Answer:
Final alloy
- weighs grams
- contains grams of cooper
- percent of cooper in alloy is
Step-by-step explanation:
Suppose that a certain alloy is made by mixing 90 grams of an alloy containing 50% of copper with 70 grams of an alloy containing 35% copper.
50% alloy contains
grams of cooper
35% alloy contains
grams of cooper
Final alloy
- weight grams
- contains cooper grams
- percent of cooper in alloy
It's b. rotational on apex
Answer:
C
Step-by-step explanation:
Well if you look at the red magbles it the bag to all the marbles in the bag and times it by 3 you would get 3:9 and if you look at the green marbles in the bag to all the marbles in the bag it is 2:9 and there is one more red marbles than green marbles.
Answer:
wer here. Link below!
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bit.
Step-by-step explanation:
By corresponding parts of congruent triangles,
BE = BN
Answer: 3.8