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umka2103 [35]
3 years ago
11

A movie is 2 hours and 28 minutes long.It starts at 7:50 p.m .At what time will the movie end?

Mathematics
1 answer:
mars1129 [50]3 years ago
3 0
10:18P.M     ...............................
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Find the first term and the common ratio <br>third term =6 and seventh term= 96​
mamaluj [8]

Answer:

First term a₁ = 3/2 and common ratio r = 2

Step-by-step explanation:

We need to find the first term and common ratio while we are given third term = 6 and seventh term = 96

Since common ratio is required so, the sequence is geometric sequence

The formula used is: a_n= a_1r^{n-1}

We are given: third term = 6 i,e

a_3=a_1r(3-1)\\6=a_1r^2----eq(1)

Seventh term = 96

a_7=a_1r(7-1)\\96=a_1r^6----eq(2)

Dividing eq(2) and eq(3)

\frac{96}{6}=\frac{a_1r^6}{a1r2}\\16=\frac{r^6}{r^2}\\16=r^{6-2}\\=> r^4=16\\Taking \ fourth \ root\\ r=2,-2,2i,-2i\\ \ We \ will \ consider \ only \ positive \ value \ of \ r \ i.e \ \textbf{ r= 2}

So, Common Ratio r = 2

Finding First term using eq(1)

a_3=a_1r^2\\6=a_1(2)^2\\6=a_1(4)\\a_1= \frac{6}{4}\\a_1= \frac{3}{2}

So, First term a₁ = 3/2 and common ratio r = 2

6 0
3 years ago
25 is what percent of 64
Flauer [41]
Make a proportion to find the percent:
25/64 = x/100
Multiply 25 and 100, then divide that answer by 64. Then add a percent symbol.

25*100 =2500
2500/64 = 39.0625
39.0625%
7 0
3 years ago
Use the present value formula to determine the amount to be invested​ now, or the present value needed.
rjkz [21]

Answer:

Present value is $29,086.21.

Step-by-step explanation:

PV =\frac{40000}{(1+\frac{0.029}{12} )^{11*12} }=29,086.21

8 0
3 years ago
Is this answer is correct
Yuliya22 [10]
Yes, this answer is correct.
3 0
3 years ago
Read 2 more answers
If a tornado travels 100 miles in 2 hours and 30 minutes how many miles per hour did it travel?
Rufina [12.5K]

Answer:

40 mi/h

Step-by-step explanation:

I hope this helps a lot

4 0
2 years ago
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