A city's population was 28,600 people in the year 2015 and is growing by 950 people a year. (a) give a formula for the city's po
2 answers:
Answer:
The required formula is:
Step-by-step explanation:
Consider the provided information.
A city's population was 28,600 people in the year 2015 and is growing by 950 people a year.
Let t is the number of years since 2015, and the population of city is denoted by p,
Each yr population is growing by 950.
That means for t yr since 2015 population will grow 950t
In 2015 the population was 28,600
Thus, the required formula is:
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Since the divisor is 2 digits, start by looking at the first 2 digits of the dividend. Those are 44, so you're dividing 44 by 15 at the first step. The quotient digit is the largest integer that gives a value less than or equal to the dividend (44) when multiplied by the divisor (15). For the first step, that digit is 2.
To find the new divisor, subtract the product of the divisor and the quotient digit (2·15=30) and bring down the next digit of the original dividend. Now, you have a dividend of 147 and a divisor of 15. Repeat the process as above.
The decimal point location in the answer can be found a number of ways. The simpliest is to put it above the decimal point in the dividend. (When the divisor is not an integer, multiply or divide both divisor and dividend by the same power of 10 until it is.)
