9514 1404 393
Answer:
8
Step-by-step explanation:
Your familiarity with multiplication tables tells you ...
64 = 8·8 = 8²
The missing base is 8.
Answer:
(2k-7)^2
Step-by-step explanation:
I used M_a_t_hW.A.Y
Answer:
Error
Step-by-step explanation:
(-94)/5+22/22 Given
-18.8+1 PEMDAS (do -94/5 and 22/2)
-17.8 Add the numbers
After you add the numbers, you take the square root. you will get the answer "Error" because you cannot take the square root of a negative number
Answer:14
Step-by-step explanation:
Answer:
25 nickels, 60 dimes and 20 quarters
Step-by-step explanation:
Nickels, dimes and quarters
Nickel= 5 cents, dime= 10 cents, quarter= 25 cents
equations we get:
- 5n+10d+25q= 1225 ⇒ n+2d+5q= 245
if we subtract the first equation from the second we get:
considering d=3q, we have
then
so there are 25 nickels, 60 dimes and 20 quarters