Convert 342to base 10 and base 5
2 answers:
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The length of the bridge is the distance from the beginning to the end.
<em>The distance b between each beam is 9ft.</em>
Let:
<em /><em> I-Beam</em>
<em /><em> distance between I beam and the bridge</em>
<em /><em> distance between each I beam</em>
<em />
Given that:
<em /><em> --- length of the bridge</em>
<em />
From the diagram (see attachment), there are: 6 I-beams.
So, the length of the 6 I-beams is:
There are 2 I-beams beside the bridge
So, the distance between the 2 I-beams and the bridge is:
There are 5 spaces between the I-beams
So, the length of the total spaces is:
The total length is:
So, we have:
Collect like terms
Convert inches to feet
Divide both sides by 5
<em>Hence, the distance (b) between each beam is 9ft.</em>
Read more about lengths at:
Answer:
216 + 9i
Step-by-step explanation:
Given: f(x) = 3x² + 3 + 3x
When x = -9, f(x) equals to;
3(-9)² + 3(-9 + 3(-9)
243 + 3(3i) - 27
243 + 9i - 27
216 + 9i