3 years ago

What is the equation of this line in slope-intercept form?

Mathematics

1 answer:

galben [10]3 years ago

8 0

Answer:

B) y=-2x+5

Step-by-step explanation:

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Answer:

AB=12

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When expressed in scientific notion the number 1,230,000,000 is 1.23 x 10B. The value of B is.

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I hope this helps you

123×1000000000

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An equilateral triangle has a perimeter of 48 cm. What is the area?

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Answer:

$A=64\sqrt{3}\ cm^2$

Step-by-step explanation:

we know that

An <u><em>equilateral triangle</em></u> has three equal sides and three equal interior angles (each interior angle measure 60 degrees)

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$P=3b$

where

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we have

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substitute

$48=3b$

solve for b

$b=48/3\\b=16\ cm$

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The formula of area applying the law of sines is equal to

$A=\frac{1}{2}b^2sin(60^o)$

substitute the value of b

$A=\frac{1}{2}(16)^2sin(60^o)$

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$A=\frac{1}{2}(16)^2(\frac{\sqrt{3}}{2})$

$A=64\sqrt{3}\ cm^2$

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