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natali 33 [55]
3 years ago
12

Solve for x quick please need it done fast​

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0

Answer:

x= 36

Step-by-step explanation:

Both degrees sum up to 180 degrees, so our equation would be..

3x+2x= 180

Step 1- Combine common variables.

(3x+2x)= 180

5x= 180

Step 2- Divide both sides by 5.

<u>5x</u>= <u>180</u>

5     5

x= 36

kifflom [539]3 years ago
3 0

Answer:

x = 36

Step-by-step explanation:

EAB is a straight line so it equal 180

EAF + FAB = EAB

3x+2x = 180

Combine like terms

5x = 180

Divide each side by 5

5x/5 = 180/5

x = 36

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olchik [2.2K]
To solve this we are going to use the future value of annuity ordinary formula: FV=P[ \frac{(1+ \frac{r}{n} )^{kt} -1}{ \frac{r}{n} } ]
where
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P is the periodic payment
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n is the number of times the interest is compounded per year
k is the number of payments per year
t is the number of years

We know for our problem that P=6200 and t=5. To convert the interest rate to decimal form, we are going to divide the rate by 100%:
r= \frac{6}{100} =0.06
Since the deposit is made semiannually, it is made 2 times per year, so k=2.
Since the type of the annuity is ordinary, payments are made at the end of each period, and we know that we have 2 periods, so n=2.
Lets replace the values in our formula:

FV=P[ \frac{(1+ \frac{r}{n} )^{kt} -1}{ \frac{r}{n} } ]
FV=6200[ \frac{(1+ \frac{0.06}{2} )^{(2)(5)} -1}{ \frac{0.06}{2} } ]
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