Rationals
-7 + (19)
What is 12?
This is the area of a parallelogram with a height of 40 inches and a base of 12 inches
What is 480 square inches?
Solve the proportion 8 / k = 12 / 60
What is 40?
Express the ratio "15 out of 75 firefighters" in simplest form.
What is 1/5 or 1:5 ?
This is the expression
5x + x + 12y - 20y
Simplified
What is 6x – 8y
-423 / (-3)
What is 141?
These are the formulas for circumference and area of a circle
What are C=πd
and A=πr2
276 is 92% of this number. Use the percent proportion.
What is 300?
Rename 0.7 as a fraction in simplest form and as a percent.
What is 7/10 and 70%?
This is the equation
6a - 12 = 48
Solved for a
What is a = 10?
21/40 + 1/5
What is 29/40?
This is the area of a trapezoid with a height of 9 cm and bases of 10 and 20 cm
What is 135 cm2 ?
34.87 is what percent of 63.4? Use the percent proportion.
55%
Rename 3/5 as a percent and a decimal.
What is 60% and 0.6?
This is the equation
-3(b - 10) = 72
Solved for b.
What is b = -14?
3/8 X (-7/5)
What is (-21/40)?
This is the height of a triangle with a base of 16 feet and an area of 56 feet2
What is 7 feet?
A graph that shows a proportional relationship must have these two characteristics.
What is:
1.) A straight line.
2.) Passing through the origin.
This is the sale price for a $80 sweater after a 65% discount.
What is $28?
This is the inequality
5c - 18 > 22
Solved for c.
What is c > 8 ?
1/3 - 2/5 + (-6/10)
What is (-2/3)?
Using 3.14 for pi, this is the area of a circle whose circumference is 628 miles.
What is 31,400 miles squared?
Give an example of an equation that represents a proportional relationship between y and x.
(Answer must be in the form y=kx)
A pack of 18 bottles of iced tea costs $20.88. This is the unit price of a single bottle.
What is $1.16?
This is the inequality
-2(d - 15) ≤ -38
Solved for d.
What is d ≥ 34?