John had $21 to spend on 2 notebooks. After buying them he had $13. How much did each notebook cost?

Answers

Answer 1
Answer:

john had 21.00After buying 2 notebooks he had 13.00

21-13= 8 / 2 =4 each notebook cost 4 dollars.


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What is the kinetic energy of a 1kg pie traveling at a speed of 4m/s
Why is 6/6 equivalent to 6
The graph of the function f(x)=(x-3)(x+1)

The coordinates of the vertices of △DEF are D(2, −1) , E(7, −1) , and F(2, −3) . The coordinates of the vertices of △D′E′F′ are D′(0, −1) , E′(−5, −1) , and F′(0, −3) . What is the sequence of transformations that maps △DEF to △D′E′F′

Answers

Answer:

reflection across the y-axis and translation 2 units right. :)

Step-by-step explanation:

It seems to be a reflection across line x = 1.

Six more than fives times a number (x) is at least 21. I need an inequality.

Answers

5n + 6 ≥ 21 would be the way to write this in math language.

It says that 5n + 6 is 21 or is more than 21.  The symbol ≥ says 21 or more in this case.

What is 3-3×6+2 please help me

Answers

the answer to that is 2 can u plz place this answer as brainliest, thanks!
3-3X6+2

PEMDAS 
3-(3X6)+2
3-(9)+2
3-(11)
= -8
I THINK? I HOPE....


Frank's bank charges a variable finance rate of 1.5 percent on purchases up to $100, and one percent for purchases over $100. If his unpaid balance is $354.15 this month, what is his finance charge?​

Answers

Answer:

Hi there, $4.04 should be his finance charge.

Step-by-step explanation:

What is 6 1/2 / 3 1/2? please help me!

Answers

Answer:

13/7 or 16/7, they are the same, just different ways of writing it.

Step-by-step explanation:

(6 1/2) / (3 1/2)

Convert to an improper fraction

(13/2) / (7/2)

To divide a fraction, find the  reciprocal of the second fraction, and multiply it by the first:

(13/2) * (2/7)

simplfiy

(13/7)

Which is the same as:

1 6/7

Answer:

1 6/7

Step-by-step explanation:

T=3m-n divided by 5 solve for m

Answers

T = (3m - n)/5

5 * T = (3m - n)/5 * 5

5T = 3m - n

n + 5T = 3m - n + n

n + 5T = 3m

(n + 5T)/3 = (3m)/3

(n + 5T)/3 = m

Answer: m = (n+5T)/3
Hope that helped =)
3m= 35
/3
m=35/3

I hope this is correct