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Norma-Jean [14]
3 years ago
15

A zoo is keeping track of the weight of a baby elephant.the table shows the weight for the first, second, third, and fourth week

s. Which graph could represent the data shown in the table?

Mathematics
2 answers:
True [87]3 years ago
5 0

Hello!

I would say the second option, because it looks like the most reasonable one.  The third and fourth options decrease, but we can see by the chart that in fact, the weight increases. Also, it wouldn't be the first option, because its showing that the wight is always constant and rate doesn't change. However, we can see that this is wrong and the rate actually does change.  Therefore, the second option looks like the most reasonable for this chart.

Hope this helps!

ryzh [129]3 years ago
5 0

Answer:

The second graph

Step-by-step explanation:

The table shows that as the weeks go by the baby elephant increases the weight which means that we will have an upward curve. This leads to eliminate options three and four. Then, we can see that the increases in weight are not proportial each week as the second week the increase was by 21, the third 16 and the fourth 10. This indicates that number one is not correct as it shows that each week the increase is by the same amount. So, the correct option is the second graph that shows that each week there is an increase in weight but it is smaller when the weeks go by.

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A system for tracking ships indicated that a ship lies on a hyperbolic path described by 5x2 - y2 = 20. the process is repeated
zysi [14]
Answer:
The ship is located at (3,5)

Explanation:
In the first test, the equation of the position was:
5x² - y² = 20 ...........> equation I
In the second test, the equation of the position was:
y² - 2x² = 7 ..............> equation II
This equation can be rewritten as:
y² = 2x² + 7 ............> equation III

Since the ship did not move in the duration between the two tests, therefore, the position of the ship is the same in the two tests which means that:
equation I = equation II

To get the position of the ship, we will simply need to solve equation I and equation II simultaneously and get their solution.

Substitute with equation III in equation I to solve for x as follows:
5x²-y² = 20
5x² - (2x²+7) = 20
5x² - 2y² - 7 = 20
3x² = 27
x² = 9
x = <span>± </span>√9

We are given that the ship lies in the first quadrant. This means that both its x and y coordinates are positive. This means that:
x = √9 = 3

Substitute with x in equation III to get y as follows:
y² = 2x² + 7
y² = 2(3)² + 7
y = 18 + 7
y = 25
y = +√25
y = 5

Based on the above, the position of the ship is (3,5).

Hope this helps :)
8 0
3 years ago
A class contains 3 female and 9 male students. Find the probability that a student chosen at random is a male, and then a second
sammy [17]
9 +3 =  12 students

9 are male
 1st = 9/12 = 3/4
2nd = 8/11

3/4 * 8/11 = 6/11

 Answer = D) 6/11
8 0
3 years ago
Find a counterexample for the statement. <br> If p is prime, then p2 + 4 is prime.
uysha [10]
P=2 then 2^2+4=8
P=11 then 11^2+4=125
7 0
3 years ago
Sara put 7 boxes in her closet. Each box is for holding a different type of seashell. So far, there are 0 shells in each box. Ho
user100 [1]

Given that Sara put 7 boxes in her closet.

So number of boxes = 7

Then it says that each box is for holding a different type of seashell. So far, there are 0 shells in each box.

So the number of seashell in 1 box = 0


We need to find about how many shells does Sara have.

To find that we will just multiply (number of boxes) by (number of seashell in 1 box). Which is given by 7 times 0.


we know that product of a number and 0 is always 0.

Hence final answer is 0 seashell.

3 0
3 years ago
Factor the polynomial: 6x^2 + x - 35
umka21 [38]

Answer:

= (2x+5)x(3x-7)

Step-by-step explanation:

3 0
2 years ago
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