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Goshia [24]
2 years ago
15

Just number 12 please and thank you....please get done asap

Mathematics
1 answer:
Marysya12 [62]2 years ago
6 0
The interest rate on her account would be 38.4%.

If we use the simple interest formula I=PrT, the principle (P) would be 6000. Assuming that it is based on annual interest, the time (t) would be 1/12. Then, you multiply 6000 by 1/12 to get 500. Finally you divide 192/500 and then multiply by 100.


If the time is based on monthly payments, then do the same thing, except multiply 6000 by 1
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Find the value of x and y
Marysya12 [62]

Answer:

x=36 y=48

Step-by-step explanation:

4 0
2 years ago
During a promotion at an aquarium, the number of adult tickets sold was 4 times
SSSSS [86.1K]

Step-by-step explanation:

Let Number of senior citizen tickets

sold = x

Number of students tickets sold = 3.x

Number of adult tickets sold = 4 x 3x

= 12x

/* According to the problem given */

3x = x + 142

+ 3x – x = 142

2 x = 142

142 == 2

> x = 71

. Number adult tickets sold

= 12x

= 12 x 71

= 852

3 0
2 years ago
Which expression represent the series
Inessa05 [86]
I believe B But I am not sure I hope this helps . =D 
7 0
3 years ago
Read 2 more answers
An electrician can wire a house in 20 hours. if she works with an apprentice, the same job can be completed in 12 hours. how lon
AlekseyPX
We know that
<span>An electrician can wire a house in ------------> 20 hours
so
100%----------------> 20 hours
 X-------------------> 12 hour
x=12*100/20----> x=60%

that means 
</span><span>the apprentice in 12 hours complete the (100-60)----> 40%

</span>the apprentice in 12 hours complete -------> 40%
x hours------------------------------------> 100%
x=100*12/40-----> x=30 hours

the answer is
30 hours


4 0
3 years ago
Help please. Just need to answer 29-31 then I’m done. Thanks
Free_Kalibri [48]

Answer:

29. See table below

30. See attached graph

31. The slope is m= 0.10

The slope represent the cost for every additional call minute.

Step-by-step explanation:

The cost is $0.5  first minute and $0.10 for any additional minutes

If c is the total cost of a call that last t minutes then;

c= 0.10t + 0.5-----where t is the time the call lasted

29. Use the equation above to create the table as;

t {x}            c{y}

1                  0.6

2                 0.7

3                 0.8

4                 0.9

5                 1.0

6                 1.1

The graph of this plot is as attached , where the coordinates are

{1,0.6} , {2,0.7} ,{3,0.8} ,{4,0.9} ,{5,1.0}, {6,1.1}

The slope can be found using the formula;

m=Δy/Δx

m= 1.1 - 0.6 / 6-1

m= 0.5 / 5 = 0.10

The slope represent the cost for every additional call minute.

5 0
2 years ago
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