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Elina [12.6K]
3 years ago
9

At a school, each class period is 3/4 hour long. If there are 6 hours of class time in a school day, how many class periods are

there?​
Mathematics
2 answers:
Vsevolod [243]3 years ago
7 0

Answer:

34%

Step-by-step explanation:

kompoz [17]3 years ago
5 0

Answer:

2 im thinking this so tell me if i got it wrong

Step-by-step explanation:

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Write a function to represent the set of ordered pairs.
77julia77 [94]

Answer:

Option C   f (x) = x^ 2 - 2

Step-by-step explanation:

Note that the relation describing the set of ordered pairs does not change at a costing rate

y_2 -y_1 = 7-2 = 5\\\\y_3 -y_2 = 14- 7 = 7\\\\y_4 - y_3 = 23- 14 = 9

Therefore the relationship is not linear.

However, the exchange rate y_n- y_{n-1} increases by a factor of 2 units when n increases 1 unit. This allows us to conclude that the relationship is quadratic

Note that the following ordered pairs belong to the function

y = x ^ 2

A = {(2, 4), (3, 9), (4, 16), (5, 25)}

The set of ordered pairs that we have is:

B = {(2, 2), (3, 7), (4, 16), (5, 23)}

Note that there is a similarity between both sets of ordered pairs.

In set B the values of y are always 2 units less than the values in y of the set A.

Then we deduce that since the function that models the set A is y = x ^ 2 then the function that contains the ordered pairs of the B set is:

y = x ^ 2 -2

The correct option is option C) f (x) = x^ 2 - 2

8 0
3 years ago
Four times Audrey’s age plus 7 is Patricia’s age. Patricia is 23. What is Audrey’s age
babymother [125]

Answer: 4

Step-by-step explanation:

I think the answers correct because, If they give us pactricia's age and it's 23, then we have to subtracct 7 and divide by 4. First of all 23 minuts 7 equals 16, then we divide 16 by 4 and that equals 4 and you got your answer.

Hope This Helps!

8 0
3 years ago
Read 2 more answers
--8W + 5 = -43<br> what’s this?
nataly862011 [7]

Answer:

it is the equation which you have to solve.

3 0
3 years ago
carisa and amy went to a restaurant. carisa's meal cost $5.92. amy's meal cost $6.46. they gave the waiter the bills shown above
adelina 88 [10]

Answer:

54 cents

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Sam sells necklaces for $10 each. Each necklace costs her $5 to make. She also has $5,000 in fixed costs per year for her jewelr
Marina CMI [18]

profit = revenue - expenses

Filling in the given values, where n is the number of necklaces Sam must sell ...

... 1000 = 10n - (5n +5000)

... 6000 = 5n . . . . . . collect terms, add 5000

... 1200 = n . . . . . . . divide by 5

The appropriate choice is

... D. 1200

4 0
3 years ago
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