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3 years ago

Find the sum of (x + 5) and (2x + 3)

Mathematics

2 answers:

weeeeeb [17]3 years ago

8 0

Answer:

3x+8

Step-by-step explanation:

Arte-miy333 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

$\left(x+5\right)+\left(2x+3\right)\\\\\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\=x+5+2x+3\\\\\mathrm{Group\:like\:terms}\\=x+2x+5+3\\\\\mathrm{Add\:similar\:elements:}\:x+2x=3x\\=3x+5+3\\\\=3x+8$

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3 years ago

write an equation for the line that passes through the given point and has the given slope m (4,-5);m= -1/4

EastWind [94]

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Answer: $\textsf{y = -1/4x - 4}$

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Given: $\textsf{Slope = -1/4, Point through = (4, -5)}$

Find: $\textsf{Equation for the line that passes through the given point}$

Solution: In order to get the equation, we need to first use the point-slope form to help us sort out our information and then we solve for y.

<u>Plug in the values</u>

$\textsf{y - y}_1\textsf{ = m(x - x}_1\textsf{)}$

$\textsf{y - (-5) = -1/4(x - 4)}$

<u>Simplify and solve for y</u>

$\textsf{y + 5 = -1/4(x - 4)}$

$\textsf{y + 5 = -1/4x + 1}$

$\textsf{y + 5 - 5 = -1/4x + 1 - 5}$

$\textsf{y = -1/4x - 4}$

Therefore, the final answer would be that the equation that has a slope of -1/4 and passes through (4, -5) is y = -1/4x - 4.

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2 years ago