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Answer:
The weight of the larger marble paperweight is 4.05 lb
Step-by-step explanation:
we know that
If two solids are similar, then the ratio of its weights (or volumes) is equal to the scale factor elevated to the cube
Remember that the scale factor is the ratio between corresponding sides
Let
z ------> the scale factor
x -----> the weight of the larger marble paperweight
y -----> the weight of the original marble paperweight
In this problem we have
substitute and solve for x
therefore
The weight of the larger marble paperweight is 4.05 lb
Answer:
1.
2. $2,520
Step-by-step explanation:
1. Given numbers 39 and 91. Factorize them:
then
Use distributive property:
2. Month salary = $2,100
To find 10% of $2,100, just multiply $2,100 by 0.1 (because 10% is 0.1 as decimal):
$210 is the monthly tax, then the year tax is