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rosijanka [135]
3 years ago
8

A boat traveled 54 km with the stream and 42 km against the stream spending a total of as much time as it would spend while trav

elling 96 km in a lake. Find the speed of boat while it is travelling in the lake, if the current of the river is 3 km/hour.
Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
4 0

Answer:

18 miles / hour

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Helpp please thanksss
Brilliant_brown [7]

Answer:

The function show the value of the machinery after "t" years.

So After "4" years... Input "t" as 4 to get its value

f(t) = 12,500 - 1,600(4)

=$6,100

OPTION C IS LEGIT!!!

8 0
3 years ago
1/3^-1-1^-1/4^-1<br>find the value in the following equation ​
nadezda [96]

Answer:

-1/6

Step-by-step explanation:

= 1/3 (-1-1) x -1/4 (-1)

= 1/3 (-2) x 1/4

= -2/3 x 1/4

= -2\12

2 and 12 can cancel out each other.

so the answer will be.

= -1/6.

4 0
3 years ago
Bob deposits $3000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the
Setler [38]

Answer:

He will have paid 750 interest in the first five years.

Step-by-step explanation:

SI = P×R×T/100

3000 x 5 x 5 divided by 100

75000 / 100 = 750

4 0
3 years ago
Which of these is an irrational number?
Ilia_Sergeevich [38]

Answer:

\sqrt{15}

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The table shows the estimated number of lines of code written by computer programmers per hour when x people are working.
PilotLPTM [1.2K]

Answer:

Hence, the model that best represents the data is:

y=26.9x-1.3

Step-by-step explanation:

We are given a table that  shows the estimated number of lines of code written by computer programmers per hour when x people are working.

We are asked to find which model best represents the data?

So for finding this we will put the value of x in each of the functions and check which hold true that which gives the value of y i.e. f(x) as is given in the table:

We are given 4 functions as:

A)

y = 47(1.191)^x

B)

y=34\times (1.204)^x

C)

y=26.9x-1.3

D)

y=27x-4

We make the table of these values at different values of x.

x                  A                 B                C               D

2              66.66          49.3            52.5           50

4             94.57            71.44           106.3         104  

6             134.14           103.57         160.1          158

8             190.27          150.14          213.9         212

10           269.91           217.64         267.7         266

12           382.85          315.5           321.5          320.

Hence, the function that best represents the data is:

Option C.

y=26.9x-1.3

6 0
3 years ago
Read 2 more answers
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