The heights, in centimeters, of five students in a school’s class team are: 165, 175, 176, 159, and 170. What is the mean of the heights of the five students?

Answers

Answer 1

Answer:

Answer:

169 cm

Step-by-step explanation:

Mean is the average of a group of numbers. You calculate it by adding all your numbers and dividing by how many numbers you have. In this question you would solve with these steps...

Add all of your numbers

165 + 175 + 176 + 159 + 170 = 845

Divide your solution by the number of numbers you have

845 / 5 = 169

The mean of the heights of the five students is 169cm.

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The events A and B are mutually exclusive. If P(A)=0.1 and P(B)=0.4, what is P(A or B)? ASAP

Answers

Answer:

Given that the events A and B are mutually exclusive.

P(A) = 0.1

P(B) = 0.4

Mutually Exclusive Events: When two events are Mutually Exclusive it is impossible for them to happen together i.e

If A and B are two events then; P(A and B) = 0

then;

P(A or B) = P(A) +P(B)

By the definition of mutually exclusive events;

P(A or B) = P(A) +P(B) ......[1]

Substitute the values of P(A) = 0.1 and P(B) = 0.4 in [1] we have;

P(A or B) = P(A) +P(B) = 0.1+0.4 = 0.5

What is the image point of (4, 6) after the transformation
T 5,2 r y=-x?

Answers

Answer:

(-1,-2)

Step-by-step explanation:

Is the blue figure a rotation of the red figure about the orgin?

Answers

Answer:

yes; 180° CW or CCW

Step-by-step explanation:

Each of the figures is a reflection of the other across the origin. Such a reflection is equivalent to rotation 180° about the origin. 180° CW is the same as 180° CCW, so the direction could be either one.

Comparing the images, the correct option is option d

Yes, 180 degrees clockwise or counterclockwise about the origin

What is 180 deg clockwise rotation

A 180-degree clockwise rotation means that a point, shape, or object is rotated 180 degrees in the clockwise direction around a central point. In the Cartesian coordinate system:

For a point (x, y), a 180-degree clockwise rotation swaps the x and y coordinates and negates both. So, the new coordinates would be (-x, -y).

The resultant image is the same the difference is the way it rotates hence we choose option d

Learn more about 180 deg clockwise rotation

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Write the related series for the finite sequence 1.5, 2.7, 3.9, . . ., 8.7? Then find the sum.

Answers

Subtract each terms.

2.7 - 1.5 = 1.2
3.9 - 2.7 = 1.2

From these, we can see that they add 1.2 each time. 8.7 is the last number, so each numbers in the sequence is.

1.5, 2.7, 3.9, 5.1, 6.3, 7.5, 8.7

Add all of these numbers together.

1.5 + 2.7 + 3.9 + 5.1 + 6.3 + 7.5 + 8.7 = 35.7

35.7 is your answer

hope this helps

Answer:35.7

Step-by-step explanation: subtract the numbers

If 5 added to thrice an integer is – 7, then the integer is