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3 years ago

Which procedure would you use to convert a fraction to a decimal? Convert 2/5 to a decimal.

Mathematics

2 answers:

Gennadij [26K]3 years ago

8 0

Answer:

0.4 would be decimal form

irakobra [83]3 years ago

3 0

Answer

0.4

Step-by-step explanation:

Division

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3 years ago

The slope-intercept form given (6,-5) & perpendicular to -5x - 7y = -17.

tatuchka [14]

Answer:

$y=\dfrac{7}{5}x-\dfrac{67}{5}$

Step-by-step explanation:

Slope-intercept form of a linear equation:

$y=mx+b$

where:

m is the slope.
b is the y-intercept.

Rearrange the given equation so that it is in slope-intercept form:

$\implies -5x-7y=-17$

$\implies -7y=5x-17$

$\implies y=-\dfrac{5}{7}x+\dfrac{17}{7}$

Therefore, the slope of the given equation is -⁵/₇.

If two lines are perpendicular to each other (at right angles), the product of their slopes will be -1. Therefore, their slopes will be negative reciprocals of each other.

Therefore, the slope of the line perpendicular to the given equation is:

$\sf m=\dfrac{7}{5}$

Substitute the found slope and the given point (6, -5) into the slope-intercept formula and solve for b:

$\implies -5=\dfrac{7}{5}(6)+b$

$\implies -5=\dfrac{42}{5}+b$

$\implies b=-\dfrac{67}{5}$

Substitute the found slope and the found value of b into the slope-intercept formula to create the equation for the perpendicular line:

$\implies y=\dfrac{7}{5}x-\dfrac{67}{5}$

Learn more about slope-intercept form here:

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2 years ago

A car repair will cost $100 for parts plus $50 per hour for labor. Enter the function y that represents the total cost in dollar

Andreas93 [3]

Answer: y = $50x + 100

$100 is the y-intercept
$50 is the slope

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3 years ago

Find the polynomial with real coefficients, smallest possible degree, leading coefficient 1, such that 2 and 3+i are zeroes of t

Bezzdna [24]

f(x) = x³ - 8x² + 22x - 20

given x = a, x = b are zeros of a polynomial then

(x - a) and (x - b) are factors and the polynomial is the product of the factors

f(x) = k(x - a)(x - b) → ( k is a multiplier )

note that complex zeros occur in conjugate pairs

3 + 1 is a zero then 3 - i is a zero

zeros are x = 2, x = 3 + i and x = 3 - i, thus

(x - 2 ),(x - (3 + i )) and (x - (3 - i )) are the factors

f(x) = (x - 2)(x - 3 - i )(x - 3 + i)

= (x - 2)(x² - 6x + 10)

= x³ - 8x² + 22x - 20

6 0

3 years ago

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dmitriy555 [2]

Answer:

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Step-by-step explanation:

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3 years ago

Which procedure would you use to convert a fraction to a​ decimal? Convert 2/5 to a decimal.

Which procedure would you use to convert a fraction to a decimal? Convert 2/5 to a decimal.