3 years ago

How to to this problem

Mathematics

1 answer:

bulgar [2K]3 years ago

7 0

Can you post a clearer picture?

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If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a num

malfutka [58]

Answer:

The standard deviation will be: 2.1

Step-by-step explanation:

We know that standard deviation is basically the square root of variance.

Using the formula to calculate the standard deviation

$s=\sqrt{s^2}$

The variance = s² = 4.4

so the standard deviation can be calculated as:

standard deviation $=\sqrt{s^2}$

$=\sqrt{\left(4.4\right)^}$

$=2.1$

Therefore, the standard deviation will be: 2.1

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3 years ago

Which equation is not equivalent to the other two

Liula [17]

Answer:

y=-4-3x

Step-by-step explanation:

y = -3x - 4

y = -3x + (-4)

y = -4 + 3x

y = -4 - 3x

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3 years ago

I need help ASAP plsss

Nutka1998 [239]

x would be 102° . hope it helps

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3 years ago

What is the area of a circle with radius of 1 foot

kozerog [31]

Answer:

pift^2(or your third option) is the area of a circle with a radius of 1.

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Since only 2 of the 50 states are not connected to the mainland, what percentage of the states ARE on the mainland?

Nitella [24]

Answer:

96%

Step-by-step explanation:

too easy for me

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3 years ago