At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 3 degrees Celsius per hour.
Write an inequality that represents t, the number of hours past midnight, when the
temperature was colder than -4 degrees Celsius.

b

2

−

b

b

3

+

7

b

2

+

14

b

+

6

%

−

3

b

3

+

7

b

2

+

14

b

+

6

%

step-by-step explanation:

were is the equation

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.