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
What is the area of the figure below? The figure shows a parallelogram. the left side equals 5 inches. The bottom side equals 12
Strike441 [17]

Answer:

A = 36 in.²

Step-by-step explanation:

The area of a parallelogram can be determined by the formula:

A = bh

The base length is 12 inches and the height is 3 inches.

A = 12in. * 3in.

A = 36 in.²

5 0
3 years ago
A videp store took $450 in DVD rentals during one day . If DVDs rent for $9 each , how many DVDs were rented.
Masja [62]

Answer:

50

Step-by-step explanation:

let x = total DVD rentals

450=9x

450/9=x

50=x

50 DVDs were rented

4 0
2 years ago
.Write in standard form. 4h - 6(5+7h)
Anarel [89]

Answer:

-38h-30

4h+(−6)(5)+(−6)(7h)

=4h+−30+−42h

=(4h+−42h)+(−30)

=−38h+−30

5 0
3 years ago
If you have 6 lessons a week in mathematics, each lesson being 38 minutes long, what is the total time spent in mathematics less
Lynna [10]

Answer:

2280 minutes.

Step-by-step explanation:

Time spent each week in lessons = (Lessons per week)(Time per lesson)

= (6)(38)

= 228 minutes/week

Time spent in a 10-week period:

10 weeks * 228 minutes/week

= 2280 minutes

Use conversion factors to determine the time in the desired units (i.e. Hours, seconds, etc.).

Hope this helps!

5 0
1 year ago
Which of the following types of scientists might study the events that take place in the area labeled by letter d?
alex41 [277]

Answer: D

Step-by-step explanation:A scientist who studies the objects in the sky, including planets, galaxies, black holes, and stars, is called an astronomer

4 0
3 years ago
Other questions:
  • I need help ASAP <br><br><br> -2x^2+x<br><br> 9-25x^2+8x<br><br> X^5+x^3-x^2-1
    6·1 answer
  • Intersecting lines are _____ coplanar. Sometimes Never Always
    13·1 answer
  • If a bag contains 18 red, 6 yellow, 24 blue, and 8 white balloons, what is the part-to-whole ratio of white balloons to all ball
    9·1 answer
  • Jesse is playing a game with a number cube with faces numbered 1 through 6. What is the probability of rolling a number that is
    10·1 answer
  • two dice are rolled, find the probability that an even number appears on the first and the number 5 appears on the second die
    11·1 answer
  • If you can help me please help me because I really want to understand this topic thank you
    10·1 answer
  • I need help someone please
    7·1 answer
  • At CFIS Intermediate school, 40% of the 500 students ride their bikes or walk to school. How many students ride their bikes or w
    15·1 answer
  • Help me pls!!!!!!!!!
    5·1 answer
  • twelve cookies are cut from a rectangle of dough measuring 12 inches by 16 inches. How many square inches of dough are left over
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!