Answer:
Originally
The number of coins in the first box was
The number of coins in the second box was
Finally
The number of coins in the first box is
The number of coins in the second box is
Step-by-step explanation:
Let
x-----> number of coins in the first box originally
y-----> number of coins in the second box originally
we know that
-----> equation A
-----> equation B
substitute equation A in equation B
Find the value of x
therefore
Originally
The number of coins in the first box was
The number of coins in the second box was
Finally
The number of coins in the first box is
The number of coins in the second box is
X=3,-2 you solve by using the quadratic formula
Answer:
Morgan
Step-by-step explanation:
because the pythagoras theorem is
H
where h1=hypotenuse
h2=height
b=base
Answer:
3003.
Step-by-step explanation:
This is the number of combinations of 5 books from 15 = 15C5
= 15! / 10! 5!
= 15*14*13*12*11 / 5*4*3*2*1
= 3*7*13*11
= 3003.
Answer:
3/8
Step-by-step explanation:
vecause there are 8 in total and 3 of them are blue.
hope this helps