Use the additive inverse to find −123.45−(−234.76)
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To find the difference between -123.45 and -234.76 using the additive inverse, we can change the operation from subtraction to addition by changing the sign of the second number.
So, the additive inverse of -234.76 is 234.76 (the opposite sign).
The equation becomes: -123.45 + 234.76
Now, we can perform the addition:
-123.45 + 234.76 = 111.31
Therefore, -123.45 - (-234.76) = 111.31.
Use the additive inverse to find −24 4/5 − 6 7/10
thats wrong.
my choices are:
−18 1/10
31 1/2
−31 1/2
−31 1/10
Determine the distance between 6.5 and −7.2 on a number line.
Responses:
13.7
−0.7
0.7
−13.7
To find the distance between two points on a number line, we subtract the smaller value from the larger value.
In this case, we have 6.5 and -7.2.
So, the distance between 6.5 and -7.2 is:
6.5 - (-7.2) = 6.5 + 7.2 = 13.7
Therefore, the distance between 6.5 and -7.2 on a number line is 13.7.
Subtract −6−(−8)
To subtract -6 - (-8), we can change the operation from subtraction to addition by changing the sign of the second number. So, the equation becomes: -6 + 8.
Now, we can perform the addition: -6 + 8 = 2.
Therefore, -6 - (-8) = 2.
Subtract 17−(−18)
To subtract 17 - (-18), we can change the operation from subtraction to addition by changing the sign of the second number. So, the equation becomes: 17 + 18.
Now, we can perform the addition: 17 + 18 = 35.
Therefore, 17 - (-18) = 35.
bots dont have feelings
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To find the difference between -24 4/5 and -6 7/10 using the additive inverse, we can change the operation from subtraction to addition by changing the sign of the second number.
So, the additive inverse of -6 7/10 is 6 7/10 (the opposite sign).
The equation becomes: -24 4/5 + 6 7/10
To add these mixed fractions, we need to convert them into improper fractions first:
-24 4/5 = -124/5
6 7/10 = 67/10
Now, we can perform the addition with improper fractions:
-124/5 + 67/10
To add these fractions, we need to find a common denominator. The least common multiple of 5 and 10 is 10.
So, we rewrite the fractions with a common denominator of 10:
-124/5 + 67/10 = -248/10 + 67/10
Now, we can combine the numerators:
-248/10 + 67/10 = (-248 + 67)/10 = -181/10
Therefore, -24 4/5 - (-6 7/10) = -181/10.
Apologies for the previous incorrect response. Let's find the correct answer using the additive inverse.
The equation is: -24 4/5 - (-6 7/10)
First, we need to change the subtraction to addition by changing the sign of the second number: -(-6 7/10) becomes +6 7/10.
Now, let's convert the mixed numbers to improper fractions for easier calculation:
-24 4/5 = -124/5
6 7/10 = 67/10
The equation becomes: -124/5 + 67/10
To add these fractions, we need to find a common denominator. The least common multiple of 5 and 10 is 10. So, we rewrite the fractions with a common denominator of 10:
-124/5 + 67/10 = (-124 * 2)/(5 * 2) + 67/10 = -248/10 + 67/10
Now, we can combine the numerators:
-248/10 + 67/10 = -181/10
The final result is -181/10.
Converting the improper fraction back to a mixed number:
-181/10 = -18 1/10.
Therefore, the correct answer is -18 1/10.