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2 years ago

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Tom walked to school at a steady pace, met his sister, and they walked home at a steady pace. Select the description for this gr

aph.
A V-shaped B Upside down V-shaped
C Straight line sloping down D Straight line sloping up

1 answer:

VARVARA [1.3K]2 years ago

7 0

B. Upside Down V- Shaped

When you draw it out, it looks like a upside down V.

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Helga [31]

Answer:

The probability that a high school member selected at random is on the swim team is $\frac{9}{40} = 0.225$

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.

In this question:

Event A: High school student.

Event B: Is on the swin team.

Probability of selecting a high school student:

Of the 1500 students, 200 are on high school. So

$P(A) = \frac{200}{1500}$

Probability of selecting a high school student who swims:

Of the 1500 students, 45 are high school students who swim. So

$P(A \cap B) = \frac{45}{1500}$

What is the probability that a high school member selected at random is on the swim team?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{\frac{45}{1500}}{\frac{200}{1500}} = \frac{45}{200} = \frac{9}{40} = 0.225$

The probability that a high school member selected at random is on the swim team is $\frac{9}{40} = 0.225$

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2 years ago

The graph shown below expresses a radical function that can be written in the form f(x) = a * (x + k) ^ (1 / n) + c does the gra

Allisa [31]

Answer: For me it is the answer is the a I do not know if my answer will help you

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2 years ago

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Trent, Linda and Pam paint a poster that is 4 feet long. They each paint an equal amount. How many feet does each student paint

tester [92]

They each paint a part of the poster that is 1.333 or 1 1/3 feet long. Hope this helps:)

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3 years ago

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Grace [21]

Y=-4 is one of your answers

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3 years ago

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The point B(1, 1) is rotated 90° counterclockwise around the origin. What are the co

Thepotemich [5.8K]

Given that the point B is (1,1) is rotate 90° counterclockwise around the origin.

We need to determine the coordinates of the resulting point B'.

<u>Coordinates of the point B':</u>

The general rule to rotate the point 90° counterclockwise around the origin is given by

$(x, y) \rightarrow(-y, x)$

The new coordinate can be determined by interchanging the coordinates of x and y and changing the sign of y.

Now, we shall determine the coordinates of the point B' by substituting (1,1) in the general rule.

Thus, we have;

Coordinates of B' = $(1,1) \rightarrow(-1,1)$

Thus, the coordinates of the resulting point B' is (-1,1)

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2 years ago