3 years ago

And please help solve 16

Mathematics

1 answer:

olganol [36]3 years ago

7 0

Answer:

There is a pattern in the x column; add 2.

I the y column; add 4

Make an equation representing it

Step-by-step explanation:

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Rudiy27

2.3+3.1+1= 6.4

25÷6.4= 3.90625

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3 years ago

What is the solution of the equation when solved using the quadratic formula?<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B

Artemon [7]

Answer:

$x=\pm2i\sqrt{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Standard Form: ax² + bx + c = 0
Quadratic Formula: $x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Algebra II

Imaginary Numbers: √-1 = i

Step-by-step explanation:

Step 1: Define Equation

x² + 20 = 0

Step 2: Identify Variables

a = 1

b = 0

c = 20

Step 3: Find roots x

Substitute: $x=\frac{-0\pm\sqrt{0^2-4(1)(20)} }{2(1)}$
Exponents: $x=\frac{-0\pm\sqrt{0-4(1)(20)} }{2(1)}$
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Subtract: $x=\frac{\pm\sqrt{-80} }{2}$
Factor: $x=\frac{\pm\sqrt{-1} \sqrt{80} }{2}$
Simplify: $x=\frac{\pm4i\sqrt{5} }{2}$
Divide: $x=\pm2i\sqrt{5}$

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3 years ago

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Answer:

Step-by-step explanation:

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Check the picture below

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3 years ago

16/4 + 56 – (3 + 4 - 1) = explain

Nezavi [6.7K]

4 + 56 -3 - 4 +1 (the "-" change all signs)

Total--> 54
Srry for explain to bad, im Spanish

6 0

3 years ago

Read 2 more answers