Answer:
A. decrease
Step-by-step explanation:
The mean average number without the fifth test is 79.75 so her score went down. Hope this helped!
Answer:
A) 35/12
Step-by-step explanation:
The tangent of an angle is the opposite side of that angle over the adjacent side of the angle
9514 1404 393
Answer:
a = 57.5
b = 90
c = 65
Step-by-step explanation:
The measure of an inscribed angle is half that of the arc it intercepts. The angle at 'a' intercepts an arc of 115°, so its measure is (115/2)° = 57.5°
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The inscribed angle at 'b' is a semicircle, 180°, so the measure of 'b' is (180/2)° = 90°.
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The arc 'c' is the remainder of a semicircle after 115° have been taken away. Its measure is 180° -115° = 65°.
(a, b, c) = (57.5, 90, 65)
Answer: 120 cm.
Step-by-step explanation: First, add the two bases together (10+6) and you'll get 16. Then, multiply the height with the sum of the two bases (15 x 16) and you'll get 240. Now, multiply it with 1/2 (or divide by 2) and you'll get 120. So, 120 cm. is your answer.
