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1 year ago

Pls help.

Mathematics

1 answer:

malfutka [58]1 year ago

3 0

Answer:

See below

Step-by-step explanation:

(x,y ) will transform to ( y, -x)

so all of the coordinates will be (clockwise from top left)

5,-2 5,-4 4,-4 4,-3 2,-3 2,- 2

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How to rank linear functions

Maurinko [17]

In linear algebra, the rank of a matrix

A is the dimension of the vector space generated (or spanned) by its columns.[1] This corresponds to the maximal number of linearly independent columns of

A. This, in turn, is identical to the dimension of the vector space spanned by its rows.[2] Rank is thus a measure of the "nondegenerateness" of the system of linear equations and linear transformation encoded by

A. There are multiple equivalent definitions of rank. A matrix's rank is one of its most fundamental characteristics.

The rank is commonly denoted by

rank

⁡

(

)

{\displaystyle \operatorname {rank} (A)} or

⁡

(

)

{\displaystyle \operatorname {rk} (A)}; sometimes the parentheses are not written, as in

rank

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{\displaystyle \operatorname {rank} A}.

4 0

3 years ago

Find the product for 1.29 x 5.4<br><br> show work please <3.

Afina-wow [57]

Answer:

6.966

Step-by-step explanation:

•Mark how many you have in the d.p

•If there is two or more add them up

•Multiply like normal given numbers

•Write where the decimal point is to be

Hope that helps

4 0

3 years ago

Read 2 more answers

48. Reading Rates The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words per minute a

son4ous [18]

Answer:

The reading speed of a sixth-grader whose reading speed is at the 90th percentile is 155.72 words per minute.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 125, \sigma = 24$