Step-by-step explanation:
it would be best if you snapped this question for better understanding, however
4/√5. +. 3√125
4/√5. +. 3(√25 x √5)
4/√5 + 3(5√5)
4/√5 + 15√5
Answer: The percent of the coins are quarters = 64%.
Step-by-step explanation:
According to the given question , we have
The fraction of coins are quarters in the coin collection = 
We know that to convert a fraction into percent , we multiply it by 100 .
Then , the percent of the coins are quarters = 
which is equal to 
Therefore , the percent of the coins are quarters = 64%.
Answer:
triangles are half a rectangle/square. So thats why you divide by 2. diving by 2 is also multiply by 1/2.
pyramids are in 3 dimensions, so since they are like half, but in three dimensions, you divide by 3, in other words multiply by 1/3.
Step-by-step explanation:
Answer:
x = -4
Step-by-step explanation:
–2x + 1 – (–7x + 3) = –4 + 3(x – 2)
-2x + 1 + 7x - 3 = -4 + 3x - 6
-2x + 7x - 3x = -4 - 6 - 1 + 3
2x = -8
x = -8/2
x = -4