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SIZIF [17.4K]
2 years ago
11

Question Category: Solving Quadratic Equations by Factoring Select the correct answer. Find the solution to the equation below.2

x^2 +3x - 20 = 0
A) x= -5/2, 4
B) x = -4, -3/2
C) x= -4, 5/2
D) x= -4, 3/2
Mathematics
2 answers:
Molodets [167]2 years ago
7 0

Answer:

C. x = -4, 5/2

Step-by-step explanation:

e-lub [12.9K]2 years ago
5 0

Answer:

C.

Step-by-step explanation:

I did the quadratic formula, so 2 is A, 3 is B, and -20 is C. I got -4 and 5/2 as my answers...

(hope this helps :P)

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Step-by-step explanation:

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Silver beads = 75
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3. (x,y) → (x + 2,y) → (x, y)
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2 years ago
Solve the following system: y = x 3 4x y = 18 (6, 3) (3, 6) (â’3, 6) (3, â’6).
Nastasia [14]

The solution of the given equation is (3,6). The correct option is B.(3,6)

<h3>Given equations,</h3>

y=x+3.......(1)\\4x+y=18.....(2)

<h3>How to solve the equations?</h3>

putting the value of y from equation (1) in equation (2) , we get

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4 0
2 years ago
Match the best measure to each situation. 1. The weights of wrestlers on the team varies by 74 lbs. mode 2. The most popular M&a
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Answer:

Situation                                                                                    Best measure  

1. The weights of wrestlers on the team varies by 74 lbs.     range


2. The most popular M&M's color is green.                           mode


3. The mean price for an mp3 download is $1.96.                 mean


4. Half of the students in 3rd hour PE are 15 or older.           median


Step-by-step explanation:

1. The weights of wrestlers on the team varies by 74 lbs. This is the range, the difference between the maximum and the minimum value.

2. The most popular M&M's color is green. This is the mode, the value more repeated.

3. The mean price for an mp3 download is $1.96. This is the mean.

4. Half of the students in 3rd hour PE are 15 or older. This is the median, the value in the half of the values


3 0
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