Answer:
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The 2 small black lines through the sides of the triangle indicate that the 2 sides are the same length.
Because the 2 sides are the same the 2 bottom angles are also the same.
This means that 9x +3 = 84
Now we can solve for x:
9x +3 = 84
Subtract 3 from each side:
9x = 91
Divide both sides by 9:
x = 81 / 9
x = 9
Answer: So, the coterminal angle of 450° is -90°.
Step-by-step explanation:(i) 395°
Write 395° in terms of 360°.
395° = 360° + 35°
So, the coterminal angle of 395° is 35◦
(ii) 525°
Write 525° in terms of 360°.
525° = 360° + 165°
So, the coterminal angle of 525° is 165°.
(iii) 1150°
Write 1150° in terms of 360°.
1150° = 3(360°) + 70°
So, the coterminal angle of 1150° is 70°.
(iv) -270°
Write -270° in terms of 360°.
-270° = -360° + 90°
So, the coterminal angle of 270° is 90°.
(v) -450°
Write -450° in terms of 360°.
-450° = -360° - 90°
So, the coterminal angle of 450° is -90°.
Hello! The answer to your question would be as followed:
There at 8 members in a club.
If we choose one of them as the president, there would be 7 people left the be chosen as vice president.
So for each of the 8 ways that we can choose the president. There will also be the 7 ways to choose the vice president
Therefore, 8 * 7 = 56.
Thus, we are left with 6 people to be chosen as treasurer
So with the 8 ways of someone being chosen as president and the 7 ways as someone being chosen as vice president. We have 6 ways for someone to be chosen as the treasurer.
Thus our math sentence would be 8 * 7 * 6 = 336
Meaning there are 366 ways for someone to be chosen as president, vice president, and treasurer with only 8 members.
