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3 years ago

9

The cost of highlighters is proportional to the number of highlighters purchased. If a 4-pack of highlighters costs $2.40, what

is the cost per
highlighter?

1 answer:

Kaylis [27]3 years ago

5 0

Answer:

$0.60 per highlighter

Step-by-step explanation:

You just do $2.40/4 and you get $0.60

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5(-7)+9(4) I am confused on this problem

amm1812

Answer:

the answer is 1

Step-by-step explanation:

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3 years ago

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Given that a rectangle has a length of 5/2x + 10 with a width of 5/2x + 5, formulate an expression to represents the area of the

stepan [7]

Answer:

<h3> A = ²⁵/₄x² + ⁷⁵/₂x + 50</h3>

Step-by-step explanation:

L = ⁵/₂x + 10

W = ⁵/₂x + 5

A = L•W

A = (⁵/₂x + 10)(⁵/₂x + 5)

A = ⁵/₂x•⁵/₂x + ⁵/₂x•5 + 10•⁵/₂x + 10•5

A = ²⁵/₄x² + ²⁵/₂x + ⁵⁰/₂x + 50

A = ²⁵/₄x² + ⁷⁵/₂x + 50

Or if yoy mean:

L = 5/(2x) + 10

W = 5/(2x) + 5

A = [5/(2x) + 10][5/(2x) + 5] = 25/(4x²) + 75/(2x) + 50

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3 years ago

3(2x - 1) = 1/2 (4x - 2) + 2<br> What would it be?

Novay_Z [31]

Answer:

X = 1

Step-by-step explanation:

Just distribute properly, and distribute the fraction multiplying the numerator by 4 and 2

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2 years ago

It takes you 45 minutes to clean the fish tank and it takes your sister 30 minutes. how long does it take the two of you working

katen-ka-za [31]

It takes you 45 minutes to clean the fish tank and it takes your sister 30 minutes. how long does it take the two of you working together to clean the fish tank

Answer:

My 1 minute work = $\frac{1}{45}$

My sisters 1 minute work = $\frac{1}{30}$

My and My sister's 1 minute work = $\frac{1}{45}+\frac{1}{30}$

= $\frac{5}{90}$

= $\frac{1}{18}$

$\therefore$ Me and My sister will finish the work in $\frac{18}{1} =18$ minutes

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3 years ago

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Answer:

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Step-by-step explanation:

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