Answer:
The answer is 315 cm of bronze
Step-by-step explanation:
Where is the list of triangle parts? I can help you if I see it
Answer:
It is similar because you have to always have the same numerator in adding or subtracting fractions. Adding fractions and subtracting mixed numbers is different because when u have a mixed number you have to simplify it to its lowest terms to make it easy to tell if it's a whole number or mixed.
example: 2 1/2 + 3/2= 4 now u know its a whole number but as a mixed number that would be 8/2
Step-by-step explanation:
Answer:
Mary = 24
Chau = 15
David = 48
Step-by-step explanation:
The formula is
Mary + Chau + David = 87
And we know that
Chau = Mary - 9
David = Mary * 2
So when we fill this in
Mary + Mary - 9 + Mary * 2 = 87
4Mary - 9 = 87
4Mary = 96
Mary = 24
Chau = Mary - 9 = 15
David = Mary * 2 = 48
Answer:
he needs 60 more
Step-by-step explanation:
there's already 30 but its suppose to have a height of 3 so you gotta stack 30 more 2 times