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3 years ago

Which expression can be used to find 20 percent of 927

Mathematics

2 answers:

Pani-rosa [81]3 years ago

8 0

Answer:

927/5

Step-by-step explanation:

100%/20=5 so just divide by 5

Gennadij [26K]3 years ago

7 0

Answer:

0.2×92=18.4

Step-by-step explanation:

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List all rational roots that are possible according to the rational zero theorem. x^3-5x^2-9x+45=0

Lina20 [59]

-3, 3, 5.

https://www.wolframalpha.com/input/?i=%28x%5E3%29-%285x%5E2%29-9x%2B45%3D0

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3 years ago

Write the equation of the line that passes through the points (2,−8) and (1,7). Put your answer in fully reduced point-slope for

ValentinkaMS [17]

Point-slope form of equation is: $y - 7 = -15(x-1)$

Step-by-step explanation:

Given points are:

(2,-8) and (1,7)

First of all we have to calculate the slope of the line

so,

$m=\frac{y_2-y_1}{x_2-x_1}\\= \frac{7-(-8)}{1-2}\\=\frac{7+8}{-1}\\=\frac{15}{-1}\\= -15$

Point-slope form is given by:

$y-y_1 = m(x-x_1)$

Putting the value of slope

$y-y_1 = -15(x-x_1)$

We can put any one of two given points in the equation to find the final form of point-slope form

Putting (1,7) in the equation

$y - 7 = -15(x-1)$

Hence, point-slope form of equation is: $y - 7 = -15(x-1)$

Reducing and simplifying

$y - 7 = -15(x-1)\\y-7 = -15x+15\\y-7+7 =-15x+15-7\\y = -15x+8\\15x+y = 8$

Keywords: Point-slope form, equation of line

Learn more about equation of line at:

#LearnwithBrainly

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3 years ago

For a data set of weights (pounds) and highway fuel consumption amounts (mpg) of eleven types of automobile, the linear corre

Zina [86]

Answer:

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Step-by-step explanation:

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3 years ago

Your 6 1/4 year investment of $40,000 at 14% compounded quarterly is worth how much now?

KengaRu [80]

The formula to be used here is:

F = P(1+i)ⁿ
where
P = 40000
n = 6 1/4 years

Let's find i first which has to be converted to compounded annually.

i = (1 + r/m)^m - 1
where m = 4 because there are 4 quarters in 1 yr; and r is the given 0.14.
i = (1 + 0.14/4)⁴ - 1 = 0.1475

Thus,
F = (40000)(1+0.1475)^(6 1/4)
<em>F = $94,517.96</em>

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3 years ago

What is the simplified form of x minus 3 over x squared plus x minus 12 ⋅ x plus 4 over x squared plus 8x plus 16 ?

elena-s [515]

Your answer is in the attached picture.

Hope this helps,
♥Nikki♥

7 0

3 years ago