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Flura [38]
3 years ago
11

When you solve the equation x + 1 = 2x for x, the solution is 1. 1) Square both sides of the equation, and verify that your solu

tion satisfies the new equation. 2) Show that −13 satisfies the new equation but not the original equation.
Mathematics
1 answer:
tatiyna3 years ago
7 0

Answer:

(x + 1)² = (2x)²

(1 + 1)² = (2(1))²

2² = 2²

4 = 4

(-1 + 1)² = (2(-13))²

(-12)² = (-26)²

Not true

x = -13 satisfies neither

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Yakvenalex [24]

The correct answers are :

(5x)² ≥ 46

x² + 5x ≤ 46

5x² > 46

<h3>What is Inequalities?</h3>

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Here, Suppose number is x

1)  The square of the product of 5 and a number is not less than 46.

Step 1

Product of 5

5x

Step 2

Square of product of 5

(5x)²

Step 3

A number is not less than 46

(5x)² ≥ 46

2)  The sum of square of a number and five times that number is not more than 46

Step 1

Square of a number

x²

Step 2

Five times that number

5x

Step 3

The sum = x² + 5x

Step 4

Is not more than 46

x² + 5x ≤ 46

3)  The product of 5 and the square of a number is greater than 46

Step 1

The square of a number

x²

Step 2

The product of 5

5x²

Step 3

Is greater than 46

5x² > 46

Thus, The correct answers are :

(5x)² ≥ 46

x² + 5x ≤ 46

5x² > 46

Learn more about Inequality from:

brainly.com/question/20383699

#SPJ1

3 0
1 year ago
What is 9/20-3/20 in the simplest
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\frac{9}{20}- \frac{3}{20} =  \frac{6}{20}÷\frac{2}{2} = \frac{3}{10}
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3 years ago
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Answer:

-7c

Step-by-step explanation:

8 0
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Find the sum of the first four terms of the geometric series 100 + 50 + 25 + ...
elixir [45]

Answer:

<em><u>Decimal</u></em><em><u>:</u></em>

100 + 50 + 25 + 12.5 + 6.25 + 3.125 + 1.5625

<u><em>Fraction</em></u><u><em>:</em></u>

100 +50+25 + 12\frac{1}{2}+6\frac{1}{4}+3\frac{1}{8}+1\frac{9}{16}

3 0
3 years ago
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