Mathematics, 09.07.2019 19:00 lol15arec001
Agroup of children, adults, and senior citizens attended three different art exhibits that have different ticket prices for each age group. let c represent the number of children, a represent the number of adults, and s represent the number of senior citizens. the system represents the cost of each type of ticket and the total cost of the tickets for all three exhibits. what are the number of children, adults, and seniors that attended these three exhibits? 6c + 7a + 2s = 990 3c + 3a + 4s = 430 2c + 4a + 4s = 480 a) c = 120, a = 30, s = 30 b) c = 20, a = 40, s = 70 c) c = 100, a = 50, s = 5 d) c = 100, a = 50, s = 20
Answers: 2
Mathematics, 21.06.2019 14:00, jess4kids
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
Answers: 3
Mathematics, 21.06.2019 18:40, banditballer2
Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.
Answers: 3
Mathematics, 21.06.2019 20:30, AllanCasey12
Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?
Answers: 1
Mathematics, 21.06.2019 22:30, ashleyrover11
(a. s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 1
Agroup of children, adults, and senior citizens attended three different art exhibits that have diff...
Mathematics, 22.03.2020 01:21
Mathematics, 22.03.2020 01:21