Solve the problem. 28) A kitchen remodeling company determines that the marginal cost, in dollars per foot, of installing x feet of kitchen countertop is given by C'(x) = 7x-1/3 Find the cost of installing an extra 9 feet of countertop after 30 feet have already been ordered.

Q: Solve     3tan2 x − 1 = 0.

A:

Q: Solve for x (5x + 4)'75 = 128

A:

Q: Solve 7x + 5 = 3x –  11 then  x =

A: we have to slove the above question

Q: Solve for x  5x - 7 = 8

A:

Q: solve for A =  2 4 0 0     4 2 0 0 0 0 2 4 0 0 4 2

A:

Q: V-Xe How solve? ansi-(xétě)

A: The above problem is solved.

Q: Solve 2 +125=0

A:

Q: 3.2 H.

A:

Q: Solve 3/I + 10 – 5 = 4 for z न ]

A:

Q: 近+5=2

A: The given equation is: 12x3+5=2 To simplify this algebraically, subtract 5 on the sides.…

Q: Distinguish the number of solutions.

A: Given that,

Q: Solve for x+69=89

A: Here we want to solve  x + 69 = 89

Q: solve the equtions 31

A: Givent3y'=2ywhere y(1)=1and t>0

Q: 9 = Vx – 4 + 5.

A:

Q: Solve 6/x + 9 – 3 = - 1 for x

A: 6x+9-3=-1To solve for x

Q: Solve for x 7x+ 3 8х-8

A: NOTE: Refresh your page if you can't see any equations. . If two parallel lines are cut by a…

Q: V8x +33= x + 6

A:

Q: 4y+9=7y-12

A:

Q: খ6त - 3 5प 12. 36 %3D il

A:

Q: solve  (x+2)2=16 x=

A:

Q: Solve. (a-4)(a+7)=0

A: We need to solve the equation (a−4)(a+7)=0

Q: Solve 7 = ex+1.

A: Given function  - 7 = ex+1Taking ln on both sides - ln7 = lnex+1ln7 = x+1lne…

Q: Solve for A. 5 -2 A 1 -2 A =

A:

Q: し 30 4.

A:

Q: Solve: I 5x + 3 I = I 12 - 4x I

A: Given that the equation I 5x + 3 I = I 12 - 4x I To solve the given equation

Q: Just solve the third one. The other two are right

A: