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omeli [17]
2 years ago
11

/5" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
Veronika [31]2 years ago
6 0

Answer:

86.8 or 434/5

Step-by-step explanation:

31/3 *42/5

divide common factors

31/1 *14/5

multiply numerators and the denominator

31*14/1*5

434/5 or 868

frutty [35]2 years ago
4 0

Answer:

86.8 what form do u want this answer?

Step-by-step explanation:

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Need help with this please and thanks
lesantik [10]

Answer:

It is A

Step-by-step explanation:

If you look at it ecch one is moving by 4. -

5+4= -1

-1+4=3

7+4=11

3 0
3 years ago
Read 2 more answers
. Mrs. Huang operates a soybean farm. She buys many supplies in bulk. Often the bulk products need to be custom mixed before Mrs
dimulka [17.4K]

Answer:

18 L

Step-by-step explanation:

Given :  she must mix a solution of 67% herbicide with a solution of 46% herbicide to form 42 liters of a 55% solution.

To Find: How much of the 67% solution must she use?

Let x = amount of 67% solution needed

Then 42-x=amount of 46% solution needed

Now we know that the pure herbicide in the 67% solution

So, pure herbicide = (0.67x)

The amount of pure herbicide in the 46% solution (0.46(42-x))

Now 42 liters of a 55% solution = (0.46(42-x))

So,

Amount of 67% solution + Amount of 46% solution  = 42 liters of a 55% solution

⇒0.67x+0.46(42-x)=0.55*42  

⇒0.67x+19.32-0.46x=23.1

⇒0.21x=3.78

⇒x=\frac{3.78}{0.21}

⇒x = 18 liters

Hence she use 18 liters of the 67% solution

5 0
3 years ago
Read 2 more answers
17 to 26 <br> Help me please
Pepsi [2]

Answer:

See below

Step-by-step explanation:

17.  17x + 3 x=4              18.  -2x + 1 / 3  x= -5

      17(4) + 3                          - [(2)(-5) + 1] / 3

      68 + 3                              - [-10 + 1] /3

       71                                       9/3  or 3

19.  2x - 33 x=9              20.  - 9x - 2  x=7

      (2)(9) - 33                         -(9)(7) - 2

       18 - 33                               -63 - 2

       - 15                                       -65

21.  7/3x - 9   x=3            22.  - [12x/5]   x= -1

      (7/3)(3) - 9                         - [(12)( -1)/5]

         7 - 9                                - [ -12/5 ]

         -2                                         2.4

23.  11x - 11   x = -11         24.  (2/9)x - (9/2)   x= 9

       - 121 - 11                           (2/9)(9) - (9/2)

         -132                                  2 - (9/2)  ( 2 can be shown as 4/2)

                                                      (4/2) - (9/2)

                                                          - 5/2  or   - 2.5

25.  f(x) = 0.12x + 4.52  x = 250     26.  f(x) = 0.18x + 3.12  x= 175

         = (0.12)(250) + 4.52                           = (0.18)(175) + 3.12

         = 30 + 4.52                                        = 31.50 + 3.12

         =  34.52                                             = 34.62

4 0
3 years ago
(50 POINTS! PLEASE HELP!) Alang has a bag that contains pineapple chews, strawberry chews, and lime chews.
Lelechka [254]

Answer:

<u>1/13</u>

Step-by-step explanation:

Probability (lime chew) :

  • No. of times lime chew was selected / Number of times experiment was conducted
  • 2/26
  • <u>1/13</u>
8 0
2 years ago
Read 2 more answers
Spencer wants to burn 450 calories while biking. Biking burns about 10 calories per minute. When Spencer goes biking, he usually
Lady bird [3.3K]

Answer:

60 minutes including the 15 minute rest.

Step-by-step explanation:

450/10 is 45. Therefore, biking for 45 minutes will loose 450 calories, 10 calories per minute.  Maybe half way during the 45 minutes Spencer will take the 15 minute rest. This brings the biking trip 60 minutes.

8 0
3 years ago
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