2 years ago

Which of the following is not a congruence theorem or postulate?

Mathematics

2 answers:

Olin [163]2 years ago

7 0

Answer:

C.) AA

Step-by-step explanation:

AA is a similarity theorem

hope this helps stay safe :)

Zanzabum2 years ago

3 0

Answer:

The answer would be C.

Step-by-step explanation: Hope this helps :)

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The variance of a stock's returns can be calculated as the:

Tamiku [17]

Answer:

The correct option is b.

Step-by-step explanation:

The formula for standard deviation is

$\sigma^2=\frac{\sum {(x-\overline{x})^2}}{n}$

where, $\overline{x}$ is mean of the data and n is number of observation.

The variance of a stock's returns can be calculated by the above formula.

Variance of stock's returns is the average value of squared deviations from the mean.

Therefore the correct option is b.

4 0

3 years ago

Graph the equation<br>y=-(x+2)^2+7

ELEN [110]

Step-by-step explanation:

Distribute:

=−x2+−4x+−4+7

Combine Like Terms:

=−x2+−4x+−4+7

=(−x2)+(−4x)+(−4+7)

=−x2+−4x+3

Answer:

=−x2−4x+3

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2 years ago

What is the solution of 10=|7-3x|

Tom [10]

$10=|7-3x| \\ 7-3x=10 \vee 7-3x=-10\\ 3x=-3 \vee 3x=17\\ x=-1 \vee x=\dfrac{17}{3}$

5 0

2 years ago

A test that is valid must have scores that fit a normal curve A be reliable B be normed on a random sample C predict future beha

sasho [114]

Answer:

A: be reliable

Step-by-step explanation:

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2 years ago

Write 2 numbers that round to 480 when rounded to the nearest 10.

OLga [1]

Step-by-step explanation:

First, 480 rounded to the nearest ten is:

480

second 480 rounded to the nearest ten is 481

6 0

2 years ago