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Misha Larkins [42]
3 years ago
12

(6)(−3)(−5) ........................

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

-2? maybe

Step-by-step explanation:

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nekit [7.7K]

Answer:

-11 1/4

Step-by-step explanation:

8 0
3 years ago
Please Help!!!!!! it's due this morning
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Answer:

Check the solution in both equations. The solution is ( − 1, 2). Solve the system by graphing: {− x + y = 12 x + y = 10 . Solve the system by graphing: {2x + y = 6 x + y = 1 . In all the systems of linear equations so far, the lines intersected and the solution was one point.

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Ilia_Sergeevich [38]

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Step-by-step explanation:

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8 0
2 years ago
Janessa can run 1/2 of a mile in 4 1/3 minutes what is her unit rate in miles per minute ​
Anna007 [38]

Answer:

8 2/3 minutes in 1 mile

Step-by-step explanation:

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4 0
3 years ago
How much of 30% HCI and 45% HCI would be needed to mix and produce 50 liters of 35% HCI
VladimirAG [237]

Answer:

  • 33 1/3 liters of 30%
  • 16 2/3 liters of 45%

Step-by-step explanation:

Let x represent the liters of 45% solution needed. Then the amount of HCl in the mix is ...

  0.45x +0.30(50 -x) = 0.35(50)

  0.15x = 0.05(50) . . . . . simplify, subtract 0.30(50)

  x = (0.05/0.15)(50) = 50/3 = 16 2/3 . . . liters of 45% HCl

33  1/3 liters of 30% and 16 2/3 liters of 45% HCl are needed.

_____

<em>Comment on the solution</em>

You may notice that the general solution to a mixture problem of this sort is that the fraction of the mix that is the highest contributor is ...

  (mix % - low %) / (high % - low %) = (.35 -.30) / (.45 -.30) = .05/.15 = 1/3

5 0
3 years ago
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