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Ksenya-84 [330]
4 years ago
14

Solve this equation with variable 8-5x=4x-1

Mathematics
2 answers:
eimsori [14]4 years ago
6 0

Answer:

x= -1

Step-by-step explanation:

5x = 4x - 1

-4x  -4x

1x = - 1

---    ---

1      1

x = -1

Check work:

5(-1) = 4(-1) - 1

-5 = -4-1

-5=-5

dybincka [34]4 years ago
4 0

Answer:

x = 1

Step-by-step explanation:

  9 - 9x  =   -9 • (x - 1)

   Solve :    -9   =  0

     Solve  :    x-1 = 0

Add  1  to both sides of the equation : x=1

     

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9514 1404 393

Answer:

  14.4

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The Pythagorean theorem tells you ...

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5 0
3 years ago
Nvm I don’t need anymore thanks anyways
solniwko [45]

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6 0
3 years ago
Sarah mowed 3 lawns in 9 hours what is her rate of mowing in hours per lawn?
pochemuha

Answer:

Sarah mowed 1 lawn in 3 hours

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
In the equation f(x) = (3x + 5) (x2 - 6x + 9)2 = 0, 3 has a multiplicity of ______.
Svetradugi [14.3K]
Multiplicity is how many times the root (or zero) is repeated

example, in f(x)=a(x-b)^n(x-d)^m... the root b has a multiplicity of n and the root d has a multiplicity of m

first we need to get the roots into f(x)=a(x-b)^n(x-d)^m
for (3x+5), we need to force factor out the 3 to get
3(x+\frac{5/3})

factor the other one
(x^2-6x+9)=(x-3)(x-3)=(x-3)^2
but it is (x^2-6x+9)^2 which is equivilent to ((x-3)^2)^2 which simplifies to (x-3)^4

so we get
f(x)=3(x+\frac{5}{3})(x-3)^4
so the roots are -5/3 multiplicity 1 and 3 multiplicity 4


3 has a multilicity of 4
7 0
4 years ago
Can someone help me on this ?<br><br> 6 ÷ 2 [ 1 + 2 ] = ????
Anarel [89]

Answer: 9

Step-by-step explanation:  6 ÷ 2 [ 1 + 2 ]

                                               6 ÷ 2 [ 3 ]

                                               (3)(3)

                                               9

                                               

3 0
3 years ago
Read 2 more answers
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