Página inicial
/
Matemática
/
The National Weather Service Is Recording the Temperatures on a Cold Day. The Temperature at 6 A.M. Is -14^circ F The Temperature

Question

The national weather service is recording the temperatures on a cold day. The temperature at 6 A.M. is -14^circ F The temperature increases an average of (3)/(4)F each hour until noon , and then it drops an average of -1(1)/(4)^circ F each hour until 5 P M. Which of the following statements are true? Select all that apply. The temperature at 5 P.M. is -15(3)/(4)^circ F The change in the temperature from noon to 5 P.M. is -6(1)/(4)^circ F At noon, the temperature is -9(1)/(2)^circ F The total change in the temperature from 6 A.M. to 5 P.M. is -2(1)/(4)^circ F The change in the temperature from 6 A M. to noon is (1)/(8)F.

Solution

Verificación de expertos
4.6 (171 Votos)
Alberto Mestre · Tutor por 5 anos

Resposta

To determine which statements are true, we need to calculate the temperature at different times throughout the day.Given information:- The temperature at 6 A.M. is .- The temperature increases an average of each hour until noon.- The temperature drops an average of each hour until 5 P.M.Step 1: Calculate the temperature at noon.The temperature increases by each hour from 6 A.M. to noon (6 hours).Temperature increase from 6 A.M. to noon = Temperature at noon = Temperature at 6 A.M. + Temperature increase from 6 A.M. to noonTemperature at noon = Step 2: Calculate the temperature at 5 P.M.The temperature drops by each hour from noon to 5 P.M. (5 hours).Temperature decrease from noon to 5 P.M. = Temperature at 5 P.M. = Temperature at noon + Temperature decrease from noon to 5 P.M.Temperature at 5 P.M. = Step 3: Calculate the change in temperature from noon to 5 P.M.Change in temperature from noon to 5 P.M. = Temperature at 5 P.M. - Temperature at noonChange in temperature from noon to 5 P.M. = Step 4: Calculate the total change in temperature from 6 A.M. to 5 P.M.Total change in temperature from 6 A.M. to 5 P.M. = Temperature at 5 P.M. - Temperature at 6 A.M.Total change in temperature from 6 A.M. to 5 P.M. = Step 5: Calculate the change in temperature from 6 A.M. to noon.Change in temperature from 6 A.M. to noon = Temperature at noon - Temperature at 6 A.M.Change in temperature from 6 A.M. to noon = Therefore, the true statements are:- The temperature at 5 P.M. is - The change in the temperature from noon to 5 P.M. is - At noon, the temperature is - The total change in the temperature from 6 A.M. to 5 P.M. is - The change in the temperature from 6 A.M. to noon is