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
mihalych1998 [28]
3 years ago
10

If you wanted to mix pure methane with water and end up with 70 gallons of 20% methane, how many gallons of each should you use?

You should use gallons of water and gallons of methane > Next Question​
Mathematics
1 answer:
PtichkaEL [24]3 years ago
3 0

Answer:

You want 40% of 140 gallons to be methane,

so 60% of 140 gallons is water

methane:  0.4(140) = 56 gallons

water:  0.6(140)  = 84 gallons

Step-by-step explanation:

You might be interested in
Which is the only center point that lies on the edge of a triangle?
Alekssandra [29.7K]

Answer:

Circumcenter of a right triangle is the only center point that lies on the edge of a triangle. Step-by-step explanation: Circumcircle is the circle that passes through all three vertices of the triangle.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Is 16x2 - 16x + 4 a perfect square?
Andrew [12]

Answer:

Yes

Step-by-step explanation:

Use the completing the square method:

16(x^2-x)+4

=16((x-1/2)^2 - (1/2)^2)+4

=16((x-1/2)^2 - 1/4)+4

=16((x-1/2)^2) - 16/4 + 4

=16(x-1/2)^2

=4^2(x-1/2)^2

The product of two square is itself a square.

5 0
3 years ago
What is the MEAN of 86,90,93,85,79,92?
rodikova [14]
The mean to your problem is 87.5
8 0
3 years ago
Read 2 more answers
There are between<br> and<br> languages spoken around the world.
andrew-mc [135]
There is around 6,500 languages around the world
6 0
4 years ago
Read 2 more answers
It is recommended that 13-year old girls get 45 milligrams of vitamin C each day . The table shows the vitamin C content of thre
dsp73
<h2> The answer is B. 600 </h2>
4 0
3 years ago
Other questions:
  • I need help with #13 please
    11·1 answer
  • Amanda is making pastry dough. She mixes 1/3 of a cup of flour and 1/5 of a cup of sugar. If she wants to
    5·1 answer
  • Translate the word phrase into an algebraic expression.
    8·1 answer
  • Prove that......... ​
    11·1 answer
  • 11 pints is how may quarts
    15·1 answer
  • How many wheels are on 27 cars?
    13·2 answers
  • For spirit week at a local high school, students were encouraged to wear their school colors of green and white. 2,400 students
    12·1 answer
  • . <br> Find the measure of angle C if the area of triangle ABC (below) is 54 square inches.
    14·1 answer
  • Help! I’ll mark your brainly
    7·2 answers
  • The half-life of a radioactive kind of strontium is 10 hours. How much will be left after 40 hours, if you start with 80 grams o
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!