3 years ago

Solve the inequality and graph the solution |7x-7|+2<23

1 answer:

3 0

$|7x-7|+2 < 23\ \ \ \ \ |-2\\\\|7x-7| < 21\iff7x-7 < 21\ \wedge\ 7x+7 > -21\ \ \ \ \ \ |+7\\\\7x < 28\ \wedge\ 7x > -14\ \ \ \ \ \ \ |:7\\\\x < 4\ \wedge\ x > -2\\\\-2 < x < 4$

You might be interested in

10ft*10ft of a circle What is the area, in ft2

alexgriva [62]

Answer:

Step-by-step explanation:

6 0

3 years ago

Solve 80% of x = 100 or 0.8x = 100

suter [353]

Answer:

125

Step-by-step explanation:

divide both sides of the equation by 0.8

0.8÷0.8=0.8÷100

any expression divided by 1 is itself

x=100÷0.8

divide the numbers

100÷0.8=125

125 is your answer

7 0

3 years ago

How to find the area

statuscvo [17]

You multiply length times width or base times height.

7 0

3 years ago

Read 2 more answers

Twenty-two more than a number is 47

Karo-lina-s [1.5K]

Answer:

the number is 25

Step-by-step explanation:

If the number is n, then twenty-two more is n + 22

which equals 47, so n+ 22 = 47

n = 47 - 22 = 25

8 0

3 years ago

What is the distance between the points (1, 3) and (9, 9)?

sashaice [31]

the answer is 10 units

$distance = \sqrt{(9 - 1) ^{2} + (9 - 3) {}^{2} } \\ = \sqrt{ {8}^{2} + {6}^{2} } \\ = 10$

4 0

3 years ago