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gtnhenbr [62]
3 years ago
5

Can someone help me!!!

Mathematics
2 answers:
Alex3 years ago
8 0

Answer:

Step-by-step explanation:

\frac{x}{3}+\frac{2}{5}  =\frac{1}{15} \\\\\frac{x}{3} =\frac{1}{15} -\frac{2}{5} \\\\\frac{x}{3} =\frac{1-10}{15}\\\\x=\frac{-9}{15}*3=\frac{-9}{5}

alexira [117]3 years ago
8 0
The answer to this equation is -9/5
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Cement pillars for a porch or 2 feet wide, 2 feet thick, and 8 feet tall, there are six pillars in all what is the total volume
PolarNik [594]
(8)(2)(2)=32
32(6)=192
Final answer: 192ft^3
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3 years ago
What is x5/3x + 1/3x=10+7/3x
Pie

Answer:

x=6/25      or     decimal = x=-0.24

Step-by-step explanation:

7 0
3 years ago
Which of the equations below could be the equation of this parabola?
nirvana33 [79]

Answer:

 y=-4x^2  is the equation of this parabola.

Step-by-step explanation:

Let us consider the equation

y=-4x^2

\mathrm{Domain\:of\:}\:-4x^2\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

\mathrm{Range\:of\:}-4x^2:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)\le \:0\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:0]\end{bmatrix}

\mathrm{Axis\:interception\:points\:of}\:-4x^2:\quad \mathrm{X\:Intercepts}:\:\left(0,\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:0\right)

As

\mathrm{The\:vertex\:of\:an\:up-down\:facing\:parabola\:of\:the\:form}\:y=a\left(x-m\right)\left(x-n\right)

\mathrm{is\:the\:average\:of\:the\:zeros}\:x_v=\frac{m+n}{2}

y=-4x^2

\mathrm{The\:parabola\:params\:are:}

a=-4,\:m=0,\:n=0

x_v=\frac{m+n}{2}

x_v=\frac{0+0}{2}

x_v=0

\mathrm{Plug\:in}\:\:x_v=0\:\mathrm{to\:find\:the}\:y_v\:\mathrm{value}

y_v=-4\cdot \:0^2

y_v=0

Therefore, the parabola vertex is

\left(0,\:0\right)

\mathrm{If}\:a

\mathrm{If}\:a>0,\:\mathrm{then\:the\:vertex\:is\:a\:minimum\:value}

a=-4

\mathrm{Maximum}\space\left(0,\:0\right)

so,

\mathrm{Vertex\:of}\:-4x^2:\quad \mathrm{Maximum}\space\left(0,\:0\right)

Therefore,  y=-4x^2  is the equation of this parabola. The graph is also attached.

7 0
3 years ago
With 1 ≤ |a| < 10 and N is an integer.
Elena-2011 [213]
So a times 10^n where 1≤|a|<10 and n is an integer is what i learned


so

a.
234=
2.34 times 100=
2.34 times 10²


b.
0.000052=
5.2 times 1/100000=
5.2 times 10⁻⁵



c.
-220000=
-2.2 times 100000=
-2.2 times 10⁵


d.  ok, so just count the spaces moved to the left
-18.2 times 10⁻¹⁵
6 0
3 years ago
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shepuryov [24]

Answer:

Step-by-step explanation:

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+.2x+=+55+

+x+=+275+

3 0
2 years ago
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