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
Salsk061 [2.6K]
3 years ago
13

Please help me with question 4!

Mathematics
1 answer:
Minchanka [31]3 years ago
6 0

Answer:

I think that there might be some complex differential equation

stuff going on here if this were in the real world, but for the sake of this problem... may I suggest that the tank is filling up  at a rate of

1/8 of a tank per hour...

it is evaporating at a rate of 1/12 tank per hour

you can subtract the rates

1/8 - 1/12 = 12/96- 8/96 = 3/96 = 1/32 tank/hr

so to fill the tank it should take 32 hours...

I think the logic and math work... lets see if someone else will verify this analysis?

Step-by-step explanation:

You might be interested in
Consider the sequence whose first five terms are shown. -59 ,-67 ,-65 ,-53 ,-31 ,... The first term is ____ To calculate the sec
GaryK [48]

Step-by-step explanation:

The sequence is as follows :

-59 ,-67 ,-65 ,-53 ,-31 ,...

The first term = -59

The second term = -67

Common difference = second term - first term

=-67-(-59)\\\\=-8

To calculate the second term add (-8).

To calculate each additional term, increase the amount added by -8.

7 0
3 years ago
A box contains 1079 counters which are coloured either black, white or red.
aleksley [76]

<u><em>The total number of red counters that are in the box is; 728 red counters</em></u>

  • We are told that the box contains 1079 counters.

Let the number of white counters be x.

Let the number of red counters be y.

Let the number of black counters be z.

Thus;

z:x = 2:7

Thus; 2x/7 = z

Also, we are given;

x:y = 3:8

Thus;

8x/3 = y

  • Since total number in the box is 1079,then;

x + y + z = 1079

x + (8x/3) + (2x/7) = 1079

Multiply through by 21 to get;

21x + 56x + 6x = 22659

83x = 22659

x = 22659/83

x = 273

2x/7 = z

Thus; z = 2 × 273/7

z = 78

8x/3 = y

y = 8 × 273/3

y = 728

  • Thus,there are;

273 white counters

728 red counters

78 black counters.

Read more at; brainly.com/question/11712611

4 0
2 years ago
Which of the following is equivalent to (5x^2)(4x^3)
Veronika [31]

Answer:

20x^5

Step-by-step explanation:

You just multiply 5 by 4 and get 20 and when multiplying exponents you just add them together so you get 20x^5

7 0
3 years ago
Which cereal box deal has the best price per ounce?
DaniilM [7]

Answer:

$9.14 for 39 oz

Step-by-step explanation:

6.12/24 = 0.255 = 0.26

3.56/14 = 0.254 = 0.25

9.14/39 = 0.234 = 0.24

4.98/18 = 0.276 = 0.28

So,

$9.14 for 39 oz is the best price per ounce

3 0
3 years ago
Read 2 more answers
Write the function in standard form.<br> f(x) = - 2(x - 9)2 + 14<br> f(x)=
Archy [21]
F(x) = -2 (x-9)2 + 14
= -4(x-9) + 14
= -2 [ 2(x-9) -7 ]
= -2 (2x -18 -7)
= -2 (2x -25)
3 0
3 years ago
Other questions:
  • How would you figure out C, and whats the answer?
    12·1 answer
  • Andrea visits a casino to play a game of American roulette. A roulette wheel has 38 slots, numbers 1-36 and a 0 and a 00. She be
    15·1 answer
  • Can someone help me with this question.
    5·2 answers
  • Combine the like terms: 6a + 8b - 3a<br><br> I think its 3a + 8b, am I correct?
    11·1 answer
  • Help please!!.......​
    8·1 answer
  • 3. The first car of the train, right behind the engine, contains 10 boxes. In each of the following
    6·1 answer
  • A circle has a diameter of 20 inches. What is the approximate area of the circle (using π = 3.14)? *HEELP
    7·2 answers
  • Please help... it’s about Pythagorean theorem! I attached the image of the question
    15·1 answer
  • I need answers ASAP
    9·1 answer
  • The retail price of a new iPhone is $850. Jailyn purchased the phone for $896.75. What was the tax rate as a percentage?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!