Side MN = 6, side OM = 9, side PQ = 6, and side RP = 9. What side corresponds to side NO and can be used to show that ΔMNO ≅ ΔPQ
2 answers:
Answer:
QR is the side corresponds to side NO.
Step-by-step explanation:
SSS(Side-Side-Side) Postulates states that if three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent.
Given: Side MN= 6 units , OM = 9 units , PQ = 6 units and RP = 9.
In triangle MNO and triangle PQR
MN = PQ = 6 units [Side]
OM = RP = 9 units. [Side]
NO = QR [Side]
Then; by SSS postulates
Therefore, the sides which corresponds to side NO is, QR .
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Answer:
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Step-by-step explanation:
The concept of mean is well represented by the following formula
mean = , where x1, x2, xn are the observations and N is the number of observations (population).
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Standard deviation =√[((x1 - x)² + (x2-x)² + ....+ (xn-x)²)/N-1], where x1, x2,..., xn are the observations and x is the mean value.
In this case you have that each height registered is an observation and the number of observations represents the N value. As you can see if the mean for males is different from that of females their standard deviation will be different too. Usually males have heigths greater than that of females (1.77 vs 1.64, in USA for example), and heights inside each group will be more similar than between groups. Then, when you mix all observation there will be an increase in standard deviation, because you are mixing very different heigths