Answer:
ans-a 25x - 10
Step-by-step explanation:
7x+9x+9x = 25x
-3-3-4 = -10
so, 25x-10.
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The nth term is 2n +1 and the 43rd term is 87
Answer:
yes
Step-by-step explanation:
25% of 200= 50
12% of 200= 24
8% of 200= 16
p% of 200 = ?
Answer:
Step-by-step explanation:
<em>Look at the picture.</em>
We have the triangles 45° - 45° - 90°. The sides are in ratio 1 : 1 : √2
(<em>look at the second picture</em>).
Therefore we have the equations:
and
Solve:
<em>multiply both sides by √2</em>
<em>divide both sides by 2</em>
<em>multiply both sides by √2</em>
<em>divide both sides by 2</em>
The side length of square is
The area of a square: