Ok u need to find a common denominator for 9laps
Answer:
x ≥ 7
Step-by-step explanation:
"Is at least" means the same as "is greater than or equal to". Then "x is greater than or equal to 7" is expressed in symbols as ...
x ≥ 7
Answer:
Let the number of nickels be x
Let the number of pennies be y
Let the number of dimes be z
Now z=x+y
FIrst equation:
z+x+y=16
Subsittue for z:
x+y+x+y=16
y=8-x (subsitution)
Hope this helps :)
Step-by-step explanation:
I^2 = (sqrt-1)^2 then the square cancels out so the answer is just
-1
Answer:
20
Step-by-step explanation:
The answer is 20, because they are asking about the west school.