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Yanka [14]
3 years ago
11

The Sum of The Angles in a Triangle please help

Mathematics
1 answer:
padilas [110]3 years ago
7 0

Answer:The measure of angle C is 50°

Step-by-step explanation:

The sum of all inside angles must add up to 180°

80+50=130

130+C

C=50

130+50=180

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Rachel found the masses of three rocks for a science project. The first rock had a mass of 19.28 grams, the second rock had a ma
nikitadnepr [17]

1st rock = 19.28 grams

2nd rock = 25.30 grams

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Subtract:

3rd rock mass  - combined mass of 1st and 2nd rock 

46.30 - 44.58 = 1.72 grams

1.72 grams greater was the mass of the 3rd rock than the combined mass of the two rocks.


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4 years ago
You volunteer to help drive children at a charity event to the zoo, but you can fit only 7 of the 18 children present in your va
yulyashka [42]

The answer is 19,448 different groups, using the formula from permutation and combinations C (n, r) = (n!) / (r! (n-r)!) which calculates the number of times where r objects can be chosen from n object.

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C (17,7) = (17*16*15*14*13*12*11) / (7*6*5*4*3*2*1) = (98017920)(5040)

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4 years ago
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Answer:

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8 0
2 years ago
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3 years ago
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