3 years ago

Write two subtraction facts related to 7 +5=12

Mathematics

2 answers:

allochka39001 [22]3 years ago

6 0

Well this might not be the proper answer but this should sure help
25-13=12
90-78=12

Lilit [14]3 years ago

5 0

There are different ways you can write these numbers all you do is go by what the number says and think about it.

EX1) 12-5=7

EX2) 12-7=5

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3 years ago

Find two numbers with a sum of 20 and a difference of 14

sergey [27]

Find two numbers with a sum of 20 and a difference of 14

Make two equations

X+Y=20

X-Y=14

Now add x since y cancels out and add 20+14 To end up with

2x=34

Now divide 2 both sides to get x alone

2x/2=34/2

X=17

Now substitute x answer to first equation and solve for y

17+y=20

Subtract 17 both sides

Y= 3

Your two numbers are

3 and 17

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3 years ago

an iron rod of length 7 upon 8 m was cut into two pieces one piece is 1 upon 7 m long what is the length of the other piece.

bixtya [17]

Answer:

other: $\frac{41}{56}$

Step-by-step explanation:

$\frac{7}{8} =\frac{1}{7} + x\\=> x= \frac{7}{8} - \frac{1}{7} \\=> x= \frac{49}{56} - \frac{8}{56} \\=> x= \frac{41}{56}$

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3 years ago

Which fraction equals 4?

Ilya [14]

Answer: 8/2

Step-by-step explanation:

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3 years ago

Hakim recorded his finishing time, in seconds, for each time he ran the 100 m race during one track season.

Alchen [17]

Its 12.1. it is the middle number from largest to least value.

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