Answer:
x = - 6
Step-by-step explanation:
Given
x + 5 = 1 ( subtract 5 from both sides )
x = - 4
Multiply both sides by 3 to clear the fraction
2x = - 12 ( divide both sides by 2 )
x = - 6
The question is incomplete, the complete question is below:
Scientists have found a relationship between the temperature and the height above a distant planet's surface. , given below, is the temperature in Celsius at a height of kilometers above the planet's surface. The relationship is as follows: T(h) = 30.5 -2.5h.
a) Calculate T^-1(x)
b) T^-1(15)
Answer:
a) 
b) 6.2 °C
Step-by-step explanation:
a) 
b) 
Answer:
x>−178/7
Step-by-step explanation:
I'm assuming you wanted to solve for the inequality of x, if so this is the answer.
17(n+31)=357
distribute:
17n+527=357
-527 -527
17n= -170
÷17 <span>÷17
</span>n=-10
A: negative 10
Answer:
About $9.65.
Step-by-step explanation:
Cost divided by quantity.