Answer:
Step-by-step explanation:
Use the rules of indices to find the product.
One of the rules is that when we multiply indices that have the same base we add the powers. For example:
So to work out 
we need to follow this rule.
Let's expand the bracket:
Let's simplify keeping in mind the rule we know.
- remember that 
Answer:
A is wrong. A debit card uses the money you have.
3: 4....added = 7
3/7(10) = 30/7 = 4 2/7 cm <== height
4/7(10) = 40/7 = 5 5/7 cm....width
Answer:
√86 cm
Step-by-step explanation:
radius² + h² = slope² slope = 10 radius = 4
h² = slope² - radius²
h = √(slope² - radius²)
= √(10² - 4²)
= √ 86
=
Answer:
The answer to your question is 191
Step-by-step explanation:
Data
Total number of students = 464
Students in a band = 89
Students in sports = 215
Students in both activities = 31
Students do not practice any activity = ?
Process
1.- Subtract 31 from the students in a band and students in a sport
89 - 31 = 58
215 - 31 = 184
2.- Add the previous results anfd the number of students that practice both activities
58 + 184 + 31 = 273
3.- Subtract 273 from the total number of students
464 - 273 = 191
4.- Conclusion
191 students are not involved in any activity.
