honeygirl383 honeygirl383

21-10-2019
Mathematics

contestada

If D varies directly with t and D is 105 when t is 3 find D when t is 8

Respuesta :

bayosanuade bayosanuade

22-10-2019

Answer:

D ∝ t

implies

D = Kt

substituting D = 105 and t =3

implies 105 = K x 3

therefore K = 105/3

K = 35

The formula then becomes

D = 35t

When t = 8

D = 35 x 8

D = 280

Step-by-step explanation:

Answer Link

Otras preguntas

what part of speech is abundant

How are ice and water involved in mechanical weathering

to meet the increased demand, world food production must rise 50% by 2030. Write this percent as a fraction in simplest form.

in relation to the earth's surface, explain where rock spend most of there time.

The area of a triangle is 6.75 m to the 2 power. If the base of the triangle is 3 m, what is the height of the triangle?

How are ice and water involved in mechanical weathering

Justin works as a car salesman. Last week he had a total of 42,000 dollars in sales. if his Commission is 2 percent how much did Justin earn and last week?

Cassandra drove 370.5 Miles in 6.5 hrs. How many miles per hour did she drive? (:

Explain two problems that Texans tried to solve after winning independence

what is the numerical expression for half the sum of 11 and negative 3andthe absolute value of negative 62