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Harrizon [31]
3 years ago
7

AB and BA name the same ray.

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0
Answer:
False

Explanation:
A ray has a starting point on one end and extends to infinity on the other end.
Now:
ray AB means that the ray has a starting point at A and extends to infinity in the direction of B
ray BA means that the ray has a starting point at B and extends to infinity in the direction of B
The attached diagram illustrates this.

Therefore, the two rays are not the same.

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Eva8 [605]
There are 4 doughnuts in 1/3 of a dozen
6 0
3 years ago
Read 2 more answers
Sketch a graph of the polynomial function f(x) =x3− 2x2. Use it to complete the following:
AlladinOne [14]

Answer:

We have the function:

f(x) = x^3 - 2*x^2

To sketch this, we need to graph some points, and then just draw a line that passes through the points.

The graph of this equation is shown below.

Now we can complete the question.

If the graph is below the x-axis in some interval, the function is negative in that interval

If the graph is above the x-axis in some interval, the function is positive in that interval.

If the graph goes up in a interval, then the function is increasing in that interval

If the graph goes down on an interval, then the function is decreasing in that interval.

Then:

1) f is------ on the intervals (−∞, 0) and (0, 2).

Here we can see that the graph is below the x-axis in those intervals, then here we have:

f is negative on the intervals (−∞, 0) and (0, 2).

2) f is------ on the interval (2,∞)

Here the answer is positive:

f is positive on the interval  (2,∞)

3) fi is ------ on the interval (0, 4/3)

In the graph, you can see that the graph goes down in that interval, then the correct answer here is:

f is decreasing on the interval (0, 4/3)

4) f is------ on the intervals (−∞, 0) and (4/3, ∞).

In this case, we can see that the graph goes up in these intervals, then the correct answer here is:

f is increasing on the intervals (−∞, 0) and (4/3, ∞).

5 0
3 years ago
2m·4b−3a·2n−0.2b·5m+n·5a−5bm+8an
cupoosta [38]

Answer:

2bm + 7an

Step-by-step explanation:

Multiply.

8bm - 6an - bm + 5an - 5bm + 8an

Combined like terms:

8bm - <em>6an</em> - bm + <em>5an</em> - 5bm + <em>8an</em>

= 2bm + 7an

8 0
3 years ago
Find the mean and the median of this data set: 8, 6, 6, 3, 72, 7, 4, 2
icang [17]

Answer:

median: 6  ;  mean: 13.5

Step-by-step explanation:

The median is where you line up the numbers from least to greatest and add the 2 that are left since it was an even number and you get 6. The mean is where you add all 8 numbers and divide by 8, since that is how many numbers there are.

5 0
3 years ago
It takes 0.5 gallon of cream to make 1 pound of butter.
worty [1.4K]

Answer:

0.5 pounds of butter.

Explanation

X pounds for 0.25 gallons.

0.5 gallon of cream - 1 pound of butter

0.25 gallons of cream - X pounds of butter

Applying cross multiplication:

0.5X = 0.25

X = 0.25 over 0.5 or 0.25/0.5

X = 0.5

Therefor, you could make 0.5 pounds of butter with 0.25 gallons of cream.

7 0
2 years ago
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