Mathematics, 25.09.2019 02:01 jacamron
Complete the proof of the law of sines/cosines. triangle abc with side c between points a and b, side a between points b and c. segment drawn from point b to point d where d is between points a and c, segment bd is labeled x. given triangle abc with altitude segment bd labeled x. angles adb and cdb are right angles by making triangle abd and triangle bcd right triangles. using the trigonometric ratios sine of a equals x over c and sine of c equals x over a. multiplying to isolate x in both equations gives x = and x = a ⋅ sinc. we also know that x = x by the reflexive property. by the substitution property, dividing each side of the equation by ac gives: sine of a over a equals sine of c over c. 1. definition of altitude 2. c ⋅ sina 3. c ⋅ sina = a ⋅ sinc 1. definition of right triangles 2. c ⋅ sinb 3. c ⋅ sinb = a ⋅ sinc 1. definition of right triangles 2. a ⋅ sina 3. a ⋅ sina = c ⋅ sinc 1. definition of altitude 2. c
Answers: 3
Mathematics, 21.06.2019 22:00
Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?
Answers: 1
Mathematics, 22.06.2019 00:50
What is a correct first step in solving the inequality-4(3-5x)> -6x+9
Answers: 2
Mathematics, 22.06.2019 02:00
Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?
Answers: 1
Complete the proof of the law of sines/cosines. triangle abc with side c between points a and b, sid...
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