Math 2nd Semester Flashcards
42 is what percent of 120?
35%
Calculate 87% of 79
.87*79
A=68.73
190 is 76% of what number?
190/.76 =.76*x
1444
What percent of 50 is 35?
35/50=
70%
The sales tax rate 5.7%. Find the tax paid for a sweater that costs $97
X=.057*97
$5.53
Identify the percent of change as an increase or decrease and determine the percent of change
29 to 68
Decrease 2.3%
New-old=x/old
Find the percent of discount. Round to the nearest whole percent
Regular price: $111
Sale price: $87.50
21%
111-87.50= /111
Classify the triangle with angles 76,28,76
Isosceles acute
Find the sum of the measures of the interior angles of a pentagon
(5-2)180=540
Find the area of the circle with the given radius or diameter
R=30.3mm
2,884.3mm2
Pie*radius squared
Find the area of a triangle with a base of 36 and a height of 8.8
158.4yd2
Find the area of a circle with a radius of 5.6mm
98.52
Pie*5.6^2
A bag contains 4 BLUE marbles, 10 GREEN marbles, and 11 YELLOW marbles. You draw a marble from the bag and replace it. Then, you draw a second marble. Find P(yellow, then blue)
44/625
11/25*4/25=44/625
Be able to find mean, median, and mode, range
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