3 years ago

What is k+1=3k+(-1)

1 answer:

6 0

Well first you have to distribute the positive to the -1 doing nothing but now it is k+1=3k-1 i would subtract 1 making it k=3k-2 you can then subtract 3k making it -2k =2, then you divide by -2 giving you -1.

You might be interested in

The perimeter of a rectangle garden is 348 feet if the length of the garden is 93 feet what is the width?

Ber [7]

The width is 81 feet.
93(2)+81(2)=348

3 0

3 years ago

Read 2 more answers

Haley bought 8 pencils and 3 folders for $10.39. Nicole bought 5 pencils and 4 folders for $10.51. How much does a folder cost?

cupoosta [38]

Answer:

$1.89

Step-by-step explanation:

1) 8p+3f=$10.39

2) 5p+4f=$10.51

where p represents pencil & f represents folder.

multiply the first equation by 5 and the second equation by 8.

40p+15f=$51.95

40p+32f=$84.08

Subtract

17f=$32.13

f=$32.13/17 =$1.89

6 0

3 years ago

Read 2 more answers

You are painting all four walls of a shed. Each wall is a rectangle with a length of 14 feet and a height of 8 feet. A gallon of

Setler [38]

It's 448 square feet so you'll require 1 and some. buy 2 gallons

7 0

4 years ago

A total of 396 tickets were sold for the school play. They wee either adult tickets or student tickets. The number of student ti

Flura [38]

We know that this problem is in the ratio of 1:3 1 being adult tickets and 3 being student tickets. If we divide 396 by 4 to get 1 part, then we have the answer.

396/4=99

Answer: 99 adult tickets

7 0

3 years ago

The area of a circle is 40 pie (3.14). Find the radius of the circle in simplest form.

dezoksy [38]

Area of a circle equation:
A=(3.14)r^2

40(3.14)=(3.14)*r^2
40=r^2
r= square root of 40

simplified radius is 2 times root 10
(See the photo I attached for the work)

7 0

3 years ago