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FromTheMoon [43]
3 years ago
9

Solve for x. Show your work. 1/2x - 1/4 = 3/5x + 2

Mathematics
2 answers:
Sati [7]3 years ago
7 0
The answer for this Is -45/2
Damm [24]3 years ago
4 0
<h3>Answer:</h3>

x =  -  \frac{45}{2}

<h3>Step-by-step explanation:</h3>

\frac{1}{2} x -  \frac{1}{4}  =  \frac{3}{5} x + 2

20( \frac{1}{2} x -  \frac{1}{4} ) = 20( \frac{3}{5} x + 2)

20 \times  \frac{1}{2} x - 20 \times  \frac{1}{4}  = 20( \frac{3}{5} x + 2)

10x - 20 \times  \frac{1}{4}  = 20 \times  \frac{3}{5} x + 20 \times 2

10x - 5 = 20 \times  \frac{3}{5} x + 20 \times 2

10x - 5 = 4 \times 3x + 20 \times 2

10x - 5 = 4 \times 3x + 40

10x - 5  - 12x  =  40

10x - 12x = 40 + 5

- 2x = 40 - 5

- 2x = 45

x =   - \frac{45}{2}

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Help me solve those show work 3(2a-5)=12-7a, 27=3c-3(6-2c)and 6c-8-2c=-16
posledela
3(2a-5) = 12-7a
6a-15=12-7a
6a+7a=12+15
13a= 27

27=3c-3(6-2c)
27=3c-18+6c
27+18=3c+6c
45=9c
C=45/9
C=5

6c-8-2c=-16
6c-2c=-16+8
4c=-8
C=-8/4
C=-2
3 0
3 years ago
The graph shows the vertical displacement y, in inches, that a weight bouncing from a spring world achieve if there were no fric
marissa [1.9K]

Answer:

Option B. \frac{1}{6}

Step-by-step explanation:

we know that

The frequency is equal to the number of cycles divided by the time

Remember that

1 cycle = 1 full wave to repeat itself

In this problem

From o to 12 seconds ------> there are 2 cycles

therefore

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3 0
3 years ago
A registration fee for a used car is 0.8% of the sale price of $5,700. How much is the fee
natima [27]

\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{0.8\% of 5700}}{\left( \cfrac{0.8}{100} \right)5700}\implies 45.6

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3 years ago
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2 years ago
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kotykmax [81]

√4 / 9  

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So the answer would be....

2 / 9

Hope this helps!

7 0
3 years ago
Read 2 more answers
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