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3 years ago

Why did the SDS build a case against the university?

Mathematics

1 answer:

Readme [11.4K]3 years ago

7 0

This isn’t a math equation

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Beaker A contains 1 liter which is 30 percent oil and the rest is vinegar, thoroughly mixed up. Beaker B contains 2 liters which

alekssr [168]

Answer:

1.25 liters of oil

Step-by-step explanation:

Volume in Beaker A = 1 L

Volume of Oil in Beaker A = 1*0.3 = 0.3 L

Volume of Vinegar in Beaker A = 1*0.7 = 0.7 L

Volume in Beaker B = 2 L

Volume of Oil in Beaker B = 2*0.4 = 0.8 L

Volume of Vinegar in Beaker B = 1*0.6 = 1.2 L

If half of the contents of B are poured into A and assuming a homogeneous mixture, the new volumes of oil (Voa) and vinegar (Vva) in beaker A are:

$V_{oa} = 0.3+\frac{0.8}{2} \\V_{oa} = 0.7 \\V_{va} = 0.7+\frac{1.2}{2} \\V_{va} = 1.3$

The amount of oil needed to be added to beaker A in order to produce a mixture which is 60 percent oil (Vomix) is given by:

$0.6*V_{total} = V_{oa} +V_{omix}\\0.6*(V_{va}+V_{oa} +V_{omix}) = V_{oa} +V_{omix}\\0.6*(1.3+0.7+V_{omix})=0.7+V_{omix}\\V_{omix}=\frac{0.5}{0.4} \\V_{omix}=1.25 \ L$

1.25 liters of oil are needed.

6 0

2 years ago

The triangle below are similar. Which similarity statements describe the relationship between the two triangles? Check all that

Elodia [21]

Answer:

these three apply:

ΔCBA ≈ ΔFED

ΔBAC ≈ ΔEDF

ΔABC ≈ ΔDEF

Step-by-step explanation:

3 0

2 years ago

4 out of 9 dogs weigh less than 20 pounds. What is the decimal equivalent for the number of dogs weighing under 20 pounds?

iVinArrow [24]

4/9=0.44444444 repeating

6 0

2 years ago

Which is an equation of the line that passes through the point(2,3) and has a slope of 1/3

777dan777 [17]

Y = 1/3x + b
Plug in the point
3 = 1/3(2) + b
3 = 2/3 + b, b = 7/3
Solution: y = 1/3x + 7/3

7 0

2 years ago

Marsha orders a secret menu item and gives the cashier $20 to pay for 3 large pretzels The cashier gives her $5.03 in change. Ea

vredina [299]

Answer:

Each pretzel is $4.99

Step-by-step explanation:

20 - 5.03 = 3x

14.97 = 3x

4.99 = x

4 0

2 years ago