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2 years ago

At a used book sale , Ms Margo sees that 4 comic books cost $5. At the rate,how much book can ms Margo but for $15?

Mathematics

2 answers:

Nostrana [21]2 years ago

3 0

Answer:

12 books

Step-by-step explanation:

Since she has $15 and books come in a pack of four for $5, we can divide her money by the cost to see how many she can get ($15/$5) which gets us 3. but we have to remember the books come in a pack of four so we must multiply 3x4=12 books.

Vlada [557]2 years ago

3 0

12 books! ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

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$\large\boxed{-6y^2+12y+4}$

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

Which statement best describes the relation (3, 4), (4, 3), (6, 3), (7, 8), (5, 4)?

snow_lady [41]

Answer:

This relation represent y as a function of x, because each value of x is associated with a single value of y

Step-by-step explanation:

we know that

A function is a relation from a set of inputs (x values) to a set of possible outputs (y values) where each input is related to exactly one output

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2 years ago

<img src="https://tex.z-dn.net/?f=5%20-%203x%20%3D%2011" id="TexFormula1" title="5 - 3x = 11" alt="5 - 3x = 11" align="absmiddle

const2013 [10]

Hi there! :)

Answer:

x = -2

Step-by-step explanation:

5 - 3x = 11

Subtract "5" from each side of the equation → 11 - 5 = 6

-3x = 6

Divide each side of the equation by "-3" → 6 ÷ -3 = -2

x = -2

There you go! I really hope this helped, if there's anything just let me know! :)

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2 years ago