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
nata0808 [166]
3 years ago
7

Oil is pumped into a tank at a rate of Q(t)=45-t gallons per minute where time is t is measured in minutes how many gallons are

in the tank after 30 minutes
Mathematics
1 answer:
FinnZ [79.3K]3 years ago
5 0

Answer:

15 gallons

Step-by-step explanation:

Given that:

Pumping rate is modeled by the equation :

Q(t)=45-t gallons per minute ; where t is in minutes

Number of gallons in tank after 30 minutes ;

Q(t)=45-t

Q(30) = 45 - 30

Q(30) = 15

Hence, Number of gallons in tank after 30 minutes is 15 gallons

You might be interested in
Describe how to add or subtract rational expressions with like denominators.
Veronika [31]

Answer:if the bottoms are the same keep the the sme

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the reminder when (3x^3-2x^2+4x-3) is divided by (x^2+3x+3)
NARA [144]
(For full answer you might have to go to the comments)

Answer: 28x+30

Explanation: we divide (3x^3-2x^2+4x-3) by (x^2+3x+3) Using long division
3x-11
___________________
(x^2+3x+3) 3x^3-2x^2+4x-3


-(3x^3+9x^2+9x)
__________________

-11x^2-5x-3

-(-11x^2-33x-33)
____________
28x+30

So our remainder will be 28x+30
5 0
3 years ago
Translate Each sentence into an equation!!!
Amanda [17]
20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2 
N=16
6 0
3 years ago
Give an example of a job that would have a y-intercept of $0 and another with a y-intercept of $20. What do these y-intercepts m
strojnjashka [21]

Answer

I) A job pays $15/hr with no bonus first day pay.

II) A job pays $15/hr with a $20 bonus first day pay.

Step-by-step explanation:

The y-intercepts would represent additional income that is added on to the base wage. It means it is what the worker would already earn (one-time), adding on to their standard pay.

Let X represent hours, and the y-intercept be what is mentioned above.

I) 15x + 0

II) 15x + 20

6 0
3 years ago
What’s this answer ? Please help!!!
UNO [17]

Surface area = Area of rectangle + Areas of triangles.

Area of rectangle = 9cm * 15cm = 135cm2.

Areas of triangles = 6cm * 3cm = 18cm2.

Surface area = 135 + 18 = 153cm2

5 0
3 years ago
Other questions:
  • Draw a model to represent the product of 41x 16
    12·2 answers
  • SOMEONE PLEASE HELP ME ASAP PLEASE!!​
    6·1 answer
  • 2x^3+4x^2-5/x+3 using long divsion
    15·1 answer
  • The product of a number x and 8
    13·2 answers
  • the numerator of a certain fraction is four times the denominator. If 10 is added to both numerator and denominator the resultin
    14·1 answer
  • The gas tank in your family's car was 7/8 full when you left your house. When you arrived at your destination, the tank was 1/4
    9·2 answers
  • Using the formula below, calculate the z-score for the listed data points. z-score: zx = x − μ σ z1 = z5 = z6.5 =
    14·2 answers
  • Ellen has a bag with 3 red marbles and 2 blue marbles in it. She is going to randomly draw a marble from the bag 300 times, putt
    8·1 answer
  • Simplify the expression.<br> 4r + (4; +3j) + 4r
    8·1 answer
  • Which of the following is the correct graph of the solution to the inequality -13&gt; -5x+2&gt; -28?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!