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2 years ago

How do you write 0.4 as a fraction?

Mathematics

2 answers:

kari74 [83]2 years ago

7 0

Answer:

Step-by-Step Solution

0.4 = 2/5 as a fraction

To convert the decimal 0.4 to a fraction, just follow these steps:

Step 1: Write down the number as a fraction of one:

0.4 = 0.41

Step 2: Multiply both top and bottom by 10 for every number after the decimal point:

As we have 1 numbers after the decimal point, we multiply both numerator and denominator by 10. So,

0.41 = (0.4 × 10)(1 × 10) = 410.

Step 3: Simplify (or reduce) the above fraction by dividing both numerator and denominator by the GCD (Greatest Common Divisor) between them. In this case, GCD(4,10) = 2. So,

(4÷2)(10÷2) = 2/5 when reduced to the simplest form.

Ivenika [448]2 years ago

3 0

Answer:

Step-by-step explanation:

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3 years ago

Samantha has 412 gallons of lemonade for her daughter’s birthday party. Each gallon of lemonade contains 1.5 grams of fat. How m

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3 years ago

Write an equation of a line in slope intercept form (y = mx + b) going through the points

Alexeev081 [22]

Answer:

y = - $\frac{1}{2}$ x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + b ( m is the slope and b the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, 0) and (x₂, y₂ ) = (4, - 3)

m = $\frac{-3-0}{4+2}$ = $\frac{-3}{6}$ = - $\frac{1}{2}$ , thus

y = - $\frac{1}{2}$ x + b ← is the partial equation

To find b substitute either of the 2 points into the partial equation

Using (- 2, 0 ), then

0 = 1 + b ⇒ b = 0 - 1 = - 1

y = - $\frac{1}{2}$ x - 1 ← in slope- intercept form

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4 years ago