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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 479959: The product of my 3 digit is 30. When you add my 1 digit and my 10 digit together the sum is my 100th digit. And my 1 digit is 3. Click here to see answer by Alan3354(31518)

 Question 479922: A line passes through (1,-5) and (-3,7) write an equation for the line in point - slope form Click here to see answer by Alan3354(31518)

 Question 479974: I'm doing elmination and I don't get how to do this problem I tried an keep getting te wrong answer 9x+5y=2 and -11x+2y=-27 can you please explain how to do it step by step please thanks Click here to see answer by mananth(12270)
 Question 479974: I'm doing elmination and I don't get how to do this problem I tried an keep getting te wrong answer 9x+5y=2 and -11x+2y=-27 can you please explain how to do it step by step please thanks Click here to see answer by Maths68(1474)

 Question 479911: Find The slope of the lines that passes through the pair of points (1,7),(10,1) Click here to see answer by mananth(12270)

 Question 480158: I need help with solving a linear system of equation by the elmination method. Solve the system of equations using addition/subtraction with multiplication method. 9x+5y=2 -11x+2y=30 The answer they give is (-2,4) but I don't get how they got it. Can you please explain how to do it? Step by step? Please? Thanks Click here to see answer by Maths68(1474)

 Question 480194: I need help solving this. I need to find the product. (6r-3)(6r+7) Click here to see answer by Tatiana_Stebko(1326)

 Question 480217: I need to get this from slope-intercept form into standard form. y=3/4x-2/3? I think I know how but I'm not completely sure. I worked it out but doesn't seem right to me. Can you please show me how i can do this? Click here to see answer by stanbon(57962)

 Question 480241: A package weighs 2 1/4 pounds. What is the weight os the package in ounces? Click here to see answer by nerdybill(7003)

 Question 479892: The sum of a rational number (fraction) and its reciprocal is equal to some positive integer plus 69/110. What is the integer? choose the answer and explain the reason to choose your response 5 2 4 3 Click here to see answer by ankor@dixie-net.com(15746)

 Question 480272: Can you please tell me if i got these correct? Im doing a practice test to study for my real test. I would like to know if i got th questions correct or not. Convert the linear equations to standard or slope-intercept form. 1.) 2x-3y=7 i got y=2/3x-7/3 2.) y=4/3x-10 i got 4x-3y=30 3.) .5x+y=12 i got y=.5x+12 4.) y=1/2x-2/3 i got 3x-6y=4 Solve the linear systems of equations using the elmination or addition/multiplication method. 5.) 9a+2b=10 9a-2b=8 I got a=1 b=1/2 6.) 3x+3y=15 4x-y=10 I got x=3 y=2 7.) 8x-2y=12 7x+3y=15 I got x=162/19 y=66/38 Solve the systems of linear equations using the substitution method. 8.) y=2x+3 2x+3y=10 I got (1/8,13/4) 9.) 5x-y=8 x+y=10 I got (1/2, 19/2) 10.) 12x+2y=7 y=x+5 i got (-3/14, 67/14) 11.) x=y+2 4y=3x-5 I got (-7, -9) Solve the systems of linear equations using graphing method 12.) y=2x-13 y=-3x+7 I got (4, -5) 13.) 2x+y=10 x+3y=15 I got no solution, parallel lines 14.) 4x+2y=8 y= -2x+6 I got (3,2) Word problem: 15.) Jill makes a blend of choclates for the bake sale. The dark chocolate is \$6.00/ lb., and the milk chocolate is \$4.00/ ib. Write an inequality shoing how Jill sells more than \$25.00 for chocolate. I got 6x+4y>25 If you can please tell me which ones I got wrong I would really apperciate it I really need to pass thi test and see if I need to strudy some more. This would be a big help. Thanks Click here to see answer by Edwin McCravy(8999)
 Question 480272: Can you please tell me if i got these correct? Im doing a practice test to study for my real test. I would like to know if i got th questions correct or not. Convert the linear equations to standard or slope-intercept form. 1.) 2x-3y=7 i got y=2/3x-7/3 2.) y=4/3x-10 i got 4x-3y=30 3.) .5x+y=12 i got y=.5x+12 4.) y=1/2x-2/3 i got 3x-6y=4 Solve the linear systems of equations using the elmination or addition/multiplication method. 5.) 9a+2b=10 9a-2b=8 I got a=1 b=1/2 6.) 3x+3y=15 4x-y=10 I got x=3 y=2 7.) 8x-2y=12 7x+3y=15 I got x=162/19 y=66/38 Solve the systems of linear equations using the substitution method. 8.) y=2x+3 2x+3y=10 I got (1/8,13/4) 9.) 5x-y=8 x+y=10 I got (1/2, 19/2) 10.) 12x+2y=7 y=x+5 i got (-3/14, 67/14) 11.) x=y+2 4y=3x-5 I got (-7, -9) Solve the systems of linear equations using graphing method 12.) y=2x-13 y=-3x+7 I got (4, -5) 13.) 2x+y=10 x+3y=15 I got no solution, parallel lines 14.) 4x+2y=8 y= -2x+6 I got (3,2) Word problem: 15.) Jill makes a blend of choclates for the bake sale. The dark chocolate is \$6.00/ lb., and the milk chocolate is \$4.00/ ib. Write an inequality shoing how Jill sells more than \$25.00 for chocolate. I got 6x+4y>25 If you can please tell me which ones I got wrong I would really apperciate it I really need to pass thi test and see if I need to strudy some more. This would be a big help. Thanks Click here to see answer by solver91311(17077)

 Question 480296: Im doing a practice test to study for my real test. I would like to know if i got th questions correct or not. Convert the linear equations to standard or slope-intercept form. 3.) .5x+y=12 i got y=-.5x-12 Solve the linear systems of equations using the elmination or addition/multiplication method. 7.) 8x-2y=12 7x+3y=15 I got x=33/19 y=18/19 Solve the systems of linear equations using the substitution method. 9.) 5x-y=8 x+y=10 I got (3,7) 11.) x=y+2 4y=3x-5 I got (3,1) Solve the systems of linear equations using graphing method 13.) 2x+y=10 x+3y=15 I got (3,4) 14.) 4x+2y=8 y= -2x+6 I got no solutions parallel lines If you can tll me which ones are wrong iit would be a bbig help tbhanks Click here to see answer by MathLover1(6812)

 Question 480304: Which of the following is false? 1.] the sides and angles of a polygon are coplanar. 2.] a regular pentagon has five congruent sides. 3.] if the vertex angles of an isosceles trinagle measures 100 degrees, then each of the base angles measures 80 degrees. 4.] the line segments that form a polygon are called it's sides. Click here to see answer by solver91311(17077)

 Question 480523: A circle has a diameter AB wher A is the point (6,4) and B is the point (-2,2). Find the radius of th circle and the equation of the circle in general form Click here to see answer by ewatrrr(10682)

 Question 480503: a chld weighs 44lbs how many Kg does he weigh? Click here to see answer by Tatiana_Stebko(1326)

 Question 480542: There are 140 students in 9th grade and 140 students in 10th grade at Kennedy High School. We know that 3/5 of the 9th graders and 3/4 of the 10th graders went to the basketball game. How many more 10th graders than 9th graders went to the game? Click here to see answer by Maths68(1474)

 Question 480631: The angle of elevtion from an observer on the street to the top of a building is 55.6 degrees. If the observer is 150 feet from the base of the building, how tall is the building? Click here to see answer by stanbon(57962)

 Question 480637: I really need help with writing expressions and equations its hard Click here to see answer by MathLover1(6812)

 Question 480719: How do you slove word problems step by step Click here to see answer by Alan3354(31518)

 Question 480773: Find the sum of 59 and 10 Click here to see answer by Edwin McCravy(8999)

 Question 480778: 6 cube root 3√3 - 3 cube root 3 √ 3 (cube are high 3 on root) Click here to see answer by algebrahouse.com(1079)

 Question 480847: RH=DEW POINT/TEMP. Iwould like to solve for temp. Not sure if this formula will work for finding temp. Click here to see answer by stanbon(57962)

 Question 480907: What is the solution to the equation? 1/8x+1= -15 Click here to see answer by stanbon(57962)

 Question 480969: Find 1.53 X 10 to -4 power, written in standard form. Click here to see answer by Alan3354(31518)

 Question 480911: What is the solution to this equation 9f+16=70 Click here to see answer by Maths68(1474)

 Question 481001: How do you work out the problem; 10+3-(-8) Click here to see answer by rfer(12729)

 Question 481004: I have my college placement test. I need to learn algebra all over again ! Click here to see answer by Alan3354(31518)

 Question 481005: I have my college placement test. I need to learn algebra all over again ! Click here to see answer by Alan3354(31518)