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
valentina_108 [34]
3 years ago
15

a 5L solution was 21% vinegar was mixed with a 13L solution that was 60% vinegar. find the new concentration of vinegar.

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Let the concentration of new vinegar solution is x%.

According to question, we will get

0.21*5 +0.6*13 = 0.0x*(5+13)

1.05 +7.8 = 0.18x

8.85 = 0.18x
\\
x = 49.17

Therefore the new concentration of vinegar is 49.17% .

You might be interested in
Which expression is equivalent to(2^3)^-5
Nady [450]

Answer:

hope this helps if not im sorry

Step-by-step explanation:

(2^3)^5

=2^(3*5)

= 2^15

3 0
3 years ago
Classify the figure in as many ways as possible.
Dima020 [189]
The answer is D.

This figure has 4 sides which makes it a quadrilateral.

This figure has 2 sets of parallel sides which makes it a parallelogram.

This figure has 4 equal sides which makes it a rhombus.

This figure has 4 right angles which makes it a rectangle.

And this figure has both 4 equal sides and 4 equal angles which makes it a square.

To make it easier, all squares are: quadrilaterals, parallelograms, rhombuses, rectangles and of course squares.
3 0
3 years ago
(x - 5)(x + 2) Polynomial
olya-2409 [2.1K]
X^2-3x-10. You solve it by foiling. I attached a photo explaining how to do it.
7 0
3 years ago
What percentage of $15 is 75 cent​
Aleks04 [339]

Answer: What percentage is 15 out of 75?

20

Percentage Calculator: 15 is what percent of 75? = 20.

5 0
3 years ago
Read 2 more answers
4p + 8 - 3p - 2
kozerog [31]
Well that friend should write p + 6 after combining like terms and simplifying
6 0
2 years ago
Other questions:
  • Sally sold a decorated flowers that cost the same amount each plus a dozen roses for $28.All together she sold $73 in flowers.Ho
    12·1 answer
  • Factors and common factors of 24,64,88
    7·1 answer
  • she brought the cameras for $65 each and included a 60% markup to get the selling price ,what was the selling price for one came
    8·2 answers
  • A triangle has a bottom left angle of (x + 15) degrees and a bottom right angle of (x degrees). 1 parallel and horizontal line s
    13·1 answer
  • Rectangle A has a length of 2 and a width of 10. Rectangle B has a length of 4
    14·1 answer
  • What is the equation of a circle with its center at (10,−4) and a radius of 2?
    12·1 answer
  • ∫1/(1+sinx^2 +2cos^2x)
    9·1 answer
  • Is 4.47214 a rational number
    11·2 answers
  • Please answer this math riddle for me ASAP!!! please
    10·2 answers
  • The radius of a circle is 2.9 in. What is the circumference to the nearest tent to the nearest tenth?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!