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Paul [167]
3 years ago
11

It’s midnight and I’m so confused someone please help or I’m going to summer school lol

Mathematics
2 answers:
spin [16.1K]3 years ago
6 0

Answer:

Question is not clear from image

is it (6-4) there if yes then 204/25 is the answer

vladimir2022 [97]3 years ago
4 0
BESTIE I GOT YOU the answer is 54/25
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1.What is the shape of the graph of any quadratic function?
likoan [24]

Answer:

Inverted parabola

Two complex solution

Step-by-step explanation:

any quadratic equation can be expressed in terms of ax^2 + bx + c = 0

It has two solutions which can be found using formula X =( -b + \sqrt{b^2 -4ac} )/2a \\or  \ ( -b - \sqrt{b^2 -4ac} )/2a

We know that  for any value inside the square root function

if it is positive its solution will be real number

for example  \sqrt{9} we can have two real solution -3 and 3

if it is negative its solution will be complex number

for example  \sqrt{-9}we can have two complex solution

expressed in term of a + ib or a - ib

------------------------------------------------------------------------------------------

Given in the problem

we have  ax^2 - bx + c

so its solution will be

X =( -(-b) + \sqrt{b^2 -4ac} )/2a \\or  \ ( -(-b) - \sqrt{b^2 -4ac} )/2a\\\\X =( b + \sqrt{b^2 -4ac} )/2a \\or  \ ( b - \sqrt{b^2 -4ac} )/2a\\

Since in this expression it is given in problem statement that b^2 - 4ac < 0 which will be a negative number and for negative number, its square root is complex number.

also X has two values as given above it will have two solution

hence it will have two complex solution based on above discussion.

Also for any quadratic equation shape of its curve if plotted on coordinate plane is parabolic.

If it has complex solution then curve of such expression  will not pass through X axis

7 0
3 years ago
Which function has the same range as y=csc x?
Natasha_Volkova [10]
Since cosecant is 1/sine and since cosine is just sine shifted by π/2, the reciprocal of the cosine, that is y = sec x must have the same range. 
7 0
4 years ago
Read 2 more answers
The value of the square root of 82 is between which two integers?
zaharov [31]
The answer: 9 and 10 or 8 and 9
8x8=64
9x9=81
10x10=100
They are close by 18 so If it’s only an answer I would go for 8 and 9
8 0
4 years ago
The expression 4x^2 represents <br><br> (4x)(4x)<br><br> (4)(x)(x)<br><br> (4)(x)(2)
Helga [31]

The answer is (4)(x)(x) because it’s 4 times 2 x’s

8 0
3 years ago
Read 2 more answers
Suppose a standard twelve-hour clock now shows a time of 10:45 what time will the clock show in a 100 hour from now
o-na [289]
It should show 2:45. You can use 12 hr increments to get you back to 10:45 and 12 goes into 100 nine times bringing it to 96. Because of that you have 4 more hours to add to 10:45 and that brings you to 2:45.
4 0
3 years ago
Read 2 more answers
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