Answer:
2•15k
Step-by-step explanation:
Answer:
x = -1/4, y = 5/4.
Step-by-step explanation:
Because of the absolute value equation y = |x - 1| the value of y must be positive.
Solving x - 1 = 3x + 2 :
2x = -3
x = -3/2 and y = -5/2 so x= -3/2 is not a solution.
x - 1 xcan also be negative so we have the equation
- (x - 1) = 3x + 2
1 - x = 3x + 2
-1 = 4x
x = -1/4
y = 1 - - 1/4 = 5/4.
Since both equations equal y they need to equal each other.
2x - 5 = -3x + 10
Add 3x to both sides:
5x -5 = 10
Add 5 to both sides
5x = 15
Divide both sides by 5
X = 3
Now solve for y by replacing x with 3:
Y = 2(3)-5 = 6-5 = 1
Y = -3(3)+ 10 = -9+ 10 = 1
Check: replace y with 1 and solve for x:
1 = 2x -5
Add 5 to both sides
6 = 2x
Divide both sides by 2
X = 3 ( True)
Answer:
300,000
40,000
7,000
300
90
2
Step-by-step explanation:
When you expand a number to show the value of each digit, you're writing that number in expanded form. Writing numbers in expanded form just means that you're showing the value of each digit in the number. With the exception of zeroes, the larger the number, the longer its expanded form will be.
A direct variation means that y=kx, where k is constant.
-12=k(-4)
3=k
Plug in the known y value
24=3x
8=x
Final answer: 8
