3 years ago

Please help i am stuck with this problem please help

Mathematics

1 answer:

Masteriza [31]3 years ago

8 0

Answer:

Step-by-step explanation:

The first number on the mechanic's list is the one that is most negative. The negative numbers on the list are ...

-3/16, -1/4, -1/16

These are easier to compare if they have a common denominator:

-1/4 = -4/16

So, the numbers are ...

-3/16, -4/16, -1/16

The one that is most negative is -4/16 = -1/4. Only one answer choice has this listed first. (No further work is necessary.)

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patriot [66]

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6 0

3 years ago

Please can you help me?

Gennadij [26K]

Answer:

$\large\boxed{C)\ \dfrac{3}{4}}$

Step-by-step explanation:

$\text{We know:}\ P(A')=1-P(A)\\\\\text{Therefore}\\\\P(A)-3\cdot P(A')=0\iff P(A)-3\cdot(1-P(A))=0\\\\\text{use the distributive property}\ a(b+c)=ab+ac\\\\P(A)+(-3)(1)+(-3)(-P(A))=0\\\\P(A)-3+3P(A)=0\qquad\text{add 3 from both sides}\\\\P(A)+3P(A)=3\\\\4P(A)=3\qquad\text{divide both sides by 4}\\\\P(A)=\dfrac{3}{4}$