Math 2nd Semester Flashcards Preview

7 and 8 1st Sem Exams > Math 2nd Semester > Flashcards

Flashcards in Math 2nd Semester Deck (14):
0

Calculate 87% of 79

.87*79


A=68.73

1

42 is what percent of 120?

35%

2

190 is 76% of what number?

190/.76 =.76*x

1444

3

What percent of 50 is 35?

35/50=

70%

4

The sales tax rate 5.7%. Find the tax paid for a sweater that costs $97

X=.057*97

$5.53

5

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

6

Find the percent of discount. Round to the nearest whole percent
Regular price: $111
Sale price: $87.50

21%

111-87.50= /111

7

Classify the triangle with angles 76,28,76

Isosceles acute

8

Find the sum of the measures of the interior angles of a pentagon

(5-2)180=540

9

Find the area of the circle with the given radius or diameter

R=30.3mm

2,884.3mm2

Pie*radius squared

10

Find the area of a triangle with a base of 36 and a height of 8.8

158.4yd2

11

Find the area of a circle with a radius of 5.6mm

98.52

Pie*5.6^2

12

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

13

Be able to find mean, median, and mode, range

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