e) que características tienen las gráficas que representan una relación de proporcionalidad directa entre la cantidad de agua en la cisterna y el tiempo del servicio?

f) escriban las expresiones algebraicas de las relaciones que son de proporcionalidad ¿en qué son diferentes?

g) ¿qué representan esas diferencias​

Answers

Answer 1

Answer:

here is a videos look it up on you tube and it might help

Step-by-step explanation:

search this

Interpreting graphs of proportional relationships


Related Questions

i need help simplifying 31/20​

Answers

Answer:

31/20 is already in the simplest form.

Step-by-step explanation:

It can be written as 1.55 in decimal form (rounded to 6 decimal places).

PLSS ANSWEER ILL GIVE BRAINLIEST
pls explain how to solve the equasion.

Answers

Answer:

there does not seem like a picture so I dont know the answer

Explain how to use the coordinates and absolute value to find the distance between points at (3, –7) and (3, 2).

Answers

Answer:

Using the formula for the distance between two points, which is generated using coordinates and absolute value, we find that the distance between these two points is of 9 units.

Step-by-step explanation:

Distance between two points:

Suppose that we have two points, [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]. The distance between them is given by:

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

This formula is generated using coordinates and absolute value.

In this question:

(3,-7) and (3,2). So

[tex]D = \sqrt{(3-3)^2+(2-(7))^2} = \sqrt{81} = 9[/tex]

The distance between these two points is of 9 units.

A tower that is 126 feet tall casts a shadow 148 feet long. Find the angle of elevation of the sun to the nearest degree.

The angle of elevation is ____ degrees.

Answers

Answer:

[tex] \boxed{\theta = 40 \degree}[/tex]

Step-by-step explanation:

[tex] \tan( \theta ) = \frac{opp}{adj} = \frac{126}{148} \\ \theta = { \tan}^{ - 1} (0.8513) \\ \theta = 40.4[/tex]

Two different formulations of an oxygenated motor fuel are being tested to study their road octanenumbers. The variance of road octane number for formulation 1 is ı2 = 1.5, and for formulation, 2it is ı2 = 1.2. Two random samples of size n1 = 15 and n2 = 20 are tested, and the mean roadoctane numbers observed are x1 = 89.6 and x2 = 92 5. Assume normality. Find the 95%confidence interval for the difference in the mean octane number.

Answers

Answer:chomai

Step-by-step explanation:chomai

Is -6 greater than -3??

Answers

Answer:

No.

Step-by-step explanation:

-3 is greater than -6. I Hope this helps. Im trying to level up so I'd appreiciate it if you marked me as brainliest. Thank you!

) Jess has saved dimes ($ 0.10) and quarters ($ 0.25) in their piggy bank. Define the variables and write a
system of equations to determine the number of dimes and quarters if they have 25 coins worth $4.00
in total. Then solve the system using the best method for the situation.

Answers

Answer:

Quarters = 10

Dimes = 15

Step-by-step explanation:

d = number of dimes, q = number of quarters

d + q = 25 is the equation for number of coins

0.1d + 0.25q = 4 is the equation for value of coins

First, solve for d in terms of q:

d + q = 25

d = 25 - q

Then substitute that into the other equation:

0.1(25 - q) + 0.25q = 4

2.5 - 0.1q + 0.25q = 4

0.15q = 1.5

q = 10

And back to d = 25 - q, d = 25 - 10 = 15

Check the math:

0.1(15) + 10(0.25) = 1.5 + 2.5 = 4

LMK if you have questions

Find the sample variance and standard deviation of:

21, 12, 3, 9, 11


s2=?

Answers

Answer:

42. 2

6.496

Step-by-step explanation:

Given the data :

21, 12, 3, 9, 11

Variance :

S² = Σ(x - m)² ÷ (n - 1)

n = sample size = 5

m = sample mean = Σx / n

m = (21 + 12 + 3 + 9 + 11) / 5

m = 11. 2

(21-11.2)² + (12 -11.2)² + (3 - 11.2)² + (9-11.2)²

+ (11-11.2)² / (5 - 1)

S² = 42.2

Standard deviation, s = sqrt(42.2) = 6.496

Can someone please help me ??!!!!!

Answers

First problem:

C

Second:

A

Third:

C

i need this done now pls and no bs he hehrhd pls i need this now!​

Answers

Answer:

Dividing and Subtracting by a negative number will reverse the inequality sign, Addign and Multiplying by a positive number will stay the same. Please tell me if I am wrong.

how do you get a letter in math to a number

Answers

Answer:

You need to the value of the letter "variable."

Step-by-step explanation:

Answer:

Huh? Can I get more details?

Step-by-step explanation:

HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!HELP 30 POINTS!!!!!

What is the value of p in the equation?

One-fourth (8 minus 4 p) + 2 p = 12
–20
–2
5
10

Answers

Answer:

-10 if you meant 1/4(8-4p)

-20 if you meant 1/4{(8-4p)+2p}

Step-by-step explanation:

Answer:

-10 if you meant 1/4(8-4p)

-20 if you meant 1/4{(8-4p)+2p}

Step-by-step explanation:

hope this helps have a great day.

what term best describes the graph of x-1​

Answers

Answer: it might be something like, descending slope, or declining slope, are there answer choices

A pack of 12 pens costs £3.60 . How much does one pen cost ?

Answers

30 cents

Step-by-step explanation:

30cents
Divide 3.60 by 12 = 0.3

Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all visitors to the website are looking for other websites. Assuming that this estimate is correct, find the probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website. Round your response to at least three decimal places.

Answers

Answer:

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Step-by-step explanation:

For each visitor of the website, there are only two possible outcomes. Either they are looking for the website, or they are not. The probability of a customer being looking for the website is independent of other customers. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

5% of all visitors to the website are looking for other websites.

So 100 - 5 = 95% are looking for the website, which means that [tex]p = 0.95[/tex]

Find the probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

This is P(X = 2) when n = 4. So

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = x) = C_{4,2}.(0.95)^{2}.(0.05)^{2} = 0.0135[/tex]

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Pls help me on this problem

Answers

Answer:

The Answer for that is 100

Easy 5th grade math help giving free brainliest. please answer!!

Answers

Answer:

12

Step-by-step explanation:

3 ÷1/4= 12

Answer:

12

Step-by-step explanation:

3 ÷  [tex]\frac{1}{4}[/tex]

Keep the first number, change the symbol, and flip the fraction. (KCF)

[tex]\frac{3}{1}[/tex] × [tex]\frac{4}{1}[/tex]  Solve

[tex]\frac{12}{1}[/tex] or 12

Select the expression that shows the next step for the following division
problem:
11 유는
x
6
a.
b.
5
11
5
d.
11
O a.
ob.
O d.

Answers

it would be a because you want to multiply by a reciprocal


Find the product of the following:

3.57 and 8.1
Pls help I’m being timed!!!!

Answers

Answer:

28.917

Step-by-step explanation:

i multiplied the two numbers

Hiiiiiiii aoapwbcnalokdjxnowicosbwnw

Please answer the question below:​

Answers

My guess is Answer D: 120
The answer would be D. 120

1. You see a pair of sneakers that are priced $150. You have a 20% coupon off all sneakers. How much do you pay for the sneakers with the discount?
Expression________________________

Answers

Answer: $120

Step-by-step explanation:

This is fairly easy if you use this solution to solve it

Take the $150 and multiply by 0.8

You multiply by 0.8 because you do

1-0.20 (20% off) to get 0.8

The equation will look like

$150(0.8)=$120

Six friends went to a baseball game. The price for admission per person was $x. Three of the friends bought a hot dog for $3. Write and simplify an expression that represents the total cost

Answers

Answer:

y=6x+9

Where y is the total cost, x is the price for admission, 6 is the number of friends, and 9 is the amount spent on hotdogs.

ayuda plis es para hoy.​

Answers

Answer:

8.29

Step-by-step explanation:

Cada linea representa ,1

y como es la ultima linea de las 9 antes del 8,3 la respuesta es 8.29

Juliette ate 1/3 of a cake, and Brad ate 3/8 of the same cake. What fraction of the cake was eaten?

Answers

Answer:

17/24

Step-by-step explanation:

Find common denominators...

1/3 = 8/24

3/8 = 9/24

Now add...

17/24 of the cake was eaten

Hope this helps :)

The Lcm of 4,9 what is that

Answers

Answer:

36

Step-by-step explanation:

Answer:

36

Step-by-step explanation:

A new car is purchased for 20700 dollars. The value of the car depreciates at 11% per year. What will the value of the car be, to the nearest cent, after 11 years?

Answers

I think it’s 6.495.88

please i need help i need 1-12

Answers

I gotchu. This is pretty simple okay? So when the problem is asking for X and X is inside the triangle, all you have to do is add the other two numbers, which are shown, and subtract it by 180 to get X. For example for problem number 1. You have x that’s inside the triangle, so you add up 47 and 58 which equals to 105 and then take that number and subtract it FROM 180. So the whole equation would be 47+58=105 180-105=75 so X=75. Now for other problems it’s the exact same thing all you have to do is take the other numbers add them up subtract it from 180 and you get X

Which reason justifies the statement below?

If AB + BC = AC and AC = EF + FG,

then AB+BC= EF+FG
Ill give brainless if answered fast

Answers

segment addition postulate

sum is the same

You are visiting the rainforest, but unfortunately your insect repellent ran out. As a result, at each minute, with probability 0.5, one mosquito lands on your neck, and with probability 0.5, no mosquito lands. If a mosquito lands, it will bite you immediately with probability 0.2, or leave immediately with probability 0.8. a) What is the expected time between successive bites

Answers

Answer:

we will assume a variable X for time which is time between two successive bites and time until next bite.

X = (time between successive mosquito bites) = (time until the next mosquito bite).

According to the Bernoulli process, the bites occur parameter y = (0.5)(0.2) = 0.1.

X is a geometric random variable, so

E[X] = 1/p = 10

and

var(X) = (1 − p)/p^2 = (1 - 0.1)/0.1^2 = 0.9 / 0.01 = 90

What is the simplified form of the following expression?

RootIndex 3 StartRoot StartFraction 4 x Over 5 EndFraction EndRoot
StartFraction RootIndex 3 StartRoot 4 x EndRoot Over 5 EndFraction
StartFraction RootIndex 3 StartRoot 20 x EndRoot Over 5 EndFraction
StartFraction RootIndex 3 StartRoot 100 x EndRoot Over 5 EndFraction
StartFraction RootIndex 3 StartRoot 100 x EndRoot Over 125 EndFraction

Answers

Answer:

c StartFraction RootIndex 3 StartRoot 100 x EndRoot Over 5 EndFraction

Step-by-step explanation:

Answer:

Step-by-step explanation:

C. [tex]\sqrt[3]{100}[/tex]x/5

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