Step-by-step explanation:
Count the number of x's in each column.
There are 6 lots with 1/6 acre.
There are 3 lots with 1/3 acre.
There are 6 lots with 1/2 acre.
So the total area is:
A = 6(1/6) + 3(1/3) + 6(1/2)
A = 1 + 1 + 3
A = 5
The builder bought a total of 5 acres.
Answer:
Step-by-step explanation:
<u>Step 1: Distribute
</u>
Answer:
<u>If needed solve for b
</u>
Answer:
Step-by-step explanation:
xy = k
where k is the constant of variation.
We can also express the relationship between x and y as:
y =
where k is the constant of variation.
Since k is constant, we can find k given any point by multiplying the x-coordinate by the y-coordinate. For example, if y varies inversely as x, and x = 5 when y = 2, then the constant of variation is k = xy = 5(2) = 10. Thus, the equation describing this inverse variation is xy = 10 or y = .
Example 1: If y varies inversely as x, and y = 6 when x = , write an equation describing this inverse variation.
k = (6) = 8
xy = 8 or y =
Example 2: If y varies inversely as x, and the constant of variation is k = , what is y when x = 10?
xy =
10y =
y = × = × =
k is constant. Thus, given any two points (x1, y1) and (x2, y2) which satisfy the inverse variation, x1y1 = k and x2y2 = k. Consequently, x1y1 = x2y2 for any two points that satisfy the inverse variation.
Example 3: If y varies inversely as x, and y = 10 when x = 6, then what is y when x = 15?
x1y1 = x2y2
6(10) = 15y
60 = 15y
y = 4
Thus, when x = 6, y = 4.
2nd answer choice
constant of variation is xy. XY=23. If X=7 then Y=23/7.
Answer:
The circumference of the yellow circle is 
or 
approximately, the circumference of the blue circle is 
or 
approximately, the circumference of the green circle is 
or 
approximately, the circumference of the red circle is 
or 
approximately, and the circumference of the pink circle is 
or 
approximately.
Step-by-step explanation:
To find the circumference of a circle, you need to multiply the diameter of the circle and multiply it by 
. In this case, the circumferences of the yellow circle are or approximately , the circumference of the blue circle is or approximately , the circumference of the green circle is or approximately , the circumference of the red circle is or approximately , and the circumference of the pink circle is or approximately .
