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belka [17]
4 years ago
9

What is the imaginary number

Mathematics
2 answers:
Sphinxa [80]4 years ago
7 0

Answer:

i

Step-by-step explanation:

you have nothing for us to solve so if you need the definition of it just let me know, but it is represented by the letter "i"

atroni [7]4 years ago
4 0
Options please???? Not sure
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3 years ago
Graph the following lines and using the graph determine several values of x for which the graph is positive (negative): y=−4x+3
True [87]

Answer:


Step-by-step explanation:

Given line is,

y=-4x+3

when, x=-1 , y=-4(-1)+3=4+3=7

when, x=0 , y=-4(0)+3=0+3=3

when, x=1 , y=-4(1)+3=-4+3=-1

So, we got the points  (-1,7) , (0,3) , (1,-1)

Now, putting the points in the graph and adding them , we will get the graph of given line.

Please check image for the graph.


Now for the second part-

The graph is positive means- it will be above the x-axis, that is y value will be positive.

From the graph we can see that, if x<0 , then y is positive.

So, any value of x which is less than 0 , will give the positive graph here.

6 0
4 years ago
There are 25 questions on your math test. You have completed 5 questions so far. What fraction of the total questions do you sti
maksim [4K]

Answer:

\frac{4}{5}

Step-by-step explanation:

If you have completed 5 questions, you still have 25-5=20 more questions to answer. We need to find what fraction 20 is of 25, if that makes sense. A fraction is simply a part over a whole. In this case, the part is 20 and the whole is 25. Therefore, the fraction we are looking for is \frac{20}{25}, which simplifies to \frac{4}{5}. Hope this helps!

6 0
3 years ago
Read 2 more answers
In simplest form, what is (4/5)²-2/5​
Leviafan [203]

Answer:

0.24

Step-by-step explanation:

4/5=0.8

0.8 to the power of 2 or 0.8*0.8= 0.64

2/5=0.4

0.64-0.4= 0.24

6 0
3 years ago
HELP!!! how do you solve for x and y in the following equations using substitution??
Tanzania [10]
Y=-2x+10 and y=1/2x+5
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3 years ago
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