Answer:
b·
Step-by-step explanation:
Answer:
hen two lines intersect they form two pairs of opposite angles, A + C and B + D. Another word for opposite angles are vertical angles. Vertical angles are always congruent, which means that they are equal. ... Two angles are said to be supplementary when the sum of the two angles is 180°.
Step-by-step explanation:
Answer:
i)
ii)
And replacing we got:
iii)
Step-by-step explanation:
Let X the random variable of interest "number of inhabitants of a community favour a political party', on this case we now that:
The probability mass function for the Binomial distribution is given as:
Where (nCx) means combinatory and it's given by this formula:
Part i
We want this probability:
Part ii
We want this probability:
And we can use the complement rule and we have:
And if we find the individual probabilites we got:
And replacing we got:
Part iii
We want this probability:
And replacing we got:
Answer:
8 plus 4
Step-by-step explanation:
Answer:
1560 square yards
Step-by-step explanation:
The area of the trapezoid is the base times the average of the 2 heights.
That is equal to 40*(36+42)/2=1560 :)