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2 answers:
Answer:
The answers are as follows:
After reading and comparing the values, we get the following answer.
Number of students with blue eyes blond hair are 42.
Difference of the number of students with gray eyes and brown hair and number of students with green eyes and black hair is
Number of students with gray eyes brown hair are 5.
Difference of the number of students with green eyes and blond hair and the number of students with gray hair is because only gray hair marginal total is 35.
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Answer:
Step-by-step explanation:
We can write the equation of a line in 3 different forms including slope intercept, point-slope, and standard depending on the information we have. We have two standard form equations which we will get a slope and a y-intercept from. We will convert each to slope intercept form to get the information. We will then write a new slope-intercept equation and convert to standard form.
3x-5y=7 has the same slope as the line. Let's convert.
The slope is .
2y-9x=8 has the same y-intercept as the line. Let's convert.
The y-intercept is 4.
We take and b=4 and substitute into y=mx+b.
We now convert to standard form.
For standard form we need the coefficients of x and y to be not zero or fractions. We need integers but the coefficient of x cannot be negative. So we multiply the entire equation by -5 to clear the denominators.