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Sagot :
Answer: 9) a) 8
10) b) 31/35
Step-by-step explanation:
Let's address each question one by one:
9. What is the absolute value of -8?
The absolute value of a number is its distance from zero on the number line, ignoring its sign.
Absolute value of -8 is:
\[ |-8| = 8 \]
So, the correct answer is:
a) 8
---
10. What is the result of adding 3/5 and 2/7?
To add fractions with different denominators, we need to find a common denominator.
Common denominator of 5 and 7 is 35.
Convert 3/5 and 2/7 to have 35 as the denominator:
\[ \frac{3}{5} \times \frac{7}{7} = \frac{21}{35} \]
\[ \frac{2}{7} \times \frac{5}{5} = \frac{10}{35} \]
Now, add the fractions:
\[ \frac{21}{35} + \frac{10}{35} = \frac{31}{35} \]
So, the correct answer is:
b) 31/35
---
Therefore, the answers are:
Let's address each question one by one:
9. What is the absolute value of -8?
The absolute value of a number is its distance from zero on the number line, ignoring its sign.
Absolute value of -8 is:
\[ |-8| = 8 \]
So, the correct answer is:
a) 8
---
10. What is the result of adding 3/5 and 2/7?
To add fractions with different denominators, we need to find a common denominator.
Common denominator of 5 and 7 is 35.
Convert 3/5 and 2/7 to have 35 as the denominator:
\[ \frac{3}{5} \times \frac{7}{7} = \frac{21}{35} \]
\[ \frac{2}{7} \times \frac{5}{5} = \frac{10}{35} \]
Now, add the fractions:
\[ \frac{21}{35} + \frac{10}{35} = \frac{31}{35} \]
So, the correct answer is:
b) 31/35
---
Therefore, the answers are:
9. a) 8
10. b) 31/35
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