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3 years ago

Roxanne has $20 and she wants to buy some shirts. She picks one shirt that costs $10.99 and two shirts that cost $4.99 each.

Mathematics

2 answers:

timurjin [86]3 years ago

7 0

Answer:

Step-by-step explanation:

bc it's the most simple option for roxanne

irina1246 [14]3 years ago

6 0

The answer would be B

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3 years ago

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* The nth term of sequence A is 3n − 2 The nth term of sequence B is 10 − 2n Sally says there is only one number that is in both

Nina [5.8K]

Answer:

Sally is not right

Step-by-step explanation:

Given the two sequences which have their respective $n^{th}$ terms as following:

Sequence A. $3n - 2$

Sequence B. $10 - 2n$

As per Sally, there exists only one number which is in both the sequences.

To find:

Whether Sally is correct or not.

Solution:

For Sally to be correct, we need to put the $n^{th}$ terms of the respective sequences as equal and let us verify that.

$3n-2=10-2n\\\Rightarrow 3n+2n=10+2\\\Rightarrow 5n=12\\\Rightarrow n = \dfrac{12}{5}$

When we talk about $n^{th}$ terms, $n$ here is a whole number not a fractional number.

But as per the statement as stated by Sally $n$ is a fractional number, only then the two sequences can have a number which is in the both sequences.

Therefore, no number can be in both the sequences A and B.

Hence, Sally is not right.

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2 years ago

The birth weights for twins are normally distributed with a mean of 2353 grams and a standard deviation of 647 grams. use z-sco

kirill [66]

I think that the answer is B

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3 years ago

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Willis bought a gallon of paint.He painted a wall that is 9 feet high and 10 feet wide.Then he used he rest of the paint to pain

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First you need to find the surface area of the wall that was painted, and then add the additional area in the hallway that was painted.

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3 years ago

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