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
Answer:
A consumer or a heterotroph.
Explanation: Organisms are characterized into two broad categories based upon how they obtain their energy and nutrients: autotrophs and heterotrophs. A heterotroph (consumer) is an organism that eats other plants or animals for energy and nutrients. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
The statement that best describe the federal state in a country's political organisation is it act as a single centralised economy for a collection of subnation states allied for a common purpose
<h3>What federal state?</h3>
Federal state is a political organisation that comprises of Union or associations of states, jurisdiction or regions which are partially governed and are under the federal government which come together for a common purpose.
Therefore, The statement that best describe the federal state in a country's political organisation is it act as a single centralised economy for a collection of subnation states allied for a common purpose.
Learn more about federal state below.
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Answer:
Explanation: ladakh is a region administered by India as a union territory