a local hamburger shop sold 577 hamburgers and cheeseburgers
on Tuesday. they sold 73 fewer cheeseburgers than hamburgers.how many hamburgers did they sell?

9.)a=1/2h(a+b) h is the height of a trapezoid, and a and b are the lengths of the upper and lower base.solve for a

10.)The length of a rectangle is 2 inch longer than its width. if the perimeter of the rectangle is 40 inch find its area.

11)solve for x.

triangle with degrees of : x degree,89 degree and 149 degree, what is x degree.

12.)9= -3/8t

Solution Preview

Here are the solutions.

checking home work 12 problems
1.) t + 4=-9
or t + 4 - 4 = - 9 -4 (subtracting 4 from either side)
or t = - 13

2.) 98=7z
Or (dividing by 7 on either side)
Or 14 = z
Or z = 14

3.) 37 = y/5 + 14
Or 37*5 = (y/5)*5 + 14*5 (multiplying by 5 on either side)
Or 185 = y + 14*5
Or 185 - 70 = y +70 - 70 (subtracting 70 from either side)
Or y = 115

4.) 2/7x-4/3=-3/2

Or
(LCM of the denominators7, 3 and 2 is 42 hence multiplying each term by 42)
Or
Or 12x = - 63 + 56
Or 12 x = -7
Or

5.) 8(x -8) - 5x = - 37
Or 8x - 8*8 - 5x = - 37
Or 8x - 64 - 5x = - 37
Or 8x - 5x = - 37 + 64
Or 3x = ...

Solution Summary

Some problems on simple equations in one variable.

... your processing tool to process 3 simple regression analyses ... in the AIU data set as the dependent variable. ... the least squares regression line equations for each ...

...Simple linear regression describes how the dependent variable is related to the independent variable. Regression derives an equation for a line like ...

... add linear trendlines, finding both the equation and R2 ... Use the regression tools to find simple linear regression models for each independent variable for the ...

... the estimated value of Y (dependent variable) is equal ... by substituting X =0 in the regression equation. ... the variation explained by the simple linear regression ...

... Using MINITAB perform a simple regression analysis on the ... 1. Determine the equation of the "best fit" line ...Variables must be created for the variable Location. ...

... formula and presents all mathematical computation Answer The general form of simple linear regression is Y= a + bX Where Y is the dependent variable and X is ...

Simple and Multiple Linear Regression. ... of the relationships between the dependent variable and each explanatory variable. ... Determine regression equation. ...

... processing tool, work through three simple regression analyses ... with values for the regression equation, slope, y ... in the AIU data set as the dependent variable. ...

... Two simple regression analysis problems and one multiple ... The regression equations obtained are used for predicting the value of the dependent variable for the ...

... can be explained by the regression equation Standard error ... gives detailed steps on performing simple regression and ... Y variable cell range X variable cell range ...