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den301095 [7]
3 years ago
14

1. Natalie bought 5 cartons of milk and received $2.50 in change. The following week she bought two cartons and received $7 in c

hange. If she gave the same amount of money to the shopkeeper each time, work out the cost of each carton of milk.
2. Yvonne wants to buy a car which costs $23,000. She pays a deposit of $14,000 and then arranges to pay an amount each month for the next three years. How much should each monthly payment be if she wishes to payoff the car in three years?

3. At the end of the term each student in the class was given their average test score in maths. During the term the class had sat three tests. For two of her tests Leonie had obtained results of 93% and 85% but she had forgotten her result in the third. Work out this unknown result for Leonie if she scored an average of 91%
Mathematics
1 answer:
Zanzabum3 years ago
5 0
1. Each carton of milk costs 1.50.
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yarga [219]
17 miles / 5 mph = 3.4 hours

22miles / 7 mph = 3.14 hours

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Sunny_sXe [5.5K]
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Which of the following is the most appropriate unit to describe the rate at which people are entering a theme park?
ad-work [718]

The <u><em>correct answer</em></u> is:

d) People per hour, because the dependent quantity is the people

Explanation:

In this situation, the two quantities are people and hours. These are the two things in this problem we can count or measure.

The independent variable is the one that causes a change, while the dependent variable is the one that <em>gets</em> changed. In this situation, the number of people change every hour; this means the number of people <em>gets</em> changed, which makes it the dependent variable. This means that the independent variable must be time.

Since people is dependent and time is independent, "people per hour" would be the best form of this statement.

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3 years ago
What would be the length and width of a 50" TV that has an aspect ratio of 4:3?
Reika [66]

Check the picture below.

4 0
3 years ago
Find all numbers that are not in the domain of the function
leonid [27]
Domain values represent possible x values that are allowed to be plugged in and produce a y value. The values (in this case value) that are not allowed to be plugged in are what make the denominator zero (since you cannot divide by zero). Simply set the denominator equal to zero to figure out this value. 

3x + 8 = 0
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x= -8/3, this value is not in the domain.
6 0
3 years ago
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