Use the diagram to derive the law of cosines.

Which of the following statements is true?

b = c cOS A

x = a cos C

c=h cos A

b/x=c/b

What is [8 + (2x12) ]x2

70.18 divided by 0.9 round the answer to the nearest hundredth

John's age increased by 11 is 5 less than 5 times his age. How old is he? If x represents John's age, which of the following equations could be used to solve this problem? Ox+11 - 5 = 5x x + 11 = 5x - 5 x + 11 = 5 - 5x

Mark has 160 yards of fencing to enclose a rectangular garden whose length is to be four times its width what will be the dimensions of the garden

Solve equation, 6-5 (2b+6) = -24

Turn 18 2/5 into a decimal

you invest $80 at a simple annual interest rate of 2.4% how much simple interest would you earn in 1.5 years. what would the monthly interest rate need to be to earn the same amount of intersest during the same amount of time?

What is 2.25 as a fraction

Suppose that two cards are randomly selected from a standard? 52-card deck.? (a) what is the probability that the first card is a clubclub and the second card is a clubclub if the sampling is done without? replacement??

In 5 h, you drive 400km. how much km could you drive in 1 h.