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2 years ago

12

Can someone plz answer my question plz!!!!! It's in the picture

1 answer:

djyliett [7]2 years ago

8 0

-- If the spinner is honest and the sections are all the same size, then
each section should have an equal chance of being landed on.

-- If there are 4 sections, then the chance of landing on each one
should be 1/4 or 25%.

-- The chance doesn't depend on how many times you try it.
If there are 4 sections, then each one should come up
25% of the time.

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If all of the diagonals are drawn from a vertex of an octagon, how many triangles are formed?

Lynna [10]

There are 6, you'd think there would be 8 but the answer is actually 6. A diagonal is a line segment that connects to vertices, the two vertices chosen do not count when forming the triangle, two vertices that are adjacent to that chosen vertex are NOT included when forming the diagonal. It's confusing, but I hope this helps. If you have any follow up questions I'd love to answer them.

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3 years ago

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In the diagram below, f(x)=x^3+2x^2 is graphed. Also graphed is g(x), the result of a translation of f(x). Determine an equation

Art [367]

Answer:

g(x)=x^3+2x^2 - 4

Step-by-step explanation:

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2 years ago

Equivalent fraction of 9/11

quester [9]

Answer:

1822

Step-by-step explanation:

The fraction 1822 is equal to 911 when reduced to lowest terms.

18

22

is equivalent to 9

11

because 9 x 2 = 18 and 11 x 2 = 22

27

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is equivalent to 9

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because 9 x 3 = 27 and 11 x 3 = 33

36

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because 9 x 4 = 36 and 11 x 4 = 44

8 0

3 years ago

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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

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2 years ago

A diver descended 46.2 feet in 14.0 minutes. What was the diver's average change in elevation per minute?

Vaselesa [24]

Answer: 3.3 per minute

Step-by-step explanation:

46.2 / 14.0 = 3.3

3.3 * 14.0 = 46.2

Hope this helps you!

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2 years ago

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