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Sergio [31]
3 years ago
11

Which justification describes the process?

Mathematics
2 answers:
tester [92]3 years ago
4 0

Answer:

Option 1 - Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation.          

Step-by-step explanation:

Given : Process

Step 1: 4x + 2 = 10

Step 2: 4x = 8

To find : Which justification describes the process?

Solution :

From step 1 to step 2, we subtract 2 both sides

Step 1: 4x + 2 = 10

Subtracting 2 both side,

⇒ 4x + 2-2 = 10-2

Step 2: 4x = 8

So, The best justification is 'Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation'.

Therefore, Option 1 is correct.

Aleonysh [2.5K]3 years ago
3 0

Answer:

The correct option is 1. Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation.

Step-by-step explanation:

If a, b and c are three real numbers, then

1. According to Addition Property of Equality,

a=b \Leftrightarrow a+c=b+c

2. According to Subtraction Property of Equality,

a=b \Leftrightarrow a-c=b-c

3. According to Multiplication Property of Equality,

a=b \Leftrightarrow ac=bc

4. According to Division Property of Equality,

a=b \Leftrightarrow \frac{a}{c}=\frac{b}{c}

Step 1: The given equation is

4x+2=10

Step 2: Using the Subtraction Property of Equality, 2 is subtracted from both sides of the equation.

4x+2-2=10-2

4x=8

Therefore the correct option is 1.

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So the width = 1/3 x (31/4) =

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Step-by-step explanation:

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4 (3n-2) is the answer.

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Tell whether the lines through the given points are parallel, perpendicular, or neither. Explain.
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5 0
3 years ago
Priscilla has 4.3*10^8 strands of hair on her head. Diego has 8.7*10^5 strands of hair on his head. How many more strands of hai
MrMuchimi
<h3>Answer:  4.2913 * 10^8</h3>

====================================================

Work Shown:

4.3*10^8 = 4.3 * 10^(3+5)

4.3*10^8 = 4.3 * 10^3*10^5

4.3*10^8 = 4.3*1000*10^5

4.3*10^8 = 4300*10^5

Priscilla has 4300*10^5 strands of hair while Diego has 8.7 * 10^5 strands. Subtract the values out front: 4300-8.7 = 4291.3

Then tack on the "*10^5" portion to get 4291.3*10^5

The difference in the number of strands is 4291.3*10^5

Convert this to scientific notation to get the final answer.

4291.3*10^5 = (4291.3)*10^5

4291.3*10^5 = (4.2913 * 1000)*10^5

4291.3*10^5 = 4.2913 * 1000*10^5

4291.3*10^5 = 4.2913 * 10^3*10^5

4291.3*10^5 = 4.2913 * 10^(3+5)

4291.3*10^5 = 4.2913 * 10^8

Note: The number 4.2913 * 10^8 expands out to 429,130,000 which is a little over 429 million.

6 0
3 years ago
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