We develop an equation for the given situation by first writing the general equation for lines,
y = mx + b
Substituting to this given the values given above,
(1990) 430 = b
(2000) 400 = m(10) + 430
The value of m from the equation in 2000 is -3. Thus, the equation of that relates the variables is,
y = -3x + 430
If you are trying to find x it is x=15-y
<span>10.What expression is equivalent to the amount Miko paid?
A) 16 + 1.18
B) 1 + 1.18(16)
C) (16 + 0.18)16
<span>D) 16 + 0.18(16)
9. </span></span>2.75
8. 22 seconds with 23 min<span>
7. </span><span>0.00892857142
6. -0.48
5. can't do it
4. 8.16 cm
3. </span>-3.42857142857
2. 8.3333
1. -1.75
Answer:
The total length is 1123 feet.
a) if the model is 30 inches long, the first thing we need to do is write inches in feets, so 1 feet is equivalent to 12 inches.
so 30 inches are 30/12 = 2.5 feets.
the scale is the ratio between the feets in the the two lengths.
1123/2.5 = 449.2
so the scale is 1:449.2
so each feet in the model is equivalent to 449.2 feets in the enterprise.
b) if the model is 2 feet long, then:
1123/2 = 561.5
the scale is 1:561.5
so each feet in the model is equivalent to 561.5 feets in the enterprise.
