Answer:
The weight of the enlarged paperweight is ![1.2\ lb](https://tex.z-dn.net/?f=1.2%5C%20lb)
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its volumes (or its weights) is equal to the scale factor elevated to the cube
Let
z-----> the scale factor
x ----> the enlarged paperweight weight
y ----> the original paperweight weight
![z^{3}=\frac{x}{y}](https://tex.z-dn.net/?f=z%5E%7B3%7D%3D%5Cfrac%7Bx%7D%7By%7D)
we have
![z=2](https://tex.z-dn.net/?f=z%3D2)
![y=0.15\ lb](https://tex.z-dn.net/?f=y%3D0.15%5C%20lb)
substitute and solve for x
![2^{3}=\frac{x}{0.15}](https://tex.z-dn.net/?f=2%5E%7B3%7D%3D%5Cfrac%7Bx%7D%7B0.15%7D)
![x=2^{3}(0.15)=1.2\ lb](https://tex.z-dn.net/?f=x%3D2%5E%7B3%7D%280.15%29%3D1.2%5C%20lb)
Answer:
I think the answer is 194.6 miles on the third day
Step-by-step explanation:
Answer:
2. Side length =9
Step-by-step explanation:
A square has all sides equal. and it has 4 sides, so 36 divided by 4 =9.
3.x squared =6
answer is x=3
square root both sides.
Well if 5+5=10 adding 1 would give you 11. Or you could do 6+6=12 and then subtract 1. Both 5+5 and 6+6 are doubles facts.
First, 45 is the total number of students. So you have to add the ratio: 2+3=5. Since you are finding the number of sixth graders, you need to use the ratio 2.
Sixth graders : All = x : 45
2 : 5 = x : 45
You could change this to fractions and solve it.
2/5 = x/45
x = 18
So there are 18 sixth graders.