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
Fantom [35]
3 years ago
8

Determine the number of units of solution 2 required to obtain the desire percent alcohol concentration of the final solution. T

hen find the amount of the final solution. Concentration solution 1 is 10%. Amount of solution for 1 is 2gal. Concentration of solution 2 is 30% what is the amount for solution 2?
Mathematics
1 answer:
KiRa [710]3 years ago
8 0

Answer:

0.66 gal.

Step-by-step explanation:

The following should apply:

C1 * V1 = C2 * V2

we have that C1 is 0.1, that C2 is 0.3 and that V1 is equal to 2 gal

replacing the values we have that:

0.1 * 2 = 0.3 * V2

reorganizing the equation we have:

V2 = 0.1 * 2 / 0.3 solving this remains 0.66.

It means that the amount of solution 2 is 0.66 gal.

You might be interested in
A flagpole casts a shadow that is 12 ft long. A 6-ft tall man casts a shadow
Vikentia [17]

Answer:

9ft

Step-by-step explanation:

Since the triangles are similar, the corresponding sides are proportional.

Let the height of the flag pole be x feet.

\frac{x}{6}  =  \frac{12}{8}

We multiply both sides by 6 to get:

x =  \frac{12}{8}  \times 6

We reduce the fraction to get:

x =  \frac{3}{2}  \times 6

We now simplify

x = 3 \times 3

x = 9ft

4 0
3 years ago
I think one of them is x-100.
vova2212 [387]
The second answer.
You have the first prize, x.
Then you have the second prize, which is x - 50.
Then you have the third prize, which is x - 50 -50, or x - 100.
So the total money is:
x + (x-50) + (x-100).
5 0
3 years ago
a water balloon is tossed into the air with an upward velocity of 25 ft/s its height h(t) in ft after t seconds is given by the
Montano1993 [528]
When the height is 0 that is when it hits the ground
solve
0=-16t²+25x+3
cant factor so use quadratic formula

for
0=ax²+bx+c
x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}

so for
0=-16t²+25t+3
a=-16
b=25
c=3
so

x=\frac{-25+/-\sqrt{25^2-4(-16)(3)}}{2(-16)}
x=\frac{-25+/-\frac{625+192}}{-32}
x=\frac{-25+/-\frac{817}}{-32}
it has to be a positive time

so it will hit the ground after \frac{25+\sqrt{817}}{32} seconds
4 0
3 years ago
Complete the table for the function y=x+3 <br><br> x - y <br> 0 -<br> 2 -<br> 4 - <br> 6 -
Rus_ich [418]
For each x value, add 3 to get y values.
0+3=3
2+3=5
4+3=7
6+3=9

Final answers, respectively: 3,5,7,9
7 0
3 years ago
What is the inverse of y=2x+7
Katyanochek1 [597]
Y=(0,7)
Root: (-7/2,0)
3 0
3 years ago
Other questions:
  • A toy rocket is launched straight up into the air with an initial velocity of 60ft/s from a table 3 ft above the ground. If acce
    7·1 answer
  • What is the vertical change from Point A to Point B? What is the horizontal change from Point A to Point B? What is the rate of
    15·2 answers
  • How many sides does a regular polygon have if each exterior angle measures 72
    8·1 answer
  • What is the simplest value of exponential expression 27^1/3
    11·1 answer
  • Which equation represents a line that passes through (-9, -3) and has a slope of -6?
    6·1 answer
  • Write each as a decimal. Round to the thousandths place.<br> 9) 78.4%<br> 10) 29%<br> Help
    8·1 answer
  • What number is 40% of 160?
    14·1 answer
  • When making bread from scratch, the receptor calls for 4/5 cup of water. If you need to make a smaller portion of the recipe, ho
    13·1 answer
  • 100 points! Look at the picture attached. Random answers and links will be reported
    10·1 answer
  • Please help me with this math problem. I have to Use the quadratic formula to solve each equation.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!