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just olya [345]
3 years ago
10

Evaluate the expression 12.6 (2-3) + 2^6 divided by 4

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

\bf 12.6(2-3)+2^6 \div 4\implies \stackrel{\mathbb{P~E~M~D~A~S}}{12.6(\stackrel{\stackrel{2-3}{\downarrow }}{-1})}+2^6\div 4\implies 12.6(-1)+\stackrel{\stackrel{2^6}{\downarrow }}{64}\div 4 \\\\\\ \stackrel{\stackrel{12.6(-1)}{\downarrow }}{-12.6}+64\div 4\implies -12.6+\stackrel{\stackrel{64\div 4}{\downarrow }}{16}\implies \stackrel{\stackrel{-12.6+16}{\downarrow }}{3.4}

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The sum of (3 - 5i) + (-2 + 8i) is
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<em><u>Answer is below</u></em>

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Step-by-step explanation:

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3 years ago
What is the slope of the line passing through the points (−3, −5) and (−1, −6)?
Virty [35]

Answer:

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Step-by-step explanation:

Equation of a straight line:

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

(x1, x2) and (y1, y2) : (−3, −5) and (−1, −6)

Calculating Slope (m).

m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}

m = \frac{ (-6) - (-5) }{ (-1) - (-3) }

m = \frac{ -6 + 5 }{ -1 + 3 }

m = -\frac{ 1 }{ 2 }

we can take this a step further by finding the equation:

Now putting value of m in equation (i)

y = -0.5x + b

Calculating Y-intercept (b).

Lets choose the first point, (-3,-5) for calculating y-intercept:

y = mx + b

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b = -6.5

Now putting value of b in equation

y = -0.5x + -6.5

8 0
2 years ago
Read 2 more answers
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