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finlep [7]
3 years ago
14

How can the Associative Property be used to mentally find 48 +82? i know the answer is 130. don’t answer the expression plz.❗️❗️

❗️
Mathematics
1 answer:
77julia77 [94]3 years ago
3 0
You can look for friendly numbers such as
48 and 2, split 82 in 80 and 2 and then associate the numbers conveniently

48+ (2+80)=
(48+2)+80=
50+80 which you can do it and is 130 or

50+80=
50+50+30=
100+30 which is 130

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NeX [460]

Answer:

1/6

Step-by-step explanation:

The opposite of dividing by a fraction is multiplying by the inverse of the fraction. So, to find out what fraction to divide by you need to find what number you need to multiply 2/3 by to get 4.

2/3 x 6 = 4

So if you want to divide instead of multiply, just find the inverse of the number you are multiplying by.

The inverse of 6 is 1/6. Therefore, 2/3 divided by 1/6 equals 4.

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6 0
4 years ago
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Answer: Should be 150mm

Step-by-step explanation:

Find the surface area of each figure. Round answers to the nearest tenth, if necessary

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4 0
3 years ago
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DerKrebs [107]

Answer: infinite answers, jk there is like a lot tho

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x + y = 79

The difference between x and y is 23. In other words, x minus y equals 23 and can be written as equation B:

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Now solve equation B for x to get the revised equation B:

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Then substitute x in equation A from the revised equation B and then solve for y:

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23 + 2y = 79

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Now we know y is 28. Which means that we can substitute y for 28 in equation A and solve for x:

x + y = 79

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Summary: The sum of the two numbers is 79 and their difference is 23. What are the two numbers? Answer: 51 and 28 as proven here:

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