1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kenny6666 [7]
2 years ago
5

The temperature of a liquid in an experiment starts at 0 degrees. The temperature of the liquid changes at a rate of -0.2 per mi

nute. How long will it take for the liquid to reach -14.6 degrees.
Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
3 0

Initial temperature of the liquid = 0 degrees.

Rate of changes of liquid temperature = -0.2 per minute.

Rate of change also represents slope of a linear function.

We know, slope-intercept form of a linear equation

y=mx+b, where m is the slope (rate of change) and b is y-intercept(initial temprature).

With respect to given problem, y represents temperature of a liquid after x number of minutes.

According to given problem, slope(rate of change) = -0.2 per minute and y-intercept(initial temprature)=0.

Plugging values of m and b in the above slope-intercept form of a linear equation.We get,

y=-0.2x+0

or y=-0.2x.

Final temprature is given -14.6 degrees and we need to find time when temprature reach -14.6 degrees.

As y represents temperature of a liquid , we need to plug y=-14.6 in above equation.

We get,

-14.6=-0.2x.

Dividing both sides by -0.2.

-14.6/-0.2=-0.2x/-0.2

x=73.

We got 73 minutes.

73 minutes can be convert in hours.

We have 60 minutes in an hour.

Therefore, 73 = 60+13.

So, 1 hour and 13 minutes will it for the liquid to reach -14.6 degrees.

In minutes answer is 73 minutes.

You might be interested in
Select all of the following that are quadratic equations.
kifflom [539]
A quadratic equation is one in which the highest exponent of x is 2.
7x^2+14x=0 is quadratic; the highest exponent is 2.
x³-3x²+1=0 is NOT quadratic.  The highest exponent of x is 3, not 2.
5x-7=0 is NOT quadratic.  The highest exponent of x is 1, not 2.
x²+3x-5=0 is quadratic; the highest exponent of x is 2.
x-5=9x+7 is NOT quadratic.  The highest exponent of x is 1, not 2.
x²-x=3x+7 is quadratic; the highest exponent of x is 2.
5 0
3 years ago
three friends go to a local farmers market latasha spends $3:35helen spends4times as much as latasha Dee spends $7:50 more than
OLga [1]
Dee spent $20.90 i think
4 0
3 years ago
Read 2 more answers
Which expression show the number multiplied for t
jek_recluse [69]
Make the question more clear i cant understand it :/ include all the information from the actual question to get the best answer.
8 0
3 years ago
ILL MARK U BRAINLIEST!!!!
Helen [10]

Answer:

Step-by-step explanation:

(40,5) and (0,0) are points on the line.

Slope of line = (40 miles)/(5 minutes) = 8 Mikes per minute

4 0
2 years ago
Read 2 more answers
Suppose f'(7)=9 and g(7)= 5. <br> Find h'(7) where h(x) = 3f(x) + 2g(x) + 7<br><br> h'(7)=???
Ratling [72]

Answer:

The value of h'(7) = 44 .

Step-by-step explanation:

Given:

f'(7)=9 and g(7)= 5

We have to find : h'(7)

Also,

⇔ h(x) = 3f(x) + 2g(x) + 7   ...equation (i)

Plugging the value of 'x' = 7 in equation (i) the equation can be re-framed as:

⇔ h(7) = 3f(7) + 2g(7) + 7

⇔ h(7) = 3f(7) + 2g(7) + 7

Now plugging the value of f'=(7)=9 and g(7)=5 in the above equation:

⇔ h(7) = 3(9) + 2(5) + 7

⇔ h(7)=27+10+7

⇔ h(7)=44

So the value of h=(7) = 44 .

6 0
3 years ago
Other questions:
  • Find the area of the trapezoid.<br><br> 168 in2<br> 72 ft2<br> 94.5 ft2<br> 84 ft2
    13·2 answers
  • The coordinate of A is -3, and the coordinate of B is 0.5  Find AB ..please explain answer 
    14·1 answer
  • PLZ HELP ME- The measure of b is __. a0
    6·2 answers
  • How to solve the rational equation? (Please include steps not just the answer)
    11·2 answers
  • Can someone help me Solve 6
    7·1 answer
  • 1. Bob’s age is twice that of his sister. When you add Bob's age to his sister's age, you get 24. How old is Bob and his sister?
    13·2 answers
  • What is the equation
    13·1 answer
  • Which equation could be used to solve the problem?
    13·2 answers
  • If 5x−4y=22 and 3x+6y=30, what is the value of x−5y
    15·1 answer
  • Convert 40percent into fraction Into lowest terms​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!