Well, the first step would be to multiply everything out. 1*2=2, g1*i=i, g2i*2=4i, and 2i*i=2i^2. This would bring the equation to 2+i+4i+2i^2=5(2+i)
Next, multiply the other side. 5*2=10, and 5*i=5i. The equation is now:
2+i+4i+2i^2=10+5i
Now, combine like terms, and arrange the sides from highest exponents to lowest exponents: i+4i=5i. You can arrange the equation to 2i^2+5i+2=5i+10.
Subtract 2 from both sides: 2i^2+5i=5i+8
Subtract 5i from both sides: 2i^2=8
Divide both sides by 2: i^2=4.
Finally, find the square root of 4 to get i. The square root of 4 is 2, so i=2.
If your information is for a percentage out of every 85, you need the total number divided by the 85:
391 students / out of 85
= 391 / 85
= 4.6
But in every 85, (of which there are 4.6), 10 of them are left handed (not 4.6 of them)
So multiply the 4.6 by the ten left handed students:
4.6 x 10
= 46
Therefore there are 46 left handed students in Tom's school
Answer:
0.03
Step-by-step explanation:
Answer:
$12 per Pizza
Step-by-step explanation:
216 divided by 18=12
Answer:
x = -6
Step-by-step explanation:
r(x) = -2
x/3 = -2
x = -2 * 3 = -6
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-Chetan K
