3. An exponential expression is point
2 answers:
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Answer:
Step-by-step explanation:
<u><em>The correct question is</em></u>
Translate the sentence into an equation using n as the unknown number. Then solve the equation for n.
5 increased by half a number is 11
Let
n ----> the unknown number
we know that
The linear equation that represent this situation is
solve for n
Multiply by 2 both sides
subtract 10 both sides
By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .
<u>Step-by-step explanation:</u>
We need to find How many different ways can a researcher select 4 rats from 15 rats and assign each to a different test.Let's find out:
We will use Permutation here : As we will chose 4 rats out of 15 rats , order will be considered which will make this as a permutation problem . Formula for permutation is given by :
⇒
According to question , we have
⇒
⇒
⇒
⇒
⇒
Therefore , By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .
Answer:
5 ^ (3/8)
Step-by-step explanation:
see attached
