Answer:
y=65; x=50
Step-by-step explanation:
x+y=115
50x+35y=4775
y=115-x
50x+35(115-x)=4775
50x+4025-35x=4775
15x=750
x=50
50(50)+35y=4775
2500+35y=4775
35y=2275
y=65
Answer:
Step-by-step explanation:
okay so it’s gonna be 11.400
Answer:
1/3
Step-by-step explanation:
You can answer this as
9/27=1/3
and
3/9=1/3
and so 1/3 is the the constant proportionality for both figures
Hope You Understand :)
Answer:
Step-by-step explanation:
Let's call lifeguarding L and car washing W. In order to write a system, we need to first separate the NUMBER of hours worked from the MONEY earned, because they are very different things.
If she works 10 hours, that is the number of hours worked between both jobs. Therefore, the equation for the NUMBER of hours worked is
L + W = 10.
If she earns $13 an hour lifeguarding, the expression for that is 13L; if she earns $12 an hour car washing, the expression for that is 12W. The MONEY she earned together by doing both those jobs is
13L + 12W = 124
There you go!
Answer:
Step-by-step explanation:
First write out the vector and do the computation.
After that sketch the vector on the graph the arrow show where the vector is pointing to.
You can use the vector v to find the unit vector