![barry14201](/avatars/16772.jpg)
barry14201
31.08.2019 •
Mathematics
Sadiq spends 1/5 of his earnings on his rent and saves 2/7 what fraction of his earnings is left?
Solved
Show answers
More tips
- H Health and Medicine 5 Simple Steps to Quit Smoking for Good...
- C Computers and Internet How to Download Videos from YouTube? Simple Steps to Download Any Content...
- H Health and Medicine What is the Normal Blood Sugar Level in a Healthy Person?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- C Computers and Internet How to Delete Your Account on Odnoklassniki...
- H Health and Medicine 10 Simple and Effective Tips on How to Lose Weight in a Week...
- F Food and Cooking What s the Best Rice for Cooking Plov?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics Secrets of NATO: Which Countries are Part of the Alliance?...
Answers on questions: Mathematics
- M Mathematics What is the run in the red triangle below? Note the direction of the arrow....
- M Mathematics HELP ME PLZZ I NEED HELP WITH THIS MATH PROBLEM...
- M Mathematics What is the price of $100 face value of a ten-year, zero-coupon, risk-free bond with an ytm of 5%? $58.82 b.$61.39 c.$37.73 d.$73.59?...
- M Mathematics Show working out for 1/5 of 2 litres...
- M Mathematics Decreased by carlos s age is 10 . use the variable c to represent carlos s age....
- M Mathematics Paul is riding his bike 48 miles to the beach. his average rate of speed is 13.8 miles per hour. paul stopped for a snack after 3 hours. how many miles does he have to go...
- M Mathematics The amount of money kelly earns is proportional to the number of hours she works. kelly earns $32.40 working 4 hours. create an equation that models the relationship between...
- M Mathematics The diameter of a sphere is 2 ft. what is the sphere’s volume? round to the nearest tenth, if necessary...
- M Mathematics Alandscaper is planting a tree that is now 48cm tall. the tree will grow 4cm per month for x months. the tree will grow to be less than ycm tall. write an inequality showing...
- M Mathematics Joe s auto shop, it takes him 12 minutes to do an oil change and 24 minutes to do a tire change. let x be the number of oil changes he does. let y be the number of tire...
Ответ:
Ответ:
Let's assume CD=h, BD=x.
tan 24°=h/x ==>h=x*tan 24°
tan 16°=h/(7600+x)==>h=tan 16° *(7600+x)
==>x tan 24°=tan 16°*(7600+x)
==>x=(7600*tan 16°)/(tan 24°-tan 16°)
h=x*tan 24= (7600*tan 16°*tan 24°)/(tan 24°-tan16°)
b) CD=h=6122,2303...≈6122 (feet)
a) BC=h/sin 24°=15052,0746448...≈15052 (feet)
=