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sertanlavr [38]
3 years ago
6

How to find mean, variance and standard deviation of each data set of 4,6,7,7,5,1,2,3

Mathematics
1 answer:
Sholpan [36]3 years ago
8 0

Answer:

search it up

Step-by-step explanation:

add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

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________is an acute angle and sin theta and cos theta are given. Use identities to find tangent theta, cosecant theta, secant th
AnnyKZ [126]

Answer:

tangent theta = 12/5,

cosecant theta = 13/12

secant theta = 13/5

Cotangent theta = 5/12

Step-by-step explanation:

Given sine theta= 12/13, cosine theta= 5/13.

According to SOH CAH TOA

Sintheta = Opposite/Hypotenuse = 12/13

Cosine theta = Adjacent/Hypotenuse = 5/13

Opposite = 12, Adjacent = 5, Hypotenuse = 13

Tan theta = Opposite/Adjacent = 12/5.

cosecant theta = 1/sintheta = 1/{12/13}

cosecant theta = 13/12

secant theta = 1/cos theta = 1/{5/13}

Secant theta = 13/5.

Cotangent theta = 1/tan theta = 1/{12/5} = 5/12

4 0
3 years ago
Whats the equation of the line?
Phantasy [73]

Answer: I believe it should be answer B

Step-by-step explanation: the x coordinate pairs with y and vice versa and if it’s positive you subtract is how I remember it.

3 0
3 years ago
If 12x +1 =-7, what’s is the value of x over 8
Sergio [31]
12x+1=-7
-1        -1
12x=-6
/12   /12

x=-1/2 or x=-0.5
8 0
4 years ago
Hence, find the smallest possible value of z such that 160 x z is a perfect square​
vodka [1.7K]

Answer:

10.

Step-by-step explanation:

I am assuming that z is a whole number.

160z = x^2

z = x^2/ 160.

160 = 2*2*2*2*2*5

To make this a perfect square we multiply by 2 * 5

- this gives us 1600.

z = 1600/160 = 10.

5 0
3 years ago
Write the equation of the line that passes through the points 3,3 4,-1
Vinil7 [7]
It would be y= -4x+15
7 0
3 years ago
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