Answer:
A
Step-by-step explanation:
A: The student incorrectly divided both sides by 35. The student should first add 10 to both sides, obtaining 35x = 15, and then divide 15 by 35, obtaining the final answer 3/7.
Solve y: 6.3 = 0.9y
6.3/0.9 = 0.9y/09
y = 7
Solve x: x + 7.72 = 19
x + 7.72-7.72 = 19 - 7.72
x = 11.28
What is y? 7 What is x? 11.28
Answer:
sorry I'm not that good at math
Step-by-step explanation:
[sorry for the waist of time]
Answer:
67th percentile
Step-by-step explanation:
If the mean is 8 with a standard deviation of 1.5, the percentile rank of a shoe with at least a size of 9 is 66.6 repeating, or 67th if rounded.
Answer:
1/2
Step-by-step explanation:
Pick two of the x's and y's
The first two columns in the table, the x's are -2 and 0 and the y's are 3 and 4.
The x value changes as a +2 and the y value changes from a +1 from the first two columns. Put the +2 as the denominator and the +1 as the numerator. 1/2
