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shaunarothh1276
29.01.2021 •
Mathematics
HELP ASAP!
Solve.
{j+k=3j−k=7
Use the substitution method.
The solution is (5, −2).
There are an infinite number of solutions.
The solution is (8, 1).
There is no solution.
Solved
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Ответ:
j-k = 7
Adding the equations together:
2j = 10
j = 5
5+k = 3
k = -2
Ответ:
7 bottles
Step-by-step explanation:
Christie needs to buy at least 45 fluid ounces of milk at the store.
33.8 fluid ounces=1 Liter
1 fluid ounce =
Liters
45 fluid ounces =![\dfrac{1}{33.8} \times 45 =1.3313$ Liters](/tpl/images/0698/7975/c6250.png)
Now:
1 Liter =1000 Milliliter
Therefore:
1.3313 Liter= 1000 X 1.3313 Milliliters
1.3313 Liter= 1331.3 Milliliter
Therefore, the smallest number of 200 milliliter bottles Christie must buy is: