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prohojiy [21]
2 years ago
14

Write 104/-120 as a rational number in its standard form​

Mathematics
2 answers:
AVprozaik [17]2 years ago
5 0

104/-120

=-13/15

Devishri1977 gave a better example of how she got to the answer

SVEN [57.7K]2 years ago
5 0

Answer:

-13/15

Step-by-step explanation:

104/-120 should be reduced to lowest term and - should be in the numerator

\dfrac{104}{-120}= -\dfrac{2*2*2*13}{2*2*2*3*5}=\dfrac{-13}{15}

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Matthew's dad hired him to paint 6 wooden patio chairs for $125. It takes him 9 hours to paint all of the chairs. If it takes th
frozen [14]

Given:

Matthew's dad hired him to paint 6 wooden patio chairs for $125.

Time taken by him to paint all of the chairs = 9 hours.

It takes the same amount of time to paint each chair.

To find:

The fraction of an hour does it take Matthew to paint one chair

Solution:

Total time = 9 hours

Total number of chairs = 6

Now, time taken by Matthew to paint one chair is

\dfrac{\text{Total time}}{\text{Total number of chairs}}=\dfrac{9}{6}

\dfrac{\text{Total time}}{\text{Total number of chairs}}=\dfrac{3}{2}

Therefore, Mattew takes \dfrac{3}{2} of an hour to paint one chair.

Thinking with a model: On dividing the total time by total number of chairs we get time taken by Mattew (in hours) to paint one chair. So, the result represents the fraction of an hour taken by Matthew to paint one chair.

8 0
3 years ago
Where is +1 on a positive and negative number line
lyudmila [28]
The right, because your going forward not backwards
4 0
3 years ago
Read 2 more answers
The graph at the right shows this system of equations y=x-3 y=-3x+1 what is the solution. Explain how you can verify that it is
oksano4ka [1.4K]

Answer:

I think it would be (1,-2)

Step-by-step explanation:

I can verify that it is a solution because y=1-3 is the same solution as y=-3+1

The results would be x=-2 for both

3 0
2 years ago
How many times does 78 go into 171
MatroZZZ [7]

Hello!

You simply divide 78 by 171.

78÷171= 0.45614035

Rounded: 0.46

6 0
3 years ago
Read 2 more answers
Factor the following trinomial. (Hint: Solve the equations first.)<br><br> x²-2x-2
Alex_Xolod [135]

Answer:

(x-(1+\sqrt{3}))(x-(1-\sqrt{3}))  

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2} -2x-2=0  

so

a=1\\b=-2\\c=-2

substitute in the formula

x=\frac{-(-2)(+/-)\sqrt{-2^{2}-4(1)(-2)}} {2(1)}

x=\frac{2(+/-)\sqrt{12}} {2}

x=\frac{2(+/-)2\sqrt{3}} {2}

x_1=\frac{2(+)2\sqrt{3}} {2}=1+\sqrt{3}

x_2=\frac{2(-)2\sqrt{3}} {2}=1-\sqrt{3}

therefore

x^{2} -2x-2=(x-(1+\sqrt{3}))(x-(1-\sqrt{3}))  

5 0
3 years ago
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