Make a system of equations.
Plug in 2d for 'q' in the first equation:
Multiply:
Combine like terms:
Divide 0.60 to both sides:
Now plug this into any of the two equations to find 'q':
So she has 10 dimes and 20 quarters.
Answer: T(90) = 93.413 F
Step-by-step explanation:
The temperature T of an object in degrees Fahrenheit after t minutes is represented by the equation
T(t) = 69e−0.0174t + 79.
T is the dependent variable while t is the independent variable. To determine any value for Temperature, we will input the corresponding value for time into the function.
We want to determine the temperature of the object after one and a half hours. This means that we have to convert one and a half hours to minutes
1f 1 hour = 60 minutes
Then 1.5 hours = 1.5 × 60 = 90 minutes.
We would substitute t = 90 minutes into the equation, it becomes
T(90) = 69e−0.0174×90 + 79
T(90) = 69e−1.566 + 79
T(90) = 14.413 + 79
T(90) = 93.413 F
10x^2 - 25 = x^2
Take the square root of each side.
x = 10x - 5i
180 degrees= a whole line
180-102=78
So m13 should equal 78°
Answer:
2268 in3
Step-by-step explanation:
