Answer:
The answer is 1:2
Step-by-step explanation:
For small circle
r = 4
2πr = 2 × 3.14 × 4 = 25.12
For big circle
r = 8
2πr = 2 × 3.14 × 8 = 50.24
Now,
if we divide both answers we get,
25.12 ÷ 50.24 = 1/2 = 1:2
Answer: 239
Step-by-step explanation:
3x7=21
(16+5)x16=336, 336/2=168
5x10=50
add them all together to get 239
hope this helps!
Answer:
T
F
F
Step-by-step explanation:
I took the test
STEP - BY - STEP EXPLANATION
What to find?
An expression for the total number of books.
Given:
Number of shelves = 5
Number of books in each shelf = k
If Lucy has a bookcase with 5 shelves and each of this
shelf has k books, then the total number of books can be determine by multiplying the numbers of book by the numbers of shelves.
That is;
ANSWER
5K
Area=length times width ...so 10x5= 50..so 50cm sq is the answer :)