Mathematics, 21.03.2021 21:00 jasondesatnick
PLease help m
1.Water was added to aqueous solution of a certain salt with concertation of 20%, which resulted in a 20% mass increase of the solution Part of the water was then evaporated from the resulting solution and its mass decreased by 20%. What is the current concentration of this solution?
2.The height of the isosceles trapezoid ABCD from the vertex D of the obtuse angle divides the longer base into sections AE and EB of 3 cm and 13 cm respectively. The triangle AED is isosceles. Calculate the area of the trapezoid ABCD
3.In the first half of their match against Range Hill School, Boarwarts Academy scored all of the points. In the second half, each side scored three points.
At the end of the match, Boarwarts Academy had scored 90% of the points.
What fraction of the points were scored in the second half?
Answers: 3
Mathematics, 21.06.2019 17:00
() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know
Answers: 1
Mathematics, 21.06.2019 17:30
Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online
Answers: 1
Mathematics, 21.06.2019 21:30
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 2
PLease help m
1.Water was added to aqueous solution of a certain salt with concertation of 20%, whi...
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