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3 years ago

-1/3 = r - 3/4 What is r?

Mathematics

1 answer:

joja [24]3 years ago

5 0

Answer:

r = 5/12

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

Step-by-step explanation:

Step 1: Define

-1/3 = r - 3/4

Step 2: Solve for r

[Addition Property of Equality] Add 3/4 on both sides: 5/12 = r
Rewrite: r = 5/12

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liubo4ka [24]

Answer:

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Step-by-step explanation:

We are to find the similarity ratio of a cube with volume $729 m^3$ to a cube with volume $3375 m^3$ .

We know the formula for the ratio of two cubes:

$\frac{V_1}{V_2} =k^3$

where $k$ is the similarity ratio of the two cubes.

Substituting the given values in the formula to find $k$ :

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