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marin [14]
4 years ago
9

What is the mean of 8,8,8,7,7,8,3

Mathematics
2 answers:
DiKsa [7]4 years ago
8 0
The mean is 7 add up all the numbers divide by the number of addens

aleksley [76]4 years ago
7 0
8 + 8 + 8 + 7 + 7 + 8 + 3 = 49
49 / 7 = 7
The mean is 7
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The sum of all the positive terms in the geometric sequence 54, -36, 24, -16, ... is
Nat2105 [25]

Answer:

see the pic above for answer

I hope it helps you, mate

3 0
3 years ago
Line segment AB is shown on a coordinate grid:
Roman55 [17]

Answer:

The statements which describe A'B' is:

A'B' and AB are equal in length ⇒ (B)

Step-by-step explanation:

Let us take about reflication:

⇒ Reflections are mirror images, means the shape or the size of

   the figure does not affect by reflection, think of "folding" the

   graph over the y-axis or the x-axis

⇒ On a grid, you used the formula (x, y) → (-x, y) for a reflection in

    the y-axis and used the formula (x, y) → (x, -y) for a reflection in

    the x-axis.

In our question segment AB, where A = (1, 3) and B = (5, 3) is

reflected about the y-axis

By using the rule above

∴ A' =(-1, 3)

∴ B' = (-5,3)

∵ Reflection does not change the shape or the size of the original figure

∴ Line segment A'B' has the same length of line segment AB

The correct answer is:

A'B' and AB are equal in length

You can check your answer by finding the lengths of AB and A'B'

∵ The length of AB = 5 - 1 = 4 units

∵ The length of A'B' = -1 - (-5) = -1 + 5 = 4 units

∴ AB = A'B'

<u><em>Note</em></u><em>:</em>

<em>If the y-coordinates of two points are equal, then the line joining them is horizontal and its length is the difference between the x-coordinates of the two points.</em>

4 0
3 years ago
If f(x) = x3 – 2x2, which expression is equivalent to f(i)?
AnnZ [28]

Answer:

D

Step-by-step explanation:

f(x)=x³-2x²

f(i)=(i)³-2(i)²=i²×i-2(-1)

=-1×i+2

=2-i

6 0
3 years ago
javier has 3 math books that are the same size. he makes a stack by placing the books on top of each other. The total stack is 1
Alexeev081 [22]
Answer:
The height of one book is \frac{10}{3} in

Explanation:
We know that the 3 books are of the same size. This means that the 3 books have the same height.
Assume that each book has a height x in

Now, we know that the total height is 10 in.
Therefore:
x + x + x = 10
3x = 10
x = 10/3 in

Based on the above, the height of one book is 10/3 in

Hope this helps :)
4 0
3 years ago
Which figure is a prism? A pyramid with rectangular base. A cylinder. A prism with a rectangular base. A pyramid.
baherus [9]

Answer:

A prism with a rectangular base.

Step-by-step explanation:

it's a prism.

7 0
3 years ago
Read 2 more answers
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