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3 years ago

What is the equation of a line that passes through (6,3) and has a slope of -2/3

Mathematics

1 answer:

goldenfox [79]3 years ago

6 0

Answer:

y=mx+b = 3y=6x+-2/3

Step-by-step explanation:

hope this is better

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Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil.

oksian1 [2.3K]

Answer:

0.36 = 36% probability that the land has oil and the test predicts it

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

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

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

45% chance that the land has oil.

This means that $P(A) = 0.45$

He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil.

This means that $P(B|A) = 0.8$

What is the probability that the land has oil and the test predicts it?

This is $P(A \cap B)$ . So

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

$P(B \cap A) = P(B|A)*P(A) = 0.8*0.45 = 0.36$

0.36 = 36% probability that the land has oil and the test predicts it

5 0

3 years ago

PLEASE HELP<br> how can you simplify 208/1000??

dsp73

The answer is 26/125.

7 0

3 years ago

I have 100 cubes plus 70 cubes. How many trains of cubes i have

rosijanka [135]

You have one hundred seventy cubes

8 0

3 years ago

Read 2 more answers

Find this shape’s area

natali 33 [55]

Answer:

90ft

Step-by-step explanation:

I draw it out and add a dotted line to make a triangle and rectangle then you find the area of them individually and add the two together.

Rectangle:

6*3=18

Triangle:

Add the 6+6 together to get the height of the triangle and subtract the 3 from the 15 to get the base

(12*12) $\frac{1}{2}$

144/ $\frac{1}{2}$

Total area:

18+72

90ft

6 0

3 years ago

I'll give brainliest and five stars if you help me!

andrezito [222]

A.)))))))))))

- Harvard university professor

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3 years ago