He needs 100g of the 21% alloy, and 0g of the 15% alloy to attain the 100g of 21% titanium.
Answer:
y = 3x + 5
Step-by-step explanation:
The zero seems to be a place holder to mess you up. Just ignore that it doesn't do anything. Add -3x and -5 to the both sides to create y = 3x + 5
2:6 so simplify it 1:3. This means the scale ratio is 1:3 for the figures. To find w, sub in the 3 from the smaller figure to the ratio so 3×3=9, 3:9 w=9
Answer:
(
4
x
−
5
)
(
2
x
+
5
)
Step-by-step explanation: