Answer:
your correct awnswer is A
Step-by-step explanation:
Answer:
15/36
Step-by-step explanation:
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:
Answer:
dave is 6 years old depending on which way you are halfling
Step-by-step explanation: the dog is 12 years and 9 months old
dave would be 6 i believe unless its going the other way then i have no clue
a decade is 10 years btw.
Why?
We have the isosceles right triangle. The length of legs are 6. Use the Pythagorean theorem:
In general, the formula for calculating the hypotenuse in an isosceles right triangle is 
a - a leg, h - a hypotenuse
