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saul85 [17]
4 years ago
13

Choose the counterexample that disproves the conjecture.

Mathematics
1 answer:
Helen [10]4 years ago
4 0
There are two counterexamples.
22 and 11 both repeat a digit: 22 repeats 2, and 11 repeats 1.
You might be interested in
Number of Months to Pay Off 21 Monthly Payments Total Interest Paid $150 21 $314.68 ,, $250 12 $184.41 ,, $500 6 $95.84 Which is
SpyIntel [72]

The correct conclusion from the table shows <u>C. The more</u> he chooses to pay off each month, the less total interest he will pay.

<h3>How is interest determined?</h3>

The interest amount is calculated based on the outstanding balance.

When a cardholder makes more monthly payments, the interest amount reduces because of the reduction in the outstanding balance.

<h3>Data and Calculations:  </h3>

Number of Months       Monthly Payments   Total Interest Paid

to Pay Off 21

                                                $150

21                                                                               $314.68

                                              $250

12                                                                               $184.41

                                              $500

6                                                                                $95.84

Thus, the correct conclusion from the table shows <u>C. The more</u> he chooses to pay off each month, the less total interest he will pay.

Learn more about interest calculations at brainly.com/question/25545513

6 0
2 years ago
Read 2 more answers
Please help with this:
My name is Ann [436]
0.222...=2/9
0.666...=2/3
0.454...=5/11
0.166... = 1/6

Hope this helps
3 0
3 years ago
Read 2 more answers
Sarah is allowed to watch no more than 10 hours of television each week. Sarah has already watched 6 hours of television. Define
sashaice [31]

Answer:

Inequality = 6 + x ≤ 10

x(Number of hours more of television Sarah can still watch this week) = 4 hours

Step-by-step explanation:

Define a variable, set up an inequality and solve that inequality to determine how many more hours of television Sarah can watch this week.

We are told in the question that:

Sarah is allowed to watch no more than 10 hours of television each week.

This means :

Sarah can watch tv for less than or equal to 10 hours in a week. Sarah has already watched 6 hours of television.

Hence:

The number of hours left that Sarah can watch television in a week is represented as x

Our Inequality Equation =

6hours + x hours ≤ 10 hours

6 + x ≤ 10

Solving the inequality

x ≤ 10 - 6

x ≤ 4 hours

This means Sarah still has no more than (less than or equal to) 4 hours or television left to watch in this week

7 0
3 years ago
There are 20 families living in the Willbrook Farms Development. Of these families, 10 prepared their own federal income taxes f
ioda

Answer:

a) 1/2

b) 9/40

Step-by-step explanation:

Given

Total number of families living in Willbrook Farms Development = 20

Number of families preparing their own federal income taxes for last year = 10

Number of families for which taxes were prepared by a local professional = 7

Number of families for which taxes were prepared by H&R Block = 3

a) Probability of selecting a family that prepared their own taxes = 10/20 = 1/2

b) The probability of selecting two families, both of which prepared their own taxes

10/20 * 9/20 = 9/40

4 0
3 years ago
The lengths of two sides of a right triangle are 5 inches and 8 inches . What is the difference between two possible lengths of
Cloud [144]

by using Pythagoras theorem,

third side will be either 8^2+5^2=sqrt(64+25)=sqrt(89)=9.43 or

8^2-5^2=sqrt(64-25)=sqrt(39)=6.24

the difference is=9.43-6.24=3.19inches    i think this is it i may have messed up
4 0
3 years ago
Read 2 more answers
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