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Eddi Din [679]
2 years ago
13

Which would be the right answer???

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
5 0

Answer:

The correct answer would be 10ft

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Four less than a number is twenty
Solnce55 [7]
The answer would be 24 because 24-4 is 20
7 0
2 years ago
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Work out the length X.
ohaa [14]

Answer:

16.34

Step-by-step explanation:

Is pythagoreons Theron

256 + 11.25 = c squared

267.25 = c squared

16.34 equals approximately c

8 0
3 years ago
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When rolling two six faced dice, what is the probability the sum equal to seven?
Liono4ka [1.6K]
What you want is P(6∩1) or P(1∩6) or P(2∩5) or P(5∩2) or P(3∩4) or P(4∩3).
The events of rolling the dice are independent (i.e. they don't affect one another) so:
E.g.
P(6∩1) = P(6) * P(1)
P(2∩5) = P(2) *  P(5)
The probability of getting a given number on a roll is 1/6 for both dice.
So:
P(6∩1) = 1/6 * 1/6 = 1/36
This is the same for any arrangement of numbers you could get from rolling two dice.
So, we can see that there are 6 arrangements of numbers that will give a sum of 7 and so that is 6 * 1/36 = 6/36 = 1/6
5 0
3 years ago
Simplify the expression 8y+y-5y
IRINA_888 [86]

Hello

8y+y-5y = 9y- 5y =4y

or  8y+y-5y = y(8+1-5) =y (9-5)  = y(4) =4y

4 0
2 years ago
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A word processing program requires a user to enter a 7-digit registration code made up of the digits 1,2,4,5,6,7 and 9. Each num
ahrayia [7]
For the first digit there are 7 choices. For the second digit there are 6 choices (because we can't use the same one again). And so on, until there is only one choice for the last digit.

The number of possible codes is this:
7*6*5*4*3*2*1 = 7! = 5040
6 0
2 years ago
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