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Nata [24]
3 years ago
9

6390 In scientific notation ( no decimal)

Mathematics
1 answer:
pshichka [43]3 years ago
3 0
6.39 x 10^3 is the answer to the question

or rounded to 6 x 10^3
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What is the solution to the system of equations?<br><br> x+y=5<br> x-2y=2<br><br> (_,_)
Nady [450]
You can use the substitution method. Using the first equation in terms of y,
y = 5 - x
Substitute this to the second equation to get the value of x.
x - 2(5 - x) = 2
x - 10 + 2x = 2
3x = 2 + 10
3x = 12
x = 4

For y, just substitute the value of x that we have used in the first equation.
y = 5 - 4 = 1

Therefore, in coordinate form, that is (4,1)
5 0
3 years ago
Help me please for the brailiest answer
Rom4ik [11]

Answer:

78, 1275

Step-by-step explanation:

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Rita's company reimburses her expenses on food, lodging, and conveyance during business trips. The company pays $55 a day for fo
zheka24 [161]
2335 = 55x + 0.45(300)
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40 = x.....she spent 40 days on the trip
6 0
3 years ago
How do you solve 2,631×83
Aneli [31]
Its 218373 sjwbushwhdvd
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3 years ago
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julsineya [31]

Answer:

answe is 5x + 6y + 1

Step-by-step explanation:

5 0
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