ashleymac0223 ashleymac0223

05-11-2020
Mathematics

contestada

2. If r=7 is a solution to -6r+18=k(x-15), then which of the following must be the value of K?
(1)-8
(3)3
(2) -4
(4) 11

Respuesta :

Аноним Аноним

05-11-2020

Answer: (1)-8

Step-by-step explanation: −6r+18=k(x−15)

Step 1: Flip the equation.

kx−15k=−6r+18

Step 2: Factor out variable k.

k(x−15)=−6r+18

Step 3: Divide both sides by x-15.

k(x−15)/x-15 =

−6r+18/x-15

k= −6r+18/x-15= -8

Answer Link

Otras preguntas

y is directly proportional to x. when x=500, y=10 find a formula for y in terms of x.

solve for x then solve for the angle indicated- m

How many grams of SO2 can dissolve in 100 g of water at 50 ⁰C?

Find the value of each variable. If your answer is not an integer, write it in simplest radical form with the denominator rationalized.

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. What is the solution of the equation? 3√(x+2)3+3=27 (4

Rain water which falls on a flat rectangular surface of length 6m and breadth 4m is transferred into a cylindrical vessel of internal radius 20 cm. What will be

Draw all the possible isomers of: a. square planar [Ni(gly)2] b. tetrahedral [Ni(gly)2] c. octahedral [Fe(gly)3]

Use either <,> or = to relate the fractions below. (a) 2/4and3/6

Imagine that an alien organism is found that translates its RNA using pairs of nucleotides instead of triplets. During translation, the alien organism can use 5

It's your time - Project work! 11. a) Let's make groups of 5 friends and conduct a survey inside your class to find the amount of pocket money that your friends