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Phoenix [80]
2 years ago
11

3x - 9 = (-18) Please help step by step please

Mathematics
1 answer:
GarryVolchara [31]2 years ago
5 0

Answer: x = -3

Step-by-step explanation:

3x - 9 = -18

1. Add 9 to each side.

3x-9=-18

   +9  +9

3x=-9

2. Divide by 3.

3x/3 = -9/3

You are done.

x = -3

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3 years ago
The diagram shows 28 lattice points, each one unit from its nearest neighbors. Segment AB meets segment CD at E. Find the length
IrinaVladis [17]

Answer:

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4 0
3 years ago
If the actual book is 9 inches wide. How tall is the actual book?
evablogger [386]

The height of the book is 18 inches tall.

<h3>How to calculate the height?</h3>

The width of an image of a book shown on a website = 1.5 inches

The length of the book shown on the website = 3 inches

The actual width of the book = 9 inches

Scale of the book image = 1 inches  = 6 inches

The actual heigth of the book:

= 3 × 6

= 18 inches.

The actual book is 9 inches wide and 18 inches tall.

Learn more about height on:

brainly.com/question/11309724

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An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide

7 0
1 year ago
Help me solve the volume for the sphere?
iogann1982 [59]

Answer:

38.77 yd³

Step-by-step explanation:

The volume of the sphere can be determined by using the formula 4πr³/3.

[Where "r" is the radius of the circle].

<u>We are given that:</u>

Radius of circle = 2.1 yd

<u />

<u>When we substitute the radius in the formula, we get;</u>

⇒ 4 × π × (2.1)³/3

<u>Let π be substituted as 3.14. Then;</u>

⇒ 4 × π × (2.1)³/3

⇒ 4 × (3.14) × (2.1)³/3

<u>When evaulating the cube of 2.1, we get;</u>

⇒ 4 × (3.14) × (2.1)³/3

⇒ 4 × (3.14) × (2.1) × (2.1) × (2.1)/3

<u>When simplified, we get;</u>

⇒ 4 × (3.14) × (2.1) × (2.1) × (2.1)/3

⇒ 4 × (3.14) × (2.1) × (2.1) × (0.7)

⇒ 4 × (3.14) × (4.41) × (0.7)

⇒ (12.56) × (4.41) × (0.7)

⇒ 38.77272 ≈ 38.77 yd³          (Rounded to nearest hundredth)    

Therefore, the volume of the sphere is 38.77 yd³.    

4 0
2 years ago
dans dog walking job pays $15 per hour. his job as a car-wash attendant pays $400 each week. dan wants to know how many hours he
UkoKoshka [18]

Answer: 400 520<15x+400x 15x+400>520

Step-by-step explanation:

7 0
1 year ago
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