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Vikki [24]
4 years ago
5

I need the answers please

Mathematics
1 answer:
vovangra [49]4 years ago
4 0
For q5: x=-5/4, y=-15/8
q6: x=-23/5, y=4/5
q7: x=-4/5 y=0
q8: x=6, y=4
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After 5 years, a $2,450 investment is worth $3,123.75.
kondaur [170]

Answer:

5.5%

Step-by-step explanation:

To solve this problem we can use a modified version of the simple interest formula which is shown below:

r=\frac{I}{Pt}

<em>I = interest amount</em>

<em>P = principal amount</em>

<em>t = time (years)</em>

<em />

The first step is to find the interest gained from the investment.

3,123.75-2,450=673.75

Next, plug in the values into the equation:

r=\frac{673.75}{(2,450)(5)}     Multiply the bottom values

r=\frac{673.75}{12,550}         Divide the values

r=.055

The last step is to convert 0.055 into a percent:

0.055(100)=5.5

The interest rate is 5.5%

3 0
3 years ago
Maggs invests $10,250 at a rate of 9%, compounded weekly. To the nearest whole dollar, find the value of the investment after 7
Setler79 [48]
Number of weeks in a year: 52
Weeks in 7 years: 52 x 7 = 364 

Final amount = Initial amount x (1 + interest)^(time period)

Final amount = 10,250 x (1.09)³⁶⁴
Final amount = $4.3 x 10¹⁷
6 0
4 years ago
Read 2 more answers
I NEED HELP ILL GIVE BRAINLIST TO FIRST CORRECT ANSWER
Nostrana [21]

Answer:

Without them, there would have been no United States of America.

The Founding Fathers, a group of predominantly wealthy plantation owners and businessmen, united 13 disparate colonies.

They fought for independence from Britain and penned a series of influential governing documents that steer the country to this day.

All the Founding Fathers, including the first four U.S. presidents, at one point considered themselves British subjects.

But they revolted against the restrictive rule of King George III outlining their grievances in the Declaration of Independence, a powerful call for freedom and equality.

They won a stunning military victory over what was then the world’s preeminent superpower.

4 0
3 years ago
How long are mid term goals?
Irina-Kira [14]

Answer:

three months-three years

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
Simplify 2/5 + 1/3<br><br> I NEED THIS ASAP
lana66690 [7]

Answer:

(11/15)'s

Step-by-step explanation:

(2/5) is equal to (6/15)

(1/3) is equal to (5/15)

(5/15)+(6/15)=(11/15)

5 0
3 years ago
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