cuánto debo pagar por 280 G de carne Si el kg cuesta $30.00​

Answer:

1. 8r+7

2. 8 ( r-t)

3. 2(3r+5t)

Step-by-step explanation:

See Image below:)

Answer: We needs to see the lengths of the shape

Step-by-step explanation:

three fair dies are rolled. The first die is a 10-sided fair die and it shows 8.The second die is a 20-sided fair die and it shows 21.The third die is a 6-sided fair die and it shows an odd number. the probability is 1/400.

The probability that all three are occurring is given by the probability of the first die multiplied by the probability of the second die multiplied by the probability of the third die

Probability = P(first die shows 8) * P(second die shows 21) * P(third die shows an odd number)

The probability of the first die showing 8 is 1/10The probability of the second die showing 21 is 1/20The probability of the third die showing an odd number is 3/6 (as there are 3 odd numbers out of 6 numbers)Therefore, the probability of all three happening is:

Probability = P(first die shows 8) * P(second die shows 21) * P(third die shows an odd number) = (1/10) * (1/20) * (3/6) = 1/400

Thus, the probability is 1/400.

For more question sided fair die

https://brainly.com/question/2410543

#SPJ8

The value of f(3) is 2.

Option B is the correct answer.

A function has an input and an output with a relationship between them.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

f(x) = 1/4 x \(2^x\)

Substitute x = 3.

f(3) = 1/4 x 2³

f(3) = 1/4 x 8

f(3) = 2

Thus,

The value of f(3) is 2.

Learn more about functions here:

https://brainly.com/question/28533782

#SPJ9

Answer:

65 boletos.

Step-by-step explanation:

Sabemos que el precio para un niño es 6 dólares, y el precio para un adulto es 9,20 dólares. Además, el cine se vendió 146 boletos, y recibió 1135,20 dólares.

Vamos a resolver este problema con un sistema, usando 2 varibles.
No sabemos cuantos boletos de niño el cine vendió, entonces el cine vendió <<x>> boletos de niños. Tampoco sabemos cuantos boletos de adultos vendió, entonces vendió <<y>> boletos de adultos.

En total, vendió 146 boletos; el número de los boletos de niños con el número de los boletos de adultos es 146 boletos.

Usando las variables, x + y = 146 boletos.

Esta es una de las equaciones que necesitamos.

Porque todos los boletos de niños es 6 dólares, si el cine vendió <<x>> boletos, su total de ventas (de boletos de niños) es <<6x>> dólares.

Lo mismo es verdad para los boletos de adultos; todos los boletos de adultos es 9,20 dólares, entonces si vendió <<y>> boletos, el total de ventas de boletos de adultos es <<9,20y>> dólares.

En total, las ventas de los boletos de niños + las ventas de los boletos de adultos es 1135,20 dólares.

O, con variables, es 6x + 9,20y = 1135,20

Nuestra sistema es:

x + y = 146

6x + 9,20y = 1135,20

Ahora necesitamos resolver esta sistema.

Podemos usar la sustitución. Vamos a resolver una de las eqaciones para una variable, y después, usar el valor de esa variable para encontrar la solución para una de las variables, y después, usar  esa solución para encontrar la solución de la otra variable.

Podemos mover <<y>> al otro lado.

x + y = 146 => x = 146 - y

Ahora, podemos sustituir <<x>> para 146 - y en 6x + 9,20y = 1135,20

6(146-y) + 9,20y = 1135,20

Multiplica.

876 - 6y + 9,20y = 1135,20

Combina los términos que son los mismos.

876 + 3,20y = 1135,20

Mueva 876 al otro lado.

876 + 3,20y = 1135,20 => 3,20y = 259,20

Divide todo por  3,20.

3,20y/ 3,20 = 259,20/ 3,20

y = 81

Entonces, el cine vendió 81 boletos de adultos.

Recuerda, esta (81 boletos de adultos) no es lo que necesitamos. Necesitamos cuantos boletos de niños vendió.

Entonces, podemos substituir <<y>> con 81 en x = 146 - y. Recuerda que <<x>> es cuantos boletos de niños vendió.

x = 146 - y => x = 146 - 81 => 65

Entonces, el cine vendió 65 boletos de niños.

Answer:

Answer:0.98

Step-by-step explanation:got it right on khan

Answer:

no, it is not

Step-by-step explanation:

STEP 1: Simplify (x−1)(x+2).

\(x^2+x-2=x+3\)

STEP 2: Move all terms containing x to the left side of the equation.

\(x^2-2=3\)

STEP 3: Move all terms not containing x to the right side of the equation.

\(x^2=5\)

STEP 4: Take the square root of both sides of the equation to eliminate the exponent on the left side.

\(x=\)±\(\sqrt{5}\)

STEP 5: The complete solution is the result of both the positive and negative portions of the solution.

\(x=\sqrt{5} ,-\sqrt{5}\)

Answer: -5

Step-by-step explanation:

parallel lines have equal/same slope

Answer:

false because simplifying it would be 2(square root 10) so it will be an irrational number

Answer: y=-16.38+1.22x

Step-by-step explanation:

Answer:y=-16.38+1.22x

Step-by-step explanation:

Answer:

The constant of proportionality is 5. It represents the cups of yellow paint needed for 1 cup of blue paint.

Answer:

-11/6

Step-by-step explanation:

Slope can be found with this equation:

(y₁ - y₂) / (x₁ - x₂)

What this essentially tells us to do is to put one set of the x and y coordinates into x₁ and y₁, respectfully. Then, put the other set of x and y points as x₂ and y₂.

With this scenerio, we can substitute the given points into the formula.

(6 - (-5)) / (-4 - 2) =

(6 + 5 ) / (-6) =

11 / (-6) =

-11/6

The slope is  - 11/6

Answer:

The answer is the range of the function y = x + 3 when the domain is {-2, 0, 4}, which is the set {1, 3, 7}.

Step-by-step explanation:

The range of the function y = x + 3 is the set of all possible values of y for a given value of x in the domain of the function. In this case, the domain of the function is the set {-2, 0, 4}, so the range of the function is the set of all possible values of y for x equal to -2, 0, and 4.

To find the range, we need to substitute each of these values of x into the equation y = x + 3 and solve for y. When x = -2, we have y = -2 + 3 = 1. When x = 0, we have y = 0 + 3 = 3. And when x = 4, we have y = 4 + 3 = 7. Therefore, the range of the function y = x + 3 when the domain is {-2, 0, 4} is the set {1, 3, 7}.

Answer:

5 rolls.

Step-by-step explanation:

The perimeter of a two-dimensional shape is the distance all the way around the outside.

Given the square ceiling has side lengths of 15√2 feet, and the side lengths of a square are equal, the perimeter of the ceiling is:

\(\implies 4 \times 15\sqrt{2}=60\sqrt{2}\;\; \sf ft\)

Diagonal of a square

\(d=\sqrt{2s^2}\)

where s is the side length.

Therefore, the length of the diagonal of the ceiling is:

\(\implies d=\sqrt{2(15\sqrt{2})^2}\)

\(\implies d=\sqrt{2\cdot 450}\)

\(\implies d=\sqrt{900}\)

\(\implies d=30\;\; \sf ft\)

Therefore, the total amount of crepe paper Victoria needs is:

\(\begin{aligned}\implies \sf Total\;length&=\sf Perimeter+2\;diagonals\\&=60\sqrt{2}+30+30\\&=144.8528137...\;\; \sf ft\end{aligned}\)

If each roll contains 30 ft, to calculate the minimum number of rolls Victoria should buy, divide the total amount of crepe paper by 30 and round up to the nearest whole number:

\(\implies \dfrac{144.8528137...}{30}=4.828427125...\)

Therefore, Victoria should buy a minimum of 5 rolls of crepe paper.

Answer:

5 rolls

Step-by-step explanation:

We are here given that the length of a ceiling which is square in shape is 15√2 ft .

She wants to decorate her ceiling with crepe paper around the perimeter and from each corner to the opposite corners ( this means along the diagonals of the wall ) For figure see attachment.

So from the figure th total length of crepe paper required will be ,

l = AB + BC + CD + DA + BD + AC . . . . . (i)

and here AC = BC = CD = DA = 15√2 ft .

Also BD = AC [ as the diagonals of a square are equal]

So , we can write (i) as ,

l = 4*AB + 2*AC

In right angled triangle BDC ,

BC² + CD² = BD² [ Pythagoras theorem]

(15√2ft)² + (15√2ft)² = BD²

450ft2 + 450ft² = BD²

900ft² = BD²

√900ft² = BD²

30ft = BD

So total length of crepe paper required will be,

l = 4*15√2 ft + 2*30ft

l = 60*1.4141ft + 60ft

l = 84.84ft + 60ft

l = 144.84ft

Now we are here given that the length of each roll is 30ft . So total number of such roles that will be required is ,

n = 144.84ft / 30ft

n = 4.828 rolls

n ≈ 5 rolls

and we are done!

The sampling method used by the restaurant manager allows for efficient data collection and a representative sample, it may introduce bias and lacks randomization.

Based on the information provided, we can identify the following statements that are true about the sampling method used by the restaurant manager to evaluate customer satisfaction with the new smoothie:

1. The manager uses systematic sampling: The manager surveys every other customer who orders the new smoothie. This systematic approach involves selecting every second customer, providing a consistent and organized sampling method.

2. The sample is representative: By surveying every other customer who orders the new smoothie, the manager ensures that the sample includes a variety of customers, reflecting the customer population as a whole.

3. The sample size may be smaller than the total customer base: Since the manager surveys every other customer, the sample size may be smaller compared to surveying every customer. This allows for efficient data collection and analysis.

4.The sampling method may introduce bias: The manager may inadvertently introduce bias by only surveying every other customer. Customers who are skipped in the survey may have different preferences or opinions, leading to a potential bias in the results.

5. The sampling method lacks randomization: Randomization is not employed in this sampling method, as the manager systematically selects customers. This could potentially introduce bias or exclude certain types of customers from the sample.

for more such questions on sampling method

https://brainly.com/question/13219833

#SPJ8

The baker can only make peanut butter cookies and cannot make any chocolate chip cookies with the given amount of ingredients.

Let's denote the number of batches of peanut butter cookies as "x" and the number of batches of chocolate chip cookies as "y."

From the given information, we can set up the following system of equations:

For the flour:

2x + 3y = 26

For the butter:

34x + y = 9

To solve this system of equations, we can use the substitution method or the elimination method. Let's use the elimination method:

Multiply the first equation by 17 (to make the coefficients of x in both equations the same):

34x + 51y = 442

Now we have the system of equations:

34x + y = 9

34x + 51y = 442

Subtract the first equation from the second equation:

34x + 51y - (34x + y) = 442 - 9

50y = 433

Divide both sides by 50:

y = 433/50

Since the number of batches of cookies cannot be fractional, we need to find a whole number solution for y. However, in this case, y is a fraction, indicating that the given amount of butter is not sufficient to make even one batch of chocolate chip cookies.

for similar questions on  ingredients.

https://brainly.com/question/1578467

#SPJ8

Step-by-step explanation:

\((x - 2) {?}^{2} + (y + 3) { = 18} \)

Based on the relationship between the length and width of the rectangle, the length of the rectangle for the various values of the width is given below:

The relationship between the length and the width of the rectangle is a linear relationship given by the linear equation below:

l = w/3

where;

l is the length of the rectangle

w is the width of the rectangle

When w = 1

l = 1/3

When w = 3

l = 3/3

l = 1

when w = 7

l = 7/3

Learn more about linear equations at: https://brainly.com/question/28732353

#SPJ1

Answer:

$0.03

Step-by-step explanation:

chips: 7.84/16=0.49

pretzels: 12.48/24=0.52

0.52=0.49=0.03

Answer:

46.4 in ^2

Step-by-step explanation:

We know the area of a rectangle is found by

A = l*w  where l is the length and w is the width

A = 14.5 * 3.2

A = 46.4 in ^2

Just put -2 in,where X is and get your answer that way

Answer:

2.5 hours

Step-by-step explanation:

Noah         Andre

4                2          =6       1hr

8                4           =12     2hr

12               6           =18     3hr

10                5          =15      2.5hr

Answer:

21km

Step-by-step explanation:

1km=100000cm

14x150000=2100000cm=21km

The distance in real life in kilometers by the given scale factor will be 21 kilometers.

You must specify the extent of the shape's enlargement when describing one.

The scale factor is the ratio of two dimensions such that one figure is large and another is small.

The scale factor is done due to the unpractical measurement of any figure.

As per the given,

Scale factor = 1 : 150000

It means 1 cm will convert to 150000 cm.

In real life = 14 x 150000 = 2100000 cm

2100000 cm = 21000 m = 21 kilometer

Hence "The distance in real life in kilometers by the given scale factor will be 21 kilometers".

To learn more about scale factors,

brainly.com/question/22312172

#SPJ6

Answer:

3.8

Step-by-step explanation:

6 - 2 1/5 = 6 - 11/5

= 6-2.2

=3.8

The difference between the 6 and 2 1/5 will be 3.8

A fraction represents a part of a number or any number of equal parts. There is a fraction, containing numerator(upper value) and denominator(lower value).  When the numerator is less than the denominator, the fraction is called proper fraction, otherwise it is called improper fraction. A proper fraction is also called fraction which is less than 1. A mixed fraction contains a sum of whole number and a proper fraction.

So, WE need to find the difference between the 6 and \(2 \frac{1}{5}\).​

First we need to convert the mixed fraction into simple fraction.

\(2 \frac{1}{5}\) = 11/5

Therefore, the difference between them will be;

6 -  \(2 \frac{1}{5}\)  = 6 - 11/5

= 6 - 2.2

= 3.8

Hence, the difference between the 6 and \(2 \frac{1}{5}\) will be 3.8

Learn more about fraction;

https://brainly.com/question/729654

#SPJ2

Answer:

The range that you would expect 68.26 percent of the grades to fall is between 53 and 83.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

In a set with mean \(\mu\) and standard deviation \(\sigma\), the zscore of a measure X is given by:

\(Z = \frac{X - \mu}{\sigma}\)

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

\(\mu = 68, \sigma = 15\)

Middle 68.26% of the grades:

From the

50 - (68.26/2) = 15.87th percentile

To the

50 + (68.26/2) = 84.13rd percentile.

15.87th percentile:

X when Z has a pvalue of 0.1587. So X when Z = -1.

\(Z = \frac{X - \mu}{\sigma}\)

\(-1 = \frac{X - 68}{15}\)

\(X - 68 = -1*15\)

\(X = 53\)

84.13rd percentile:

X when Z has a pvalue of 0.8413. So X when Z = 1.

\(Z = \frac{X - \mu}{\sigma}\)

\(1 = \frac{X - 68}{15}\)

\(X - 68 = 1*15\)

\(X = 83\)

The range that you would expect 68.26 percent of the grades to fall is between 53 and 83.

Answer: It is a reflection of Reflections of You (second location) in the x-axis.

Step-by-step explanation: Based on the given information, the relationship between the new location (The Gridiron) and the previous locations can be determined.

The correct answer is:

   It is a reflection of Reflections of You (second location) in the x-axis.

The coordinates of the first three checkpoints of The Gridiron (A''(0,−5), B''(9,−5), and C''(4,−5)) indicate that they have the same y-coordinate (-5) as the corresponding checkpoints in the second location, Reflections of You. However, there is no indication of a reflection in the y-axis or any transformation related to the first location, Transformation Fitness Studios. Therefore, the correct answer is that The Gridiron is a reflection of Reflections of You in the x-axis.