If you're looking for Sam's age, the equation is 2x+5=3x-1. When solved, you get 6. Sam is 6.
David spends 100 minutes exercising everyday. We can make a proportion here, and it is very easy. 40%/100% = 40 minutes/ x minutes. Because the two sides have the sane numerator, they must also have the same denominator to be equal.
Answer:
11
Step-by-step explanation:
i dont really know but i think it is 11 because its all two numbers distance
Answer:
y = -1/2 x + 3/2
Step-by-step explanation:
Solve for y.
4x + 8y = 12
8y = -4x + 12
y = -4/8 x + 12/8
y = -1/2 x + 3/2
Answer:
Remember, the mean is calculated by adding the scores together and then dividing by the number of scores you added. In this case, the mean would be 2 + 4 (add the two middle numbers), which equals 6. Then, you take 6 and divide it by 2 (the total number of scores you added together), which equals 3.
Step-by-step explanation:
Hope I helped.It's just a reminder of helpful things for means!