Which graph represents the solution set of the system of inequalities

1 answer:

8 0

The solution of a linear inequality is the ordered pair that is a solution to all inequalities in the system and the graph of the linear inequality is the graph of all solutions of the system. Graph one line at the time in the same coordinate plane and shade the half-plane that satisfies the inequality.

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What value of q make the equation true 20/q 7/9

maria [59]

20/q = 7/9
20×9 = 7q
7q = 180
q = 180/7

5 0

3 years ago

3x^2-12x-21=0 solve by completing the square

morpeh [17]

Answer:

x = 2 ± √11 (I believe)

Step-by-step explanation:

3 0

3 years ago

Which step is incorrect when solving the equation 2(x+9)=4(x+7)+2?

iragen [17]

Answer:

3. 2x+18=4x+26

Step-by-step explanation:

2(x+9)=4(x+7)+2

2x+18=4x+28+2

2x+18=4x+30

The step that made an error in solving this linear equation is step 3.

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3 years ago

A decimal is considered as

dalvyx [7]

<h3>Answer: B) real number</h3>

Explanation:

Something like 3.5 = 7/2 is a rational number because its a fraction of two integers.

While on the other hand, the constant pi = 3.14159... is irrational because we cannot write pi as a fraction of two integers. We can get approximations like 22/7, but not a perfect exact match.

Both types of numbers, rational and irrational, are under the umbrella of the real number system. Any real number is a string of decimal digits. Sometimes it might be a whole number, but fractional values can be included as well. The decimal number may terminate, or it may repeat, or it may go on forever without a pattern.

In short, any number you can think of is a real number assuming your teacher hasn't covered complex numbers (or imaginary numbers) just yet.

5 0

2 years ago

Read 2 more answers

What is the rate of change between (-8,- 8) and (0,8)

iren [92.7K]

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