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masha68 [24]
2 years ago
15

5x is equal to 8X raise to power - 1/3​

Mathematics
1 answer:
goldenfox [79]2 years ago
7 0

Answer:

No solutions.

Step-by-step explanation:

5x = 8x^-1/3

Divide 8 into both sides.

5/8x = x^-1/3

Divide both sides by x.

5/8 = x^-4/3

Multiply both sides by the exponent -3/4.

5/8^-3/4 = x

1.422624 = x

Plug in 1.422624 for x to check.

It does not work. There are no real solutions.

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Pablo simplified the expression (2 Superscript negative 4 Baseline) Superscript negative 2 as shown.
Lady_Fox [76]

Answer:

<h3>He should have found 8 as the exponent, not –8.</h3>

Step-by-step explanation:

Given the expression simplified by Pablo as (2^{-4})^{-2}

On simplification we have;

According to one of the law of indices (a^{m})^{n} = a^{mn}

Applying this law to the question will give;

(2^{-4})^{-2}\\=2^{-4*-2}  \\\= 2^{8}

Based on the calculation above, the exponent of 2 is 8 which means that Pablo should have found 8 as the exponent, not –8.

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3 years ago
Can't figure out how to set this up
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Step-by-step explanation:

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3 years ago
Find the value of x.
weqwewe [10]

Answer:

147

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
When or how do you use them to solve for the answer
mojhsa [17]

Answer:

a) Δt = vf - vi ÷ a

b) (a × Δt) + vi = vf

4 0
2 years ago
The rational expression fraction numerator x squared plus 6 x minus 7 over denominator x squared plus 9 x plus 14 end fraction s
Thepotemich [5.8K]

The simplification of rational expression (x²+6x-7)/(x²+9x+14) gives

(x-1)/(x+2). 

<h3>What is factorisation?</h3>

A polynomial or integer is simply resolved into components that, when multiplied together, produce the original or starting polynomial or integer.

  • The factorization method allows us to simplify any algebraic and quadratic equation by representing the equations as that of the product or factors rather than by expanding the brackets.
  • Any equation can have an integer, a variable, or the algebraic expression itself as a factor.

The given expression is -

= (x²+6x-7)/(x²+9x+14)

Factorising both numerator and denominator;

= {x+7x-x-7} / {x+7x+2x+14}

= {x(x+7)-(x+7)} / {x(x+7)+2(x+7)}

= {(x+7)(x-1)} / {(x+7)(x+2)}

Cancel the (x+7),

= (x-1)/(x+2)

Therefore, the simplification of the given equation is (x-1)/(x+2).

To know more about factorisation, here

brainly.com/question/11579257

#SPJ4

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