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tamaranim1 [39]
2 years ago
8

DO THIS AND I WILL GIVE U 50 POINTS PLEASE DO IT FAST I WILL GIVE EXTRA 50 IF U DO IT

Mathematics
2 answers:
Ray Of Light [21]2 years ago
6 0

Answer:

Ok

Step-by-step explanation:

Ok, please give me the question

Finger [1]2 years ago
5 0

Answer:

I can't download it!

Step-by-step explanation:

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(a) Use the fundamental theorem of algebra to determine the number of roots for 2x^2 + 4x + 7
zysi [14]

Answer:

Step-by-step explanation:

A 2nd order polynomial such as this one will have 2 roots; a 3rd order polynomial 3 roots, and so on.

The quadratic formula is one of the faster ways (in this situation, at least) in which to find the roots.  From 2x^2 + 4x + 7 we get a = 2, b = 4 and c = 7.

Then the discriminant is b^2 - 4ac, or, here, 4^2 - 4(2)(7), or -40.  Because the discriminant is negative, we know that the roots will be complex and unequal.

Using the quadratic formula:

       -4 ±√[-40]         -4 ± 2i√10

x  = ------------------ = ------------------

                4                       4

                                       -2 ± i√10

Thus, the roots are x = ------------------

                                               2

4 0
3 years ago
What’s is the answer to Simplify 3^5 • 3^4
Mariana [72]

3^9

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A painter earns $15 per hour.What is the minimum number of hours he must work to earn at least $200?
babunello [35]
12 hours in order to make 200 dollars
5 0
3 years ago
The expression p/x^2 - 5x +6 simplifies to x+4/x-2. Which expression doees p represent?
gladu [14]
We know that
(ad)/(bd)=d/d time a/b=a/b since d's cancel
also
if a/b=c/d in simplest form, then a=c and b=d

we have
p/(x^2-5x+6)=(x+4)/(x-2)
therefor

p/(x^2-5x+6)=d/d times (x+4)/(x-2)
p/(x^2-5x+6)=d(x+4)/d(x-2)

therefor
p=d(x+4) and
x^2-5x+6=d(x-2)

we can solve last one
factor
(x-6)(x+1)=d(x-2)
divide both sides by (x-2)
[(x-6)(x+1)]/(x-2)=d
sub


p=d(x+4)
p=([(x-6)(x+1)]/(x-2))(x+4)
p= \frac {(x-6)(x+1)(x+4)}{(x-2)}

7 0
3 years ago
Two ocean beaches are being affected by erosion. The table shows the width, in feet, of each beach at high tide measured where 1
sergeinik [125]

Answer:

10 and 11

Step-by-step explanation:

7 0
3 years ago
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