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fomenos
3 years ago
6

I need help plz plz help me

Mathematics
2 answers:
Norma-Jean [14]3 years ago
8 0

Answer:

A

Step-by-step explanation:

3m+2n-6-4-6m+7n

-3m+9n-10

HACTEHA [7]3 years ago
4 0

Answer:

The answer is a.

Step-by-step explanation:

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What's the square rute of 0.81
Black_prince [1.1K]
The square root is 0.9
6 0
3 years ago
Read 2 more answers
5/4+x=3/4 how do I figure this out
Andreyy89

You could subtract 5/4 from each side of the equation.
Then it would say
                                 x = -2/4 .

That's a perfectly true solution, but not a very attractive one.
To pretty it up, you could simplify the fraction if you felt like it,
and you would have
                                   x = -1/2 .

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3 years ago
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jeka57 [31]
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2 years ago
Which is equivalent to 3(x-4)-3(2x-7)=23
adelina 88 [10]

Answer:

x=-\frac{14}{3}

Step-by-step explanation:

3x-12-6x+21=23

-3x+9=23

-3x=14

x=-\frac{14}{3}

4 0
1 year ago
Paul finished his 800 meter race in 2 minutes and 2 seconds. Jeff finished in 121 seconds. Who finished first? (PLESES SHOW WORK
elixir [45]

Answer:

Jeff finished first

Step-by-step explanation:

To solve this equation, I can either converts 2 minutes 2 seconds to seconds or convert 121 seconds to minutes

<u><em>CONVERT 2 MINUTES 2 SECONDS TO SECONDS</em></u>

60 seconds = 1 minutes

to convert 2 minutes 2 seconds to seconds, multiply 2 minutes by 60 and then add 2 seconds to it

2 x 60 = 120 seconds

120 seconds + 2 seconds = 122 seconds

Paul finished in 122 seconds while Jeff finished in 121 seconds. Jeff finished first

<u><em>CONVERT 121 SECONDS TO MINUTES</em></u>

60 seconds = 1 minutes

To convert 121 seconds to minutes, we have to divide by 60

121/60 = 2 minutes 1 second

Paul finished the race in 2 minutes 2 seconds while eff finished the race in 2 minutes 1 second. Jeff finished first

6 0
2 years ago
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