Answer:
45 km/hr
Explanation:
total distance = 90
Increased speed = x+15
90/x - 90/x+15=1/2
90(1/x - 1/x+15)=1/2
90(x+15-x/x^2+15x)=1/2
equation is:
x^2+15x-2700=0
x^2+60x-45x-2700=0
x(x+60)-45(x+60)=0
(x+60)(x-45)=0
x= -60, x=45
reject the negative value = -60
usual speed=45 km/ hr
ᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟ
<span>ᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟᅟ</span>
The Constitution<span> of the United States: </span>Six Basic Principles<span> of Government Popular Sovereignty Limited Government Separation of Powers Checks and Balances Judicial Review Federalism people are the source of any and all governmental power, and government can exist only with the consent of the governed</span>
The creative blending of indigenous and foreign beliefs and practices into new cultural forms is called assimilation. Therefore, the option A holds true.
<h3>What is the significance of assimilation?</h3>
A process when a cultural ethnicity immigrates itself in a group to another cultural ethnicity, and adopts the culture of the newer society with less to zero signs of discrimination is known as the process of assimilation. American ethnicities have faced assimilation from different cultures.
Therefore, the option A holds true and states regarding the significance of assimilation.
Learn more about assimilation here:
brainly.com/question/14313590
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The question seems to be incomplete. It has been added below for better reference.
The creative blending of indigenous and foreign beliefs and practices into new cultural forms is called:____.
A. Assimilation
B. Stratification
C. Dissimilation
D. Integration
