Answer:
(5*25) - (14/7)
<em>* means multiply and / means divide</em>
Answer:
81.167~
Step-by-step explanation:
You can find the mean (or average) of a set of numbers by adding them together and dividing the sum by the amount of values there are.
In this case, there are 6 values.
The total sum of the six values is 487.
To receive the mean, divide 487 by 6.
Answer:
= 3.75
Step-by-step explanation:
The n th term of a geometric sequence is
= a₁
where a₁ is the first term and r the common ratio
Here a₁ = 30 and r = 
, thus
= 30
= 30 × 
= 
= 
= 3.75
E=IZ=(3 + 2i)(<span>2 – i)=3*2-3i+2i*2-2i*i =6 - 3i+4i -2i²=6</span>-2i²- 3i+4i =6+2+i=8+i<span>
i²=-1
E=8+i</span>
Answer:
the answer is a, c and d
a. a=180(n-2)
c. n=a/180+2
d. n= a+360/180
Step-by-step explanation:
