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3 years ago

Mr. Lee bought rock to landscape around his house. He bought seven ton of rock for $151.13. How much did the rock cost per ton?

Mathematics

2 answers:

Mazyrski [523]3 years ago

8 0

Answer:

A. $21.59

Step-by-step explanation:

$151.13 ÷ 7 tons= $21.59 each per ton

dalvyx [7]3 years ago

5 0

The answer is A. Because 151.13 divided by seven equals 21.59

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A 6-pack of toilet paper costs $5.40. A 12-pack of toilet paper costs $11. Which package offers the best price per roll?

igomit [66]

Answer: 6-pack.

Step-by-step explanation:

assuming there’s no tax, the 6-pack would offer the best price per roll.

for 12 rolls w/ the 6 pack it’d be 10.80 which divided by 12 is .9(0)a roll. Where as the 12 for 11 is roughly .91 . So the 6-pack is a better offer.

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2 years ago

Simplify completely*******

Elodia [21]

Answer:

$\displaystyle \frac{x - 12}{4}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Terms/Coefficients
Factoring

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{2x - 24}{8}$

Step 2: Simplify

[Fraction - Numerator] Factor: $\displaystyle \frac{2(x - 12)}{8}$
[Fraction] Reduce: $\displaystyle \frac{x - 12}{4}$

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3 years ago

Read 2 more answers

Y= - 2x + 4 2x + y = 4

Tomtit [17]

Answer:

Infinite amount of solutions

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Algebra I

Terms/Coefficients
Coordinates (x, y)
Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

y = -2x + 4

2x + y = 4

Step 2: Solve for x

Substitution

Substitute in y: 2x + (-2x + 4) = 4
Combine like terms: 4 = 4

Here we see that 4 does indeed equal 4.

∴ the systems of equations has an infinite amount of solutions.

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3 years ago

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slega [8]

44.85 * 9.84 = 441.2256

88.6 * 5.01 = 443.886

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3 years ago

Arlene is testing whether school is more enjoyable when students are making high grades. She asked 100 students if they enjoyed

WARRIOR [948]

What is the probability that a student with a GPA below 3.0 does not enjoy school?
Only 15/60 below 3.0 enjoy school.
Rounded, that equals 25%.

Therefore, there is a 75% probability that a student with a GPA below 3.0 does not enjoy school.

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3 years ago