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Ratling [72]
3 years ago
8

Find the area of a trapezoid, given bases 10.2cm and 12.2cm and side 12.6cm

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0
1/2 x (10.2 + 12.2) x 12.6 = 141.12 cm^2
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Standard form allows you to easily find the y-intercept and determine if the parabola is concave up or down. Also, if it is not factorable, then it is in the correct form to apply the quadratic formula to find the x-intercepts.
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You are drawing two cards, without replacement, from a standard deck of 52 cards. What is the
Serga [27]

Answer:

Dear student,

Answer to your query is provided below

Probability of drawing a 2 at first is (4/52) = (1/13)

Probability of drawing a face card in second try without replacement = 12/51

Step-by-step explanation:

Total no. Of cards = 52

Total no. Of cards of 2 = 4

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Prob. Of drawing face card = 12/51

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3 years ago
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sleet_krkn [62]

Answer:

try 00.1

Step-by-step explanation:

6 0
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Which of the following are like terms to the term 2x (which more than one apply?
GuDViN [60]
-2x and 4x
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6 0
3 years ago
A certain statistic d hat is being used to estimate a population parameter D. The expected value of d hat is not equal to D. Wha
enot [183]

Answer:

the correct option is E. d is biased.

Step-by-step explanation:

As given,

The expected value of d hat is not equal to D.

We know that,

The unbiased-ness is the property that tells the expected value of d is equal to D

So, the correct option is E. d is biased.

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