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Dmitrij [34]
2 years ago
6

Monica deposits ​$300 into a savings account that pays a simple interest rate of 3.9​%. Paul deposits ​$400 into a savings accou

nt that pays a simple interest rate of 3.6​%. Monica says that she will earn more interest in 1 year because her interest rate is higher. Is she​ correct? Justify your response.
Mathematics
1 answer:
tiny-mole [99]2 years ago
4 0

Answer:

monica because with 3.4 % that is more than 2.3% and that is what they want to know so its monica

Step-by-step explanation:

The formula for calculating simple interest is given by :

S.I = \frac{ptr}{100}

For Monica

S.I = 300 x 3.4 x 1 / 100

S.I = $10.2

For Paul

S.1 = 400 x 2.4 x 1 / 100

S.I = $9.6

Therefore : Monica earned more interest

Monica's intrest rate is 1,224 and paul's is 840 so it would be monica.

(Hope this helps can I pls have brainlist (crown)☺️)

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Given the sample 4, −2, −6, 19, 6, add one more sample value that will neither change the mean nor the variance. Round to two de
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Answer:

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Step-by-step explanation:

We are given the following in the question:

4, -2, -6, 19, 6

Formula:

\text{Variance} = \displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{21}{5} = 4.2

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If we add an observation equal to the mean of given sample, then the mean and of new sample will not change.

New sample:

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3 years ago
(3x+20)=(5x-16) Find the value of X
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Answer:

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Step-by-step explanation:

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3x = 5x -36   {Now subtract 5x from both sides}

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-2x/-2 = -36/-2

x = 18

3 0
3 years ago
Read 2 more answers
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