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mrs_skeptik [129]
4 years ago
5

Jenny decides to save her babysitting money for her college education instead of using it to buy a new outfit. Jenny's choice is

an example of which of the following economic principles? Select the best answer from the choices provided. a cost-benefit analysis the law of supply the law of demand a trade-off NextReset]
Mathematics
1 answer:
Simora [160]4 years ago
6 0
The correct answer is trade off.
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(a) If U = {y:5 20), P= {7,8,12, 19; and Q = {12, 15, 17, 19), find PU Q and P-Q.
storchak [24]

<em>Solution</em><em>,</em>

<em>P=</em><em>{</em><em>7</em><em>,</em><em>8</em><em>,</em><em>1</em><em>2</em><em>,</em><em>1</em><em>9</em><em>}</em>

<em>Q=</em><em>{</em><em>1</em><em>2</em><em>,</em><em>1</em><em>5</em><em>,</em><em>1</em><em>7</em><em>,</em><em>1</em><em>9</em><em>}</em>

<em>P </em><em>U </em><em>Q=</em><em>{</em><em>7</em><em>,</em><em>8</em><em>,</em><em>1</em><em>2</em><em>,</em><em>1</em><em>9</em><em>}</em><em> </em><em>U </em><em>{</em><em> </em><em>1</em><em>2</em><em>,</em><em>1</em><em>5</em><em>,</em><em>1</em><em>7</em><em>,</em><em>1</em><em>9</em><em>}</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>{</em><em> </em><em>7</em><em>,</em><em>8</em><em>,</em><em>1</em><em>2</em><em>,</em><em>1</em><em>5</em><em>,</em><em>1</em><em>7</em><em>,</em><em>1</em><em>9</em><em>}</em>

<em>P-Q=</em><em>{</em><em>7</em><em>,</em><em>8</em><em>,</em><em>1</em><em>2</em><em>,</em><em>1</em><em>9</em><em>}</em><em>-</em><em>{</em><em>1</em><em>2</em><em>,</em><em>1</em><em>5</em><em>,</em><em>1</em><em>7</em><em>,</em><em>1</em><em>9</em><em>}</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>{</em><em>7</em><em>,</em><em>8</em><em>}</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

3 0
3 years ago
A student wants to conduct an experiment to see how quickly information can travel. On Day 1 of the experiment, the student tell
Aliun [14]
3 people know a fact in 1st day.
In 2nd day they share it with 3 people each=3×3
Now 3×3 people shares it with 3 people each. and so on...
So,
3+3²+3³+3⁴+3^5+3^6+3^7
=3279 no of people altogether , will hear from 1st day to 7th day...
On the day 7,no of people who will hear the fact=3^7=2187
7 0
3 years ago
Why is cash flow an important step in a good financial plan
r-ruslan [8.4K]
Cash Flow statement or actual cash flow is basic component for any financial plan as in acrual accounting actual occurance of expense or income is different from actual payment of cash or receipt of cash in future period so unless financial planner doesn't know the actual future cash receipt and payment situation, it is not possible for him to plan accurately
4 0
3 years ago
Danny and Mark and Evans ages combined is 80. What was there combined age three years ago?
Tasya [4]

Since there are three kids, 3x3=9. 80-9=71.  Danny and Mark and Evans ages combined is 71 years
8 0
3 years ago
Read 2 more answers
ANSWER THIS PLS!!!!
astra-53 [7]

Answer and Step-by-step explanation: With the constant velocity motion formula, we can determine constant velocity of the object in motion whose data we collected:

x = x₀ + vt

Velocity can be calculated as:

v=\frac{x-x_{0}}{t}

v=\frac{70-40}{10}

v = 3 m/s

The beginning of the data collect, object is 40m away, then x₀ = 40.

So, equation modeling the object's path is x = 40 + 3t.

5 0
3 years ago
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