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Mice21 [21]
3 years ago
6

The book fair had a sale where 4 books were $25.64. If you wanted to buy 6 books, how much money would you need?

Mathematics
1 answer:
Serjik [45]3 years ago
7 0
$38.46

work-
25.64/4 =6.41
6.41*6=38.46
so you will need a total of $38.46 to buy 6 books.
hope this helped!
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HELP I WILL GIVE YOU BRAINLIEST
LenKa [72]
Find values of x that make the equation equal to 0

x - 3 = 0
x = 3

x + 4 = 0
x = -4

ANSWER: 3, -4
7 0
2 years ago
How to solve 13-5x=-5x+13
igor_vitrenko [27]

Answer:

"all real numbers."

Step-by-step explanation:

Subtract 13 from both sides, obtaining    -5x = -5x.

This result is true for all x, so the solution set is "all real numbers."

3 0
3 years ago
You thought you would get an 89% on your math test .you got an 84% what was the percentage error
muminat
I think it is 5%, hope it help
7 0
3 years ago
Srekar needs to increase the size of the prism below by 2 inches on each side. The original prism has a length of 3, a depth of
Leto [7]

Answer:

a b

Step-by-step explanation:

The options as obtained from the internet.

- the new prism will have a length of 5

- the new prism will have a depth of 4

- the new prism will have a height of 2

- the volume will increase by 6 and each of the 3 dimensions is increased by 2.

- srekar could increase the volume by the same amount by just adding 6 to the height instead of 2 to each side

The volume of a rectangular prism is (length × depth × height)

Originally, length = 3 inches

Depth = 2 inches

Height = 1 inch

Original volume = 3×2×1 = 6 in³

Then, Sreka adds 2 inches to each of the dimensions,

New length = 3+2 = 5 inches

New depth = 2+2 = 4 inches

New height = 1+2 = 3 inches

New volume = (5×4×3) = 60 in³

Taking each of the statements one at a time

Statement 1

the new prism will have a length of 5

True!

Statement 2

the new prism will have a depth of 4

True!

Statement 3

the new prism will have a height of 2

False! New height = 3 inches

Statement 4

the volume will increase by 6 and each of the 3 dimensions is increased by 2.

This is false. The volume increased to 10 folds of its original volume.

Statement 5

srekar could increase the volume by the same amount by just adding 6 to the height instead of 2 to each side

Adding 6 inches to the height,

New height = 1+6 = 7 inches

New volume = 3×2×7 = 42 in³

This statement is false as the new volume from adding 2 inches to each side is 60 in³

Hope this Helps!!!

5 0
3 years ago
Alfonso and Lucas are 238 miles apart, traveling towards each other. If Lucas travels 21 mph and Alfonso travels 13 mph how long
Alex

Lucas equation for his location is x(t) = 13t.

Alfonso's equation is x(t) = 238 - 21t

If you equate these, you get:


13t = 238 - 21t =>

34t = 238

t = 7


So after seven hours they meet.

7 0
3 years ago
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