Answer:
y = -5x + 8
Step-by-step explanation:
Equation of a line: y = mx + b
x = slope
b = y-intercept or starting point
Slope = y^2 - y^2/x^2 - x^1
Slope = -12 - 43/4 - (-7)
Slope = -55/11
Slope = -5
b = y - y^1 = m(x - x^1)
b = y - 43 = -5(x - (-7))
b = y - 43 = -5x - 35
Add 43 to both sides
y = -5x + 8
Enter the cycle number, n, in the x column and the
number of radioactive atoms in the y column.
When you finish, resize the window.
DON
Answer:
The answer is C.
Step-by-step explanation:
825-735 is 90.
830-755 is 75.
90-75 is 15 meaning Drew beat Kurt by 15 minutes.
Subtract the 2nd row from the 1st row
5x = 5
Solve for x in the equation above
x = 1
Substitute x = 1 into any of the two equations above
Let's pick the first equation; 4x + 3y = -5
4 * 1 + 3y = -5
Solve for y in the equation above
y = -3
Therefore,
<u>x = 1</u>
<u>y = -3</u>
Its the third pair of inequalities
b 26 < n < 30
so n = 28
the 3 numbers are 28, 30 and 32
