3 years ago

Solve for x: x(8 + 2) + 3 = 2(5 + x) + 5(x + 1) − 6

Mathematics

1 answer:

antoniya [11.8K]3 years ago

6 0

Answer:

x=2

Step-by-step explanation:

Hopefully these steps will help u!!!

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Anyone good at exterior angles of triangles ? I WILL MARK THE BRAINLIEST ANSWER

Bas_tet [7]

Answer:

Answer B and F are correct.

Step-by-step explanation:

$angle \: 3 \: \: and \: \: \: angle \: \\ \: \: 4 \: \: \: \: are \: \: \: the \: \: exterior \\ angles \: \: \: \: in \: this \: \: traingle$

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6 0

3 years ago

Solve the system of equations.<br> х+ Зу = 0<br> 15y = -5x<br> HELPPPPPO PLSSSSS

strojnjashka [21]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

Read 2 more answers

Given f(x) = 1/3(9 + x), what is the value of f(-12)?

Pavlova-9 [17]

Substitute x with -12
1/3(9+(-12) = 1/3(-3)
the answer is -1

4 0

4 years ago

Helpppppppppp please

eduard

You know b=-6 and since you know this, you can plug -6 in for b.

This would become 4(-6) + 6 divided by 6.

You can then multiply 4 and -6 together,

-24 + 6 / 6

You can then add -24 and 6 together,

-18/6

You can then divide -18 by 6,

-18/6=-3

-3 is your final answer

7 0

4 years ago

Read 2 more answers

what is the exact circumference of the base of a cone that has a volume of 1014 pi in^3 and a height of 18 in.

Evgen [1.6K]

$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\quad 
\begin{cases}
r=radius\\
h=height\\
-----\\
V=1014\pi \\
h=18
\end{cases}\implies 1041\pi =\cfrac{\pi \cdot r^2\cdot 18}{3}
\\\\\\
1041\pi =6\pi r^2\implies \cfrac{1041\pi }{6\pi }=r^2\implies \cfrac{347}{2}=r^2\implies \boxed{\sqrt{\cfrac{347}{2}}=r}\\\\
-------------------------------\\\\
\textit{circumference of a }\stackrel{cone's}{circle}\\\\
C=2\pi r\qquad \qquad C=2\pi \left( \boxed{\sqrt{\cfrac{347}{2}}} \right)$

8 0

3 years ago