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kirza4 [7]
3 years ago
9

22 .Siswa dapat menganalisis persamaan menggunakan identitas trigonometri

Mathematics
1 answer:
otez555 [7]3 years ago
8 0
It best you ask your teacher
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Arturo invests $2700 in a savings account that pay 9% interest, compounded quarterly. If there are no other transactions, when w
Sedbober [7]
The correct formula for this is as follows:
A=P(1+\frac{r}{n})^{nt}
where n is the number of compounding periods per year, and r is the annual interest rate as a decimal,
Plugging the given values into the formula, we get:
4550=2700(1+\frac{0.09}{4})^{4t}
This equation can be simplified to:
1.6852=(1.0225)^{4t}
Taking logs of both sides gives:
log 1.6852=4t\times log 1.0225
which can be rearranged to get:
t=\frac{log 1.6852}{4\times log 1.0225}=5.864
So it will take about 5.864 years for the amount to reach $4550.


5 0
3 years ago
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 lower than in the first
ludmilkaskok [199]

Answer:

The hotel charge in city one before tax is $3750 and the hotel charge in city two before tax is $2250.

tep-by-step explanation:

Let a = the charge in 1st city before taxes

Let b= the charge in 2nd city before taxes

 

Based on the information given . We can have the following equation (1).

 

y = x - 1500  ......(1).

 

Interms of the information given , the following is formulated based on taxed paid .

 

0.065x + 0.06y = 378.75  .....(2).

Now we substitute equation (1) into (2).

 

0.065x + 0.06(x - 1500) = 378.75

0.065x + 0.06x - 90 = 378.75

0.125x - 90 = 378.75

0.125x = 468.75

        Therefor x=3750

Now x value into equation (1)

 

y = 3750 - 1500

y = 2250

 

 

The hotel charge in city one before tax is $3750 and the hotel charge in city two before tax is $2250.

 

8 0
3 years ago
1, Two lines meet at a point that is also the endpoint of a ray. Set up and solve the appropriate equations to determine and y.
Alexxandr [17]

Answer:

Take a look at explanation below;

Step-by-step explanation:

See attachment( s ) below;

7 0
3 years ago
Which statement could be used to explain why f(x) = 2x – 3 has an inverse relation that is a function? The graph of f(x) passes
alina1380 [7]

Answer:

f(x) is a one to one function.That maps out one function to another ,and it therefore passes both the vertical and horizontal I ine test



7 0
3 years ago
Read 2 more answers
Janelle is selling lemonade. She has poured 36 cups of lemonade to display.Draw one possible array janelle could use to display
Vaselesa [24]

There are several different answers that are possible for the number in each row and column.

  • 2 x 18
  • 3 x 12
  • 4 x 9
  • 6 x 6
  • 9 x 4  
  • 12 x 3
  • 18 x 2

Here is a 6 x 6 array where X represents a cup of lemonade:

\begin {array}{c|c|c|c|c|c}X&X&X&X&X&X\\ X&X&X&X&X&X\\X&X&X&X&X&X\\ X&X&X&X&X&X\\ X&X&X&X&X&X\\ X&X&X&X&X&X\\\end{array}


3 0
3 years ago
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