Answer:
Step-by-step explanation:
The viniculum in a fraction represents subtraction with exponents.
Subtracting exponents gives us 3^12/3^8 * 3^2
Simplifying gives 3^12/3^10. Then, we can achieve 3^12 - 3^10.
This equals 3^2.
3^2 = 9.
So 9 is the answer of your question.
it's should be 220 because your starting point is at 70 then add 15 for 10 weeks which means you have to add 15*10 or 150 to 70 which will give you 220
Answer:
the last one i think
Step-by-step explanation:
Answer:
x=10 or x=-2
Step-by-step explanation:
add 28 to both sides
(x-4)^2=36
sqrt both sides
remember to get positive and negative roots
x-4=+/-6
add 4 to both sides
x=4+/-6
x=4+6 or x=4-6
Answer:
35 cm²
Step-by-step explanation:
A=bl
so
A=5(7) so
A=
35 cm²
