Answer:
Yes, it is.
Step-by-step explanation:
First you input the numbers in x and y, so the equation becomes 8(1)-5(2)∠20, and then multiply to get 8-10 is less than 20. Since 8-10 is -2, the point is a solution because -2 is less than 20.
(hope this helps!)
Answer:
The test contains 10 three-point questions and 14 five-point questions.
Step-by-step explanation:
We can substitute a definition of one of the variables by rearranging the first equation.
We set the first equation equal to one of our two variables.

Now we substitute this equality into our second equation

Answer:
-6.7, -28/5, 8.2, 17/2
Step-by-step explanation:
Divide the fractions to turn them into decimals, then organize from least to greatest!