Answer:
The expression which will result in difference of two squares is:
(–7x + 4)·(–7x – 4)
Step-by-step explanation:
We know that the formula of the type:
(a-b)(a+b)=a²-b²
i.e. it is a difference of two square quantities. (a^2 and b^2)
since,
a= -7x , b=4
(-7x+4)(-7x-4)= (-7x)² - (4)²
=(7x)² - 4²
So the expression is a difference of two square quantities:
(7x)² and (4)²
Hence the answer is (–7x + 4)·(–7x – 4)....
Answer:
9x^2 +12
Step-by-step explanation:
The area of a rectangle is given by
A = l*w
= 3 *(3x^2 +4)
Distribute
= 9x^2 +12
Answer: x = 36
Step-by-step explanation:
we are given
firstly ,we will multiply both sides by 2
now, we can simplify it
and we get
now, we can solve for A
..........Answer
Gene's votes to Total votes
= Gene's votes: Total votes - 15
Since you did not provide the number of votes, I will give an example.
55 people voted for Dee, 45 people voted for Gene. This means the Total votes cast was 100.
The ratio of Dee's votes to total votes is: 55:100 ⇒ 11:20 <em>when reduced</em>
The ratio of Gene's votes to total votes is: 45:100 ⇒ 9:20 <em>when reduced</em>
If 15 people who voted for Dee did not vote, then the total number of voters is 85 so the ratios change as follows:
Dee: (55-15):(100-15) ⇒ 40:85 ⇒ 8:17 <em>when reduced</em>
Gene: (45-0):(100-15) ⇒ 45:85 ⇒ 9:17 <em>when reduced</em>