2 years ago

In the definition of fractional numbers, b ≠ 0. Why?

Mathematics

1 answer:

Nataliya [291]2 years ago

6 0

I have no idea. Just commenting to get the answer when someone else knows it

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erik [133]

Answer:

Step-by-step explanation:

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2 years ago

What is the solution set of the equation?<br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%20-18%2B9x%3Dx" id="TexFormula1"

bagirrra123 [75]

9514 1404 393

Answer:

x ∈ {2.07014981016}

Step-by-step explanation:

The equation can be rewritten as ...

√x = 18-8x

x = 324 -288x +64x²

64x² -289x +324 = 0

x = (289 ±√577)/128 ≈ {2.07015, 2.44548}

Since √x must be positive, we know that ...

18 -8x ≥ 0

x ≤ 18/8 = 2.25

The larger of the above solutions is extraneous, so the solution set is ...

x ∈ {(289 -√577)/128} ≈ {2.07015}

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2 years ago

A glass dome for a lighting fixture is in the shape of a hemisphere. The circumference of the great circle of the hemisphere is

Alona [7]

Answer:

A and B

Step-by-step explanation:

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3 years ago

The length of a rectangle is 5t+6 and its height is t^6 , where t is time in seconds and the dimensions are in inches. Find the

Nataly_w [17]

$\bf \textit{area of a rectangle}\\\\
A=l\cdot w\qquad 
\begin{cases}
l=length\\
w=width\\
-----\\
l=5t+6\\
w=t^6
\end{cases}\implies A(t)=(5t+6)t^6
\\\\\\
A(t)=5t^7+6t^6\implies \cfrac{dA}{dt}=35t^6+36t^5$

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3 years ago

The following data represent weights (pounds) of a random sample of professional football players on the following teams. X1 = w

alexandr1967 [171]

I don't have an idea of what the answer is to be honest.

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2 years ago