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
Harlamova29_29 [7]
2 years ago
10

A chemist needs a 70% solution of tannic acid. How much distilled water must he add to 5 gallons of a 90% solution of acid to ob

tain the 70% solution?
Mathematics
1 answer:
kolezko [41]2 years ago
6 0
<span>4.5 + 0 = 3.5 + 0.7x
1 = 0.7x
x = 1/0.7
x = 1.43 gallons of distilled water 
Hope this helps!!</span>
You might be interested in
I just need #21 and #23 answered please.
kykrilka [37]
#21: Even
#23: Neither
7 0
3 years ago
Read 2 more answers
Erin wants to carpet the floor of her closet. a floor plan of the closet is 4ft x 10ft x 3ft x 6ft. how much carpet does Erin ne
sammy [17]
You have to muliply it all togeather to get the exact answer. 4 times 10 equals 40 40 times 3 equals 120 then 120 times 6 equals 720 and thats the right answer
4 0
3 years ago
Help me which one is a linear fUnction
horsena [70]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The following table shows a portion of a three-year amortization schedule.
shepuryov [24]

Answer:

C) The amount applied to the principal is increasing each month.

Step-by-step explanation:

I took the test

6 0
3 years ago
Read 2 more answers
The expendlvre on good of a ram is Rs 8000 . If the number of degree of sector food is 40°. Find his total expenditure.
anzhelika [568]

The total expenditure is Rs 72,000.

<h3>What is the total expenditure?</h3>

The total expenditure can be determined using this equation:

(total amount spent on a good x total value of circle) / degree of the sector of good

(8000 x 360) / 40 = Rs 72,000

To learn more about division, please check: brainly.com/question/194007

#SPJ1

7 0
1 year ago
Other questions:
  • what's the final volume of a gas with an initial volume of 75ml if the pressure decreases from 300ml to 200ml? A. 50.0ml B.112.5
    11·2 answers
  • What is the decimal and percent of 1/3
    15·2 answers
  • Monica paid sales tax of $1.50 when she bought a new bike helmet. If the sales tax rate was 5% , how much did the store charge f
    11·2 answers
  • 9. Miguel measures 5 kg of rice. One kilogram is approximately equal to 2.2 pounds. Which
    10·1 answer
  • This is getting harder and harder please give me the correct answer<br><br><br>and explain
    15·2 answers
  • in the Pythagorean theorem, the two must always be substituted for the side lengths, not a short side true or false
    12·1 answer
  • Help please I’m begging you
    12·2 answers
  • Mandy is trying to subtract 7 − 12, and she has asked you for help. How would you explain the process of solving the problem to
    5·2 answers
  • Help me plzzz I’ll mark Brainly!!!
    7·1 answer
  • A triangle has angle measurements of 89°, 78°, and 13°. What kind of triangle is it?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!