subject
Mathematics, 04.12.2020 18:40 jewelia2801

Last years phone model had a battery life that lasted 15 hours. This year the battery only lasts for 12.3 hours. Find the percent decrease of the battery life from last year to this year. Include a percent sign in your answer.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Refer to the table below if needed. second quadrant third quadrant fourth quadrant sin(1800- - cos(180° -) tan(180°-e) =- tane cot(1800-0) 10 it to solo 888 sin(180° +c) = - sine cos(180° +) =- cose tan(180° +c) = tane cot(180° +o) = cote sec(180° + c) = - seco csc(180° +2) = - csce sin(360° -) =- sine cos(360° -) = cose tan(360° - e) =- tane cot(360° -) = -cote sec(360° -) = seco csc(360° -) = csco sec(180° -) = csc(180° -) = csca 1991 given that sine = 3/5 and lies in quadrant ii, find the following value. tane
Answers: 2
question
Mathematics, 21.06.2019 21:10
Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°
Answers: 2
question
Mathematics, 21.06.2019 21:30
Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?
Answers: 2
question
Mathematics, 22.06.2019 00:00
(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 1
You know the right answer?
Last years phone model had a battery life that lasted 15 hours. This year the battery only lasts for...
Questions
question
Mathematics, 09.09.2020 23:01
question
Health, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01
question
History, 09.09.2020 23:01
question
Biology, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01
question
Social Studies, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01
question
Mathematics, 09.09.2020 23:01