Right angle=90°.
(X-20) + X = 90.
Then solve for X.
X=55
Answer:
14 feet
Step-by-step explanation:
4 x 3 = 12ft
4 / 2
2
2 + 12
answer is 14 ft
Fine increase = 78 - 65 = 13
Increase rate = 13/65 x 100% = 20%
Discounted amount = 560 - 476 = 84
Discount rate = 84 / 560 x 100% = 15%
Answer:
34. A negative number multiplied by a positive number will always have a negative product. The right answer should be -8.14.
35. When dividing fractions, you have to use the same-change-flip rule. The work should be like this: -1/4 x 2/3 = -2/12 = -1/6. The correct answer is -1/6.
36. In this problem, you need to convert 2 1/5 into a decimal, then multiply by -30. (2.2 x -30) The answer is -66 degrees.
