Answer:
w= 15.75 or 15 3/4
Step-by-step explanation:
So I would multiply 100 on both sides to get rid of the decimals so I’d end up with 40w+245=875
Now solve it by subtracting 245 on both sides.
40w=630
now divided 40 on both sides
15 3/4
Final answer 15 3/4 or 15.75
Answer:
A. sides
Step-by-step explanation:
the ratio that is equal to 10:85 is 20:170 because if you multiply both sides by two you get 20:170
Answer:
The answer is below
Step-by-step explanation:
The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean, it is given by the equation:

Given that μ = 650, σ = 50. To find the probability that 5 students who have a mean of 490, we use:

From the normal distribution table, P(x < 490) = P(Z < -7.16) = 0.0001 = 0.01%
Since only a small percentage of people score about 490, hence the local newspaper editor should write a scathing editorial about favoritism
Answer:
600
Step-by-step explanation:
Please don't report I tried my best