32 The normal systolic blood pressure P, in millimeters of mercury, for an adult male x years old can be modeled

Question

32
The normal systolic blood pressure P, in millimeters
of mercury, for an adult male x years old can be
modeled by the equation P = ( x + 220 )/ 2
. According to
the model, for every increase of 1 year in age, by how
many millimeters of mercury will the normal systolic
blood pressure for an adult male increase?

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Vân Khánh 22 mins 2023-01-17T07:37:02+00:00 1 Answer 0 views 0

Answer ( 1 )

  1. quangkhai
    0
    2023-01-17T07:38:07+00:00
    Reply
    By 1/2 millimeters of mercury will the normal systolic blood pressure for an adult male increase.

    What is blood pressure?

    • The pressure of circulating blood against the walls of blood vessels is referred to as blood pressure (BP).
    • The majority of this pressure is caused by the heart pumping blood through the circulatory system.
    • The term “blood pressure” refers to the pressure in the large arteries when used without qualification.
    • In the cardiac cycle, blood pressure is typically expressed as the ratio of the systolic pressure (maximum pressure during one heartbeat) to diastolic pressure (minimum pressure between two heartbeats).
    • It is expressed in millimeters of mercury (mmHg) above atmospheric pressure.
    To find by how many millimeters of mercury will the normal systolic blood pressure for an adult male increase:
    • The normal systolic blood pressure of an adult male increase by millimeters of mercury every 1 year of age is:
    • [(x+1)+220]/2 – (x+220)/2 = (x+1+220-x-220)/2 = 1/2
    Therefore, by 1/2 millimeters of mercury will the normal systolic blood pressure for an adult male increase.
    Know more about blood pressure here:
    #SPJ4

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )