ok so we see that TR is 17 units, so RV is the same amount
3x+2 so 3x=15 so divide both sides by 3 we get x=5
now we know x=5 4x+1=21 and 9x-4=41
*drops microphone*
12/6 = 2
constant variation is 2
y = 2x
Answer:
Step-by-step explanation:
The 90th percentile is 1.2816 standard deviations from the mean. That tells you the standard deviation is ...
... (40 in - 38 in)/(1.2816) ≈ 1.56 in
The standard deviation for height for 4-year olds seems to be 1.56 inches.
Answer:
x = 16.5, 109
Step-by-step explanation:
Solve for x by simplifying both sides of the equation, then isolating the variable.