answer.
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
algol13
2 years ago
14

Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solut

ion. Which equation can Bruce use to determine how much of the 10% alcohol solution he should use?
A.0.10x + 0.15(50 – x) = 50 + 0.12
B.0.10x + 0.15(50 – x) = 0.12(50)
C.0.10x + 0.15(50 – x) = 50 + 0.12 + 0.12(50)
D.(0.10x)(0.15)(50 – x) = 0.12(50)
Mathematics
2 answers:
Daniel [21]2 years ago
5 0
B
Here, x is the volume of the 10ml solution. Multiplying it by its concentration gives the amount of alcohol in it. 50 is the total volume of the 12% solution so (50 - x) gives the volume of the 15% solution. Multiplying this by the concentration gives the amount of alcohol in it. The sum of these amounts of alcohols is equivalent to the amount of alcohol in the 12% solution which is given by the product of its volume and concentration.
tamaranim1 [39]2 years ago
5 0

Answer:

B

Step-by-step explanation:

You might be interested in
Luis is saving money to purchase a new video game. He has a total of 30 coins consisting of nickels and dimes. The value of the
bekas [8.4K]
N + d = 30 and 5n + 10d =220 
4 0
2 years ago
Read 2 more answers
The radius of a cylinder is 5" and the lateral area is 70 sq. in. Find the length of the altitude. 2.8" 7" 14"
algol13
The correct question is
<span>The radius of a cylinder is 5" and the lateral area is 70pi sq. in. Find the length of the altitude.
</span>
we know that

[surface lateral area]=(2*pi*r)*height
height= [surface lateral area]/(2*pi*r)
surface lateral area=70*pi in²
r=5 in 
so
height= [70*pi]/(2*pi*5)------> 7 in

the answer is
7 in
5 0
2 years ago
Match the expression with its name. 10x2 – 5x + 10
puteri [66]

Answer:

Step-by-step explanation:

quadratic trinomial :  YES.  Three terms, 2nd order polynomial.

cubic monomial:  NO; this is neither a cubic nor a monomial (1 term).

not a polynomial :  NOT true; this is definitely a polynomial.

fourth-degree binomial:   NO; it's a second-degree trinomial.

5 0
2 years ago
A cereal company fills boxes with 16 ounces of cereal. The acceptable percent error in filling a box is 2.5%. Find the least and
Ket [755]
If the acceptable percent error is 2.5%, then the amount it can be over or under 16 oz is 0.4oz.
16 + 0.4
16 - 0.4
16.4 is the greatest, 15.6 is the least
8 0
2 years ago
Which of these is longest distance 0.1203km or 123m or 1230cm or 12030mm
bogdanovich [222]
<h3>Answer: 123 meters is the longest </h3>

============================

Work Shown:

Convert everything to the same unit. I'm going to convert everything to meters

0.1203 km = 120.3 meters (multiply by 1000)

1230 cm = 12.3 meters (divide by 100)

12030 mm = 12.03 meters (divide by 1000)

------------------

The four distances we have are: 120.3 meters, 123 meters, 12.3 meters, 12.03 meters. We see that 123 meters is the longest.

7 0
2 years ago
Other questions:
  • Question:twice as much as the sum of eighteen and eleven<br><br> in numbers and don't solve
    11·2 answers
  • Terrence walks at a pace of 2 mi/h to the theater and watches a movie for 2 hours and 15 min he rides a bus back home at 40 mi/h
    7·1 answer
  • If Julie invests $9,250 at a rate of 7%, compounded weekly, find the value of the investment after 5 years.
    14·1 answer
  • This is super important for my grade guys can you please let me know the answer
    9·1 answer
  • The Graduate Record Examination and the Miller’s Analogy Test are generally used for _______________.
    11·1 answer
  • The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to
    15·1 answer
  • The dot plot below shows how many chocolate chips were in each cookie Lauren brought to school.
    9·1 answer
  • Mrs. Williams estimates that on average her family recycles 12.6 pounds of plastic each month. In a year's time, how much landfi
    15·2 answers
  • Which of the following sets of ordered pairs represents a function?
    5·1 answer
  • Answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!