Un hacendado compro "5" pollos y "8" conejos por $517,00 y una semana despues a los mismos precios compro "8" pollos y "11" por $761. 00 HALLAR EL COSTO DE UN POLLO Y DE UN CONEJO NOTA: Resolver por el metodo de sustitucion

Answer:

42

Step-by-step explanation:

In order to find the answer to this question, I had to multiply 35 times 6/5.

35x6/5=42

You can check to make sure your answer is right by doing: 42x5/6=35.

You just have to multiply the number that we are using by the reciprocal of the fraction.

For instance: 2/3 of what number is 32

32x3/2= 48

48x2/3=32

The requried number is 42, where 5/6 of 42 is 35.

Fraction is defined as the number of compositions that constitutes the Whole.

A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.

Here,
Let the number be x,
According to the question,
5 / 6 x = 35
x = 35 × 6 / 5
x = 7 × 6
x = 42

Thus, the requried number is 42, where 5/6 of 42 is 35.

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1. Colinear points are the ones that are in the same line.

In this example, K is colinear to J and L (referring to line a).

It can be N and M, referring to line c.

2. As the line has the points H and K included, it can be named HK.

3. The intersection of a line and a plane, assuming that the line is not included in the plane, is a point. In this case, the intersection of line c and plane R is point K.

4. A point is coplanar to a plane or another point when it belongs to the plane.

In this case the point M is not coplanar to the plane R (it is outside of the plane).

5. Each face of the prism is a plane and it is can be defined by 3 points. So in this case we have 5 planes (four faces and one base, that is W).

6. We can assign a name for a plane with 3 points that belong to that plane. A possible name is ABC.

7. The intersection of plane W and ADE is the line that goes through the points A and D. We can call this line with the name AD.

8. E, C or D are no colinear to A and B. They do not belong to the line that goes through the points A and B (or the line AB).

9. DF is the sum of DE and EF, so we have:

DE = 29

10. We know that:

11. If S is the midpoint of RT, then RS=ST.

We would have:

12. If y bisects AC, then AB=BC. Then we have:

13. AB is half the value of AC, so we have:

Then, we can calculate CD = AC

We can define DE as DE = CE - CD. We can calculate it as:

DE = 11

The total distance traveled by bus is 420 miles.

Let's denote the distance traveled by car as "x" miles.

The time taken for the car journey can be calculated by dividing the distance by the speed:

Time taken by car = x miles / 30 mph = x/30 hours.

The remaining distance, which was traveled by bus, would be the total distance of 630 miles minus the distance traveled by car:

Distance traveled by bus = 630 miles - x miles = (630 - x) miles.

The time taken for the bus journey can be calculated by dividing the distance by the speed:

Time taken by bus = (630 - x) miles / 60 mph = (630 - x)/60 hours.

Given that the total time was 14 hours, we can write the equation:

Time taken by car + Time taken by bus = Total time

x/30 + (630 - x)/60 = 14.

To solve this equation and find the value of x, we can multiply all terms by 60 to eliminate the denominators:

2x + 630 - x = 840,

x + 630 = 840,

x = 840 - 630,

x = 210.

Therefore, the distance traveled by bus is:

Distance traveled by bus = 630 miles - x miles = 630 miles - 210 miles = 420 miles.

So, the total distance traveled by bus is 420 miles.

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Answer:

He told me that he was a nice fellow

I told him that he looked sad and tired

She told me that I was a clever person

She told them that they could pass their exams if they worked hard

Sabnam said that she had gone to the hospital the previous day

Shilpa said that she had been extremely nervous the previous week

Husaain said that they had gone to bed early the previous night

Rahul said that he had not taken a taxi home the previous night

Answer:

C is correct

Step-by-step explanation:

6x^7+12x^6+3x^5

Answer:

Answer:

C is correct

Step-by-step explanation:

6x^7+12x^6+3x^5

it is 4 . 7 on a pex

I forgor

The radius of the basketball is 5 inches when the  volume of a basketball is about 435 cubic inches.

a three dimensional shape can be defined as a solid figure or an object or shape that has three dimensions—length, width, and height.

The formula for the volume of a sphere is V = 4/3πr³,

where V is the volume

and r is the radius.

Let us find the formula for r

3V/ 4π =r³

Take cube root on both sides

∛3V/ 4π = r

Now let us find the radius when the volume of a basketball is about 435 cubic inches.

∛3×435/ 4×3.14 = r

1305/12.56 = r

∛103.9 = r

4.7 = r

5=r

Hence, the radius of the basketball is 5 inches when the  volume of a basketball is about 435 cubic inches.

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Answer:

Since \(|Z| = 2.52 > 2\), the difference is significant.

Step-by-step explanation:

Z-score:

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.

If |Z| > 2, the measure X is significent.

In this question:

\(|X - \mu = 1.74|, \sigma = 0.69\)

So

\(Z = \frac{1.74}{0.69} = 2.52\)

Since \(|Z| = 2.52 > 2\), the difference is significant.

Given,

The given conditional statement is :If John is on a vacation, then he is in London.

Converse: If John is in London, then he is on vacation.

Inverse: If John is not on vacation, then he is not in London.

Contrapositive: If John is not in London, he is not on vacation.

From the properties of conditional statement we know that:

if p→q then

Inverse is : ∼p→∼q

Contrapositive: ∼q→∼p

Converse: q→p

Let us elaborate on the above conditions. Let us take two statement p and q  such that If p happens then q also happens.

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Answer:

1. Equation: x/-9=-16

solution: x=144

2. Equation:15*x=-75

solution: x=-5

3.Equation:0.75n=36

solution: n=48

Step-by-step explanation:

The slope of the line tangent to the graph of \(y = x^2 - 2x + 1\) when \(x = 1\) is 2.



1. Take the derivative of the given function: \(y' = 2x - 2\).

2. Substitute \(x = 1\) into the derivative: \(y' = 2(1) - 2 = 2\).



To find the slope of the tangent line, we need to differentiate the given function with respect to \(x\). The derivative of \(x^2\) is \(2x\), and the derivative of \(-2x\) is \(-2\). Therefore, the derivative of \(y = x^2 - 2x + 1\) is \(y' = 2x - 2\).

Next, we substitute \(x = 1\) into the derivative to find the slope at that point. By plugging in \(x = 1\) into the derivative, we get \(y' = 2(1) - 2 = 2\). Thus, the slope of the tangent line at \(x = 1\) is 2.

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Answer:

it is False

Step-by-step explanation:

Answer:

The domain is equal to (x)=√x

(x)=x is x>0x>0

Answer:

7, 5, 1, 3

Step-by-step explanation:

Hope this Helps!

Please mark me Brainliest

Answer:

37⁰

Step-by-step explanation:

180⁰ - 106⁰ =74⁰

74⁰ ÷ 2= 37⁰

Answer:

Step-by-step explanation:

0.75x+3-10x=21

To test the hypothesis H₁: μx = μy versus Hoxy, where μx and μy represent the means of X and Y respectively, we can perform a two-sample t-test. The test compares the means of two independent samples to determine if they are significantly different from each other.

The given information provides the sample means (X = 33.8, Y = 32.5) and the sample standard deviations (Sx = 3.9, Sy = 5.1). The sample sizes for both X and Y are n = m = 25.

Using this information, we can calculate the test statistic, which is given by:

t = (X - Y) / sqrt((Sx^2 / n) + (Sy^2 / m))

Plugging in the values, we get:

t = (33.8 - 32.5) / sqrt((3.9^2 / 25) + (5.1^2 / 25))

Next, we need to determine the degrees of freedom for the t-distribution. Since the sample sizes are equal (n = m = 25), the degrees of freedom for the test is given by (n + m - 2).

Using the t-distribution table or software, we can find the critical value corresponding to a significance level of α = 0.05 and the degrees of freedom.

Finally, we compare the calculated test statistic with the critical value. If the test statistic falls within the rejection region (i.e., the absolute value of the test statistic is greater than the critical value), we reject the null hypothesis. The p-value can also be calculated, which represents the probability of observing a test statistic as extreme or more extreme than the calculated value, assuming the null hypothesis is true.

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Answer:

B is the answer in the first quadrant x is positive

Answer:

20.65%

Step-by-step explanation:

\( \frac{19}{92} \\ \\ = \frac{19 \times 100}{92} \% \\ \\ = \frac{1900}{92} \% \\ \\ = 20.6521739 \%\\ \\ = 20.65\%\)

To the nearest percent, the probability that an earthquake will occur while you are at work is approximately 23%.

The probability that an earthquake will occur while you are at work can be calculated by dividing the number of hours you are at work by the total number of hours in a year.
Step 1: Calculate the total number of hours in a year:
There are 24 hours in a day, so multiplying 24 by 365 (the number of days in a year) gives us 8,760 hours in a year.
Step 2: Calculate the number of hours you are at work in a year:
Since you work 8 hours per day, multiply 8 by 250 (the number of days you work in a year) to get 2,000 hours.
Step 3: Calculate the probability:
Divide the number of hours you are at work (2,000) by the total number of hours in a year (8,760) and multiply by 100 to convert to a percentage.
Probability = (2,000 / 8,760) * 100 = 22.83%
Therefore, to the nearest percent, the probability that an earthquake will occur while you are at work is approximately 23%.

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By using the concept of probability, it can be calculated that

a)  P(X \(\leq\) 1) = 0.25

b) P(0.5 \(\leq\) X \(\leq\) 1)  = 0.1875

c) P(X > 1.5) = 0.4375

d) Median = 1.414

e) F'(X) = 0.5x , 0 \(\leq\) x \(\leq\) 2

           0, otherwise

f) E(X) = 1.33

g) V(X) = 0.2311, SD(X) = 0.4807

h)  E(h(X)) = 2

What is probability?

Probability gives us the information about how likely an event is going to occur

Probability is calculated by Number of favourable outcomes divided by the total number of outcomes.

Probability of any event is greater than or equal to zero and less than or equal to 1.

Probability of sure event is 1 and probability of unsure event is 0.

The cdf is

f(x) = \(\left \{ {\frac{x^2}{4}},{ 0 \leq x \leq 2} \atop {1, x=2}} \right.\)

Now,

a) P(X \(\leq\) 1) = \(\frac{1^2}{4} = 0.25\)

b) P(0.5 \(\leq\) X \(\leq\) 1)

= \(\frac{1^2}{4} - \frac{0.5^2}{4}\\\\\frac{3}{16}\\\\0.1875\)

c) P(X > 1.5) = 1 - P(X \(\leq\) 1.5)

                      \(1 - \frac{1.5^2}{4}\)

                       0.4375

d) Let \(\mu\) be the median

P(x \(\leq \mu\)) = 0.5

\(\frac{\mu^2}{4} = 0.5\)

\(\mu^2 = 0.5 \times 4 =2\\\mu = \sqrt{2}\\\mu = 1.414\)

e) F'(x) =

\(\frac{2x}{4}, 0 \leq x \leq 2\\0, otherwise\)

F'(X) = 0.5x , 0 \(\leq\) x \(\leq\) 2

           0, otherwise

f) E(x) =

\(\int_0^2 x \times 0.5 xdx\\=0.5 \times \frac{x^3}{3} |_0^2 \\=0.5 \times \frac{2^3}{3}\\=\frac{4}{3}\\=1.33\)

g) V(X) = E(\(X^2\)) -\((E(X))^2\)

    E(X^2) =

                   \(\int_0^2x^2(0.5x)dx \\0.5 \times \frac{x^4}{4}|_0^2\\2\)

\(V(X) = 2 - (1.33)^2\)

V(X) = 0.2311

SD(X) = \(\sqrt{0.2311} = 0.4807\)

h) h(X) = \(X^2\)

   E(h(X)) = \(\int_0^2X^2({0.5X)dx\)

               = \(0.5 \frac{x^4}{4}|_0^2\)

               = \(0.5 \times \frac{2^4}{4}\)

               = 2

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Step-by-step explanation:

\( = 4x - 8y + 6 {x}^{2} + 3x - 5y\)

\( = 6 {x}^{2} + (4x + 3x) + ( - 8y - 5y)\)

\( = 6 {x}^{2} + 7x - 13y\)

The answer is B.

Answer:

b.) 6x² + 7x - 13y

Explanation:

Given Expression

= 4x - 8y + 6x² + 3x - 5y

collect like terms

= 6x² + 4x + 3x -8y - 5y

combine similar terms

= 6x² + 7x - 13y

The probability that the center of the circle lies inside the region of n-gon = 1/2

Let the N point be chosen randomly on the circumference of the circle.

Let's take N as  a1, a2, a3,…….an.

Now we need to find the probability that how many centers lie inside the region of n-gon. As there will be n- sided polygons can be formed inside the circle by joining all the points.

So here are the Possible Outcome is 2. One center may lie outside the polygon and the other which lie inside the center.

But we want one which lies inside the center. So our Favorable Outcome is 1.

So the Probability = Favorable outcome \ possible outcome

                                = 1/2

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The average percentage change in population in California from 2000-2009 is 1.35% and population in 2015 will be 39306963.

What is average?

In mathematics, the average is a value that represents the central or typical value in a set of numbers. There are several types of averages, including the mean, median, and mode.

The mean is the most commonly used type of average, and it is calculated by adding up all the numbers in a set and then dividing the sum by the total number of numbers. For example, the mean of the set {3, 5, 8, 12} can be calculated as:

mean = (3 + 5 + 8 + 12) / 4 = 7

Now,

To calculate average of percentage change from 2000-2009

we have to add percentage change for every year

and that will be = 1.97+1.71+1.65+1.42+1.22+1.02+1.07+1.22+0.93

=12.21%

then average=12.21/9=1.35%

hence,

          The average percentage change in population in California from 2000-2009 is 1.35%.

The population in 2015 will be = 37000000 + (1.35)⁶ × 37000000/100

=37000000+2306963.15

=39306963

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The difference between the areas in square miles is 481.

Given that Alaska is 873 sq miles in size, while Rhode Island is 392 sq miles in total, to determine what is the difference between the areas in square miles, the following calculation must be performed:

Therefore, the difference between the areas in square miles is 481.

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Answer:

13.125 cubic inches

Step-by-step explanation:

Volume of box is 3/2 X 7/2 X 5/2 = 105/8 = 13 1/8 = 13.125 cubic inches  

Answer:

choice 4) sq rt 69 ft

Step-by-step explanation:

13^2 - 10^2

169-100 = 69

sq rt 69

Answer:

1/2×19

by triangle

by radius

38

2×38

The number of distinct initial possible pairings is determined by the formula (n/2) * ((n-2)/2) * ((n-4)/2) * ... * 1, where the number of terms in the product is (n-1)/2.

In a single-elimination ping-pong tournament, each player gets to play against every other player once. It is a type of tournament in which players are eliminated after losing once until there is only one winner.

The total number of games that need to be played in such a tournament is (n-1), since each game eliminates one player from the tournament.

As a result, we know that the number of games played in a single-elimination ping-pong tournament with n players is (n-1).

The possible pairings for the first game in the tournament are n/2, since the first player may be paired with any of the remaining n-1 players, the second player may be paired with any of the remaining n-2 players, and so on.

Then we may have (n-2)/2 possible pairings for the second game, (n-4)/2 possible pairings for the third game, and so on.

In general, we can see that there are (n-2k)/2 possible pairings for the k-th game.

Because a distinct tournament bracket is generated by each of these distinct initial pairings, the number of distinct initial pairings resulting in a distinct tournament bracket is given by:

(n/2) * ((n-2)/2) * ((n-4)/2) * ... * 1,

where the number of terms in the product is (n-1)/2

Since a distinct tournament bracket is generated by each of these distinct initial pairings, this formula calculates the number of distinct initial possible pairings resulting in a distinct tournament bracket.

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