Answer:
8:6 and 16:12
Step-by-step explanation:
Answer:
The root is x = -2
Step-by-step explanation:
1. Add 4 on both sides.
x^2 + 4r + 4 = 0
2. What two numbers, if added together and multiplied together, give 4?
2 and 2.
3. Factor
(x+2)(x+2)=0
4. Solve
x = -2 (There is only one root for this quadratic equation.)
Please give me brainliest is this is right. Than you!
Answer:
C
Step-by-step explanation:
This one sounds the most confident, being a call to action. It is good to end a thought with motion.
There are 3060 ways the club send 4 students to the next debate if there are 18 students on the debate club.
<h3>What is permutation and combination?</h3>
A permutation is the number of different ways a set can be organized; order matters in permutations, but not in combinations.
We have the total number of students = 18
The number of ways the club send 4 students to the next debate is:
= C(18, 4)

= 3060
Thus, there are 3060 ways the club send 4 students to the next debate if there are 18 students on the debate club.
Learn more about permutation and combination here:
brainly.com/question/2295036
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Answer:
11
Step-by-step explanation:
17 + 9 +11 + 7 = 44
44/4 = 11