subject
Mathematics, 25.04.2020 01:09 msjsnell29

In triangle ABC, angle c is a right angle. if cos A= 5/8, what is the value of cos B? A. 3/8
B. 5/3
C. sqrt 39/8
D. sqrt 89/8
with explanation pls

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Three coins are flipped. what is the probability that there will be at least two tails?
Answers: 1
question
Mathematics, 21.06.2019 17:00
In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:
Answers: 3
question
Mathematics, 21.06.2019 18:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 1
question
Mathematics, 21.06.2019 18:10
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
You know the right answer?
In triangle ABC, angle c is a right angle. if cos A= 5/8, what is the value of cos B? A. 3/8
...
Questions
question
Mathematics, 08.04.2021 14:00
question
Mathematics, 08.04.2021 14:00
question
Biology, 08.04.2021 14:00
Questions on the website: 13722359