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2 years ago

3,6PS-8

1 answer:

4 0

I = PRT where I= interest, P = principal (money invested), R = interest rate, T = time in years

1260 = (6000)(R)(3)
1260 = 18000R
R = 0.07, or 7%

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Point X is located at (3,2) Point Y is located at (3,-8 what is the dictence from point X to point Y?

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Step-by-step explanation:

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2 years ago

Is the ordered pair a solution of the equation? <br> y= 3x + 4; (4, 16)

Furkat [3]

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3 years ago

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CaHeK987 [17]

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2 years ago

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3 years ago

4 - 5/2 * (1/10x) = 1 what is the value of x

Inga [223]

$4 - 5 / 2 * (1/10x) = 1\\$

The first step is to identify the order in which the equation must be solved, by following PEMDAS (you might know it as BEDMAS):

Parenthesis (or Brackets)

Exponents

Multiplication and Division

Addition and Subtraction

My advice would be to add parenthesis, following these rules, if you are not very good at finding them immediately by sight.

So:

$4 - 5 / 2 * (\frac{1}{10x}) = 1\\\\4 - [(5/2)*(\frac{1}{10x})]=1\\\\4-(2.5*\frac{1}{10x})=1\\\\4-\frac{2.5}{10x}-1=0\\3-\frac{x}{4}=0\\\frac{x}{4}=3\\x=3*4\\x=12$

We check our answer:

$x=12\\4 - [(5 / 2) * (1/10)*(x)] = 1\\4 - [(5 / 2) * (\frac{1}{10}) * (12))] = 1\\4 - [2.5 * (\frac{1}{10})*12] = 1\\4 - [(\frac{2.5}{10})*12] = 1\\4 - [(\frac{1}{4})*12] = 1\\4 - 3 = 1\\1=1$

We are right!

So, $x=12$ .

6 0

3 years ago