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Crazy boy [7]
3 years ago
12

PLEASE HELP I ONLY HAVE 10 MINS!!

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0
The answer to both equations is 'A'. For the first you just input the value of 20 to replace n and get 700. (Side-note: the number 20, which is your variable, should be nowhere in the function so you know b is wrong). so now that you have your answer 700 the second part is self explanatory.


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PLEASE PLEASE PLEASE HELP
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Answer:

The weight of large box = 13.75 kilograms

the weight of small box = 6.5 kilograms

Step-by-step explanation:

Given:

delivery of 2 large boxes and 3 small boxes has a total weight of 47 kilograms

delivery of 6 large boxes and 5 small boxes has a total weight of 115 kilograms.

Let x be the weight of large box

and y be the weight of small box

Make equation from the given information

2(weight of large box) + 3(weight of small box) = 47

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Do the same and make one more equation

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Now we solve both equation using elimination method

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6x + 9y = 141

6x + 5y = 115  (subtract both equations)

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

      4y = 26

divide both sides by 4

So y= 6.5

Now plug in 6.5 for y  and find out x

2x+3y = 47

2x + 3(6.5) = 47

2x + 19.5 = 47  (subtract 19.5 on both sides)

2x = 27.5

divide both sides by 2

x = 13.75

The weight of large box = 13.75 kilograms

the weight of small box = 6.5 kilograms

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HELP HELP WILL MARK RIGHT AND FIRST ANWSSER BRANLIEST
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It should be option A! I hope this helps you!
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