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kykrilka [37]
3 years ago
13

Can someone help me find the rule?

Mathematics
1 answer:
frutty [35]3 years ago
4 0

I think the rule might be x-9

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What is the area?<br> 2 yd<br> 8 yd<br> 5 yd
MrRissso [65]

Answer:

28

Step-by-step explanation:

I assume the polygon is a trapezoid with parallel bases of 2 yd and 5 yd, and an altitude of 8 yd.

area of trapezoid = (base1 + base2)h/2

area = (2 yd + 5 yd)(8 yd)/2

area = 28 yd²

5 0
2 years ago
What is the mean of this data set? {14, 7, 2, 8, 3} Enter your answer as a decimal in the box.
Assoli18 [71]

The mean of the data set is 6.8.

<h3>What is the mean?</h3>

Mean is the average value of the given set of observations. In statistics, we also come across different types of mean such as Arithmetic, Geometric and Harmonic mean.

Given

The data set is 14, 7, 2, 8, 3.

The mean of the data set is given by;

\rm Mean = \dfrac{Sum \ of \ all \ data}{Number \ of \ data}\\\\Mean =\dfrac{14+7+2+8+3}{5}\\\\Mean = \dfrac{34}{5}\\\\Mean=6.8

Hence, the mean of the data set is 6.8.

To know more about mean value click the link given below.

brainly.com/question/4209766

3 0
2 years ago
Complete the equation, and tell which property you used.<br><br> 8 x (14+7) = _________+ (8 x 7)
melamori03 [73]
By distributive property, 8 x (14 + 7) = (8 x 14) + (8 x 7)
8 0
3 years ago
karie builds a skate ramp with 2 metres of wood. she wants the vertical height of the ramp to be 1 metre. what does the angle el
MA_775_DIABLO [31]

9514 1404 393

Answer:

  30°

Step-by-step explanation:

The relationship between triangle sides and angles can be remembered using the mnemonic SOH CAH TOA. Here, we're interested in the relationship involving the hypotenuse and the side opposite the angle:

  Sin = Opposite/Hypotenuse

For a ramp 1 m high and 2 m long, we have ...

  sin(x) = (1 m)/(2 m) = 1/2

  x = arcsin(1/2) = 30°

The elevation angle of the ramp needs to be 30°.

4 0
3 years ago
The perimeter of a square is represented by 20n-8. Write an expression that will represent each side of the square.
Over [174]

Answer:

n=3

Step-by-step explanation:

20+20+20 length +width+ height

20×3

5 0
2 years ago
Read 2 more answers
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