Answer:
Step-by-step explanation:
Remember that
If angle t belong to the First Quadrant
then
The value of sin(t) and cos(t) are positive values
we know that
---> by trigonometric identity
we have
substitute
Answer:
Step-by-step explanation:
x + 2y = -5
-3x - 6y = -1
3x + 6y = -15
-3x - 6y = -1
0 ≠ -16
no solution
If there were no tip, each person would have to pay $5. They pay this much because if the bill is $50 and there are 10 people, would would calculate by 50 divided by 10 which would equal 5 so 10 people pay $5 dollars. The total would be $50.
Answer:
-3, 7
Step-by-step explanation:
because you take how much from the first coordinate to the second and add it too the second