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mixas84 [53]
3 years ago
9

The area of a triangle is represented by the expression (x2+92x+2) square units. If the length of the base is represented by the

expression (x+4) units, which expression represents the height of the triangle?
Mathematics
1 answer:
Lena [83]3 years ago
4 0

A_{\triangle} = \frac{1}{2}\cdot b \cdot h => h = \frac{2A_{\triangle}}{b} = \frac{2(x^2+92x+2)}{x+4} = 2x + 176 - \frac{700}{x+4}

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Answer:

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Explanation

Given the steps taken by bryce as shown, we are to find where he made an error

\qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&=3c+\dfrac53&\green{\text{Step } 1}\\\\ \\ 1&=3c&\blue{\text{Step } 2}\\\\ \\ \dfrac13&=c&\purple{\text{Step } 3}\\\\ \end{aligned}

Given the expression;

\dfrac83&=3\left(c+\dfrac53\right)\\\\ \\

Step 1:Expand the bracket using the distributive law;

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<em>Simplify</em>

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Step 2: Subtract 15/3 from both sides

8/3 - 15/3 = 3c+15/3-15/3

(8-15)/3 = 3c

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Step 3: Multiply both sides by 1/3

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Swap

c = -7/9

From the calculation, we can see that Bryce is wrong in step 1 because he did not distribute 3 over 5/3 thereby making his solution incorrect

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Step-by-step explanation:

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Answer:

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mixas84 [53]
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