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3 years ago

Absolute Value. 8 pts!!! I'd be so grateful if someone answers. Thanks so much in advance. (#22)

Mathematics

1 answer:

olasank [31]3 years ago

5 0

X has to be a larger valued negative number than y for the equation to be valid.

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For the month of March in a certain city, 57% of the days are cloudy. Also in the month of March in the same city, 55% of the da

oksian1 [2.3K]

Answer: 0.9649

Step-by-step explanation:

Let A denote the event that the days are cloudy and B denotes the event that the days are rainy.

Given : For the month of March in a certain city, the probability that days are cloudy : $P(A)=0.57$

Also in the month of March in the same city,, the probability that the days are cloudy and rainy : $P(A\cap B)=0.55$

Now by using the conditional probability, the probability that a randomly selected day in March will be rainy if it is cloudy will be :-

$P(B|A)=\dfrac{P(A\cap B)}{P(A)}$

$\Rightarrow\ P(B|A)=\dfrac{0.55}{0.57}\\\\=0.964912280702\approx0.9649\ \ \text{[Rounded to four decimal places.]}$

Hence, the probability that a randomly selected day in March will be rainy if it is cloudy = 0.9649

4 0

3 years ago

Corresponding points of (-1, 1/2)

Musya8 [376]

Answer:

(-2,0), (-1,1), (0,2)

Step-by-step explanation:

3 0

3 years ago

A construction worker needs to put a rectangular window in the side of a building. He knows from measuring that the top and bott

Alexxandr [17]

Answer: 15 feet

Step-by-step explanation:

4 0

3 years ago

30% of a number is one-thirtieth of x, find the initial expression as a fraction of x

balu736 [363]

$30\%=\frac{1}{30}x\\\\0.3=\frac{1}{30}x\\\\\frac{3}{10}=\frac{1}{30}x\ \ \ \ \ |\cdot30\\\\x=9\\As\ a\ fraction\ \frac{9}{30}$

7 0

3 years ago

Please help me solve the equation in the picture I have to get it done soon!<br>

Natasha_Volkova [10]

Answer:

square root of 5 squared minus 4 squared

Step-by-step explanation:

a^2 + b^2 = c^2

c^2 - b^2 = a^2

5^2 - 4^2 = a^2

25 - 16 = a^2

9 = a^2

√

√9=a

a=3

a= √25-16

a= √9

a=3

Hope this helps!

8 0

2 years ago