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3 years ago

15 less than 2 times a number is represented by the algebraic expression of 2h - 15. True or false

Mathematics

1 answer:

Advocard [28]3 years ago

8 0

False here are extra words tho make 20 words

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C. a 180° rotation about its center.

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Work Out (10-3x2) to the power of two

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3 years ago

If the sum of five consecutive even integers is t, then, in terms of t, what is the greatest integer?

Andre45 [30]

Let x be first integer the we have the sum:-

x + x +2 + x+4 + x+6 + x + 8 = t

5x + 20 = t

5x = t - 20
and x = (t - 20) / 5

so the greatest integer x + 8 = (t - 20) / 5 + 8 = (t - 20)/5 + 40/5

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3 years ago

Write the equation of the line that passes through the point (-5,5) and has a slope of -8/5

Free_Kalibri [48]

Answer:

The equation of the line that passes through the point (-5,5) and has a slope of -8/5 will be:

$y=-\frac{8}{5}x-3$

Step-by-step explanation:

Given

$\left(x_1,\:y_1\right)=\left(-5,5\right)$

$m=\frac{-8}{5}$

Point-Slope Form equation is

$\left(y-y_1\right)=m\left(x-x_1\right)$

$\left(y-5\right)=\frac{-8}{5}\left(x-\left(-5\right)\right)$

$\mathrm{Apply\:rule}\:-\left(-a\right)=a$

$y-5=\frac{-8}{5}\left(x+5\right)$

$\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}$

$y-5=-\frac{8}{5}\left(x+5\right)$

$y-5+5=-\frac{8}{5}\left(x+5\right)+5$

$y=-\frac{8}{5}x-3$

Therefore, the equation of the line that passes through the point (-5,5) and has a slope of -8/5 will be:

$y=-\frac{8}{5}x-3$

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3 years ago