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
patriot [66]
3 years ago
10

How much pure acid should be mixed with 7 gallons of a 40 % acid solution in order to get an 80 % acid​ solution?

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
4 0

14 gallons of pure acid
You might be interested in
A room in the shape of a triangle has sides of length 7 yd, 8 yd, and 11 yd. If carpeting costs $17.50 a square yard and padding
Monica [59]
770 dollars I think I'm not 100% sure
7 0
3 years ago
Read 2 more answers
A: value of g(2) is larger than value of g(-4)
loris [4]

Answer:

g(2) = 4(2) - 5 \\  = 8 - 5 \\  = 3 \\  \\ g( - 4) = 4( - 4) - 5 \\  =  - 16 - 5 \\  =  - 21

The answer is A

8 0
3 years ago
a shipping company charged $15 to ship a package and 5% to ensure the package what was total cost to ship this
postnew [5]

Answer:

15.75

Step-by-step explanation:

So we know 5% is 1/20 out of 100 (20x5=100) so then we need to set up the equation to find how much 5% of 15 is. Which is .75 cents. So we then add the 75 cents to the already $15 shipping fee to get an answer of 15 dollars and seventy five cents.

6 0
3 years ago
Read 2 more answers
CAN somebody plz plz help me with raios
Kaylis [27]
I can help what are the problems
5 0
3 years ago
In a recent school newspaper survey, 3,000 randomly selected teenagers were asked to cite their primary transportation method to
Verizon [17]

Answer: There is a 90% chance that the true proportion of teenagers who drive their own car to school will lie in (0.5907, 0.9093).

Step-by-step explanation:

Interpretation of a% confidence interval : A person can be a% confident that the true population parameter lies in it.

Here, A 90% confidence interval to estimate the true proportion of teenagers who drive their own car to school is found to be (0.5907, 0.9093).

i.e. A person can be 90% confident that  the true proportion of teenagers who drive their own car to school lies in (0.5907, 0.9093).

Hence, correct interpretation is : There is a 90% chance that the true proportion of teenagers who drive their own car to school will lie in (0.5907, 0.9093).

7 0
2 years ago
Other questions:
  • If a child's knowledge of the alphabet is limited to the letters a, b, c, i, and e, and if the child writes two letters at rando
    7·2 answers
  • What does -2 raised by 10 equal to?
    14·2 answers
  • Researchers report that on average freshman who live on campus gain 15 pounds during their first year in college. You survey 10
    12·1 answer
  • Identify the vertex of the Parabola Please help!!
    8·2 answers
  • The diagram shows a right angled triangle use pythagoras theorem to work out length of side ac
    11·1 answer
  • This sculpture designed by Mr. Newman’s colleague, Tia, is shaped like a hollow triangular pyramid. All 3 of the lateral faces a
    14·1 answer
  • The volume of a swimming pool is 4x^3 - 20x^2 + 3x - 15 . what is one of the dimensions of the pool
    15·1 answer
  • What is 7 4/5+-2/3 I can’t find the answer
    5·1 answer
  • En un colegio hay 315 alumnos de los cuales 1/3 son mujeres y el resto hombres. 2/7 de los hombres juegan al fútbol y el resto a
    11·1 answer
  • Circle x has a circumference of 44cm
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!