Algebra Word Problem Solutions

2.75 in its simplest form as a fraction is =
11/4
1/2
3/4

Prove that $0/0=2$

25% of what number is 50?
A. 100
B. 200
C. 250
D. 400

Statement 1: on a hot day a straight road from a distance appears wet. This happens because of refraction.
Statement 2: on a hot day the air above the road in contact with the road is hotter and less dense therefore has less refractive index than the cool air above it. When light comes through denser medium to rarer medium(here cooler air to hotter air) it is internally reflected which makes the road appear wet and shiny.
Statement 1 and 2 are correct but statement 2 is not the reason of statement 1
Statement 1 and 2 are correct and statement 2 is the correct reason for statement 1
Both statements are wrong
Statement 1 is correct but statement 2 is incorrect.

How many 3-digit numbers can be formed by using the digits 1 to 9, if no digit is repeated?

Factorise $x^8-y^8$

Solve for x, y and z?
${\displaystyle \frac{5xy}{x+y}=6}$

Given $h(x)=4x-<!--\; -\; -->5$ , how do you solve for x when $h(x)=-<!--\; -\; -->1$?

Aliyah had some candy to give to her four children. She first took ten pieces for herself and then evenly divided the rest among her children. Each child received two pieces. With how many pieces did she start?

Show that f(x)=|x−5| is continuous but not differentiable at x=5

Three angles of a quadrilateral measure 55 degree, 125 degree, and 70 degree. Find the fourth angle.

The mean score of $8$ players in a basketball game was $14.5$ points. If the highest individual score is removed, the mean score of the remaining $7$ players becomes $12$ points. What was the highest score?
A$20$
B$24$
C$32$
D$36$

Factorize $x^2-2x-3$.

What will be the next number in the following sequence? 10, 100, 1000, 10000, _______
A)10
B)100
C)10000
D)100000

______ is the most abundant gas in the atmosphere and makes up 78% of the air.

How to define a variable and write an expression for each phrase: a number minus 11?

What does plotting sufficient solution points mean?

How to graph the equation ${\displaystyle x=0}$?

Express 0.0042 in scientific notation.

Write 13,560,000 in scientific notation.