Ratios & Proportions
Solve the following proportion:
12/x = 17/319
Round your answer to the nearest tenths place.
What is 225.2?
What is 18 / (2 & 1/4)
8
Combine like terms:
2x - 3(x+4) + 12
-x
113.0 or 113.1
Do you promise to do your best on the IAR test? --Take your time, show your work, check your answers, write out your explanations, etc?
What is Yes?
You can buy 12 bags of chips for $16.55. For the same value, how much would 22 bags of chips cost?
What is $30.34?
What is 3/4 + 4/5?
31/20 or 1 & 11/20
66
What is the area of a right triangle with legs of 6cm and 11cm?
33cm2
The odds of drawing a green tile are 35%. If there are 85 total tiles, how many of them would you expect to be green?
About 30 (29.75)
What are the 2 features of a proportional graph?
Straight line
Through the origin
-9 + (-3) - (-7)
-5
Simplify:
2/3(x+24) - 4(x-5)
What is the volume of a pyramid with base lengths of 8m and 9m and a vertical height of 12m?
288m2
2 angles of a triangle measure 38 and 77 degrees. What is the measure of the third angle?
65 degrees
At a birthday party, 12 servings of pasta are required for every 10 guests. If there are 175 guests, how many servings of pasta would be required?
210 servings
-3.6 + 8.1 - (-2.6)
7.1?
Sketch a picture and give a quick demonstration of what it would look like if the picture is reflected, rotated, or translated.
See work
What is the volume of a cylinder with a diameter of 12m and a height of 5m?
565.2 or 565.5
Without using a calculator, estimate the square root of 60 to the nearest tenth? Be prepared to defend your answer.
About 7.7
Give an example of a table that shows a proportional relationship, and state the constant of proportionality
See work
Write the following number in scientific notation: .00053
5 x 10-4
4 - 2(x+5) = x + 13 - 3x
No solution
What is the surface area of a rectangular prism with side lenghts of 5m, 6m, and 7m?
214m2
Use the Pythagorean Theorem to find the length of the missing side of the following right triangle:
a = 10
b = ??
c = 26
24