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2 years ago

Please help me thanks a lot

Mathematics

2 answers:

Harman [31]2 years ago

7 0

Answer:

Step-by-step explanation:

Plot your point at (-9,0) then draw your line with your slope (plot some other points first). Using algebra rearrange your y=mx+b formatted equation.

y=-5/3x-15, 3y = -5x - 45, 5x + 3y = -45

Aleksandr [31]2 years ago

7 0

C is the answer to this

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2 years ago

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3 years ago

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Assume that in a particular military exercise involving two units, Red and Blue, thereis a 60 % chance that the Red unit will su

Marysya12 [62]

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Step-by-step explanation:

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As we know that

$P(only\ red)=P(R)-P(R\cap B)\\\\0.18=0.60-P(R\cap B)\\\\0.18-0.60=-P(R\cap B)\\\\-0.42=-P(R\cap B)\\\\P(R\cap B)=42\%$

Hence, there are 42% chances that both units will meet their objectives.

the probability that one or the other but not both of the units will be successful is given by

$P(R\cup B)=P(R)+P(B)-P(R\cap B)\\\\P(R\cup B)=0.60+0.70-0.42\\\\P(R\cup B)=0.88\\\\P(R\cup B)=88\%$

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2 years ago