subject
Mathematics, 15.07.2019 14:30 pankajyadav7402

You perform the calculation: 32.0 cm + 6.92 cm on your calculator and its output is 38.92. what is the answer with the correct number of decimal places?

ansver
Answers: 1
ansver
Answer from: Quest

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: Γ— = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other
Answers: 2
question
Mathematics, 21.06.2019 17:40
Long division the problem is 40 βž— 348 = ?
Answers: 1
question
Mathematics, 21.06.2019 20:20
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
Answers: 2
question
Mathematics, 21.06.2019 23:00
Pls the last one and it has to be like number 6
Answers: 2
You know the right answer?
You perform the calculation: 32.0 cm + 6.92 cm on your calculator and its output is 38.92. what is...
Questions
question
Mathematics, 05.09.2020 01:01
question
Mathematics, 05.09.2020 01:01