devontadunn4789
06.04.2020 •
Mathematics
How much of a 30% solution do you need to add to 280 ml of water to obtain a 4% solution? Need to set up 2 equations with two variables each to find x and y
The hints given are:
x=the amount of ml's needed to be added to the 280 mls and
y= the amount of the 30% solution that is contained in the amount added to the 280 mls
Solved
Show answers
More tips
- F Family and Home When and how to start introducing solid foods to your baby?...
- B Business and Finance Moneybookers – What it is and How it Works...
- C Computers and Internet How to Format Your C Drive: Detailed Guide and Tips...
- F Food and Cooking What can and cannot be eaten during Lent?...
- H Health and Medicine What to Do When Your Jaw Locks Up?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- D Dating, Love, Relationships Is it a Compliment or Flattery: What s the Difference?...
- S Science and Technology The Metric System in Our Daily Life: Understanding Its Importance...
- C Computers and Internet What to Do If Your ICQ Gets Hacked?...
- C Computers and Internet How to Choose a Monitor?...
Answers on questions: Mathematics
- M Mathematics Need help ok answering this question giving you 35 coins...
- M Mathematics In an examination for final student of a school 60 offered history, 50 economics and 48 literature, 30 Offered history and economics 16 Offered history and literature 22...
- M Mathematics Plz help with question 12 ASAP...
- M Mathematics Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion....
- M Mathematics I need help with six and seven plz...
- M Mathematics What is the length of each leg of the triangle below? 22 90°...
- M Mathematics If each vector in R3 is rotated through an angle of =/6 (=30 °), then calculate the rotation of x= vector. (Note: the rotate matrix is R=)...
- M Mathematics P(x,y) reflection in x=y line...
- M Mathematics Select the correct answer. What is the measure of the indicated central angle? r= 8 6T ОА. . 120° OB. 145° OC. 150° OD. 130° OE. None of the above...
- M Mathematics What is the measure of the Indicated central angle? 3/4T r = 5 OA. None of the above OB. 27° O c. 96° OD. 54° E. 48°...
Ответ:
x+y = 29, 5x + 2y = 100
step-by-step explanation:
i'm guessing it was a multiple first option was the correct answer