Ao incidir sobre determinado capital um acrescimo 15% e, em seguida, sobre o valor obtido um desconto tambem 15% é correto afirmar que o valor do capital volta ao valor original? justifique

While standing next to a pool mat drops a rock from 5 feet above the surface of the water. the rock travels a total distance of 14 feet by the time it gets to the pool. determine the depth of the pool and explain how you found the answer

What is the highest common factor of 42 and 90

7*3=3*? ?+5=5+8 Write in The missing value using The numbers from The box below to make The equations correct. 1,2,3,5,7,8,9,13,21

If x is 5 then 6x= 30 30x 5x

Simplify each expression 9y+4-6y

A train travels a total of 67km at a constant speed of 110km/h. How long is its journey? Give the answer in minutes and seconds to the nearest second.

Ann took a taxi home from the airport. the taxi fare was 2.10$ per mile, she gave the driver a 5$ tip, Ann paid a total of 49.10$. write an equations to show how many miles (m) she rode i n the taxi

A college conducted a survey to explore the academic interests and achievements of its students. It asked students to place checks beside the numbers of all the statements that were true of them.

Find the average of the list of numbers. - 18, - 29, - 17, - 12

What does supplementary mean