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dybincka [34]
2 years ago
8

Citlali buys a pen for $1.50. She then bought 4 pieces of cardstock. Her

Mathematics
2 answers:
Marizza181 [45]2 years ago
7 0
3.70-1.50=2.20
2.20 divided by 4 =.55

Answer = $0.55 per piece of cardstock
Nuetrik [128]2 years ago
7 0

Answer: 55 cents

Step-by-step explanation:

3.70-1.50 is 2.20

2.20÷4 because she bought 4 cardstocks is 0.55 cents

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Negative numbers and Positive numbers
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a map of South Carolina is being made to a scale of 1/2 inches equals 50 miles. Greenville is 230 miles from Myrtle beach. how f
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3 years ago
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Which simplified fraction is equal to 0.17...?
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9/17 = .529411...
8/45 = .17777 (the seven repeats)
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3 years ago
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Please its very urgent :( Name five whole numbers that can be expressed as the difference of two perfect squares. Show the math!
Tatiana [17]

Answer:

9, 17, 3, 1600, 11

Step-by-step explanation:

Difference of two perfect squares:

a^2-b^2=(a-b)(a+b)

It seems that you want some

x=a^2-b^2, x \in \mathbb{Z}_{\ge 0}

Note: there's no official symbol for the set of whole numbers, I've already seem \mathbb{W}, \mathbb{Z}^+, as well.

5^2-4^2=25-16=9

There are infinitely many numbers that can satisfy the condition given.

The only condition is that a\geq b, once we are considering whole numbers and not integers.

x_{1}=5^2-4^2=25-16=9

x_{2}=9^2-8^2=81-64=17

x_{3}=2^2-1^2=4-1=3

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3 0
3 years ago
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