What is -65 x -2? 5j + 10j?
1 answer:
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<span>You can use Heron's formula to solve this problem.
</span>
, where A is the area; a,b,с are the sides; s<span> is the </span>semiperimeter<span> of the triangle
</span>
<span>According to conditions:
</span>a = x
b = x+1
с = 2x-1
<span>Calculate the semiperimeter:
</span>
<span>Now we can compose and solve the equation according to Heron's formula:
</span>
<span>As a result, x = 6 is your answer.
I hope this helped.</span>
</span>
</span>
<span>According to conditions:
</span>a = x
b = x+1
с = 2x-1
<span>Calculate the semiperimeter:
</span>
<span>Now we can compose and solve the equation according to Heron's formula:
</span>
<span>As a result, x = 6 is your answer.
I hope this helped.</span>
Answer:
n = 3
Step-by-step explanation:
Given
5 + 8n = 7(- 7 + 4n) - 6 ← distribute parenthesis on right side
5 + 8n = - 49 + 28n - 6 ( subtract 28n from both sides )
5 - 20n = - 55 ( subtract 5 from both sides )
- 20n = - 60 ( divide both sides by - 20 )
n = = 3