Answer:
The mean score of the entire team is 26.909.
Step-by-step explanation:
Given that four batsmen had a mean of 42.5.
Let
, where
denote the batsmen.
From the first statement, we have:


Therefore, the sum of the scores of the first four batsmen is 170.
Now, from the second statement we have:


That is, the sum of the scores of the remaining 7 batsmen is 126.
Now, to calculate the average(mean) of the entire team, we add the individual scores and divide it by 11.


which is the required answer.
Answer:
Step-by-step explanation:
Mode is the number that appears most often in a set, so for this one the mode would be 3 since it appears the most often
Multiply the base by the height and then divide it by 2.
Answer:

Step-by-step explanation:
<u>Roots of a polynomial</u>
If we know the roots of a polynomial, say x1,x2,x3,...,xn, we can construct the polynomial using the formula

Where a is an arbitrary constant.
We know three of the roots of the degree-5 polynomial are:

We can complete the two remaining roots by knowing the complex roots in a polynomial with real coefficients, always come paired with their conjugates. This means that the fourth and fifth roots are:

Let's build up the polynomial, assuming a=1:

Since:


Operating the last two factors:

Operating, we have the required polynomial:

Only B is equivalent to 64
26 ≠ 64
24 x 4 is 64 = 64
23 x 42 is 966≠ 64
43≠64
hope this helps