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yan [13]
3 years ago
10

Elements discovered by marie curie​

Mathematics
1 answer:
goblinko [34]3 years ago
8 0

Answer:

in 1898 the Curies discovered two new radioactive elements: radium (named after the Latin word for ray) and polonium (named after Marie's home country, Poland).

Step-by-step explanation:

Radium

Polonium

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Either 8 or one

Step-by-step explanation:

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F(x) = 4-x2 and g=(x)=2x+5 what is the value of (f(g(-2))
alukav5142 [94]

Answer:

f(g(-2)) = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

Functions

  • Function Notation
  • Composite Functions

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

f(x) = 4 - x²

g(x) = 2x + 5

<u>Step 2: Find g(-2)</u>

  1. Substitute in <em>x</em> [Function g(x)]:                                                                         g(-2) = 2(-2) + 5
  2. Multiply:                                                                                                             g(-2) = -4 + 5
  3. Add:                                                                                                                   g(-2) = 1

<u>Step 3: Find f(g(-2))</u>

  1. Substitute in <em>x</em> [Function f(x)]:                                                                           f(g(-2)) = 4 - (1)²
  2. Evaluate exponents:                                                                                        f(g(-2)) = 4 - 1
  3. Subtract:                                                                                                            f(g(-2)) = 3
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Jillana begins to solve a linear equation that results in a variable expression set equal to the same variable expression. Which
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Step-by-step explanation:

So we have a linear equation and we end with a relation of the way:

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