Answer:
Name: ________________________ Class: ___________________ Date: __________ ID: A
Math 9 - Chapters 8 and 9 Review
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. Solve the following: 5s 4 22.
a. s=2.4
b. s=3.6
c. s=18
d. s=22
2. Solve 7.2 b 6.4 43.12.
a. b=5.1
b. b=6.88
c. b=13.6
d. b = 29.52
3. Solve 4.6(2.5a 2) 6.9.
a. a=1.4
b. a=2.76
c. a=23.0
d. a=3.56
4. Solve 2.3t 5t 9.99.
a. t = –1.37
b. t=1.37
c. t=3.7
d. t=4.34
6.
7.
8.
Brenda got a mark of 18 on her test. This mark was equal to 72%. How many marks was the test worth?
a. 24
b. 25 c. 30 d. 100
Anapplehas5mgofvitaminC.Abananahas2 mg more than twice the amount of vitamin C of an apple. If an orange has 3.5 times as much vitamin C as a banana, how much vitamin C does an orange have?
a. 7mg
b. 12mg
c. 24.5 mg
d. 42mg
The statement “The boy appears to be at least 10 years old” can be represented by the inequality a. a10
b. a10
c. a10 d. a10
Which inequality represents the statement, “The pilot was less than 1.9 m tall”?
a. h1.9
b. h1.9
c. h1.9 d. h1.9
4 1
5. Solve5w4.813.24w. 9.
a. w=8
b. w=8.4
c. w=16
d. w=18
10. Express the inequality algebraically.
a. x12 b. x12
c. x12 d. x12
1
Step-by-step explanation:
0.1[x+250]=5000
10(0.1[x+250]=5000
1[x+250]=50,000
x+250=50,000
-250 -250
x = 49,750
Answer:
b) 10
Step-by-step explanation:
(3×10+46)+14 = 90
<em>Hope this helps!!!!!</em>
She has 24 pieces, 8x3=24.
Plz rate 5 stars
Answer:
NUMBER TWO IS ------ 22,29,37
I DONT KNOW NUMBER THREE
Step-by-step explanation:
I HOPE I HELPED U 229 999 0523
