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miss Akunina [59]
3 years ago
12

Anybody, please answer this for me. I'm not good at mathematics

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0
Well, its kind of obivious that 2x + 4 stands out, but I think you are asking why. Whereas all other lines shown are vertical or horizontal, 2x+4 is diagonal. 
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At a greengrocer, two bananas and one apple cost ?1.16 and one banana and one apple cost ?0.71. How much does one apple cost?
Blababa [14]

Answer

Find out the how much does one apple cost .

To prove

Let us assume that the number of bananas be x .

Let us assume that the number of apples be y .

As given

At a greengrocer, two bananas and one apple cost $1.16 .

Than the equation becomes

2x + y = 1.16

one banana and one apple cost $0.71.

Than the equation becomes

x + y = 0.71

Subtracting x + y = 0.71 from 2x + y = 1.16

2x - x + y - y = 1.16 - 0.71

x = 0.45

Put in the equation x + y = 0.71

0.45 + y = 0.71

y = 0.71 - 0.45

y = $0.26

Therefore the cost of the one apple is  $0.26 .


4 0
3 years ago
All-purpose carpeting costs $27.50 per square meter. What is the cost of carpeting a room from
Brums [2.3K]

Step-by-step explanation:

I'm not sure if I got the correct answer since English is not my first language

4 0
2 years ago
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viva [34]

Answer:

30°

Step-by-step explanation:

First we take the full amount of degrees from points A to C, which is given as 125° then subtract 94°, which is the given amount from points A to D, this results in 30°

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Answer:

If it's an addition problem then just add 3 cups

Step-by-step explanation:

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Answer:

the smallest possible perimeter is 6

Step-by-step explanation:

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