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malfutka [58]
3 years ago
14

How many different triangles can be constructed with three angles, each measuring 60°

Mathematics
1 answer:
Sav [38]3 years ago
5 0

I think your answer would be A

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In an average of 65 minutes if a train stops at three stations for two minutes each and the distance is 115 miles between stops
larisa86 [58]

Answer:

117mph

Step-by-step explanation:

Given that

Total number of stations= 3

Total average time of journey of train = 65

total stop time at three stations = 3×2 =6 min

Total distance between stops = 115 miles

as we can see

Total time train was travelling = 65- 6 =59 min

so, average speed of train can be calculated as:

Average Speed = \frac{Distance -travelled-between -stations}{Total-time-the-train-travelled}

Average Speed = \frac{115}{59} =1.95 miles/minute

To convert this speed into miles per hour (mph) multiply the above speed by 60

Average speed = 60×1.95 =117 mph

So the average speed of train is 117mph.


3 0
3 years ago
A fair die is cast, a fair coin is tossed, and a card is drawn from a standard deck of 52 playing cards. Assuming these events a
dem82 [27]

Answer:

The probability is 0.0192 to four decimal places.

Step-by-step explanation:

In this question, we are asked to calculate the probabilities that three events will occur at the same time.

Firstly, we identify the individual probabilities.

The probability of 6 showing In a throw of die is 1/6

The probability of a coin showing head in a flip of coin is 1/2

The probability of a face card being drawn in a deck of cards is 12/52( There are 12 face cards in a deck of cards)

Mathematically to get the probability of all these events happening, we simply multiply all together.

This will be ;

1/6 * 1/2 * 12/52 = 1/52 = 0.0192 ( to 4 decimal place)

7 0
3 years ago
Read 2 more answers
Represent each of these temperatures in degrees Fahrenheit with a positive or negative number.
Anuta_ua [19.1K]
5 degrees above is 5°F
3 degrees below is -3°F
6 degrees above is 6°F
2 3/4 below is -2.74°F
5 0
3 years ago
Help me out with this please
kakasveta [241]

Answer:

i think it is a but not shour

Step-by-step explanation:

7 0
2 years ago
The friendly old woman sold 38 long-
dem82 [27]

Answer:

Step-by-step eWrite 2.9 as  

2.9

1

Multiply both numerator and denominator by 10 for every number after the decimal point

2.9 × 10

1 × 10

=  

29

10

Reducing the fraction gives

29

10xplanation:

3 0
3 years ago
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