2 years ago

Which of the following equations is not exponential? a)y = 1x b)y = (1/2)x c)y = -2x

Mathematics

1 answer:

Y_Kistochka [10]2 years ago

3 0

I'm not sure but y=1x

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Find the solution set of the following equations: <br><br>2y=2x+7<br><br>X=y+2

kirill115 [55]

Answer:

The system of equations has no solution.

Step-by-step explanation:

Given the system of equations

2y = 2x+7

x = y+2

solving the system of equations

$\begin{bmatrix}2y=2x+7\\ x=y+2\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}2y-2x=7\\ -y+x=2\end{bmatrix}$

Multiply -y+x=2 by 2: -2y+2x=4

$\begin{bmatrix}2y-2x=7\\ -2y+2x=4\end{bmatrix}$

so adding

$-2y+2x=4$

$+$

$\underline{2y-2x=7}$

$0=11$

so the system of equations becomes

$\begin{bmatrix}2y-2x=7\\ 0=11\end{bmatrix}$

0 = 11 is false, therefore the system of equations has no solution.

Thus,

No Solution!

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Andrea will be at 95 meters and Sula would win I think.

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- 11 = a/6 need help with this ?

JulijaS [17]

a= -66

-11=a/6

-66=a

a=-66

hopes this helps,

Xeno

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