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3 years ago

If the standard deviation of a set of data is 6, what is the value of the variance?

Mathematics

1 answer:

Serga [27]3 years ago

7 0

Answer:the value of the variance is 36

Step-by-step explanation:

The formula for determining variance is

Variance of a set of data = square of the standard deviation. If the standard deviation of a set of data is 6, then the value of the variance would be

Standard deviation^2 = 6^2 = 36

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Lelechka [254]

Answer:

Vertex - (2, -1)

Axis of Symmetry - x = 2

X intercept - (3,0) (1, 0)

Y intercept (0, 3)

Domain - (negative infinity, positive infinity)

Range - [-1, infinity)

Step-by-step explanation:

I graphed with desmos and found it.

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1 year ago

Describe the transformations that map A onto the point A”.

dexar [7]

Answer:

Step-by-step explanation:

(x, y) -----> (x + 4, y - 1)

Adding 4 to the x means you move right 4. Subtracting 1 from the y means you move down one.

The next transformation (-(x + 4), y - 1)

If you look at the x coordinate and the transformation that is being applied

(-(x+4) that negative means you are taking the opposite of the x coordinate.

When you take the opposite of the x coordinate, it means you reflect it over the y axis.

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2 years ago

Find the coordinates of a point in Quadrant 3 that makes the following triangles congruent. Triangle GHJ: G(1,−6), H(2,−5), J(2,

Jobisdone [24]

Answer:

(-6, -5)

Step-by-step explanation:

<u>Plot the points first:</u>

Triangle GHJ: G(1,−6), H(2,−5), J(2,1)

Triangle NOP: N(−6,1), O(−5,2)

Missing Point P is in quadrant 3and its coordinates are (-6, -5) as per symmetry with triangle GHJ.

4 0

3 years ago

If log6⁡⁡3+log6⁡⁡72=x, what is the value of x?

soldi70 [24.7K]

$\bf \textit{logarithm of factors}\\\\
log_{{ a}}(xy)\implies log_{{ a}}(x)+log_{{ a}}(y)
\\\\\\
\textit{Logarithm Change of Base Rule}\\\\
log_{{ a}}{{ b}}\implies \cfrac{log_{{ c}}{{ b}}}{log_{{ c}}{{ a}}}\\\\
-------------------------------\\\\
log_6(3)+log_6(72)=x\implies log_6(3\cdot 72)=x\implies log_6(216)=x
\\\\\\
\cfrac{log(216)}{log(6)}=x\impliedby \textit{using the change of base rule}$

recall that, log <--- with no apparent base, implies base10, so you can just plug that in your calculator

for the change of base rule, it doesn't really matter what base you use, so long is the same above and below, it just so happen, that we used base10 in this case, but could have been anything, same result.

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3 years ago

Help please...........

Marrrta [24]

A point I hope this helps

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3 years ago