessss [21]3 years ago
4 0

Answer: x=3

Step-by-step explanation:

hope it helps!

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Use the Unit Circle to find the exact value of the inverse trig function.
Vedmedyk [2.9K]

Answer:

330

Step-by-step explanation:

When we are at 30 degrees on the unit circle, we are at the point (\sqrt3/2, 1/2) so if we go to -30 degrees (330 degrees), we will be at point  (-\sqrt3/2, -1/2).

Note: (cosine, sine)

5 0
2 years ago
Can someone help me privately
SSSSS [86.1K]

Answer:

72 degrees

Step-by-step explanation:

2x+3x=180

5x=180

x=36

36*2=72

3 0
2 years ago
Sarah wants to buy a new pair of sandals. The sandals are $45 and she has a coupon for 30% off. What is the price of her sandles
baherus [9]

Answer:

$31.5

Step-by-step explanation:

-$45

-30 percent off of $45

30 times 45 divided by 100

1350/100

13.5

45-13.5

$31.5

4 0
2 years ago
Elena has $15.25. She was given $2.75. Then she spent $12.99 on a gift for her mother. How much money does Elena have left?
gavmur [86]

Answer:

$5.01

Step-by-step explanation:

If you use this give me brainliest

4 0
3 years ago
Read 2 more answers
Solve the System using elimination. <br><br> 5x-2y=15<br> 7x+7y=-28
steposvetlana [31]

Answer:

x=1 y=-5

Step-by-step explanation:

7(5x-2y=15) --->      35x-14y=105

2(7x+7y=-28) -->  + <u>14x+14y=-56</u>

                               49x=49  --->x=1

5(1)-2y=15 ---> 5-2y=15 ---> -2y=10 ---> y=-5

8 0
3 years ago
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