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Schach [20]
2 years ago
11

Solve using substitution y= 7x + 6 4x - 3y =16

Mathematics
1 answer:
maks197457 [2]2 years ago
4 0

Answer:

{y,x} = {-8,-2}

Step-by-step explanation:

Hope this helps.

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What is the least possible degree of a polynomial that has roots -5, 1 + 4i, and -4i?
just olya [345]
Hello,

Answer D:

the roots are -5,1+4i,1-4i,-4i,4i.

7 0
3 years ago
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The rate of change in the function y=x+4 is________ the rate of change of the function represented in the table.
Snezhnost [94]
Recall that the slope is the "average rate of change" of any function.

\bf y=\stackrel{slope}{1}x+4\qquad \qquad 
\begin{array}{ccll}
x&y\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
0&6\\2&8\\4&10\\6&12
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\\\\\\
\textit{let's check what is the slope of the tabled function}\\
\textit{by using two points from it}

\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%   (a,b)
&({{ 2}}\quad ,&{{ 8}})\quad 
%   (c,d)
&({{ 6}}\quad ,&{{ 12}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{12-8}{6-2}\implies \cfrac{4}{4}\implies 1
4 0
3 years ago
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Beth works as a sales rep and receives $43 for every $210 she sells. What is her rate of commission? Round to the nearest tenths
Soloha48 [4]

Answer: it should be 5 if im not mistaken

Step-by-step explanation:

6 0
3 years ago
I need help please ??
Genrish500 [490]

Answer with step-by-step explanation:

Equation: x × 4 = y

This equation is true because if you look at the graph, multiply 4 by each x length and you will get the y length.

Hope this helped!

8 0
3 years ago
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A) -40÷5(2) <br> B) (-2) + 3(12) ÷ 4<br> C) -2(3+4)
Furkat [3]
Always do brackets first

a) -40/10 = -4
b) 36/4 -2 = 7
c) -2 x 7 = -14
5 0
2 years ago
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