Answer:
answer is 11/16 plz give me brainlist
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1.
These two numbers are: -5 and -5
-5 + (-5) = -10
-5 * -5 = 25
so...
(x - 5)(x - 5)
To find the roots set the factored numbers equal to zero and solve for x:
x - 5 = 0
x = 5
2.
This equation needs to be equal to zero, so bring -14 to the other side by adding 14 to both sides
Find two numbers that the sum is equal to 9 AND the multiplication of the numbers is 14
These numbers are 7 and 2
7 + 2 = 9
7*2 = 14
so...
(x + 2) (x + 7)
To find the roots set the each of the factored numbers equal to zero and solve for x:
x + 2 = 0
x = -2
x + 7 = 0
x = -7
3.
This equation needs to be equal to zero, so bring 6x to the other side by subtracting 6x to both sides
In this equation you can factor out a 3 and an x:
3x (x - 2)
To find the roots set the each of the factored numbers equal to zero and solve for x:
3x = 0
3x/3 = 0/3
x = 0
x - 2 = 0
x = 2
Hope this helped!
Answer:
General Formulas and Concepts:
<u>Pre-Algebra</u>
- Order of Operations: BPEMDAS
<u>Algebra I</u>
- Standard Form: ax² + bx + c = 0
- Quadratic Formula:
Step-by-step explanation:
<u>Step 1: Define equation</u>
-3x = 2x² - 4
<u>Step 2: Rewrite into Standard Form</u>
0 = 2x² + 3x - 4
<u>Step 3: Define variables</u>
a = 2
b = 3
c = -4
<u>Step 4: Find </u><em><u>x</u></em>
- Substitute:
- Evaluate:
- Multiply:
- Add:
- Evaluate:
- Evaluate:
And we have our final answer!
Answer:
15,392 pencils.
Step-by-step explanation:
If a factory can make 3,848 pencils in an hour, then the factory can make 15,392 pencils in 4 hours.
Simply multiply 3,848 by 4.
Therefore, the factory can make 15,392 pencils in 4 hours.