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balandron [24]
1 year ago
8

Which algebraic expression is equivalent to the expression below?

Mathematics
1 answer:
fredd [130]1 year ago
3 0

Answer:

D

it is equivalent to the expression

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Explain how to do this
Lera25 [3.4K]
Average of 2 numbers is 40
so total = 2 x 40 = 80

300 - 80 = 220

average of remaining 10 numbers = 220/10 = 22

answer
B) 22
6 0
3 years ago
If you roll two four-sided dice numbered 1, 2, 3, and 4), what is the probability that the sum of the dice is 7? Enter a fractio
Anna [14]
The probability that the sum of the dice is 7 is 1/2 because there are only three combinations that result in the sum of 7: (1,6)(2,5) and (3,4). But there are 6 possible outcomes( this is if you don’t add reverse combinations such as 1,6 and 6,1) so the probability would be 3/6 or 1/2
8 0
3 years ago
Kurt used the rule add 4,subtract 1 to generate a pattern.the first term in his pattern is 5.wich number could it be
anastassius [24]
__ 5 __, __

the first would be 2 
after 5 is 8
after 8 is 11

Hope this helps!!!
3 0
3 years ago
What must be the value of n ?
jarptica [38.1K]

Answer:

Since we have a^7 on the Numerator and after simplification... No "a" was left in the expression. It simply means that all a's in the numerator was eliminated and 2a's were left in the denominator.

To eliminate a^7 and still have 2a's as a remainder in the denominator... 'n' must be equal to 9

So

n=9

3 0
3 years ago
What would be the total area of a piece of land that was made up of three squares that each has a side length of 4x-2?
Darya [45]

Answer:

48x^2-48x+12

Step-by-step explanation:

3(area of square)

3(w^2)

3((4x-2)^2)

3(16x^2-16x+4)

48x^2-48x+12

4 0
3 years ago
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