Respuesta :
13 degrees cooler means "negative" or subtract.
7 - 13 = -6
Answer: the temperature is 6 degrees below zero.
The yesterday's temperature is [tex]6^{\circ}[/tex] below the zero degree Celsius or (-6) degree Celsius.
Further explanation:
Given:
Today’s temperature is [tex]7^{\circ}[/tex] Celsius.
Yesterday’s temperature is cooler than [tex]13^{\circ}[/tex] from today.
Concept used:
Today's temperature is given in degree Celsius; therefore the yesterday’s temperature also must be in degree Celsius and it is given that the yesterday's temperature is less than [tex]13^{\circ}[/tex] Celsius.
Write the expression for the yesterday’s temperature.
[tex]\boxed{\text{Yesterday's temperature}=\text{today's temperature}-13^{\circ}}[/tex]
Calculation:
The yesterday's temperature can be obtained by the above formula.
Substitute [tex]7[/tex] for today's temperature in the above equation to obtain the yesterday’s temperature.
[tex]\fbox{\begin\\\ \begin{aligned}\text{Yesterday's temperature}&=7^{\circ}C-13^{\circ}C\end{aligned}\\\end{minispace}}[/tex]
Solve the above equation to obtain the yesterday’s temperature,
[tex]\boxed{\text{Yesterday's temperature}=(-6)^{\circ}}[/tex]
It can be also said that the Yesterday’s temperature is [tex]6^{\circ}[/tex] below the [tex]0^{\circ}C[/tex].
After solving the above equation it can be obtained that the yesterday’s temperature is [tex]6^{\circ}[/tex] below the zero degree Celsius or (-6) degree Celsius.
Learn more:
1. A problem on temperature of the body: https: //brainly.com/question/914750
2. A problem on equation: https://brainly.com/question/1473992
3. A problem on geometry: https://brainly.com/question/195374
4. A problem on counting: https://brainly.com/question/6698921
Answer details:
Grade: Junior school
Subject: Mathematics
Chapter: Simplification
Keywords: Addition, subtraction, temperature, degree, Celsius, 13 degree, 7, Yesterday, Today, cooler, hotter, (-6), zero, fahrenheit.
