3 years ago

Yis inversely proportional to X. When X = 3, Y = 8 Work out the value of Y when X = 8.

Mathematics

1 answer:

MA_775_DIABLO [31]3 years ago

8 0

Answer:

Y = 3

Hope This Helps!

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What is the value if the expression 6+18÷3×4

Liula [17]

In the order of PEMDAS
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then multiply 6 x 4 = 24
then add 24 + 6 = 30

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STALIN [3.7K]

Answer:

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Step-by-step explanation:

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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: $x=\frac{-0\pm\sqrt{0-4(1)(20)} }{2(1)}$
Multiply: $x=\frac{-0\pm\sqrt{0-80} }{2}$
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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2 years ago

Slope or 2,87 & 5,35

aleksklad [387]

What are you asking in the question?

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3 years ago

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Mariana [72]

He can make 18 and then he wouldn't have enough to make that 19th. You just take 28 and multiply it by 2, then divide it by 3. Or just multiply 28 by 2/3

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