D=426-48(21)
I got 18 days.
So, D=18
Hope this helps! :)
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Answer:
Maria (I THINK)
Step-by-step explanation:
Tanya is running 70 yards in all, while maria would be running more based on the pythagorean theorem
The pythagorean theorem is that on a right triangle, the square root of the two legs equal the hypotenuse
40^2+ 70^2 =c^2
6500=c^2
square root both sides
and roughly c= 80.6 yards so maria runs more
(Im not sure it is a right angle though?)
To answer this, we need the original equation.
A. Finding the slope
The slope of the function is simply the ratio of the value
of the dependent variable over the independent variable, so in this case it is:
slope = 6/ 3 = 2
B. Finding the y – intercept
The y – intercept is simply the value of the dependent
variable when the independent variable is equal to zero, therefore:
y – intercept (b) = 4
C. Finding the function of the graph
The general equation of a line is given as:
y = m x + b
where m is the slope and b is the y intercept therefore:
y = 2 x + 4
D. Finding the x – intercept
The x – intercept is simply the value of the independent
variable (x) when the dependent variable (y) is equal to zero, therefore:
0 = 2 x + 4
x = - 2
E. Graph the function
<span>Check out the image attached</span>