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Tresset [83]
3 years ago
14

13. Solve for s. 2(s + 7) = 12

Mathematics
2 answers:
Tatiana [17]3 years ago
4 0
2s+14=12
2s=-14+12
2s=-2
s=-2÷2
s=-1
Tanya [424]3 years ago
4 0
The answer would be 1
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Answer:

0.0423333333 meters

Step-by-step explanation:

When you convert, you will receive the same result.

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Jack thinks the ordered pairs below could be solutions to a linear equation,but Sally disagrees. Who is correct? Justify your an
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If f(x)=3x−2 and g(x)=x2−5, what is g(f(2))?
Vikki [24]

Answer:

g(f(2)) = 11

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>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x - 2

g(x) = x² - 5

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

f(2)

  1. Substitute in <em>x</em>:                    f(2) = 3(2) - 2
  2. Multiply:                               f(2) = 6 - 2
  3. Subtract:                              f(2) = 4

g(f(2))

  1. Substitute in <em>x</em>:                    g(4) = 4² - 5
  2. Exponents:                          g(4) = 16 - 5
  3. Subtract:                              g(4) = 11
8 0
3 years ago
Santos walks 2 kilometers south and then a certain number of kilometers east. He ends 5 kilometers away from his starting positi
IgorLugansk [536]

Answer:

\sqrt{21}\ km or  4.58\ km  

Step-by-step explanation:

we know that

Applying Pythagoras' Theorem, calculate how many kilometers eastward Santos walked

so

Let

x----> quantity of kilometers eastward that Santos walked

x^{2}=5^{2}-2^{2}

x^{2}=21

x=\sqrt{21}\ km ----> exact value

\sqrt{21}=4.58\ km  -----> approximate value

6 0
3 years ago
Read 2 more answers
For a wall of a given material and of a fixed surface area, the rate of heat loss by conduction through the wall is inversely pr
asambeis [7]
The answer is        A .2d/T
Since d is directly proportional to the heat lost it should be the numerator
since T is inversely proportional to the heat lost it shoudl be the denormirator
 that is      1/T ;         2 is the constant
the actual formula is        R = kd/T
6 0
2 years ago
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