-3x - 8 = 50 Anyone know how to solve this by elimination?

Mathematics

2 answers:

Sever21 [200]3 years ago

7 0

-14!!
explanation it’s bc I’m smart :)

nikklg [1K]3 years ago

4 0

-14 should be the answer

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PLS HELO THANK YOUUUUU

baherus [9]

Answer:

divide 500 by 125.

You get 4x = 568

Answer is 142

Happy Learning

3 0

2 years ago

between 1995 and 2006, the population of samburg, usa(in thousands) can be modeled by f(x) = 0.35x(squared) - 2.1x+15.8 where x=

Juli2301 [7.4K]

$\bf f(x)=0.35x^2-2.1x+15.8\qquad 
\begin{cases}
x=\textit{year since 1995}\\
f(x)=\textit{population amount}
\end{cases}$

the equation is a quadratic one, and it has a positive coefficient on the leading term, meaning, is opening upwards, so it has a "burrow" for the vertex.

the minimum or lowest point for a quadratic opening upwards is, well, the vertex point :), the "x" value is the year, the "y" or f(x) value is the population, we're asked for the year, or the x-coordinate of the vertex

well $\bf \begin{array}{llll}
f(x)=&0.35x^2&-2.1x&+15.8\\
&\quad \uparrow &\quad \uparrow&\uparrow \\
&\quad a&\quad b &c
\end{array}
\\\\

\\\\
\qquad \textit{vertex of a parabola}\\ \quad \\
\qquad 

\left(\boxed{-\cfrac{{{ b}}}{2{{ a}}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)$

5 0

3 years ago

The isosceles triangle theorem states that if two sides of a triangle are congruent, then the angles opposite those sides are __

frez [133]

The answer is “C” supplementary I think.

5 0

3 years ago

2) 110° 18x + 2 A) 8 C) 6 B) 12 D) -10

VARVARA [1.3K]

Answer:

C) 6

Step-by-step explanation:

Alternate interior angles are congruent meaning that they are equal to each other sp 18x+2=110 is simplified to 18x=108. Then divide by 18 to get x equal to 6. Hope this helped and post more :)

3 0

3 years ago

What are the solutions of the equation 4x2 + 3x = 24 – x?

Phantasy [73]

Answer is -3 or 2
its B

3 0

3 years ago

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