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
Naddik [55]
3 years ago
9

A particular english class has 40 students. as the students leave the room, only 28 students are left after three seconds. what

is the rate of change of the number of students in the classroom each second?
Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0

Student who gone from class within 3 sec = 12

within 1 sec, it would be 12/3 = 4

So, your answer is 4

You might be interested in
in this question , use 1 foot equalto 12 inches 1 inch equalto 2.5 centimetres change 5 feet 8 inches to centimetres
nasty-shy [4]

Answer: 170 cm

Step-by-step explanation: 5x12=60. 60+8=68. 68x2.5=170.

5 0
4 years ago
Julia has 4 gallons 2 quarts of water.Ally needs the same amount of water but only has 12 quarts.How much more water does Ally n
denis-greek [22]
Well there are 4 quarts to a gallon and 4 / 12 = 3 so she has 3 gallons so she needs 1 gallon and 2 quarts 
so the answer is 1Gallon and 2Quarts
7 0
4 years ago
A jar contains 17 yellow and 12 green marbles. You randomly draw one marble from the jar then
dexar [7]

Answer:

204/841

Step-by-step explanation:

17/29 times 12/29

3 0
3 years ago
Ginny has 16 chocolate bars. She gives away ¾ of her chocolate bars to friends. How many chocolate bars did Ginny give away?
Phantasy [73]

Answer:

She gave away 12, so she still has 4.

Step-by-step explanation:

16 times .75 equals 12.

6 0
3 years ago
Read 2 more answers
Solve for t <br><br> 2t^2-14t+3=3
Dvinal [7]

Answer:

t=7,t=0

Step-by-step explanation:

2t^2-14t+3=3

Subtract 3 from both sides

2t^2 - 14t +3 - 3 = 3-3

Simpilfy

2t^2 -14t = 0

7 0
3 years ago
Other questions:
  • Which number is the additive inverse of -4 1/4
    14·2 answers
  • Bananas cost $0.75 per pound. Use an equation to determine the cost of 9 pounds.
    7·2 answers
  • Is 3y=12 a linear function and if so, how would you graph it?
    8·2 answers
  • What is the estimate quotient for 83÷19
    13·2 answers
  • 5 times the smaller of two numbers is subtracted from twice the larger,the result is 1. If the larger is increased by three time
    8·1 answer
  • 1 point<br> Juan got 1603 as the sum of 80.1 and 802. Where did he make his<br> mistake? *
    14·1 answer
  • A) how many 15-year old students took part in the survey?
    10·1 answer
  • Find x in the following figure
    13·2 answers
  • 1. A company supplies pins to a customer. It uses an automatic lathe to produce the pins. Due to factors such as vibration, temp
    14·1 answer
  • how do i find the type of relationship of a table? whether it is linear or quadradic and how do i find the formula for either re
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!