Algebra Answers

At Smith Middle School 65 percent of the students ride to school on a bus. What fraction of the students at Smith Middle School ride a bus to school?

56.8 x 0.37

What is the slope of the line represented by the equation y = –y equals negative StartFraction 2 Over 3 EndFraction minus 5 x. – 5x?

The cost to rent a moving truck is a flat fee of $25 plus $0.60 per mile. The equation c = 25 + 0.6m models the cost, c, in dollars for the number of miles, m, traveled in the truck.

Identify the independent and dependent variables.

The
is the independent variable.

The
is the dependent variable.

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