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STALIN [3.7K]
3 years ago
13

Subtract.

Mathematics
2 answers:
notka56 [123]3 years ago
6 0
-2 4/7 is your answer
Karo-lina-s [1.5K]3 years ago
3 0

Answer: The required simplified mixed number is -2\dfrac{4}{7}

Step-by-step explanation:

Since we have given that

-3\dfrac{2}{7}-(-\dfrac{5}{7})

We need to solve this.

First we change the mixed fraction into improper fraction.

3\dfrac{2}{7}=\dfrac{23}{7}

So, it becomes,

-\dfrac{23}{7}+\dfrac{5}{7}\\\\=\dfrac{-23+5}{7}\\\\=\dfrac{-18}{7}\\\\=-2\dfrac{4}{7}

Hence, the required simplified mixed number is -2\dfrac{4}{7}

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3 0
3 years ago
Cassie cleans 3 houses for $135.00. When she cleans 5 houses, she makes $225.00.. If Cassie cleans houses at a constant rate, fi
sertanlavr [38]

Answer:

45$ per house cleaned

Step-by-step explanation:

135$ / 3 houses = 45

225$/ 5 houses = 45

4 0
3 years ago
Calculate the mean given the frequency table
ratelena [41]

Answer:

15.6

Step-by-step explanation:

First, multiply the midpoint of each class by its frequency, as follows:

            Class      midpoint   frequency   midpoint*frequency  

            0-9         4.5             24                4.5*24 = 108

            10-19      14.5            20                14.5*20 = 290

            20-29    24.5           32                24.5*32 = 784

Total                                      76               1182

The mean is computed as the division between the addition of the "midpoint*frequency" column by the addition of "frequency" column.

mean = 1182/76 ≈ 15.6

 

5 0
3 years ago
Please helpppppppppppppppppppp
Anna007 [38]

Answer:

the missing value is -1.......

3 0
3 years ago
Read 2 more answers
What is the change in temperature from 15° to -9°?<br> (the choices in the docx)
morpeh [17]
I would say D because 15 to -9 would be going down 24.
4 0
3 years ago
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