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kobusy [5.1K]
3 years ago
7

Resuelve el siguiente paralelo 27v r1 9r2 18 r37 r42

Mathematics
1 answer:
Crank3 years ago
8 0
What is the question asking?
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3 years ago
Work out the unknown angles. Give reasons for each answer.
zalisa [80]
A)

Because the sum of angles in a triangle must equal 180° we can say:

62+α+90=180

α+152=180

α=28°

b)

Since all sides have equal length, all angles must have equal measure.  (This is an equilateral triangle).  And again, because the sum of the angle must be 180° we can say:

b+b+b=180

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3 years ago
If you are going 220 feet per minute how many miles per hour​
Alenkasestr [34]

Answer:

60*220 feet = 13,000 Feet convert to Miles = 2.462121 miles/hr

Step-by-step explanation:

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3 years ago
How many bus can fit in a room
RSB [31]

Answer: depending on the size of the room and what kind of bus

Step-by-step explanation:

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3 years ago
James is selecting a marble. James chooses a marble at random and then replaces it. He then selects a second marble at random. W
tresset_1 [31]

Answer:

The probability of selecting a solid black marbles both times;

P = 9/100

Attached is the completed question;

Step-by-step explanation:

Number of solid black marbles = 3

Total number of marbles = 10

The probability of selecting a solid black marble;

P1 = 3/10

With the assumption that the marbles are replaced before next selection.

The probability of selecting a solid black marbles both times;

P = P1 × P1 = 3/10 × 3/10 = 9/100

P = 9/100

7 0
3 years ago
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