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Len [333]
2 years ago
5

An online book store sells e-books on their website. Each book is the same price. The cost to purchase 5 e-books is $8.00.

Mathematics
1 answer:
puteri [66]2 years ago
3 0

Answer:

C=1.6b

Step-by-step explanation:

X represents the price of each book

8=5x

Divide both side by 5

X=1.6

C=1.6b

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(12x - 30) = (2x - 5)​
zzz [600]

Answer:

x = 5/2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

12x - 30 = 2x - 5

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Subtract 2x on both sides:                    10x - 30 = -5
  2. Add 30 to both sides:                            10x = 25
  3. Divide 10 on both sides:                        x = 5/2
8 0
3 years ago
40 POINTS + BRAINLIEST!
kotegsom [21]
Asnwer:
15 Units
Hope this helps! :)
4 0
3 years ago
Read 2 more answers
What is the total surface area of the
Tom [10]

Answer:

D:315

Step-by-step explanation:

6x7 and then divide by 2 = 21+21 =42 13x7= 91x3= 273+ 42= 315

6 0
3 years ago
There are 80 dogs and cats in the animal shelter. The ratio of dogs to cats is 5/11. How many of the animals are dogs
Dima020 [189]

Answer:

25 dogs and 55 cats

Step-by-step explanation:

5/11 ratio, first add those up which you get 16

Then divide the total amount of animals by the ratio-80

80/16 = 5

(5*5)/(11*5)

25 dogs and 55 cats

4 0
3 years ago
The magnitude, M, of an earthquake is defined to be
lesantik [10]

Answer:

1.5

Step-by-step explanation:

The magnitude, M, of an earthquake is defined to be

M = log l/s

where <em>I</em> is the intensity of the earthquake and <em>s</em> is the intensity of a “standard” earthquake.

If an earthquake that is 35 times more intense than a standard earthquake, then l/s = 35. Replacing it in the equation:

M = log 35  = 1.5

5 0
3 years ago
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