a tank contains 500 litres of water. the water is leaking at a rate of 2 litres per day.
a) how long would it take for half the water to leak out?
Pls explain this and answer and workings

Answers

Answer 1

Answer:

125 days.

Step-by-step explanation:

How many 2 litres are there in 500?

That is 500/2 = 250.

Therefore the number of days to empty the  whole tank is 250 days.

So for half to leak out it's 250/2 = 125 days.


Related Questions

5. Find the 34th term in the arithmetic sequence 9, 6, 3,
A. 90
B. -90
C.-57
D. 108

Answers

Answer:

B. -90

Step-by-step explanation:

a1=9; d=-3

a34=9-3(33-1)=-90

Translate one less than twice a number

Answers

Answer:

2x-1

Step-by-step explanation:

1-2......................................

PLEASE HELP ILL GIVE YOU EXTRA POINTS AND MARK YOU AS SOMETHING!!

Answers

i believe the answer is 19

x/4+10=16
solve for x

Answers

Answer:

x=24

Step-by-step explanation:

x/4+10=16

x/4=16-10

x/4=6

x=24

Answer:

x=24

Step-by-step explanation:

x/4+10=16

subtract 10 from each side:

x/4=6

multiply by 4 on each side:

x=24

Suppose Matthew Whitaker performs on a rectangular stage with an area of 1815 square feet. If the length of the stage is 5x and the width of the stage is 3x, what is the value of x?

Answers

x=121

3×5=15

1815÷15=121

x=121

Answer:

The correct answer is 11.

Step-by-step explanation:

55 x 33 = 1815

When making a batch of cookies, the recipe calls for 1 cup of sugar and 2 cups of flour. What is the
ratio of sugar to flour in the cookies? i need help ASAP !

Answers

Answer:

1/2

Step-by-step explanation:

What is the difference
between an ordered
pair and coordinates?

Answers

Answer:A coordinate system is a two-dimensional number line

Step-by-step explanation:

A coordinate system is a two-dimensional number line, for example, two perpendicular number lines or axes. An ordered pair contains the coordinates of one point in the coordinate system. A point is named by its ordered pair of the form of (x,y

The difference between an ordered pair and coordinates will be;

''Coordinates are used in geometry, and when there are two coordinates, they are ordered pairs when both component are of the same type.''

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

Given that;

There are an ordered pair and coordinates.

Now,

The difference between an ordered pair and coordinates will be;

''Coordinates are used in geometry, and when there are two coordinates, they are ordered pairs when both component are of the same type.''

And, An ordered pair contains the coordinates of one point in the coordinate system. A point is named by its ordered pair of the form of

(a, b) and a coordinate system is a two-dimensional number line.

Thus, The difference between an ordered pair and coordinates will be;

''Coordinates are used in geometry, and when there are two coordinates, they are ordered pairs when both component are of the same type.''

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solve for x
choices
30
22.5
45

Answers

Answer:

I don't get the question?

Step-by-step explanation:

Helppp it’s 7: 50 and and I need this by 8 help!!!!

Answers

Answer:

The equation is y = 12.5x I believe.

Answer;

The constant of proportionality (known as "speed" in this case) is 12.5 miles per hour.

The equation is

y = 12.5 × t

Explanation:

To find the constant of proportionality, divide one value in each pair by the other. If this relationship is a true direct proportionality , when you repeat these for every pair, your will come up with the same value:

For example

25

miles

÷

2

hours

=

12.5

miles

hour

A direct proportionality will always result in an equation that resembles this:

y = k x where  y and  x are the related quantities and  k is the constant of proportionality. If you draw a graph using the values you have, the graph will show a straight line the passes through the origin. The slope of this line will be the constant of proportionality. And if the values given are real physical quantities, this constant will contain important information about the situation you are studying.

Solve each equation by factoring.
When finding the solutions for `15k^2+k-4=-2`, what are the correct steps?

Answers

Answer:

k=1/3; k=-2/5

Step-by-step explanation:

[tex]15k^2+k-4=-2\\15k^2+k-2=0\\(3k-1)(5k+2)=0\\3k-1=0; 5k+2=0\\k=1/3; k=-2/5[/tex]

Which of the following points represents a number that is both rational and an integer?

Answers

Answer:

Where a and b are both integers. Example. The number 4 is an integer as well as a rational number. As it can ... Which of these rational numbers are integers?

Step-by-step explanation:

3.
What is the additive inverse of the number 3?
C -3
0
3
6

Answers

Answer:

-3

Step-by-step explanation:

Answer: -3

Step-by-step explanation: The additive inverse tells us that if we

add a number and the opposite of that number, the result will be 0.

So in this problem, 3 + (-3) = 0.

Is 5:2 the same as 2:5

Answers

Answer:

It is not the same

Step-by-step explanation:

Is 5/2 greater than 2/5? Is 5/2 bigger than 2/5? Is 5/2 larger than 2/5? These are all the same questions with one answer.

When comparing fractions such as 5/2 and 2/5, you could also convert the fractions (if necessary) so they have the same denominator and then compare which numerator is larger.        

  To get the answer, we first convert each fraction into decimal numbers. We do this by dividing the numerator by the denominator for each fraction as illustrated below: 5/2 = 2.5

2/5 = 0.4 Therefore, 5/2 is greater than 2/5 and the answer to the question "Is 5/2 greater than 2/5?" is yes.

Step-by-step

Its different because 5:2 and 2:5 (or 5/2 and 2/5) have different numerators and denominators.


On Monday, Allie's bank account balance was -$29. On Tuesday, her account balance was less than It was
on Monday
Use absolute value to describe Allie's balance on Tuesday as a debt.
In this situation, |-$29 represents a debt of $||
On Tuesday, Allle had a debt of 2
than $29.

Answers

On Tuesday her account balance would be less then -24 that means her debt would be more

I need help pls pls pls

Answers

Answer:

A. the study had no control group

Pls help with question 7

Answers

Answer:

please check the image for the answer

there is 3/8 of A PIZZA IN ONE BOX AND 1/4 OF A PIZZA IN ANOTHER BOX HOW MUCH DO YOU HAVE ALTOGETHER

Answers

Answer:

5/

Step-by-step explanation:

Answer:

5/8

Step-by-step explanation: The equation is: 3/8 + 1/4 but these are unlike fractions. Lets make them like fractions.

To make them like fractions you have to find the common denominator.

Common denominator: 8

Like fraction problem: 3/8 + 2/8 =...

5/8!

solve this equation by undoing in reverse order. x/3+5/2=5.5

Answers

x/3 + 5/2 = 5.5
x/3 + 5/2 = 55/10
2x/6 + 15/6 = 55/10
2x+15/6 = 55/10
2x + 15 = 55/10 x 6
2x + 15 = 33
2x = 18
x = 9

Cranberry juice costs $6.30 per quart and apple juice costs $3.60 per quart. Terrence wants to know how many quarts q of cranberry juice he should mix with 4 quarts of apple juice to make cranberry-apple juice. He also wants to sell the juice at cost for $4.50 per quart. Which equation below represents the situation?

Answers

Answer:

$25.20 for the cranberry juice (see explanation)

Step-by-step explanation:

4 quarts of apple juice and 4 quarts of cranberry juice are the simplest amount I can come up with. Meaning: 4 quarts of cranberry juice being $25.20 mixed with the apple juice.

Which set below is the domain of {(2, -3), (-1,0), (0, 4), (-1, 5), (4, -2)}?
A. {-3,0,4,5,-2} B.{2, -1, 4} C.{-3, 4, 5, -2} D.{2, -1, 0, 4}

I don't need a fast answer, I need a thorough explanation, I am trying to advance in Math and I am learning on my own. I want to learn how to do this correctly. Thank you in advance, I Promise I will give brainliest if I am satisfied! (100 points just so you see you are loved (: )

Answers

Answer:

D

Step-by-step explanation:

We have the set:

[tex]\{(2, -3), (-1,0), (0, 4), (-1, 5), (4, -2)\}[/tex]

Remember that the domain for a set of values is simply the input values.

In other words, our domain will be all of our x-coordinates.

We can see that our x-coordinates are: 2, -1, 0, -1, and 4.

So, our domain is:

[tex]\{2, -1, 0, 4\}[/tex]

Note that we only write need to write the -1 once.

So, our answer is D.

And we're done!

Answer:

D

Step-by-step explanation:

Michael bought a new sweater on sale for $30. The sweater originally cost $80.
What is the percent of change of the sweater?

Answers

63% off or at least roughly that hope this helps

True or False?
If, |al = |b|, then either a = b or a = - b

Answers

Answer:

true

Step-by-step explanation:

What is the slope of this line?



Enter your answer as a fraction in simplest term in the box.

$\text{Basic}$
$x$$y$$x^2$$\sqrt{ }$$\frac{x}{ }$
$x\frac{ }{ }$
$x^{ }$$x_{ }$$\degree$$\left(\right)$$\abs{ }$$\pi$$\infty$

Answers

Answer:

Slope = 6

Step-by-step explanation:

Reading your description carefully, the equation of line has been given to be

When we compare this with the standard form of a straight line

We immediately see that the slope or gradient m = 6.

Alternatively, when we consider the coordinates of the points mentioned, we have

(1, 5)    ;     (0, -1)     ;     (-1, -7)

We can take any two points out of these three and calculate the slope using the formula

For example, let us consider the points (1, 5) and (-1, -7)

Here x₁ = 1; x₂ = -1 and y₁ = 5; y₂ = -7

Plugging the numbers in the above formula, we have

This agrees with what we calculated directly from the equation of the line!

Hence, slope of the line on the graph = 6

The slope of the line in simplified form is -1

Find the required diagram attached.

The formula for calculating the slope of a line is expressed as:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Using the coordinate points (0, -2) and (-2, 0)

Substitute the given coordinates into the formula:

[tex]m=\frac{0-(-2)}{-2-0}\\m=\frac{0+2}{-2}\\m=\frac{-2}{2}\\m=-1[/tex]

Hence the slope of the line in simplified form is -1

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can anybody help with any of these questions using percentage?

Answers

what do you take?
explanation:

dilation the center of dilution is the origin b (2,3) and B(-4,-6) what is the scale factors of this dilation that transformed a B into B​

Answers

Given:

Consider the two points are B(2,3) and B'(-4,-6).

Center of dilation is the origin.

To find:

The scale factors of this dilation that transformed B into B'.​

Solution:

If a figure dilatated by scale factor k and center of dilation is the origin, then

[tex](x,y)\to (kx,ky)[/tex]

It means, the point after dilation is

[tex](x',y')=(kx,ky)[/tex]

where, k is the scale factor.

[tex]k=\dfrac{x'}{x}[/tex]

x-coordinate of image is -4 and x-coordinate of original point is 2.

[tex]k=\dfrac{-4}{2}[/tex]

[tex]k=-2[/tex]

Therefore, the scale factor is -2. It means, the point and image lie on the opposite sides of center of dilation.

solve for x
2/5 = x/90​

Answers

Answer: x = 36

.........................

If f(x) = 8x + 1 and the graph of g is the graph f translated 2 units to right, which equation represents g?
A. g(x) = (6x + 1) + 2
B. g(x) = (6x + 1) - 2
C. g(x) = 8(x + 2) + 1
D. g(x) = 8(x - 2) + 1
Can someone please help?

Answers

The answer is D. g(x)= 8(x-2)+1

The equation of the graph after 2 units of the right translation will be g(x) = 8(x - 2) + 1. The correct option is d.

What is a function?

The expression that established the relationship between the dependent variable and independent variable is referred to as a function. In the function as the value of the independent variable varies the value of the dependent variable also varies.

Given function f(x) = 8x + 1 is translated by 2 units to the right on the graph.

The function will be changed as below,

f(x) = 8x + 1

After translation, the value of x will become x - 2.

f(x) = 8(x-2) + 1

Therefore, the equation of the graph after 2 units of the right translation will be g(x) = 8(x - 2) + 1. The correct option is d.

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Can you help me with these angles please????

Answers

Answer:

11. ∠9 = 100°

12. ∠6 = 80°

13. ∠8 = 80°

14. ∠2 = 80°

15. ∠5 = 100°

16. ∠11 = 100°

Step-by-step explanation:

Answer:

11. 100°    12. 80°     13. 80°    14. 80°    15. 100°    16. 100°      

Step-by-step explanation:

We know a straight line is 180 degrees and that m∠7 is 100 degrees.

m∠9, m∠5 and m∠11 are 100 degrees

To find m∠6, m∠8, and m∠2 we subtract 100 from 180 and get 80 degrees.

If you fill in all the degrees of the angles, you will notice a zig-zag pattern. That helps when solving these kinds of problems

I hope this helped, please mark Brainliest, thank you!

Two supplementary angles are in the ratio 2:7. Find the measure of the Acute angle.

Answers

Answer:

40°

Step-by-step explanation:

Ratio of two supplementary angles = 2 : 7

The angles are 2x , 7x

2x + 7x = 180  {Supplementary}

       9x = 180

         x = 180/9

x = 20

Acute angle = 2x = 2*20 = 40

Why there really be people with no life deleting questions even though people are just trying to connect and stuff like bruh you have no life so you go around deleting things?! It makes me so annoyed like fr i hate those people. also watch one of them delete this

Answers

Answer:

ikr

Step-by-step explanation:

Answer:

lol SAME!! i hate it so much!! they deleted all of my stuff in one day and didn't even have a reason to!!! I got banned for 2 weeks :( i's irritating

Step-by-step explanation:

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