Name the interval on which the function graphed below is

Mathematics

1 answer:

Vitek1552 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

x > 1.5

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Solve the system of linear equations by elimination 2x+7y=1 2x-4y=12

pishuonlain [190]

$\left\{\begin{array}{ccc}2x+7y=1\\2x-4y=12&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2x+7y=1\\-2x+4y=-12\end{array}\right}\qquad\text{add both sides of equations}\\.\qquad\qquad11y=-11\qquad\text{divide both sides by 11}\\.\qquad\qquad \boxed{y=-1}\\\\\text{Put the value of y to the first equation:}\\\\2x+7(-1)=1\\2x-7=1\qquad\text{add 7 to both sides}\\2x=8\qquad\text{divide both sides by 2}\\\boxed{x=4}\\\\Answer:\ \boxed{x=4\ and\ y=-1\to(4,\ -1)}$

3 0

4 years ago

Is -5 greater than -9

sveta [45]

Answer: Yes! -5 is greater than -9, because with negatives the smaller numbers are the greatest because they are below 0. Have a good day and Good Luck!

Step-by-step explanation:

4 0

4 years ago

Read 2 more answers

Please help out with this QUestion thank chu very much

galina1969 [7]

Answer:

The graph in the attached figure

The point (-1,4) represent a solution

Step-by-step explanation:

we have

$x> -2$ ----> inequality A

$y\leq 2x+7$ ----> inequality B

using a graphing tool

The solution is the shaded area

see the attached figure

Remember that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must lie on the shaded area of the solution of the system of inequalities

The point (-1,4) represent a solution