Answer:
90 arrangements
Step-by-step explanation:
Since there are no repititions of letters, there are unique 10 letters in total.
THe number of arrangements would be 2 permutation 10. We need the formula for permutation. That is:

Now, n = 10 [total] and r is 2, so we have:

So, there can be 90 arrangements
Answer:
Step-by-step explanation:
Answer:
45 DOLLARS
Step-by-step explanation:
For these kind of problems, write an equation to figure out the answer.
55 + 2x = 145
x represents the bag cost
145 is the shoe cost
Take out the constant, which is 55, from both sides. A constant is a useful term you should learn.
The result is: 2x = 90
Divide 2x by 2, to get x, which is the bag cost, by itself.
Result: x= 45
Since x is the bag cost, the bag costs 45 dollars
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Answer:
<h3>The answer is 5.7 %</h3>
Step-by-step explanation:
To find the rate given the principal , time and interest , we use the formula

where
p is the principal
t is the time
I is the interest
From the question
Principal = $1,250
Time = 4 years
Interest = $285
We have

We have the final answer as
<h3>5.7 %</h3>
Hope this helps you
Question: Which of these best describes Earth’s mantle?
Answer: Most dense layer, consists of the outer and inner parts
Explanation: this makes up most of the earths mantle
question answered by
(jacemorris04)