3 years ago

Which data set has the same standard deviation as the data set {2, 2, 5, 6, 8} ?

Mathematics

1 answer:

Lunna [17]3 years ago

7 0

Answer:

{3, 3, 6, 7, 9}

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Y=x+3 <br> 2x+y=-6<br> Find the solution :

Charra [1.4K]

Answer:

Your solution is (-3,0)

Step-by-step explanation:

Hi,

We know what Y is, so we can plug it into the second equation.

2x + y = -6

2x + (x + 3) = -6

Now, add the like terms...

3x + 3 = -6

3x = -9

x = -3

Now, plug x back in to find y.

y = x + 3

y = (-3) + 3

y = 0

Your solution is (-3,0)

Hope this helps :)

3 0

3 years ago

In order for the table below to show exponential decay, what must the value of d be in the table below?

Eduardwww [97]

Let x represent the domain
Let y represent the range.

Assume that y =a*b⁻ˣ

Set x=0:
a*b⁰ = 32
a = 32

Set x=1:
32*b⁻¹ = 24
32 = 24b
b = 32/24

Set x=2:
d = 32*(32/24)⁻²
= 32*(24/32)²
= (32*24*24)/(32*32) = 24²/32 = 576/32
= 18

Answer: 18

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3 years ago

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vichka [17]

Answer:

B is the answer

Step-by-step explanation:

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Tara standing 20 feet from a tree and the angle of elevation is 72°. About how tall is the tree?