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vfiekz [6]
3 years ago
14

What are all real square roots of .027​

Mathematics
1 answer:
mario62 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

The principal, real, root of:

^{2} \sqrt{0.027}

= 0.164316767

All roots:

0.164316767

−0.164316767

0.027 is not a perfect square

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What value of a in the equation ax − 4 = 2y would give a line with a slope of 2?
sukhopar [10]

Answer:

a=4

Step-by-step explanation:

ax − 4 = 2y

We need to get the equation is slope intercept form  y= mx+b.

Lets solve for y

Divide each side by 2

a/2 x - 4/2 = 2y/2

a/2 x -2 = y

or y=a/2 x -2

The slope is a/2 and the y intercept is -2

We want a slope of 2  so a/2 =2

a/2=2

Multiply each side by 2

a/2 * 2 =2*2

a =4

3 0
3 years ago
11/12 divided by 4 as a fraction
otez555 [7]

Answer: 11/48

Step-by-step explanation:

(11/12) / 4 = 11/12 * 1/4 = (11*1)/(12*4) = 11/48

4 0
3 years ago
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The table shows the number of books donated to a library each month. Suppose the growth continues exponentially.
telo118 [61]
\bf \begin{array}{ccll}
\stackrel{t}{months}&\stackrel{A}{books}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
0&80\\
1&100\\
2&125
\end{array},    we know that on Month 0, the Books were 80

\bf \qquad \textit{Amount for Exponential Growth}\\\\
A=I(1 + r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &80\\
I=\textit{initial amount}\\
r=rate\to r\%\to \frac{r}{100}\\
t=\textit{elapsed time}\to &0\\
\end{cases}
\\\\\\
80=I(1+r)^0\implies 80=I\qquad therefore\qquad \boxed{A=80(1+r)^t}

we also know that on the first month there were 100 books,

\bf \qquad \textit{Amount for Exponential Growth}\\\\
A=I(1 + r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &100\\
I=\textit{initial amount}\\
r=rate\to r\%\to \frac{r}{100}\\
t=\textit{elapsed time}\to &1\\
\end{cases}
\\\\\\
100=80(1+r)^1\implies \cfrac{100}{80}=1+r\implies \cfrac{5}{4}=1+r
\implies 
\cfrac{5}{4}-1=r
\\\\\\
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now, how many books when t = 8?   A=80(1+0.25)⁸, or A=80(1.25)⁸.
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3 years ago
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Simplify 4x(2x3-7x2+x)
Gelneren [198K]
To simplify this all you need to do is distribute the 4x across each term in the parenthesis
4x(2x^3 - 7x^2 + x) \\ (4x)(2x^3) - (4x)(7x^2) + (4x)(x) \\ 8x^4 - 28x^3 + 4x^2
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What is 218,742 rounded to the nearest hundred thousand?
xxMikexx [17]

Answer:

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Step-by-step explanation:

its easy and simple lol

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