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likoan [24]
3 years ago
5

True or false: the standard deviation is the square root of the variance.

Mathematics
1 answer:
Vilka [71]3 years ago
6 0
Why not look up "standard deviation" yourself, to be sure?  But yes, the std. dev. is the sqrt of the variance.
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How many times larger is 2⁴⁵ than 2⁴²​
andre [41]

Answer:

hi

Step-by-step explanation:

2⁴⁵÷2⁴²=2³

2³=8

hope it helps

have a nice day

7 0
3 years ago
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Which is true regarding the graphed function f(x)?
mojhsa [17]
F(5) = -1 would be the correct answer.
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Identify each figure in as many ways as possible
sattari [20]
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5 0
3 years ago
Find slope for 2x+5y=8?
Nitella [24]
First thing, you need to transform this equation to the form of y = ax + b

So you get:
2x + 5y = 8
5y = -2x + 8
y =  -\frac{2}{5} x +  \frac{8}{5}

In the form of y = ax + b, a is the slope.
In y = -\frac{2}{5} x + \frac{8}{5}, you can see "- \frac{2}{5} x", and always the number before x is the slope
So, the slope of 2x + 5y = 8 is - \frac{2}{5}

Hope this Helps :)
7 0
3 years ago
Read 2 more answers
Diego was trying to write (5^2)^4 with a single exponent and wrote (5^2)^4=5^2+^4=5^6. What should the answer be? Explain Diego'
o-na [289]

Answer:

5^8

Step-by-step explanation:

Diego added the exponents. This was an error. If he was simplifying

5^2 × 5^4, then he could add the exponents and get a correct answer. But his problem had a power raised to a power. In this case, you multiply the exponents to simplify.

(5^2)^4 means

5^2×5^2×5^2×5^2

which is

5×5×5×5×5×5×5×5

which is 5^8.

4 0
2 years ago
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