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yawa3891 [41]
4 years ago
7

Is the ordered pair (–8, –7) a solution to the equation 3x + 10 = 2y? Show your work.

Mathematics
1 answer:
Elena L [17]4 years ago
4 0

Answer:

yes

Step-by-step explanation:

Substitute x = - 8 and y = - 7 into the equation

If both sides are equal then (- 8, - 7) is a solution

left side = 3x + 10 = 3(- 8) + 10 = - 24 + 10 = - 14

right side = 2y = 2(- 7) = - 14

Since both sides are equal then (- 8, - 7) is a solution to the equation

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An equilateral triangle has a perimeter of 60m and a height of 17.3m. what is its area?
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The area of any triangle is            (1/2) x (length of the base) x (height) .

In this problem, we know the triangle's height,
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           Area = (1/2) x (20m) x (17.3m) =  <em>173 m²</em>


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