How do you solve multi step equations (ik how to do) but with the variables and doing distributive property? I know to start you
1 answer:
Answer:
Let's say we have this equation, for example⤵⤵⤵:
You obviously know that first you must distribute -6 amongst everything inside the parenthesis, and that will give you -6x - 60. Then you'd rewrite the equation with this in mind, to get
12 - 6x - 60 = 60
Next, you need to combine the like terms, in this case 12 and -60, to get -48. Now you have
-6x - 48 = 60
Afterwards, you'd do the opposite of -48 and add it on both sides of the equal sign. Now you'll have -6x = 108
Finally, you'd divide -6 on both sides, in order to get x by itself, to get x = -18
Hopefully, this example/explanation helps you understand the concept better :)
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Answer:
<em>It will take 9 years for the population to double</em>
Step-by-step explanation:
<u>Exponential Growth </u>
The natural growth of some magnitudes can be modeled by the equation:
Where P is the actual amount of the magnitude, Po is its initial amount, r is the growth rate and t is the time.
The population of a city grows at a rate of r=8% = 0.08 per year. We are required to find when (t) the population will double, or P=2Po.
Substituting in the equation:
Simplifying:
Taking logarithms:
Applying the exponent property of logs:
Solving for t:
Calculating:
It will take 9 years for the population to double
So first you need to turn the percent into a decimal. So 23% would be 0.23 because you divide 23 by 100 to turn it into a decimal. Now you multiply 0.32 and 256. So:
So your answer would be 23% of 256 is 58.88. I hope this helps! =)
So your answer would be 23% of 256 is 58.88. I hope this helps! =)