Mathematics, 23.01.2021 06:50 mustafakhalil02
A farmer wants to estimate the average growth in height of his corn plants over a two-week period. Of his 5,000 plants, 1,500 are on plots where he grew corn last year, 3,000 are on plots where he grew soybeans last year, and 500 are plots where nothing but grass grew last year. The farmer wants to use a stratified sample of 200 plants based on what grew on the plots the year before. How many plants from plots where he grew corn last year should be included in his sample? Enter a whole number.
Answers: 2
Mathematics, 21.06.2019 19:30
What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4
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Mathematics, 21.06.2019 22:00
Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function
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Mathematics, 21.06.2019 23:00
Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.
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A farmer wants to estimate the average growth in height of his corn plants over a two-week period. O...
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