Answer:
The time it will take to roof the house if the homeowner helps the roofer is 2.25 days.
Explanation:
The time it takes the homeowner to roof his house is, <em>X</em> = 9 days.
The time it takes the professional roofer to roof the house is, <em>Y</em> = 3 days.
Then if the the homeowner helps the roofer, the time it will take to roof the house is, <em>X</em> + <em>Y</em>.
The work done by the homeowner in 1 day is,
.
The work done by the professional roofer in 1 day is, 
The work done in 1 day if both the homeowner and the professional roofer work together is,
⇒ 
Then the number of days it takes to roof the house if both the homeowner and the professional roofer work together, i.e. <em>X</em> + <em>Y</em> is,
⇒ 
Thus, the time it will take to roof the house if the homeowner helps the roofer is 2.25 days.
All isotopes have different
number of neutrons and hence different atomic masses. Also they have the same
electronic configuration and since the chemical properties are determined by
this configuration, they all have the same chemical properties; therefore the
answer is C)The all have the same number of protons.
Answer:
It addressed the nature of Christ's divinity.
Explanation:
The Nicene Creed (also known as Nicaeno-Constantinopolitan Creed) is a well-known statement of belief used in Christian church. It focus on the nature of Christ (divinity and humanity), how Jesus Christ is fully and completely human and divine, and how these natures are also distinct.
Shaunice has schizophrenia and shows many
symptoms, including the belief that there is nothing wrong with her. this would
be a positive symptoms of schizophrenia. There are two
types of symptoms of schizophrenia: positive symptoms and negative symptoms:
Positive symptoms are things that people with schizophrenia do or experience
that other people do not.