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ddd [48]
4 years ago
10

Next weekend, a student wants to study for his four classes. If he has h hours to study in all and he wants to devote the same a

mount of time to each class, how much time will he study per class?
Mathematics
1 answer:
ozzi4 years ago
4 0
Maybe I hour a class..............................
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How many liters of a 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 30% solution?
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You would need to add 360L of the 20% ethanol solution. 
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3 years ago
Using the midpoint method, calculate the price elasticity of demand of Good Z using the following information: When the price of
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Answer: (B) The price elasticity of demand for good Z = 0.86

Step-by-step explanation:

The formula for determining elasticity of demand by using the midpoint method is

(Q2 - Q1)/[(Q2 + Q1)/2] / (P2 - P1)/[(P2 + P1)/2]

Where

P1 is the initial price of the item.

P2 is the final price of the item.

Q1 is the initial quantity demanded for the item.

Q2 is the final quantity demanded for the item.

From the information given,

P1 = 10

P2 = 15

Q1 = 85

Q2 = 60

The price elasticity of demand for good Z = (60 - 85)/[(60 + 85)/2] / (15 - 10)/[(15 + 10)/2]

= (-25/72.5) / (5/12.5) = -25/72.5 × 12.5/5

= - 312.5/362.5 = - 0.86

6 0
4 years ago
Which of the following expressions represents a function?
lora16 [44]
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3 years ago
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A group of children 6 to 10 years old were asked how many video games they owned. The scatter plot shows the results. What is th
jolli1 [7]

The range of the video games owned for the cluster is between 8 to 10.

Given

A group of children 6 to 10 years old were asked how many video games they owned.

The scatter plot shows the results.

<h3>What is the range?</h3>

The range is the difference between the lowest and highest numbers in a data set.

The range of video games owned for the cluster is 8 to 10.

Therefore,

The range of the video games owned for the cluster is;

\rm Range = Highest \ value - lowest \ value\\\\Range=10-8\\\\Range=2

Hence, the range of the video games owned for the cluster is between 8 to 10.

To know more about Range click the link given below.

brainly.com/question/8041076

7 0
3 years ago
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