Answer:
Step-by-step explanation:
From law of indices
Answer:
28.9°c
Step-by-step explanation:
The product of two radicals is equal to the radicand. The square root deletes itself.
So the result is y^3
Let x be your first alloy
2/5x+7/10(30-x)=1/2(30)
4x+210-7x=150
3x=60
x=20
So, you need 20 lbs of the first alloy, and 10 parts of the second to make 30 lbs of half iron and half silver alloy!
Answer:
814
Step-by-step explanation:
A=2(wl+hl+hw)
=2((11×22)+(5×22))+(5×11))
= 814
