Mathematics, 26.10.2020 17:20 fmyear12
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The table below shows the world birth rates y (number of births per 1000 people) x years since 1960.
x 0 10 20 30 40 50
y 35.4 33.6 28.3 27.0 22.4 20.0
Write an equation that models the birthrate as a function of the number of years since 1960. round decimals to the hundredths place y=
Identify the correlation coefficient. round to the thousandths place r=
Predict the birth rate in 2060. (100 years since 1960):
Answers: 2
Mathematics, 21.06.2019 14:30
The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.
Answers: 1
Mathematics, 21.06.2019 16:00
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 17:00
What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units
Answers: 1
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The table below shows the world birth rates y (number of births per 1000 pe...
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