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2 years ago

What is the common ratio for the geometric sequence below, written as a fraction?

Mathematics

1 answer:

11111nata11111 [884]2 years ago

6 0

Answer:

5/8

Step-by-step explanation:

Find the common ratio by dividing one of the numbers in the sequence by the previous one:

480/768

= 0.625

Convert this to a fraction:

0.625

= 5/8

So, the common ratio is 5/8

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Donna bought 5 bags of dog treats for 12.55. What is the cost per bag

Lera25 [3.4K]

Answer:

$2.51

Step-by-step explanation:

12.55/5= 2.51

a bag of dog treats is 2.51 per bag

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2 years ago

For women at hartford college, times to run 400 meters are normally distributed with a mean of 84 seconds and a standard deviati

pashok25 [27]

z=(63-84)/3= -21/7= -3
P(x>63)=p(z > -3) = .9987 or 99.87%

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3 years ago

Let D be the event that a randomly chosen person has seen a dermatologist. Let S be the event that a randomly chosen person has

SSSSS [86.1K]

Given:

D be the event that a randomly chosen person has seen a dermatologist.

S be the event that a randomly chosen person has had surgery for skin cancer.

To find:

The correct notation for the probability that a randomly chosen person has had surgery for skin cancer, given that the person has seen a dermatologist.

Solution:

Conditional probability: Probability of A given B is:

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

Let D be the event that a randomly chosen person has seen a dermatologist.

Let S be the event that a randomly chosen person has had surgery for skin cancer.

Using the conditional probability, the correct notation for the probability that a randomly chosen person has had surgery for skin cancer, given that the person has seen a dermatologist is P(S|D).

Therefore, the correct option is D.

8 0

2 years ago

4 lines extend from point B. A line extends straight up from B to point A. Another line extends up and to the right to point C.

never [62]

The other line extends slightly down and to the right to point E

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3 years ago

In the contiguous United States, the ratio of states that border an ocean to states that do not border an ocean is 7:9. How many

Luda [366]

Answer:

Step-by-step explanation:

The contiguous U.S. consist of all states beside Alaska and Hawaii; therefore, there are 48 contiguous U.S. states. However, the ratio given to us only consists of 16 states [7 + 9 = 16]. If we need to expand the ratio, we multiply 16 by 3 to get 48. Thus, we also multiply each of the terms by 3, and the ratio becomes 21:27. Therefore, the number of contiguous U.S. states that border an ocean is 21.

3 0

2 years ago

Read 2 more answers