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Oksi-84 [34.3K]
4 years ago
7

Solve the triangle ABC given B=78◦51, AC=22.31mm and AB= 17.92mm. Find also its area.

Mathematics
1 answer:
Korolek [52]4 years ago
8 0

Answer:

what are the options

Step-by-step explanation:

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He goodness of fit is measured by χ2. This statistic measures the amounts by which the observed values differ from their respect
Murrr4er [49]

Answer:

Step-by-step explanation:

Hello!

Table is attached.

1) Purple stem/short petals.

(o-e)= 220-225= -5

(o-e)²= (-5)²= 25

(o-e)²/e= 25/225= 1/9

2) Green stem/short petals

(o-e)= 210-225= -15

(o-e)²= (-15)²= 225

(o-e)²/e= 225/225= 1

3) Purple stem/ long petals

(o-e)= 231-225= 6

(o-e)²= (6)²= 36

(o-e)²/e= 36/225= 4/25

4) Green stem/ long petals

(o-e)= 239-225= 14

(o-e)²= (14)²= 196

(o-e)²/e= 196/225 (≅ 0.871)

To reach the statistic value you have to add the four values obtained in the last row:

X²= 1/9+1+4/25+196/225= 482/225≅ 2.142

I hope you have a SUPER day!

4 0
4 years ago
Help please thank you
Leni [432]

Answer:

$1.61 is the answer

5 0
3 years ago
Need help with school please help
Brums [2.3K]

Answer:

26

Step-by-step explanation:

The triangle equals 180 degrees the two measurements we already have is 90 degrees (the right angle) and 64 degrees.

90+64=154 and 180-154=26.

So 26 is your answer because 90+64+26=180

Hope this helps!

8 0
3 years ago
8 less than one third a number n is -13
Firlakuza [10]

Answer:

7

Step-by-step explanation:

4 0
3 years ago
Please help i have to have this assignment turned in tonight
den301095 [7]

Answer:

No

Step-by-step

(1,5)

5(1)-(5)>0

0>0 is wrong

7 0
3 years ago
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