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mel-nik [20]
3 years ago
7

3. Complete the equation so it has infinitely many solutions. 3(2 + x) = 3x +

Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer: 3x + 6

Step-by-step explanation:

You are using the distributive property so you already multiplied 3 and x so you just do the with 3 and 2 . You get six since the coefficient can't go into six that's your answer

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19 + 12k = –k − 20 solve for k
marshall27 [118]

Answer:

k=13

Step-by-step explanation:

19 + 12k = –k − 20

19+20=39=13k

k=13

8 0
3 years ago
Read 2 more answers
RU and JM are diagonals. Given ST= 6, KL = 10, and RU= 12, find JM
AfilCa [17]

Your question is incomplete. The complete question is attached down

Answer:

JM = 20 units

Step-by-step explanation:

∵ Hexagon RSTUVW is similar to hexagon  JKLMNP

∴ The corresponding sides and diagonals have a constant ratio

∴ \frac{RS}{JK}=\frac{ST}{KL}=\frac{TU}{LM}=\frac{UV}{MN}=\frac{VW}{NP}=\frac{RW}{JP}=\frac{RU}{JM}

∵ ST = 6 units

∵ KL = 10

∴ \frac{ST}{KL}=\frac{6}{10}

- Simplify it by dividing up and down by 2

∴ \frac{ST}{KL}=\frac{3}{5}

∵ \frac{ST}{KL}=\frac{UR}{JM}

∵ RU = 12 units

∴  \frac{3}{5}=\frac{12}{JM}

- By using cross multiplication

∴ JM × 3 = 5 × 12

∴ 3 JM = 60

- Divide both sides by 3

∴ JM = 20 units

5 0
3 years ago
Show that x⁵²-21x+20 is divisible by x− 1.
SashulF [63]

Answer

given equation,

x⁵²-21 x+20

A number to be divisible by the another number means that on dividing the remainder should be zero.

if x⁵²-21 x+20 is divisible by x− 1 means that x-1 should completely divide the equation.

 so,

      x -1 = 0

       x = 1

x⁵²-21 x+20 to be divisible it should be equal to zero when x = 1

putting x = 1

= (1)⁵²-21 (1)+20

= 1 - 21 + 20

= 21 -21

= 0

hence x = 1 is the root of the equation

so, x⁵²-21 x+20 is divisible by x− 1.

4 0
3 years ago
What is the solution for -10 < x - 9? if you get it right ill award brainliestttttt!!!!!!!
padilas [110]

Answer:

C. x > -1

Step-by-step explanation:

First you need to cancel out the -9 so you add 9 what you fo to one side you do to the other so -10+9 is -1 and you bring down the sign and you end up with x > -1

5 0
4 years ago
In the standard (x,y) coordinate plane, point A has coordinates (−4,0) and point B has coordinates (0,−8). What are the coordina
d1i1m1o1n [39]
A (-4,0), \ B (0,-8) \\ \\The \ midpoint \ M \ of \ the \ line \ segment \ joining \ the \ points \\ \\ (x _{1}, y _{1}) \ and \ (x _{2}, \ y _{2}) \ is : \\ \\ M=(\frac{x_{1}+x_{2}}{2};\frac{y_{1}+y_{2}}{2})

M=(\frac{-4+0}{2};(\frac{0+(-8)}{2})\\ \\ M=(\frac{-4}{2}; \frac{-8}{2})\\ \\M=(-2;-4)



4 0
3 years ago
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