B helps us make better decisions
How long was each sprinkler used is 30 hours.
<h3>How long was each sprinkler used </h3>
Let x represent how long each sprinkler was used
Hence:
40(x)+15(55-x)=1575
40x+825-15x=1575
Collect like terms
40x+-15x=1575-825
25x=750
Divide both side by 25x
x=750/25
x=30 hours
Therefore the Jenkins used the sprinklers for 30 hours while Green's used it for 25.
The complete question is:
The Jenkins family and the Moore family each used their sprinklers last summer. The water output rate for the Jenkins family's sprinkler was 40l per hour. The water output rate for the Moore family's sprinkler was per 15l hour. The families used their sprinklers for a combined total of 55 hours, resulting in a total water output 1575 of . How long was each sprinkler used?
Learn more about how long was each sprinkler used here:brainly.com/question/13921631
#SPJ1
Answer:
A. Chemicals
Explanation:
They would take the picture then have to pour some type of chemicals on the photograph to make it appear or else it would be a black picture
Answer:
hi im breanna
yo answer is B. confederate state
Explanation:
Explanation:
Ethics is a very important part in our daily lives. Ethics plays a vital role in a public speaking situation. An ethical public speaker should always be honest and should avoid plagiarism by taking his notes during the research process, identifying the sources, and ten deciding when it is suitable to cite the sources.
The ethical public speakers also also cite the sources properly by understanding how to paraphrase and then directly quote the sources.
In the context, if I lost the citation information for an important source for my speech, I will paraphrase the information and avoid plagiarism and as an ethical speaker I will mention that the abstract has been taken from an external source but the citation information was lost.
