Jered's parents are going to repaint their house. They need to select two colors to complete the job. If they previously narrowed their decision down to six colors, how many combinations of two can they choose from?
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3 is the correct answer
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San Pablo is having a festival. Tickets for children under 12 cost $2, adult tickets are $6 and senior citizen tickets are $3. One sixth of the tickets sold were children’s tickets. The 40 senior citizens with tickets sat in the shade under the trees and watched the children play. Half the people attending the festival purchased adult tickets. How much money was collected from ticket sales?
Find two consecutive odd integers whose sum is 176
Multiplayer choice pls help!!
Which of these numbers below are exactly divisible by nine 107, 513, 944, 126, 802
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A line has two points ( point A & point B), also a line has two endpoints. A plane in where two points are on a surface but they’re not on the same line or connected by a ray etc.
Please give the answer with explanation
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a) Yes, The average speed of the train could have been greater than 145 km/h,
b) the new maximum average speed, correct to 2 decimal places, is approximately 2.46 km/minute.
a) To determine if the average speed of the train could have been greater than 145 km/h, we need to calculate the maximum possible average speed given the track length rounded to the nearest 10 km.
The track length is 290 km, rounded to the nearest 10 km. This means the actual track length could be anywhere between 285 km (290 km - 5 km) and 295 km (290 km + 5 km).
To find the maximum average speed, we'll assume the train took the minimum possible time (120 minutes) to cover the maximum possible track length (295 km):
Maximum Average Speed = (Maximum Possible Track Length) / (Minimum Possible Time)
Maximum Average Speed = 295 km / 120 minutes ≈ 2.4583 km/minute (rounded to 4 decimal places)
Since 2.4583 km/minute is greater than 145 km/h (which is approximately 2.4167 km/minute), the answer is:
Yes, the average speed of the train could have been greater than 145 km/h.
b) Now that we know the track was measured to the nearest 5 km, we'll calculate the new maximum average speed in km per minute based on the maximum possible track length (295 km) and the minimum possible time (120 minutes):
Maximum Average Speed = (Maximum Possible Track Length) / (Minimum Possible Time)
Maximum Average Speed = 295 km / 120 minutes ≈ 2.4583 km/minute (rounded to 4 decimal places)
So, the new maximum average speed, correct to 2 decimal places, is approximately 2.46 km/minute.
Learn more about average speed here:
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i... There are 13 spade cards and then 3 other aces since there are 4 suits of cards so 16/52 or about 0.30769 or 30.8% rounded
ii....There are 2 reds of each card in a standard deck along with 2 blacks so there would be 2 red kings which would be a 2/52 chance or about 0.0384 or 3.8% rounded
iii.... There are 4 kings and 4 queens in each deck so (52-8)/52 which is a 44/52 chance, 0.8461 about, or 84.6% rounded
iv..., As I said in iii, there are 8 kings and queens so an 8/52 chance, about 0.1538, or 15.4% rounded
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first find common denominators 36 so you multiply -5/12 by 3 and 7/9 by 4 to get -15/36-28/36 to get -43/36
e^x=3.4
2^x+6=3