Step-by-step explanation:
Part C: Of the following choices, which equation is the best fit line for the data
As we can see from the data, the population size are decreased year by year, so the slope of the line of best fit must be a negative number.
So we have: C and D left.
Let x = 0, year 2005, the population size is 296 around 320, hence, we choose D.
D f(x) = -34x + 320
Part D: What is the predicted population size for the year 2010? How does that compare to the real data? Round to the nearest million.
year 2010, x =5 so let substitute x =5 into f(x) = -34x + 320
<=> f(x) = -34*5 + 320
= 150 mil
The result is smaller than the real data, (201-150 = 51 mil)
Part E: In what year is the population predicted to go extinct
the population predicted to go extinct when f(x)= 0
<=> -34x + 320 = 0
<=> x ≈ 9.4
So after 10 years, the the population predicted to go extinct
Answer:
x = 9
Step-by-step explanation:
A midpoint is found by adding up two numbers and then dividing by 2 (Also known as an average). Therefore, a midpoint marks half of a line. That means that DP is 1/2 of DE. We can now form an equation. 6x + 4 = 1/2 * (14x - 10), making 6x + 4 = 7x - 5 by using the distributive property. Next, isolate x by subtracting by 6x on both sides and adding by 5 on both sides. You would get x = 5 + 4, which means that x = 9.
Twice the value of x is 2x, because it’s x with another x added on top (x + x = 2x)
Eight less than that is 2x - 8. That’s because you are taking away 8 from 2x (less than = subtraction).
Therefore your final expression is 2x - 8.
The answer is: 2y^2-20y+12
The answer is m<span>m.
1 m = 0.001 km
</span><span>3.219 m = 0.003219 km
</span><span>
1 m = 10 dm
</span>3.219 m = 32.19 dm<span>
1 m = 100 cm
</span>3.219 m = 321.9 cm<span>
1 m = 1,000 mm
</span>3.219 m = 3,219 mm<span>
</span>
