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3 years ago

Solve 5x = 2 writing your answer as a fraction in its simplest form

Mathematics

1 answer:

sveticcg [70]3 years ago

5 0

Answer:

x = 2/5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

5x = 2

Step 2: Solve for x

Divide 5 on both sides: x = 2/5

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x: 5(2/5) = 2
Multiply: 2 = 2

Here we see that 2 does indeed equal 2.

∴ x = 2/5 is the solution to the equation.

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If 1 euro is priced at $1.25 and if 1 euro will also buy 88 Japanese yen (€1 = ¥88), in equilibrium, with no arbitrage opportuni

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Answer:

So the exchange rate is that each dollar is worth 70.4 yens.

Step-by-step explanation:

We have that:

1 euro is priced at $1.25

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This also means that:

$1.25 is priced at 88 Japanese yen

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This can be solved by a simple rule of three.

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So the exchange rate is that each dollar is worth 70.4 yens.

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A line passes through the point (-8, 7) and has a slope of negative 3/4Write an equation in slope-intercept form for this line.

Arlecino [84]

Answer:

$y=-\frac{3}{4}x+1$

Step-by-step explanation:

We do not have enough information for slope intercept form. But we can use the point-slope formula to find the information. The formula is $y -y_{1} =m(x -x_{1})$ where we substitute a point (x,y) for $(x_{1},y_{1})$ .

We have m=-3/4 and (-8, 7). We input m and $x_{1} =-8\\y_{1}=7$ .

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We now simplify the parenthesis and solve for y.

$y-7=-\frac{3}{4} (x+8)\\y-7=-\frac{3}{4}x+-\frac{3}{4} (8)$

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