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ludmilkaskok [199]
3 years ago
9

What is 3n-2/5=7/10 solve please

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0

Answer:  \bold{n=\dfrac{11}{6}}

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

\dfrac{3n-2}{5}=\dfrac{7}{10}\\\\\\10(3n-2)=5(7)\qquad \longrightarrow \quad \text{(cross multiplied)}\\\\30n-20=35\qquad \longrightarrow \quad \text{(distributed)}\\\\30n=55\qquad \longrightarrow \quad \text{(added 20 to both sides)}\\\\n=\dfrac{55}{30}\qquad \longrightarrow \quad \text{(divided 30 from both sides)}\\\\n=\dfrac{11}{6}\quad \longrightarrow \quad \text{(simplified fraction)}\\\\\\\large\boxed{n=\dfrac{11}{6}}\\

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1 year ago
Each number in the first table represents the points scored by a player on the Ace Academy basketball team. Make a frequency dis
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Answer:

Please have a look at the table below.

Step-by-step explanation:

Element       frequency         Relative frequency  (percent)

1                     1                       1/24 =  0.042 = 4.2%

3                      2                       2/24 = 0.083  = 8.3%

4                       1                         1/24 = 0.042  = 4.2%

5                       1                          1/24 = 0.042  = 4.2%

6                       1                           1/24 = 0.042 = 4.2%

7                        2                         2/24 = 0.083 = 8.3%

8                        1                          1/24 = 0.042   = 4.2%

9                       2                           2/24 = 0.083  = 8.3%

10                       6                           6/24 = 0.25   = 25%

11                        1                            1/24 = 0.042 = 4.2%

12                           2                           2/24 = 0.083 = 8.3%

13                         2                           2/24 = 0.083 = 8.3%

14                         2                           2/24 = 0.083  = 8.3 %

                           ----------                                  --------

                              24                                         1

                             ---------

Hope you will understand this.

Thank you.

7 0
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