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
iogann1982 [59]
2 years ago
14

A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The prem

ium antifreeze solution contains 70% pure antifreeze. The company wants to obtain 140 gallons of a mixture that contains 20% pure antifreeze. How many gallons of water and how many gallons of the premium antifreeze solution must be mixed
Mathematics
1 answer:
snow_tiger [21]2 years ago
7 0

Answer:

40 gallons of premium antifreeze and 100 gallons of water should be used to obtain 140 gallons of a mixture that contains 20% pure antifreeze.

Step-by-step explanation:

Since a chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture, and the premium antifreeze solution contains 70% pure antifreeze, and the company wants to obtain 140 gallons of a mixture that contains 20% pure antifreeze, to To determine how many gallons of water and how many gallons of the premium antifreeze solution must be mixed, the following calculation must be performed:

50 x 0.7 + 50 x 0 = 35

40 x 0.7 + 60 x 0 = 28

30 x 0.7 + 70 x 0 = 21

29 x 0.7 + 71 x 0 = 20.3

28.57 x 0.7 + 71.43 x 0 = 20

140 x 0.2857 = 40

Therefore, 40 gallons of premium antifreeze and 100 gallons of water should be used to obtain 140 gallons of a mixture that contains 20% pure antifreeze.

You might be interested in
An extremely large sink hole has opened up in a field just outside of the city limits. It is difficult to measure across the sin
abruzzese [7]
Triangle ABC and triangle DCE are congruent, so line DE = line AB

Use the cosine rule to find angle ACB
52.2^{2}= 50^{2}+  70^{2}-(2*50*70*cos(ACB))
2724.84=7400-(7000cos(ACB))
2724.84-7400=-7000cos(ACB)
-4675.16=-7000cos(ACB)
\frac{4675.16}{7000}=cos(ACB)
Angle ACB= cos^{-1} ( \frac{4675.16}{7000})
Angle ACB = 48.1°

5 0
3 years ago
You need 3 cups of cherries for every 5 cups of watermelon in a recipe for cherry-watermelon fruit smoothies.how many cups of ea
Paha777 [63]

Answer:

24 cups of cherries and 40 cups of watermelon.

Step-by-step explanation:

3 + 5=8

64 divided by 8 = 8

3x8= 24

5x8= 40

24 + 40 = 64

6 0
3 years ago
Simplify (-3k + p – 1) – (2k – 6p – 2)
Rom4ik [11]

Answer:

-5k+7p+1 I THINK

Step-by-step explanation

destribute the negative

(-3k + p – 1) – (2k – 6p – 2)

-2k+6p+2

add to the (-3k + p – 1) to simplify

-5k+7p+1

3 0
3 years ago
1.) Which equation is a point slope form equation for line AB ?
Aleonysh [2.5K]
I believe it's B. I hope this helps
8 0
3 years ago
Read 2 more answers
A box is 20 cm long. Which of these is closest to the length of this box in feet?
Dominik [7]

Answer: 0.66 Feet

Step-by-step explanation: There are 2.54 centimeters in an inch and there are 12 inches in a foot.

<em>Please mark me as brainliest! </em>

5 0
3 years ago
Other questions:
  • Find the missing term. () + (7 − 3i) + (5 + 9i) + 13i = 10 − 5i.
    6·2 answers
  • As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. Convert this speed to kilometers
    8·1 answer
  • X^2+(x-8)^2-3(x+2) = 2(x+9)
    13·1 answer
  • Suzanne bought a sweater at the sale price of $25. The original cost of the sweater was $40. What percent represents the discoun
    11·2 answers
  • Can someone help me out?
    13·1 answer
  • Find the 22th term in the arithmetic sequence<br> 23,14,5,-4
    8·1 answer
  • ANSWER NO LINKS!!!! OKAY
    12·2 answers
  • Solve for x. does anyone know how to do these so i could do them myself
    6·1 answer
  • The price of 6 cans of soda is $5.10. What is the constant of proportionality that relates the cost in dollars, y, to the number
    14·1 answer
  • What is the probability of rolling a 1 or 2 when a six-sided die is rolled 700 times. Round your answer to the nearest whole num
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!