Step-by-step explanation:
Let's say S is the number of small boxes and L is the number of large boxes.
S + L = 26
7S + 13L = 254
Solve the system of equations using substitution.
7S + 13(26 − S) = 254
7S + 338 − 13S = 254
84 − 6S = 0
S = 14
L = 26 − S
L = 12
The company shipped 14 small boxes and 12 large boxes.
The slope intercept form is
.
Solution:
Given data: slope =
and y-intercept = –1
y-intercept means (x, y) = (0, –1)
Equation of a line for slope intercept form: 
Here,
and
.
⇒ 
⇒ 
Do cross multiplication.
⇒ 
⇒ 
⇒ 
Divide both sides of the equation by 4.
⇒ 
⇒ 
Hence the slope intercept form is
.
Answer:
116
Step-by-step explanation:
To find f(12), plug in 12 as x in the equation:
f(x) = 2/3x + 9x
f(12) = 2/3(12) + 9(12)
f(12) = 8 + 108
= 116
So, f(12) = 116
Answer:
Slope: 2x
Y-intercept: -4