The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased.

Which equation can be used to represent this situation?

A.

t - 15.2 = - 12.8

B.

t + 12.8 = - 15.2

C.

t - 12.8 = 15.2

D.

t - (-15.2) = - 12.8

Question

Mathematics

Stella Bradley

16 December, 10:03

The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased.

Which equation can be used to represent this situation?

A.

t - 15.2 = - 12.8

B.

t + 12.8 = - 15.2

C.

t - 12.8 = 15.2

D.

t - (-15.2) = - 12.8

+2

Answers (1)

Know the Answer?

Arthur Dalton · Answer 1

't' is the temperature before it decreased.

The temperature decreases by 15.2, so we subtract 15.2.

The result after we subtract is - 12.8, so that's what it equals.

So we have:

t - 15.2 = - 12.8

The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased.Which equation can be used to represent this situation?A.t - 15.2 = - 12.8B.t + 12.8 = - 15.2C.t - 12.8 = 15.2D.t - (-15.2) = - 12.8

The temperature decreased overnight by 15.2°C to a temperature of - 12.8°C. Suppose t represents the temperature before it decreased.

Which equation can be used to represent this situation?

A.

t - 15.2 = - 12.8

B.

t + 12.8 = - 15.2

C.

t - 12.8 = 15.2

D.

t - (-15.2) = - 12.8