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3 years ago

Reduce fractions to lowest terms 14/21

Mathematics

2 answers:

Yuliya22 [10]3 years ago

8 0

This fraction can be simplified into 2/3.

Dima020 [189]3 years ago

3 0

14/21, both numbers both have factors of 7, so it would be 2/3.

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A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are

Gelneren [198K]

Volume= a³
a=edge
2197 = a³
=> a=13 m
Surface area=6a²=6*13²=6*169=1014 m²
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=> 26 cans needed

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3 years ago

HOW MANY nibbles ARE IN ONE kilobyte?

Vilka [71]

Answer:

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Step-by-step explanation:

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A container holds 8 gallons of water. If 4/5 of a gallon is added to the container each hour, how many hours would it take to fi

son4ous [18]

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the answer is A

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3 years ago

Read 2 more answers

Emma starts at one end of a 45-mile-long bike trail. After

aleksley [76]

Answer:

She has already reached the end of the trail.

Step-by-step explanation:

216 is a greater number than 45 miles

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3 years ago

Find the solution of the system by graphing

zvonat [6]

Answer:

x = -2

y = -1

(-2, -1)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Solving systems of equations using substitution/elimination
Solving systems of equations by graphing

Step-by-step explanation:

Step 1: Define systems

y = x + 1

3x + 3y = -9

Step 2: Solve for x

Substitution

Substitute in y: 3x + 3(x + 1) = -9
Distribute 3: 3x + 3x + 3 = -9
Combine like terms: 6x + 3 = -9
Isolate x term: 6x = -12
Isolate x: x = -2

Step 3: Solve for y

Define original equation: y = x + 1
Substitute in x: y = -2 + 1
Add: y = -1

Step 4: Graph systems

Check the solution set.

6 0

3 years ago