3 years ago

Solve 3/4 - x/8 = -1

Mathematics

2 answers:

puteri [66]3 years ago

8 0

Answer:

x=14

Step-by-step explanation:

Sonbull [250]3 years ago

7 0

Answer:

I love algebra anyways

The ans is in the picture with the steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

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Kobotan [32]

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It would be 120

Step-by-step explanation:

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3 years ago

One-third of the difference of a number and nine is negative fifteen. What is the number?

Tems11 [23]

hi <3

lets call the unknown number 'x' for now and form an equation from what we know

1/3(x-9) = 15

now multiply both sides by 3

x - 9 = 45

add 9 to both sides

x = 54

hope this helps :)

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Arada [10]

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Arrange the rooms in increasing order of their areas.

Doss [256]

Answer:

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Step-by-step explanation:

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3 years ago

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the tangent line to the curve y=x^3-6x^2-34x-9 has slope 2 at two points on the curve. find the two points

hichkok12 [17]

$\bf y=x^3-6x^2-34x-9\implies \cfrac{dy}{dx}=3x^2-12x-34
\\\\\\
\stackrel{\textit{slope of 2}}{2}=3x^2-12x-34\implies 0=3x^2-12x-36
\\\\\\
0=x^2-4x-12\implies 0=(x-6)(x+2)\implies x=
\begin{cases}
6\\
-2
\end{cases}\\\\
-------------------------------\\\\
\stackrel{y}{f(6)}=(6)^3-6(6)^2-34(6)-9\implies f(6)=-213\\\\\\ (\stackrel{x}{6}~,~\stackrel{y}{-213})
\\\\\\
\stackrel{y}{f(-2)}=(-2)^3-6(-2)^2-34(-2)-9\implies f(-2)=27\\\\\\ (\stackrel{x}{-2}~,~\stackrel{y}{27})$

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3 years ago