The temperature is 50 degrees Fahrenheit. The temperature will decrease by 4 degrees F. each hour. Let h be the number of hours.
2 answers:
Answer:
Option B is correct
Step-by-step explanation:
Here, h be the number of hours.
As per the statement:
The temperature is 50 degrees Fahrenheit.
⇒Initial temperature = 50 degrees Fahrenheit
It is also given that:
The temperature will decrease by 4 degrees F each hour.
1 hour temperature will be = -4 degree F
then;
In h hour temperature = -4h degrees F
We have to find the the temperature be below 32 degrees F.
Total Temperature be below 32 degrees F means:
where, h represents the number of hours.
Therefore, the the temperature below 32 degrees F will be
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Answer:
a. 8x + 4y = −4
17x + 2y = −28
Step-by-step explanation:
{6x + 2y = −6
{3x − 4y = −18
{6x + 2y = −6
{1½x - 2y = −9
___________
[Plug this back into both equations above to get the y-coordinate of 3];
Alternatively, you plug the solution of into the top answer choice to get this:
{−16 + 12 = −4 ☑
{−34 + 6 = −28 ☑
These are genuine statements, therefore this system of equations is the system we are looking for.
I am joyous to assist you anytime.