A boat takes 2 hours to travel 15 miles upriver against the current. if the rate of the boat in still water is 12 miles per hour, what is the rate of the current ?

Answers

Answer 1

Answer:

4.5 mph or 9/2 mph

Step-by-step explanation:

Let x be the rate of the current

Formula: Distance = rate x time

where rate upstream =(12-x) and time =2 hours

15=(12-x)(2)

15=24–2x

2x=24–15

2x= 9

x=9/2=4.5 miles per hour (rate of current)


Related Questions

Hector is sowing grass seed in his yard. A bag of grass seed
covers an area of 50 square feet. Hector's front yard is
49 feet long and 11 feet wide. He will not be planting grass
in his backyard. How many bags of grass seed will Hector
need, rounded up to the nearest bag?
a. 9 bags
b. 10 bags
c. 11 bags

Answers

C: 11 bags……………………….
49 * 11 = 539
539/50 = 10.78

He will need 11 bags

Work out the size of angle x

Answers

take 180-123=57 u take 42+57=99

please help me in this question please ​

Answers

Answer:

Can you please write the question given to answer the graph

Write a rule for the input/output table

Answers

The table is a linear function, and the rule for the input/output table is f(x) = 1 + 3x

How to determine the rule?

From the table, we can see that:

The output of the table  is 1 more than 3 times the input

If the input is x, then the output y is:

y = 1 +3 * x

Evaluate

y = 1 + 3x

Hence, the rule for the input/output table is f(x) = 1 + 3x

Read more aboiut linear functions at:

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Brainliest for the right answer, anyone? :p

Find the midpoint M of the line segment joining the points P = (-2, -4) and Q = (-6, -8).

Answers

Answer:

(-4,-6)

Step-by-step explanation:

For x, the middle point between   -2  and  -6   is      -4

for y the middle point between  -4  and -8   is  -6  

16. Is the following sequence arithmetic? If so, identify the common difference. -9, -6, -3, 0,..​

Answers

Answer:

yes its arithmetic, and the common difference is 3

Step-by-step explanation:

-9, -6, -3, 0

-6 - (-9) = 3

-3 - (-6) = 3

0 - (-3) =3

(a) If the monthly water usage is 18 HCF, which plan costs more?
O Residential Plan
O Business Plan
How much more does it cost than the other plan?
$0
(b) For what amount of monthly water usage do the plans cost the same?
If the monthly water usage is more than this amount, which plan costs more?
Residential Plan
Business Plan

Answers

A THE ANSWER IS A so this is the calculation of it means of that I say A

Answer: A THE ANSWER IS A so this is the calculation of it means of that I say A

Step-by-step explanation:

The cost price of a wrist watch of 2500 at 25% gain what’s the selling price

Answers

Answer:

The selling price is $3,125

Step-by-step explanation:

25% of 2500 is 2500 x 0.25 = 625

You will be adding the 25% gain to cost price to find the new price

2500 + 625 = 3125

Answer:

3125

Step-by-step explanation:

from the question,

25% simply means 25/100= 0.25

25% of 2500= 0.25×2500= 625

gain= 625

selling price= 625+2500= 3125

Factor completely.
5x² - 20x + 20 =

Answers

Answer:

[tex]5(x-2)^2[/tex]

Step-by-step explanation:

[tex]5x^2-20x+20\\=5(x^2-4x+4)\\=5(x-2)(x-2)\\=5(x-2)^2[/tex]

7 > −3; Subtract 7 from both sides.

The resulting inequality is :

Answers

Answer:

0 > -10

True

Step-by-step explanation:

7 > -3 Starting with a true statement. This math sentence says, "7 is greater than -3"

7 > -3

-7 -7 Subtract 7.

Working vertically now (from the top, down)

7 > -3

-7 -7

_______

0 > -10

Because 7-7 is 0 on the left side. And

-3-7 is -10 on the right side. This statement is true, because zero is bigger than -10.

how do you write 10^3 / 10^7 in standard form for properties of exponents

Answers

Answer:

1 / 10000

Step-by-step explanation:

10^3 / 10^7

apply exponent rule: x^a / x^b = x^(a-b)

10^3 / 10^7 where a = 3 and b = 7

10^(3 - 7) = 10^(-4)

apply exponent rule: a^-b = 1 / a^b

1 / 10^(4)

10^4 = 10000

1 / 10000

Let me know if you have any questions !

AND WELCOME TO BRAINLY :)

Answer:

10^-4

Step-by-step explanation:

In division of powers (when the numbers are the same), you subtract both the powers. In this case, it would be 3 - 7 = -4, resulting in a power of -4

I really need help answering this!

Answers

Answer: 15

Step-by-step explanation:

Pythagorean theorem: c^2 = a^2 + b^2 where c is hypotenuse, a and b are legs.



In this problem:

a = 20

c = 25

b - ?

b^2 = c^2 - a^2

b^2 = 25^2 - 20^2

b^2 = 625 - 400

b^2 = 225

b = sqrt(225)

b = 15

Need asap!!!!!!!!!!!

Answers

Answer:

50 J

Step-by-step explanation:

According to energy conservative law energy can not be destroyed. So as the potential energy has been decreased to 50 J, the decreased amount has become kinetic energy.

100 - 50 = 50

please help will mark Brainliest!!​

Answers

Answer:

Option D, [tex]16\ units[/tex]

Step-by-step explanation:

Step 1:  Determine the perimeter

[tex]P = 2(l + w)[/tex]

[tex]P = 2(5\ units + 3\ units)[/tex]

[tex]P = 2(8\ units)[/tex]

[tex]P = 16\ units[/tex]

Answer:  Option D, [tex]16\ units[/tex]

Find the distance between the pair of points.
(-1, -2) and (-3, 7)

Answers

Step-by-step explanation:

this is the sum

hope you understand

is (x-2) a factor of f(x)=x^3 -8x^2+14x-4?

Answers

Answer:

Yes

Step-by-step explanation:

Use synthetic division

2 | 1 -8  14 -4

____2 -12_4__

    1 -6   2 | 0

Thus, [tex](x^3-8x^2+14x-4)\div(x-2)=x^2-6x+2\:\text{R}0[/tex], so [tex](x-2)[/tex] is indeed a factor of f(x) since there's no remainder.

The table shows the longest known rivers on Earth. How much longer is the Nile than the Amazon?

Answers

Answer:

135 mile difference

Step-by-step explanation:

The nile is 4132 miles long according to Gogle and The amazon is 3997 miles long according to gogle

Lila's Tea Shop has caffeinated tea
and decaffeinated tea. During the
lunchtime rush, the tea shop served
100 teas in all, 41% of which were
caffeinated. How many caffeinated
teas did the tea shop serve?

Answers

Answer:

28 caffinated  teas

Step-by-step explanation:

What is the difference in the costs for a one-night stay with and without breakfast?

Answers

Answer:

$23.12

Step-by-step explanation:

With breakfast included the total would be $142.99. Without breakfast it would be $119.87. So to get the difference it would be:

$142.99 - $119.87 = $23.12

There are 3 people fishing at a lake. Each person caught 5 fish. What was the total number caught by 9 people? ​

Answers

Each person caught 5 fish.

Multiply 5 fish by total people.

5 x 9 = 45

Answer: 45 fish

Answer:

45 fish

Step-by-step explanation:

Given :

Each of the 3 people caught 5 fish

Solving :

For 9 people, multiply the number caught by each into 95 × 945 fish

Question 11(Multiple Choice Worth 5 points)
(03.06A LC)
Which statement is true for the equation 2x - 2x - 7 = -7?
It has infinitely many solutions.
It has two solutions.
It has one solution.
It has no solution.

Answers

Answer:

A) It has infinitely many solutions

Step-by-step explanation:

Given equation

2x - 2x - 7 = - 7

Variables cancel and the equation simplifies as

- 7 = - 70 = 0

Since we got both sides equal, it doesn't change with any value of x.

It means the equation has infinitely many solutions.

2x-2x-7=-70-7=-7-7=-7

It has infinite solution

What calculation is modeled on the number line?
++++
--1
-1
0
12
1
- + (-15) = -2
- +(-1) = -1
- + (-5) = -1
+
- (금)-1
10
10
10
I will give 100 points pls ASAP!

Answers

Answer:

3rd option (bottom left)

Step-by-step explanation:

4. The chart above shows the results of survey taken by a movie theater. The theater asked what genre the mover goers preferred to see. If the theater owner asked 100 people, how many people would prefer Drama? Round to the nearest whole number. Show your work.

Answers

The Cost of operating the theater if there are 100 people at a show is 20,000Rs.

The theater is a place where the movies are shown on big screens and Speakers are used for the clear audio of the movie.

In a theater, there will be 3 to 4 shows for a movie or a different movie.

Theater can consist of 250 - 300 seats and can cost up to 250rs for a seat.

What is the meaning of cost?

The average cost of a college education has gone up dramatically.

Consider a ticket cost of 200rs.

For 100 people in a show,

Cost = 200 × 100

Cost = 20,000.

Hence the cost of operating a theater if there are 100 people at a show is 20,000Rs.

To learn more about the cost visit:

https://brainly.com/question/1153322

Screenshot Below Help me answer because im bad sorry

Answers

A drawing of the re-arranged triangles on a 1-cm grid paper which forms a parallelogram is shown in the image attached below.

What is a parallelogram?

A parallelogram is a geometrical shape and it can be defined as a type of quadrilateral and two-dimensional figure that has two (2) equal and parallel opposite sides.

In this exercise, you would re-arrange the given triangles on a 1-cm grid paper to form a parallelogram with two (2) equal and parallel opposite sides as shown in the image attached below.

Read more on parallelogram here: https://brainly.com/question/4459854

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I'm so confused on what I did wrong ​

Answers

Answer:

[tex]r < 15.5[/tex]

Step-by-step explanation:

Step 1:  Add 4.5 to both sides

[tex]r - 4.5 < 11[/tex]

[tex]r - 4.5 + 4.5 < 11 + 4.5[/tex]

[tex]r < 15.5[/tex]

Answer:  [tex]r < 15.5[/tex]

I don't really know what you did wrong but it seems like you added 45 to 11 instead of adding 4.5 to 11.

Hope this helps!  Let me know if you have any questions

Look at the image below. Whats the area of the triangle (PLEASE HELP)

Answers

Answer:

28

Step-by-step explanation:

the formula for finding the area of a triangle is 1/2×base×height. the height is the spot where you can create a right angle with the base, which here is 14 meaning the equation is 1/2(4)(14)

Given a function described by the table below, what is y when x is 5?

X Y
2 6
4 8
5 9
6 12

Answers

Considering the table that describes the function, it is found that when x = 5, the value of y is of y = 9.

What does the table states?

The table representing the function states the value of y associated with each value of x.

Hence, considering the third line of the table, it is found that when x = 5, the value of y is of y = 9.

More can be learned about functions at https://brainly.com/question/25537936

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Talking Ben or Talking Tom

Answers

Answer:

talking tom

Step-by-step explanation:

i like this game. i used to play this game

Answer:

DEFINANTLY TALKING TOM HE IS SOOOO MUCH MORE FUN

Step-by-step explanation:

(b) A square has a perimeter of 80 ft. What is the length of each side?

Answers

Answer:

20 ft

Step-by-step explanation:

There are 4 equal sides to a square so one side is 80/4 = 20 ft

Find it please and give a step by step explanation. Thank you

Answers

Assuming you took Pythagoras, congruency, u should solve it like that
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