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choli [55]
3 years ago
7

Kelly opened a bank account that earns 1.2% simple interest each year. After 7 years, Kelly will earn $126 in interest. How much

did Kelly deposit when she opened the account? HELP
Mathematics
2 answers:
Alex3 years ago
3 0

Answer:

13.4

Hope it helps that is what I think not that sure but I thing is corrwct!

mariarad [96]3 years ago
3 0

Answer:

She deposited $115.43 when she opened the account.

Step-by-step explanation:

1.2% of 126 is 1.51

so every year she earns 1.51 dollars

so just subtract 1.51 from 126. 7 times then you will get your answer

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Solve for x: 3x +4= 9.2 + 3<br> 1<br> A 3<br> B<br> 6<br> 1<br> 3<br> None of the above.<br> D
Shkiper50 [21]
The answer is D none of the above because the actual answer is 12.06 repeating. Hope this helps.
6 0
2 years ago
In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of e
steposvetlana [31]

Answer:

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

In a recent survey of 1002 people, 701 said that they voted in a recent presidential election.

Sample proportion

                          p = \frac{x}{n} = \frac{701}{1002} = 0.6996  

<u><em>Step(ii)</em></u>

The 95% confidence interval estimate of the proportion of people who say that they voted

(p^{-} - Z_{0.05} \sqrt{\frac{p(1-p)}{n} } , p^{-} + Z_{0.05} \sqrt{\frac{p(1-p)}{n} } )

(0.6996 - 1.96\sqrt{\frac{0.6996(1-0.6996)}{1002} } , 0.6996 + 1.96 \sqrt{\frac{0.6996(1-0.6996)}{1002} } )

(0.6996 - 1.96 X 0.01448 , 0.6996 + 1.96 X 0.01448)

(0.6996 - 0.02838 , 0.6996 + 0.02838)

(0.67122 , 0.72798)

<u><em>Final answer</em></u>:-

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

7 0
3 years ago
Ron is exceptional in mathematics. it is not only a subject in his school but also his past time. he loves solving complicated p
sleet_krkn [62]
I had to look for the options and here is my answer:

Based on the description of the behavior that Ron has exhibited, this explains that his behavior is based on intrinsically motivated behavior. Intrinsic means inherent or inborn. The behavior he possesses are already natural to him and are not acquired. 
8 0
3 years ago
What’s the preimeter to this?
kobusy [5.1K]

decimal form

119.571428571

fraction form

119571428571/1000000000

Have a nice day

hope this attachment relates to you

6 0
2 years ago
Factor this polynomial expression.
Sauron [17]

Answer:

The answer is A. (x-6)(x-6)

Step-by-step explanation:

x^2 -12x + 36

x^2 - (6+6) x+36

x^2 - 6x - 6x + 36

x( x - 6) -6(x-6)

(x-6)(x-6)

8 0
3 years ago
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