What is the solution to the system of equations? {x=5y=2x−1 (5, 9) (9, 5) (5, 11) (11, 5)
2 answers:
Answer:
(5, 9)
Step-by-step explanation:
Given:
The equations to solve are:
Since the value of 'x' is given, we solve this system of equations using Substitution method.
We have to solve this by substituting in the value of 'x' from first equation into second equation.
Therefore, the second equation becomes
Therefore, the values are:
Hence, the solution is in ordered pair form is (5, 9).
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Missing number fom the series : 9, ..... , 6561, 43046721
43046721 is square of its previous number 6561, means
It means the missing number will be square of its previous number
Means , so missing number is 81. : Answer
Next : one number is 2 more than 3 times another. their sum is 22. find the numbers.
Suppose one number is x and second number is y
As per given equation, ......equation (1)
Their sum is 22 means, .......equation (2)
Putting the value of x from equation1 into equation 2
Subtracting 2 in both sides
Means numbers are 17 and 5. : Answer
Next : the missing number in the series 1, 4, 27,____, 3125 is
1 could be written as 1
4 could be written as
27 could be written as
So , next number would be
Next one is
So, the missing number is 256 : Answer
Next : the next number in the series 3, 4, 6, 7, 9, 10 is
After 3,4 (5) is mising, 6, 7 (8) is missing, 9, 10 (11) will be missing
So, next number will be 12. : Answer
Next : a farmer is planting a straight row of crops with 3 feet between each plant. if 23 are planted, what is the distance between the first and last plant?
Between 2 plants, the distance is =
Between 3 plants, the distance is =
So, between 23 plants, the distance is =
hene the distance between first and last plant woule be 66 feet. : Answer