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kari74 [83]
3 years ago
13

ASAP QUESTIONS PLEASE ANSWER

Mathematics
1 answer:
suter [353]3 years ago
5 0
[Would be better if you submit these as separate questions]

<span>4x+3y=54
3x+9y=108 
multiply upper by 3 and subtract from lower:

3x - 12x = 108 - 162
9x = 54
x = 6
y = 10

2nd one is 36xy, see other question.

x</span>²+3x-18 factors as (x+6)(x-3)<span>

</span>
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Answer:

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Step-by-step explanation:

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Angelina_Jolie [31]
To evaluate the probability that a randomly selected day will be between 28 and 34 minutes we proceed as follows:
P(28<x<34)
First we evaluate the z-score for the above values:
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σ=5.1

when:
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z=(28-26.7)/5.1
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6 0
3 years ago
A variable needs to be eliminated to solve the system of equations below. Choose the
sasho [114]

Step-by-step explanation:

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+ (4x - 4y = -36)

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2 years ago
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So then you get 324x3.14, and you get 1,017.36

That is ur answer
5 0
2 years ago
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