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valina [46]
3 years ago
14

Natalie opened and account with a 3.5% APR which compounds weekly. She deposits $25 each week after her initial deposit of $25.

How long will she need to have her money invested until her account balance is $8000? Please! Extremally important, show work too. Thank you so much!
Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0
For each deposit she makes 3.5 is being subtracted for the money she makes so 8000 would be 45 tries
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Solve the equation and write a text explaining every step of your solution. 4 - 3x = 14 - 5x
Svetradugi [14.3K]

Answer: 14 - 5 x 5 = -11, and 4 - 3 x 5 = -11.

Step-by-step explanation:

what i did here was just plug in some numbers until the equations reached the same solution. there are probably better ways to do this but i hope this helps anyway.

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2 years ago
Jason and Jill or two students in mr. White's math class. On the last 5 quizzes Jason scored an 80 90 95 85 and 70. Jill scored
Mrac [35]

Jason's scores : 80 90 95 85 70 and

Jill's score : 70 75 90 100 95.

Mean of Jason's scores = \frac{80 + 90 + 95 + 85 + 70}{5}=\frac{420}{5}=84.

Mean of Jill's scores = \frac{70+75+90+100+95}{5}=\frac{430}{5}=86

Now, in order to find the mean absolute deviation, need to find the difference of each score from means.

<u>Mean absolute deviation for Jason's scores.</u>        

|84-80| = 4

|84-90| = 6

|84-95| = 9

|84-85| = 1

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<u>Mean absolute deviation for Jill's scores</u>

|86-70| = 16

|86-75| = 11

|86-90| = 4

|86-100| = 14

|86-95|= 9

\frac{16+11+4+14+9}{5}=\frac{54}{5}=10.8

Jill got average quiz score 86 and Jason got 84.

Therefore, Jill got better quiz average.

Also, the mean absolute deviation for Jason scores is less that is 6.8 than 10.8.

Therefore, Jason got more consistent grades.

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3 years ago
A vial holds 2 milliliters of pixie dust.
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Hi your answer would be 6 1/2 vials of pixie dust!

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NISA [10]
The least (or lowest) common denominator of 3, 16 and 8 is 16. That already points us to answer A.

Checking for each fraction:

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Yep. Answer A.
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3 years ago
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Snezhnost [94]
Assuming that point s is the vertex of the angle and that line sq is between angle psr. We can get the correct measurement of angle psq by subtracting 99 degrees with the measurement of the angle made by qsr. Hope this helps. Have a nice day.
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