Algebra Answers

The scientific process is a way of investigating things about world. Scientists use this process to find out about world and to solve problems. Follow the steps below and compile a portfolio of evidence showing the scientific process in the two experiments above

2. Please represent the following using Venn Diagrams. Make sure you don’t use the sets listed in problem
one (3pts each).

(a) A − B
(b) A ∩ B'
(c) A' ∩ B'

1. Please use the sets below to find the following (3pts each)
U = {a, b, c, d, e, f, g, h}
A = {a, b, c, d}
B = {c, e, g}
C = {d, e, f, g, h}

(a) A ∪ (B ∩ C)
(b) B ∪ C
(c) (B ∪ C)'
(d) A − (B ∪ C)
(e) (B ∪ C) − A

a cannonball is fired vertically upward from ground level with a speed of 160 feet and second the equation that give the cannonball high above the ground is h = 16t² + 160t where is the height is the height measured in feet tls in the time measured and the second how high its cannon but after 3 seconds

White gold" alloy contains 90% gold and 10% silver. \Red gold" alloy contains 80% gold and 20% copper. How much \white gold" and how much \red gold" should we add to 60g of the alloy containing 45% gold, 50% silver and 5% copper, in order to obtain alloy with 70% gold, 15% silver and 15% copper concentration?

number sense and phrase number concept diferentiate

A teacher asked pupils to divide 28 by 3
Gail wrote : 28 ÷ 3 = 9.33
Ahmed wrote : 28 ÷ 3 = 9 1/3
The teacher marked both correct, but said Ahmed’s answer was better than Gail’s answer. Explain why Ahmed’s answer is not the same as Gill’s answer

Maya is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the largest tile she can use?

1. Mr.Steve has 120 pastel sticks and 30 pieces of paper to give to his students.
a) Find the largest number of students he can have in his class so that each student gets equal number of pastel sticks and equal number of paper.
b) Briefly explain the technique you used to solve (a).

1.fifteen litres of mixture contain water and milk in the ratio 2:4.if 3 litres of this mixture are replaced by 3 litres of water,what would be the ratio of water to milk in the mixture?
2. A telephone booth 210 cm tall casts a shadow 600cm long.at the same time,a nearby fire hydrant casts a shadow 240cm long.find the height of the fire hydrant.