Mathematics
Mathematics, 18.08.2019 19:30, skyozymy

Solve the equation for y. then find the value of y for the given value of x.
7x-xy=-18; x=-4.

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Mathematics, 09.07.2019 15:00, heyboi2516
Can someone me? 1. which of the following is a solution to the equation y = 3x – 1? (1 point) (4, 1) (2, 5) (4, 3) (0, –3) 3. which equation matches the statement: “the sum of –4x and 2 is 9”? (1 point) –4x + 2 = 9 –4x + 9 = 2 –4x(2) = 9 –4x – 2 = 9 4. solve. x – 6 = –18 (1 point) x = –24 x = –12 x = 12 x = 6 5. solve. 4x + 3 = 47 (1 point) x = 11 x = 40 x = 44 x = 50 6. solve. 1/3x = 12 (1 point) x = 4 x = 15 x = 36 x = 39 7. solve. 3x + 3 = 21 (1 point) x = 5 x = 6 x = 18 x = 36 8. solve. x – 4 = 16 (1 point) x = 20 x = 13 1/3 x = 15 1/3 30 9. use the given equation to find the solution to the following problem. the equation 9.95 + 0.30s = c gives the cost c in dollars that a website charges for downloading songs. the variable s stands for the number of songs downloaded. find the cost of downloading 35 songs. (1 point) c = $9.95 c = $20.45 c = $35.00 c = $114.45 10. write an equation and solve to find the solution to the following problem. you have $27 to spend at the mall and a coupon for $6 off at your favorite store. a t-shirt costs $11. how many t-shirts can you buy using your coupon and money? (1 point) 1 shirt 2 shirts 3 shirts 4 shirts
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Mathematics, 22.07.2019 17:30, Ladyt916
Which statement correctly explains how dana can solve the following system of linear equations for x using the elimination method? 4x+8y=20 -4x+2y= -30 add the two equations, solve for y, and then substitute –1 for y to find x. multiply the bottom equation by –4, solve for y, and then substitute –1 for y to find x. multiply the bottom equation by –1, combine the two equations, solve for y, and then substitute 1 for y to find x. multiply the two equations, solve for y, and then substitute 1 for y to find x.
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Mathematics, 04.08.2019 15:10, kalbaugh
Solve: 4(x - 6) = -2(x - 3) a. x = -3 b. x = 1 c. x = 3 d. x = 5 solve: 2(n - 3) + 5 = 3(n - 1) a. n = 2 b. n = -2 c. n = -1 d. n = 4 solve the equation for m: a = 2(m – w). a. m = (a + w/2) b. m = a + w/2 c. m = 2(a + w) d. m = a/2 + w one side of a square is 5n inches long. another side is n + 16 inches long. how long is a side of the square? a. 16 in b. 5 in c. 4 in d. 20 in solve: 3m - 5 = 7m - 21 a. m=−2/13 b. m=2/13 c. m = 4 d. m=13/2 solve the equation for y: 4x + 3y = -12. a. y = -12 – 4/3 x b. y = -4 – 4/3 x c. y = -12 + 4x d. y = -4 + 4x solve the equation for x: 2x – 16y = 10. a. x = 10 + 8y b. x = 5 – 16y c. x = 5 + 8y d. x = 5 + 16y solve the equation for p: l = pt. a. p = l/t b. p = tl c. p = l + t d. p = t/l in the class elections, connie received 53 more votes than carl. in all, 221 votes were cast for the two candidates. how many votes did connie receive? a. 53 b. 84 c. 137 d. 168 the formula for the amount with simple interest is a = p(1 + rt). find t if a = 168, p = 150, and r = 0.08. a. 1.5 b. 2 c. 2.4 d. 3
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Mathematics, 20.09.2019 05:00, selenaK9514
Solve the equation for y. then find the value of y for each value of x. 3x - 7y = 11; x= -3,0,3 solve the equation for y: y= (simplify your answer. use integers or fractions for any numbers in the expression.)
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Solve the equation for y. then find the value of y for the given value of x.
7x-xy=-18; x=-4....

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