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vova2212 [387]
3 years ago
15

Find the value of x. x√5=x^4​

Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

x=0,\sqrt[6]{5}

Decimal form,

x=0,1.30766048......

Step-by-step explanation:

x\sqrt{5}=x^{4}

x\sqrt{5}-x^{4}=0

(take x as a common factor)

x(\sqrt{5}-x^{3})=0

So,

x=0 and \sqrt{5}-x^{3}=0

for \sqrt{5-x^{3}=0

(add x^{3} for both sides)

\sqrt{5}=x^{3}

x=\sqrt[3]{\sqrt[2]{5} } (multiply 3 by 2)

x=\sqrt[6]{5}

So,

x=0,\sqrt[6]{5}

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Perfect pizza has 16 toppings listed on their menu. how many ways could a customer choose a pizza that contains 5 different topp
marishachu [46]

Answer:

4368 ways

Step-by-step explanation:

Use nCk for this. 16C5. This is \frac{n!}{(n-k)!(k!)}. This becomes\frac{16!}{(11!)(5!)}. This is \frac{16*15*14*13*12}{5*4*3*2*1} due to 16! and 5! canceling out. This becomes 4368.

3 0
2 years ago
Can you write a binomial in standard form with a degree of 0? Can you write a binomial with a degree of 3? Explain.
8090 [49]
Not possible. but degree of 3 would be (3x^2+5x) i think

8 0
3 years ago
What is the rule for finding the vertex of a formula in Standard form? Use that rule to
worty [1.4K]

The vertex is the minimum or the maximum point of the parabola.

<em>x and f(x) represent the horizontal and the vertical coordinates of the vertex.</em>

<em />

The standard form of a parabola is

f(x) = ax^2 +bx + c

The x coordinate of the parabola is calculated using:

x  =-\frac{b}{2a}

The value of the x-coordinate is then plugged in, into the equation to calculate the y-coordinate, as follows:

f(\frac{b}{2a}) = a(-\frac{b}{2a})^2 + b(-\frac{b}{2a}) + c

At the end of the calculation,

x and f(x) represent the horizontal and the vertical coordinates of the vertex.

Take for instance:

f(x) = 2x^2 + 4x - 9

The x-coordinate of the vertex is:

x = -\frac b{2a}

x = -\frac 4{2 \times 2}

x = -\frac 44

x=-1

The y-coordinate is:

f(x) = 2x^2 + 4x - 9

f(-1) =2 \times (-1)^2 + 4 \times -1 - 9

f(-1) =-11

So, the vertex of f(x) = 2x^2 + 4x - 9 is (-1,11)

See attachment for illustration of vertex of f(x) = 2x^2 + 4x - 9

Read more about vertex of parabola at:

brainly.com/question/20209326

5 0
2 years ago
In rectangle ABCD, if the coordinates of A are (0, 0) and of C are (r, s), find the coordinates of B and D.
goldenfox [79]

Answer:

Answers are (r,0) and (0,s)

Step-by-step explanation:

Given that in a rectangle ABCD, one vertex is the origin (0,0) A

The opposite vertex C is having coordinates as (r,s)

Since a rectangle has angle 90 we have x axis as one side and y axis as other side.

Length = r and width =s (since coordinates of C are (r,s))

Hence other coordinate B on x axis would be = (r,0)

and D on y axis = (0,s)

Answers are (r,0) and (0,s)

3 0
3 years ago
Read 2 more answers
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Dahasolnce [82]

The answer is 4

steps listed above

4 0
3 years ago
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