Answer:
d. Ore treated with the new process.
Step-by-step explanation:
This is a common practice in statistics, in which we use a sample of a population to infer something about the entire population. We should use a sample of 100.
For example, if we want to know the proportion of residents of Buffalo, New York, who are Bills fans, we are going to take a sample of like, 100 residents, and then use this to estimate for the entire city.
In this problem, we have that:
A new process that is supposed to increase the recovered amount is being tested. In a simple random sample of 100 batches of ore, an average of 42 pounds per ton were recovered using the new process.
So the population of interest is the ore treated with new process. We use a sample of 100 to gather information about the entire population.
So the correct answer is:
d. Ore treated with the new process.
1. I suppose the ODE is supposed to be

Solving for
gives

which is undefined when
. The interval of validity depends on what your initial value is. In this case, it's
, so the largest interval on which a solution can exist is
.
2. Separating the variables gives

Integrate both sides. On the left, we have

where we substituted
- or
- and
- or
.

On the right, we have


So




I'll leave the solution in this form for now to make solving for
easier. Given that
, we get



and so our solution is

Since you are given that the triangle are similar, by definition of similar, we know that corresponding angles are congruent and corresponding sides are proportional.
The ORDER of the similarity statement is paramount.
Triangle ABC is similar to triangle EDC means that:
Angle A = Angle E
Angle B = Angle D
Angle C = Angle C
Angle B = 62 degrees so Angle D = 62 degrees.
4 1/8 - 2 3/8= (3 9/8-2 3/8)=1 6/8
2 2/8+ 2 3/8= 4 5/8
no
If she used 2 2/8 yards of fabric she should have 1 6/8 left not 2/38
She would have had to bought 4 5/8 yards of fabric to have 2 2/8 left.
Answer:
12,6,0,-6,-12
Step-by-step explanation:
Plug the x values into the equation
y=-3x
y=-3(-4)=12
y=-3(-2)=6
y=-3(0)=0
y=-3(2)=-6
y=-3(4)=-12