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sertanlavr [38]
3 years ago
11

How many solutions does the system of equations have Y = 4x+3 and 2Y-8x = 3

Mathematics
1 answer:
just olya [345]3 years ago
7 0

Answer:

The system has no solution.

Step-by-step explanation:

Write the system as

y - 4x =3

2y - 8x = 3

The 2nd equation can be written as

2(y - 4x)

and the system would be

y - 4x =3

2(y - 4x) = 3

Now, call y -4x = z. Then we would have the system

z = 3

2z = 3

But if z =3 then 2z = 6 and we have a contradiction.

We conclude that the system has no solution.

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C ) exponential :  y = 100 * 0.79^x

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3 years ago
Determine the equation of the line that passes through (2,4) with a slope of -2/3
DedPeter [7]

Answer:

y = -2/3x + 16/3

Step-by-step explanation:

y = -2/3x + b

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3 years ago
AE is an angle bisector of BAC if the measure of BAE = x + 30 and masure of angle EAC = 3x-10 determine Measure of angle EAC
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2 years ago
Which of the following rational numbers is equal to 2 point 8 with bar over 8 ? twenty two over nine, twenty four over nine, twe
alina1380 [7]
Just to remove ambiguities, the bar over the expression means it's repeating itself to infinity.

\bf 2.888\overline{8}\impliedby \textit{now say, let's make }x=2.888\overline{8}
\\\\\\
\textit{and multiply it by 10, to move over the 8 to the left}
\\\\\\
\begin{array}{llll}
10x&=&10\cdot 2.888\overline{8}\\
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&&26+2.888\overline{8}\\
&&26+x
\end{array}\implies 10x=26+x
\\\\\\
9x=26\implies x=\cfrac{26}{9}

notice, the idea being, you multiply it by 10 at some power, so that you move the "recurring decimal" to the other side of the point, and then split it with a digit and "x".

now, you can plug that in your calculator, to check what you get.
4 0
3 years ago
Read 2 more answers
QUICK FAST HURRY ANSWER PLEASE 2 3/4 * 1 1/4 WILL BRAINLY IF ANSWERED CORRECTLY
Ierofanga [76]
1. 2 3/4 = 11/4(2 * 4 + 3)
2. 1 1/4 = 5/4(1 * 4 + 1)

11/4 * 5/4 = 55/16 OR 3 7/16 if simplified.
7 0
3 years ago
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