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densk [106]
3 years ago
14

45 + 89.23568 = 67.09876543456 - ?

Mathematics
2 answers:
jeka943 years ago
4 0
I believe the correct answer would be 134.23568, forgive me if I am wrong

katrin2010 [14]3 years ago
3 0
Hi

45 + 89.23568 = 67.09876543456 - ?
First, let's add
134. 23568 = 67.09876543456 - ?
Now let's be smart just for a second :)
We gonna replace this sign ? by x (x means the number we're looking for)
134. 23568 = 67.09876543456 - x
We are solving x, right ? So let's equal it.
Now, we have
-x = 67.09876543456 - 134.23568
You got it ? I hope so :)
Now we subtract
-x = 67.136915
Now we have the number but we can not NEVER left the x with a negative sign, never :)
To eliminate the negative sign we must divide both sides by -1
-x/-1 = 67.136915/-1
x/ = -67. 136915
That's the answer :)


If you have further question about the answer just let me know :)
Thanks !
 
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There were five teams entered in a competition. Each team consisted of either only boys or only girls. The number of team member
WINSTONCH [101]

Answer:

21.

Step-by-step explanation:

Since there were five teams entered in a competition, and each team consisted of either only boys or only girls, with the number of team members being 9, 15, 17, 19 and 21 members, if after one team of girls had been knocked out of the competition, the number of girls still competing was three times the number of boys, to determine how many girls were in the team that was eliminated, the following calculation must be performed:

9 + 15 + 17 + 19 = 60/4 = 15

9 + 15 + 17 + 21 = 62/4 = 15.5

9 + 15 + 19 + 21 = 64/4 = 16

9 + 17 + 19 + 21 = 66/4 = 16.5

15 + 17 + 19 + 21 = 72/4 = 18

Thus, since 15 x 3 equals 45, and 45 plus 15 equals 60, the number of girls on the team that was eliminated was 21.

3 0
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There are about 16 kilometers in 10 miles. About how many kilometers are in 5 miles
IRISSAK [1]

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Hope this helps!:)

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Help please is for now
zmey [24]
Answer: 5

Steps:
5x - 2y = 30
5(8) - 2y = 30
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I would appreciate the brainliest if this answer was correct and the steps were clear and helpful! :)
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