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1. algebra

   1. use the zero product property to solve the equation. (x-9)(x-8)=0 A- x=-8 or -9 B- x=8 or 9 C- x=-2 or -3 D- x=0 2. use the zero product property to solve the equation. (4k+5)(k+7)=0 A- k=5/4 or 7 B- k=5/4 or -7 C- k= -5/4 or

2. ALGEBRA CHECK ANSWERS

   Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. NOTE: when I write + it has a minus on the bottom too x^2+7=0 a. x= +7 b. x = +3.5 c. x= 0 d. no solution ***

3. math

   Write and solve the differential equation that models the verbal statement. The rate of change of N is proportional to N. (Use k for the proportionality constant.) dN dt = N(t) = I mainly need help with the bottom part below this

4. math

   an architect wants to draw a rectangle with a diagonal of 13 inches.the length of the rectangle is to be 2 inches more thn twice the width.what dimensions should she make the triangle. (a)set up an equation: (b)solve the equation:

1. Math- urgent

   One more than 3 times a number is the same as 5 times the number, decreased by 15. Find the number. • Assign the variable • Write an equation • Solve equation

2. Math

   36 is equal to 45% of a number n. Write and solve an equation to find n. Write the percent as a decimal. Equation=? n=? My friend and I are both stumped on this question.

3. math

   The length of a rectangular room is two feet less than three times its width. The area of the rectangle is 176 square feet. a) Write an algebraic equation to model this problem. b) Solve the equation to find the dimensions of the

4. Math

   1. I am thinking of a number. It is increased by 7. The sum is 21. What is my number? A. n=28*** B. n=14 C. n=7 D. n= 147 2. I am thinking of a number. It is increased by 9. The product is 27. What is my number? A. n = 36 B. n =

1. math

   What is the first step in solving the linear system {2x−3y=11 {−x+5y=−9 by the substitution method in the most efficient way? A. Solve the first equation for x. B. Solve the first equation for y. C. Solve the second equation

2. math

   What is the first step in solving the linear system {2x − 3y = 11 {−x + 5y = −9 by the substitution method in the most efficient way? A. Solve the first equation for x. B. Solve the first equation for y. C. Solve the second

3. Math

   1. Solve the equation. -6g = 42 a. g = 7 b. g = -7 c. g = 252 d. g = -252 2. Solve the equation. x/8 = 16 a. x = 128 b. x = 24 c. x = 8 d. x = 2 3. Solve the equation. 12m = 14.4 a. m = 120 b. m = 12 c. m = 1.2 d. m = 0.12 4.

4. math

   to solve this system of equation by elimination 6x+5y=2 and 4x +2y=8 to eliminate the x value what do we do? A- subtract 2 times the second equation from 3 times the first one B- subtract 3 times the second equation from 2 times

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