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Marina86 [1]
3 years ago
10

How do you decide whether a number is a solution of an inequality

Mathematics
1 answer:
disa [49]3 years ago
4 0

Answer:

  • We can solve inequalities to find all values of the variable that make the inequality true. The idea is to get the variable all by itself on one side of the inequality sign so we can easily see the solutions to the inequality.
  • Hence for any given inequality and for any given number if we put that number in that inequality and see that the given inequality sign holds true than that number will be a solution of the inequality otherwise it is not an solution of the inequality.


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A poll is given, showing 30% are in favor of a new building project. If 10 people are chosen at random, what is the probability
Schach [20]

Answer:

30%

Step-by-step explanation:

3 0
3 years ago
Evaluate and match each expression on the left to its value on the right, when x = 9 and y = 6.
kolezko [41]
Answers: 12-x=3 | x+3y=27 | 4y-10=14 | 1/3xy=18

Explanation: x=9 and y=6
12-(9)=3 | (9)+3(6)=27 | 4(6)-10=14 | 1/3(9)(6)=18

5 0
3 years ago
What is the algebraic expression for the difference between nine times a number and four more than six times the number?
Mazyrski [523]

Answer:

9n-(6n+4)

Step-by-step explanation:

n is number

7 0
3 years ago
When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of thi
Deffense [45]

Answer:

I know this is late but here

Slope = -1/25, y-intercept = 15

I can’t really explain it though

6 0
3 years ago
PLEASE HELP!!! WORTH 20 POINTS!
Mkey [24]

Answer:

a. 1 1/2 (or 3/2)

b. 2/3

c. 1

d. 1

Step-by-step explanation:

Part A: (1,1) (7,5)

To determine the slope, you will use the equation m=(y2-y1)/(x2-x1). Keep in mind that it doesn't matter what point you use for (x1, y1) or (x2, y2).

Let's plug in the numbers for part a:

m=(7-1)/(5-1)

Let's then solve the problems inside the parentheses:

m=6/4

And finally, we simplify:

m=3/2 (or 1 1/2 depending on what your teacher wants for an answer)

For these others, I will just go through the steps and not explain them, if you need help or don't understand something I'm doing, either look back at what I did for part a or comment on this answer.

Part B: (1,1) (5,7)

m=(5-1)/(7-1)

m=(4/6)

m=2/3

Part C: (2,5) (-1,2)

m=(-1-2)/(2-5)

m=(-3/-3)

m=1

Part D: (2,5) (-7,-4)

m=(-7-2)/(-4-5)

m=(-9/-9)

m=1

8 0
2 years ago
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