Answer: 48
Step-by-step explanation:
Put numbers in order- 18,35,42,54,55,57
Then find the numbers in the middle, 42 and 54.
Find the aveage of those two numbers to find the median- 48
I hope this helps!
Is there a picture? Because I am not sure if it’s a rectangle or not
Answer:
C. I wear my raincoat if and only if it's raining
-1 + 2 = 1
-1 -1 = -2
-1 x -1 = 1
1 x -10 = -10
9514 1404 393
Answer:
(x, y) = (1/2, 5)
Step-by-step explanation:
We observe that the y-terms have coefficients 7 and -14. If we want to eliminate the y-terms, we need to multiply 7 by a factor that makes it be the opposite of -14. That factor will be -(-14)/7 = 2.
After multiplying the first equation by 2, we have ...
- 16x +14y = 78
- 4x -14y = -68
Adding these two equations gives ...
20x = 10
Solving for x, we need to divide by 20:
x = 10/20 = 1/2
Substituting this into the first equation, we get ...
8(1/2) +7y = 39
7y = 35 . . . . . . subtract 4
y = 35/7 = 5 . . . divide by 7
Then the solution is (x, y) = (1/2, 5).
_____
<em>Check</em>
We used the first equation to find y, so we know the x- and y-values satisfy the first equation. We need to check the result using the second equation.
4(1/2) -14(5) = -68
2 -70 = -68 . . . . . . . true; result checks OK
