Ratios are proportional if they represent the same relationship. One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional.
Answer:
3- (-5) + -2.
Step-by-step explanation:
Anything plus a negative number will either make that negative number go closer to zero, or turn into a positive number.
Answer: 97.72%
Step-by-step explanation:
Given : A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal curve.
Let x be the random variable that represents the shoe sizees.
Also, The population mean =
; Standard deviation: 
Formula for z:-

Put x= 8, we get

Now, the probability that the male shoe sizes are greater than 8 :-

Hence, the percent of male shoe sizes are greater than 8 is 97.72%.
Answer:
first one is 110
Step-by-step explanation:
180-75
To find the difference you would need to make the denominator equal so I changed it to 15 and the difference would be 7/15