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forsale [732]
3 years ago
13

Which equations have no real solution but have two complex solutions?

Mathematics
1 answer:
agasfer [191]3 years ago
7 0

Answer:

Here you go - IM NOT 100% SURE THESE ARE RIGHT

Step-by-step explanation:

1. 2 complex solutions

2. 1 complex solution

3. 1 complex solution

4. no complex solutions

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PLEASE PLEASE PLEASE HELP! Please explain step by step!! Please please I'll give enough points!
ArbitrLikvidat [17]
1)
The distance between points A and B is;
d= \sqrt{(x2-x1)^{2} + (y2-y1)^{2} } \\
d= \sqrt{(1-5)^{2} +(12+8)^{2}}\\ 
d= \sqrt{(-4)^{2} + (20)^{2}}\\
d=\sqrt{16+400}\\
d=\sqrt{416}\\
d=4\sqrt{26}, 
and if you wanted to you could measure out the legs of that hypotenuse using the slope between A and B, but I'm going to show you the easier way;
Δx = 4
Δy = -20
So from the midpoint, add 4 to the x-value and subract 20 from the y-value.
{(5+4),(-8-20)}
(9,-28) is the endpoint.

2)
Do the same thing as I did above;
d= \sqrt{(x2-x1)^{2} + (y2-y1)^{2} } \\ 
d= \sqrt{(5-(-3))^{2} +(5-(-4))^{2}}\\
d=\sqrt{(5+8)^{2}+(5+4)^{2}}\\
d=\sqrt{(13)^{2}+(9)^{2}}\\
d=\sqrt{169+81}\\
d=\sqrt{250}\\
d=5\sqrt{10}
So 5\sqrt{10} is the distance.

Sorry for the delay, life delayed me a ton ,:D
4 0
4 years ago
What is Qualitative Data and what is the discreate and Continuous in qualitative data?
boyakko [2]

Answer:

Qualitative data is the data that is not represented by numbers, for example, favorite food or country.

On the other hand, the quantitative data is represented by numbers and it is classified as discrete and continuous. The discrete data is the data that only can take specific values, for example, the number of people is always a whole number, there can't be 5.5 people. The continuous data is the data that can take decimal values, for example, the mass of an object can be 4.06 kg.

6 0
1 year ago
When our brains store information, complicated chemical changes take place. In trying to understand these changes, researchers b
Rainbow [258]

Answer:

D) P-045 says that a response this small or smaller would be seen in sample data almost half the time when in fact there is no effect in the entire population of rats. That is, a response this size would often happen just by chance.

Step-by-step explanation:

The P-value represents the probability of getting the test sample results given that the null hypothesis is true.

A P-value that is low enough (smaller than the significance level) gives statistical evidence to support that the null hypothesis is not true.

In this case,  a P-value of 0.45 does not represent a strong evidence against the null hypothesis, as there is 45% of chances of getting this sample results if the null hypothesis is true.

In this case, as we talk about differences ("no difference was seen" between the two groups), we know that the sample difference has not been large enough to be proved statistically significant.

So the right answer is Option d).

8 0
3 years ago
What is 3×4y i need it ASAP
I am Lyosha [343]

Hello!

Explanation:

First, you had to do is multiply by the numbers. And don't forget to used variables.

4*3=12

3*4=12

12/4=3

12/3=4

Answer: → =12y

Hope this helps!

Thanks!

-Charlie

4 0
4 years ago
Read 2 more answers
X-3y=0 find the slope
Aloiza [94]

Answer: slope= 1/3

Step-by-step explanation:

8 0
3 years ago
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