Answer:
-18
Step-by-step explanation:
Coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression
find the mean 164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170
shtirl [24]
Answer:
170.72
Step-by-step explanation:
Add up all data values to get the sum
Count the number of values in your data set
Divide the sum by the count
Answer: Two and one tenth.
Answer:
11 and 7.
Step-by-step explanation:
7 + 11 = 18
7 times 2 is 14 and 14 + 11 = 25
Answer:
Step-by-step explanation:
We want probability that 1st is girl AND 2nd is girl as well.
In probability "AND" means multiplication and "OR" means "addition".
<u><em>We find the probabilities separately and multiply them together, since "AND".</em></u>
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- P(girl from 7th grader) = number of girl 7th grader/total number of 7th grader
=9/10
- P(girl from 8th grade) = number of girl in 8th grade/total number of 8th grader
=2/4
P(both girls) = 9/10 * 2/4 =9/20