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Oduvanchick [21]
3 years ago
7

X^2 + 5X = 0 find the solutions by factoring?

Mathematics
1 answer:
leva [86]3 years ago
5 0
Wait is that x to the power of two???
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Evaluate 5w-w/x when w=6 and x=2
Dmitry [639]
Remembering PEMDAS we solve like this
5•6=30   6÷2=3    30-3=27
27 is answer. it is easy, just replace the letter with the number and solve it
5 0
3 years ago
Read 2 more answers
689543 times 438 HELP!
Alborosie
302,019,834 is the answer to your question
8 0
4 years ago
Read 2 more answers
What's 17= z- (-9) days
Arte-miy333 [17]
Z - (-9) is the same as z + 9. Subtracting a negative is the same as adding.

Therefore 
17 = z - (-9)
is the same as
17 = z + 9

To get 'z' all by itself, we need to subtract 9 from both sides. We subtract 9 from both sides to undo the "plus 9" occurring to the 'z' on the right side.

17 = z + 9
17-9 = z + 9=9 ... subtracting 9 from both sides
8 = z
z = 8

So the answer is z = 8

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

Check:

17 = z - (-9)
17 = 8 - (-9) ... replace z with 8
17 = 8 + 9
17 = 17
Answer checks out


4 0
4 years ago
Show all work please :)
ollegr [7]

Answer: To find the inverse, interchange the variables and solve for y.

Step-by-step explanation:

f-^1 (x)= - 5x/3

8 0
3 years ago
Find the four real zeros of the polynomial. f(x) = x4 + 6x3 - 3x2 -52x - 60
OLEGan [10]
The function is 

f(x)=x^4+6x^3-3x^2-52x-60

The "zeros" of a function, are the values of x, for which f(x)=0


According to the "Rational Root Theorem", the rational roots of f, are factors of 60.

That is, when trying to find the roots of a polynomial function, it is a very good idea to first check the factors of the constant term.


All numbers shown in the choices are factors of 60, so we will solve the problem by trial:


f(2)=2^4+6\cdot2^3-3\cdot2^2-52\cdot2-60=16+48-12-104-60 \neq 0

2 is not a root, so we eliminate choices A and D, 

Choices B and C are almost equal, with only 1 different number, so let's check whether 5 is a root or not:


f(5)=(5)^4+6\cdot(5)^3-3\cdot(5)^2-52\cdot(5)-60

=625+750-75-160-60=60


but 

f(-5)=(-5)^4+6\cdot(-5)^3-3\cdot(-5)^2-52\cdot(-5)-60

=625-750-75+160-60=0

So the right choice is B
7 0
4 years ago
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