Quiz 20, Units 1 - 6 Flashcards Preview

8th Math - Pre-Algebra > Quiz 20, Units 1 - 6 > Flashcards

Flashcards in Quiz 20, Units 1 - 6 Deck (10):
1

7 hours 9 minutes minus 3 hours 15 minutes is 4 hours 54 minutes.

False.
7 hrs 9 mins = 6 hrs 69 min.
- 3 hrs 15 min.
3 hrs 54 min.

2

16 1/8% = .16125

true

3

use multiplication to find the total possible outcomes for two independent events.

true

4

6 + 2squared - (3 x 4) = -2

6 + 4 - 12 =
10 - 12 =
-2
true

5

a negative number times a negative number is a positive number

true

6

the prime factors of 45 are 3squared * 5

true
45 = 5 * 9
45 = 5 * 3 * 3

7

4.78 x 10 to the -5 power = .000478

false
.0000478

8

65 C = ____ F

F = 9/5 (C) + 32
F = 9/5(65) + 32
F = 117 + 32
F = 149

9

m + 2 + 5 = 16/2

m + 7 = 8
m + 7 - 7 = 8 - 7
m = 1

10

1 7/15
- 2/3
--------

1 7/15 = 22/15
- 10/15 10/15
_______
12/15 = 4/5