Answer:20
Step-by-step explanation:
7 divided by 28 is 4 so multiply 5x4
10:16 = 20/x
They multiplied the top number by 2 so you have to multiply the bottom number by 2
10:16=20/32
18:24 =x/48
They multiplied the 24 times 2 to get 48 so you have to multiply the top number by 2
18:24=36:48
Step-by-step explanation:
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Answer:
2a + 3c + 4d
Step-by-step explanation:
This is the answer because:
1) Nothing further can be done to this equation since there are no like terms.
Therefore, the answer is 2a + 3c + 4d.
Hope this helps! :D
Answer:
2.)70
4.)451,17
Step-by-step explanation:
2.)
a1 = 8*5 = 40
a2 = ((20-8)*5)/2 = 30
aTotal = 40+30 = 70
4.)
a1 = 18*18 = 324
a2 = (πr²)/2 = 127,17
aTotal = 127,17 + 324 = 451,17