Let's call the number of rows 'R' . (Clever ?)
There are (3x -2) trees in each row, and there are 'R' rows,
so the total number of trees is [ R times (3x-2) ].
But the problem told you that the total number of trees is (24x-16).
So
R(3x - 2) = (24x - 16)
For a quick, happy ending, how about factoring '8' out of the right side:
R(3x - 2) = 8(3x - 2)
Is it jumping out at you yet ?
If not, then divide each side by (3x - 2) :
<em> <u> R = 8</u></em>
There are eight (8) rows of trees.
Answer:
109 seals
Step-by-step explanation:
Let
x -----> approximate total seals in the area
we know that
In a survey, you count 58 seals, 16 of which were marked
Using proportion
Find out how many seals are in the area , if there are 30 marked seals
Round to the nearest whole number
Answer:
Use the property of condensation of logarithmic function
Given,
Slope-intercept form: y=mx+b, with m being the slope and b being the y-intercept. First, plug in the given slope into the slope form:
y=2x+b
Now, given the coordinates (1,4), you can plug the coordinates into the equation for x and y respectively, to solve for b (the y-intercept).
4=2(1)+b
4=2+b
Subtract 2 from both sides.
2=b
The y-intercept is 2.
Now, plug that into the equation:
y=2x+2
The answer is y=2x+2.
I hope this helps :)
