Answer:
A. 8x+5y
Step-by-step explanation:
First day: 3x+2y
Second day: 5x+3y
Add both expressions together.
(3x+2y)+(5x+3y) =
= 3x+2y+5x+3y=8x+5y
Hope this helps!
If not, I am sorry.
Answer:
-1
Step-by-step explanation:
The constant rate of change is -y for every one x.
I hope this chart is helpful
Answer:
d) sin(45°) = 13/
Step-by-step explanation:
Trig ratios:
sin(x) = O/H
cos(x) = A/H
tan(x) = O/A
where x is the angle, O = opposite side to angle, A = adjacent side to angle, and H = hypotenuse
From inspection, we have been given the measure of the side OPPOSITE to the angle and the measure of the HYPOTENUSE.
angle = 45°
opposite side = 13
hypotenuse = 
Therefore, substitute these values into the sine trig ratio:
⇒ sin(x) = O/H
⇒ sin(45°) = 13/
Answer: (-6, 4)
Step-by-step explanation:
You can use the Elimination method:
- Multiply the the first equation by -3 and the second one by 5.
- Add both equations.
- Solve for y:

- Susbtittute y=4 into any of the original equations and solve for x:

Then the ordered pair is:
(-6, 4)