"y varies directly as x" means y = kx
you do not know what k is yet, other than that it is some constant number.
Now plug in the given values, y=12 when x=4, in the equation
12 = 4k
=> k = 3
Now rewrite the equation with the k value you just found
y = 3k
Substitute 18 in place of x
y = 3(18)
y = 54
Answer:
The sales tax is $59.84.
Step-by-step explanation:
8/100 = 0.08
0.08 * 748 = 59.84
Answer:
Two trapezoids labeled V R A S and B U W D. Sides B U and V R contain one tick mark. Sides B D, U W, V S, and R A each contain two tick marks. Sides A S and W D each contain three tick marks. The angles represented by vertex letters U, B, R, and V each contain two tick marks. The angles represented by vertex letters D, W, S, and A each contain one tick mark.
Answer:
It's right :)
Explanation:
- Dilation along the x-axis = (-7-1)/(-1-1) = 2/8 = 1/4
- Dilation along the y-axis = (-7-1)/(-1-1) = 2/8 = 1/4
Thus, the overall dilation is 1/4
