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Zarrin [17]
1 year ago
6

Hayley, James, and Tabby have a sticker collection. James has 7 more stickers

Mathematics
1 answer:
babymother [125]1 year ago
6 0

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. a10

b. a10

c. a10 d. a10

Which inequality represents the statement, “The pilot was less than 1.9 m tall”?

a. h1.9

b. h1.9

c. h1.9 d. h1.9

4 1

5. Solve5w4.813.24w. 9.

a. w=8

b. w=8.4

c. w=16

d. w=18

10. Express the inequality algebraically.

a. x12 b. x12

c. x12 d. x12

1

Step-by-step explanation:

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myrzilka [38]

Answer:

<u>$911.25</u>

Step-by-step explanation:

We know:

1 yd = 3 feet

So, 1 cubic yards should be *THREE* times the power of what the initial scale factor is, 3 cubed. That would make it:

1 yd = 3 feet

1^3 yd = 3^3 feet

1 cu. yd. = 27 cu. ft.

That means, the price of 1 cubic feet of sand is 27 times of the price of 1 cubic yd price

33.75 * 27 = <u>$911.25</u>

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3 years ago
Please Helpp! The picture posted is the question I have . TIA
OleMash [197]

The equation for volume of a sphere is:

Volume = 4/3 * PI * r^3

r is the radius = 1 inch

Volume is given as 4 cubic inches per second increase.

Given: dv/dt = 4 cubic inches per second.

Need to find dr/dt

Formula for volume of a sphere is: V = 4/3 * π * r^3

so now we have:

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zavuch27 [327]

16 sundaes

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Answer:

13

Step-by-step explanation:

3 x 3 = 9

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