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marshall27 [118]
3 years ago
7

X-7, if x= 12.give me the answer

Mathematics
2 answers:
Fantom [35]3 years ago
6 0
The answer would be 5
Alina [70]3 years ago
3 0

Answer:

Step-by-step explanation:

5 because 12-7 is 5

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3 years ago
Brenda has two pieces of string, one 28 feet long and the other 42 feet long. For an art project, she wants to cut them up to pr
NeTakaya

Answer:

7 feet

Step-by-step explanation:

Length of one piece of string = 28 feet.

Length of the second string = 42 feet.

Since the number of required pieces was not given but many are required, the greatest length can be determined by;

If the maximum length is 7 feet, then:

the number of pieces from 28 feet long string = \frac{28}{7}

                                                      = 4

Also,

the number of pieces from the 42 feet lone string = \frac{42}{7}

                                                    = 6

Total number of 7 feet strings that she can make = 4 + 6

                                                    = 10

Since many pieces are required, the greatest length she can make is 7 feet. If she increase the length to 14 feet, the number of pieces would be 5 which limit the required number.

3 0
3 years ago
A train is traveling 3100 miles from New York to california, at an average speed of 55 miles per hour. After t hours, the distan
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1200  \div 55
4 0
3 years ago
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