2 years ago

Find the value of a that makes the statement true. 3^-1 ÷ 3^4 = 3^a .A = ?

Mathematics

2 answers:

likoan [24]2 years ago

8 0

Part B: Simplify the quotient 3^-1/3^4

Answer:1/243

Elena L [17]2 years ago

7 0

A=-5 hope that helps!!

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Find the solution set of the following equations: 2y=2x+7 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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2 years ago

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andreyandreev [35.5K]

First one is -13
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Which figure takes a rotation of 360° to carry it onto itself? (consider each figure a regular polygon)

Mademuasel [1]

Answer:

B) trapezoid is the right answer

Step-by-step explanation:

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Step-by-step explanation:

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andrew-mc [135]

4x - 5y = 40

4x = 40 + 5y
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The x intercept is 10.

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