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2 years ago

If 20 Sunday newspapers weigh 18 pounds, how many pounds do 30 Sunday newspapers weigh? 27 pounds 28 pounds 33 pounds 38 pounds

Mathematics

2 answers:

Dominik [7]2 years ago

7 0

I believe the answer is A 27 pounds.

I hope this helps :)

Arisa [49]2 years ago

6 0

If 20 papers weigh 18 lbs then 10 papers weigh 9 lbs.

9 lbs × 3 = 27 lbs for the 30 papers

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natka813 [3]

I hope this helps you

8n=7n+1/2

2.8n=7n+1

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9n=1

n=1/9

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2 years ago

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What is the distance between the points (−7, 1) and (−7, −5) on the coordinate plane?

4vir4ik [10]

Answer:

$\displaystyle d = 6$

General Formulas and Concepts:
Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinate Planes

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

Step-by-step explanation:

Step 1: Define

Identify.

Point (-7, 1)

Point (-7, -5)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

Substitute in points [Distance Formula]: $\displaystyle d = \sqrt{(-7 - -7)^2 + (-5 - 1)^2}$
[Order of Operations] Evaluate: $\displaystyle d = 6$

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2 years ago

Chad created a table that shows the ratio of his role playing game cards.

Lena [83]

Answer:

The correct answer is

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Step-by-step explanation:

On edge :)

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bezimeni [28]

28.5 (I don't know if this is fully correct)

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1 year ago

7(3x+5) = 11 - (x +9)

nevsk [136]

The answer for this problem is X= -103

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