The temperature at 3 a. m. was 3 1/2 degrees Fahrenheit. For the next 7 hours, the change in temperature was 1 1/2 degrees per hour. Which statement correctly
interprets this situation? *
The equation 7(-1 1/2) = -10 1/2 means that the temperature at 10 am, was-10 1/2
degrees Fahrenheit.
The equation 7(-1 1/2) = -10 1/2 means that the temperature change from 3 a. m. to
10 a. m. was -10 1/2 degrees Fahrenheit.
The equation 7(-1 1/2) = 10 1/2 means that the temperature at 10 a. m. was 10 1/2
degrees Fahrenheit
The equation 7(-1 1/2) = 10 1/2 means that the temperature change from 3 a. m. to 10
a. m. was 10 1/2 degrees Fahrenheit.
My

The equation 7(-1 1/2) = -10 1/2 means that the temperature change from 3 a.m. to  10 a.m. was -10 1/2 degrees

Step-by-step explanation:

Initially, the temperature was 3 1/2 degrees Fahrenheit at 3 a.m. From 3 a.m., the temperature change at 1 1/2 degrees per hour for the next 7 hours. This means that the temperature change in the next 7 hours is:

Temperature change = 7(-1 1/2) = -10 1/2

In the next 7 hours from 3 a.m. to 10 a.m., that is at 10 a.m. (3 a.m. + 7 hours), the temperature change was -10 1/2 degrees Fahrenheit.

Hence:

The equation 7(-1 1/2) = -10 1/2 means that the temperature change from 3 a.m. to  10 a.m. was -10 1/2 degrees

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation:

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.