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Aloiza [94]
3 years ago
13

The three inside angles (A B and C) of a right angled triangle are in the ratio 7:18:11

Mathematics
1 answer:
tester [92]3 years ago
8 0

Answer:

what do the answer choices say?

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Plz help fasttttt plessssssssss ill mark the right one brainlyest :v
olga_2 [115]

Answer:

They answer is D.

Step-by-step explanation:

Hope this helps. Have a nice day!

4 0
3 years ago
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If observed frequencies are 5,10,15 and expected frequencies are each equal to 10 then chi square value is
lina2011 [118]

Answer:

5

Step-by-step explanation:

Given :

Observed values = 5, 10, 15

Expected freqencies = 10

χ² = Σ(observed - Expected)² / Expected

χ² = (5-10)²/10 + (10-10)²/10 + (15-10)²/10

χ² = 25/10 + 0/10 + 25/10

χ² = 2.5 + 0 + 2.5

χ² = 5

5 0
3 years ago
–11 • 55 =will award brainliest
sineoko [7]

Answer:

-605

Step-by-step explanation:

7 0
3 years ago
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consider the following simplified algebraic expression 10x²y+6x²-7y²-6 which could be the original expression​
slava [35]

Answer:

You technically can't do anything with it since it the algebraic expression doesn't factor.

Step-by-step explanation:

3 0
3 years ago
Please help, will mark brainliest
dem82 [27]

Answer:

34.6= b

Step-by-step explanation:

a^2 + b^2 =c^2

13^2+b^2= 37^2

169+b^2= 1369

-169            -169

b^2 = 1200

\sqrt{b} = \sqrt{1200\\

b= 34.6

5 0
3 years ago
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