The solution is where the two lines cross each other which is (2.3, 4.1)
To graph the lines replace x with a number and solve for y, so this at least twice for each equation. This will give you points to use to draw the lines.
You have to formulate equations for this problem.
Let S = Science score
M = Math score
C =
Chemistry score
To illustrate the given:
0.9S = 0.75M
0.9S = 0.8C
You are given that Karen’s Math score is 96 marks. You have
to substitute the Math score to the first equation.
0.9S = 0.75(96)
0.9S = 72
S = 80
Therefore, Karen’s Science score is 80. Now, you have to
substitute the Science score to the second equation.
0.9(80) = 0.8C
0.8C = 72
C = 90
So, Karen’s Chemistry score is 90.
Therefore, the total score of the 3 subjects is 266 (96 + 80
+ 90).
27 miles. Because in one hour he does 3 miles so in 9 hours he does 27
Answer:
10 feet
Step-by-step explanation:
2.5/5=5/Summer's shadow
Summer's shadow=25/2.5
Summer's shadow=10 feet
Answer:
If you take 2/3 in a calculator you get 0.6 repeating and if you take that times 1/2 you will get 0.3 repeating therefor 1/3
Step-by-step explanation:
