Mathematics, 25.11.2019 17:31 sarah8479
1. (06.02 mc) part a: write an algebraic expression for 4 more than 3 times a number. (5 points) part b: write a verbal expression for 2(n + 9). (5 points) submit in image form)2. (06.03 mc) use the expression 5(6 + 4x) to answer the following: part a: describe the two factors in this expression. (4 points) part b: how many terms are in each factor of this expression? (4 points) part c: what is the coefficient of the variable term? (2 points)(submit in image form) 3. (06.04 mc) the surface area of a cone with radius r units and slant height s units is shown below: surface area = 3.14(rs + r2) part a: if r = 2 units and s = 3 units, write an expression that can be used to calculate the surface area of the cone.(submit in image form) (4 points) part b: what is the surface area of the cone? show your work. (6 points) 4. (06.07 hc) an expression is shown below: 6(m + 2 + 7m) part a: write two expressions that are equivalent to the given expression. (3 points) part b: show that one of your expressions in part a is equivalent to the given expression using algebraic properties. explain which properties you used. (4 points) part c: show that your other expression from part a is equivalent to the given expression by substituting a number for m. (3 points)
Answers: 1
Mathematics, 21.06.2019 15:30, juli8350
The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease
Answers: 3
Mathematics, 22.06.2019 00:20, lucypackham9
Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano
Answers: 3
1. (06.02 mc) part a: write an algebraic expression for 4 more than 3 times a number. (5 points) pa...
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