I have my test on Friday and I want to make sure my answers are correct. Will so

Question

I have my test on Friday and I want to make sure my answers are correct. Will someone answer all the questions for me. But for some, like 3c and 4,5,6 I dont understand. Can someone please me?!!

MAPB 11 Exam #1 Study Guide Directions: Complete on a SEPARATE sheet of paper. You do not have to print out word problem. Just show your work and box answers when possible this sheet or copy down each DUE: FRDAY 9/15/17 1. Use math symbols to translate each phrase. a· b. The difference of five and two-thirds of a number. The sum of seven times a and b. 2. Evaluate each expression using the values provided. a, c2 + d2, for c -4and d = 1 b. (2x)2, for x-3 3. Simplify 4. Solve. .a.-92 b. c. a.2(x-5)-3x + b. 10 +5(x-5) 6-(20- 2x) 1 2 2 3 -4(5-3-2) 5. Simplify. 6. Solve forh a. 3x-4(x- h-s 7. Benjamin had 14 toy cars less than than Stuart. a. Let s represent the number of cars Stuart has. Write a formula for the number of cars Stuart and Benjamin have together, in terms of s. b. You find out that Benjamin and Stuart have 50 toy cars. How many cars does each child have? 8. Given the following. Write a formula with one variable that represents the sum of three consecutive integers. SUM- a. b. The sum of three consecutive integers is 45. What are the integers? 9. Simplify. Express your answers without 10.On your paper, draw a coordinate axis usinga negative exponents. straightedge and do the following, a. Graph the functionfx+5. b. On the same graph, draw a linear function fx) b. c. d. (2n)-3 with a negative slope & a positive y -intercept. 12. Find an equation for each line. Express your 11. Find the slopes of the given lines. a, 4-y=16 b, 3y + 2x = 9 answer in slope-intercept form a. With m -2 & containing the point (1,-4) b. with m =-2.3 & containing the point (0,-10). c. Perpendicular to 4y 3x-6 & containing the point (3,4). owning a WhatEverltls toy. By 2010, the fad had passed, and only 31 10. In 2005, there were 55 thousand people thousand people owned the toy Verbally interpret the slope. How many people does your ing the trend is a linear function, what is the slope of the line? a. Assum . Find a linear function NO) that expresses number of WhatB d. verltils ownersas a function of the time t since 2000. model predict owned the toy in 2015? Include units with your answer

Explanation / Answer

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3c) -4 (5 - 3.2)

= -4 ( 1.8)

= -7.2

Solution

4a) 2(x-5) = 3x + 2/5

2x - 10 = 3x + 2/5

x = -10 -2/5

x = -52/5

Solution

4b) 10 + 5 (x-5) = 6- (20 - 2x)

10 + 5x - 25 = 6 - 20 + 2x

3x = 1

x = 1/3

Solution

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