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professor190 [17]
2 years ago
6

Sarah described the following situation:

Mathematics
1 answer:
Nataly_w [17]2 years ago
6 0

Answer: B.) This is an example of causation but not correlation.

Step-by-step explanation: Causation is a cause and effect, because fertilizer was added to one plant, it's leaf color was improved.

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Pilar says that two linear systems below have the same solution. (see picture) Is she correct? Explain.
wariber [46]
The first set:

3x + 2y = 2  ---1)
5x + 4y = 6  ---2)

From 1), multiply all by 2, 6x + 4y = 4  ---3)

3) - 2),

6x + 4y - (5x + 4y) = 6 - 4
6x + 4y - 5x - 4y = 2
x = 2

Sub in x = 2 into 1),

3(2) + 2y = 2
2y = -4
y = -2

(2 , -2)


The second set:

3x + 2y = 2  ---1)
11x + 8y = 10  ---2)

From 1), multiply all by 4, 12x + 8y = 8 ---3)

3) - 2),

12x + 8y - (11x + 8y) = 8 - 10
12x + 8y - 11x - 8y = -2
x = -2

From this x value alone, we can tell that these two linear systems do NOT have the same solution as they meet at different coordinates.

Hope this helped! Ask me if there's any working from here that you don't understand! :)

5 0
3 years ago
Read 2 more answers
Triangle has sides that measure 33 cm, 65 cm, and 56 cm. Is it a right triangle? Explain
Orlov [11]
Yes, by Pythagoras: Larguest side² = other side² + other side² (65²=33²+56²).






3 0
3 years ago
If f(x) = -2x^2 + 1 and g(x) = 3x, evaluate f(x) / g(x) for x = 2
adelina 88 [10]
I think that the answer is A.
3 0
3 years ago
Given the equation y=2x+3, write a second equation that would create an independent consistent linear system
STALIN [3.7K]

Two equations will be called independent if their graphs touch only on one point (they have one solution for the x-value and one solution for the y-value), and two equations will be dependent if they touch at every point (there is an infinite number of solutions).

This definition of independent and dependent equations is shown in the following diagram. Consider that there are two lines, one red line and one blue line:

They are independent if they touch only on one point and dependent if they touch at every point (they are the same line).

In our case, we are asked to write an equation in order to create an independent consistent linear system.

Note: Consistent means that the system has a solution.

First, we graph the given equation:

y=2x+3

There are many different equations that will form an independent consistent linear system with this equation.

We are going to choose the following line equation:

y=-x+1

Because when we graph this equation next to the previous line:

We can see that they touch at one point, thus there is a solution and the system is independent --> we have created an independent consistent linear system.

Answer:

y=-x+1

3 0
10 months ago
How far off the ground is Antoine or adriane after riding for 15 seconds? Substitute x=15 into your equation from question 5
agasfer [191]

Answer:

kdkidn ir ejido la la la ayudara a las dos ángulos congruentes y q

8 0
2 years ago
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