15 points!!! Imma mark you brainliest too!! Please help

Meera bought two cows for $10000. If she sold one at the loss of 30% and other at the profit of 30% and she figures out that she sold them for the same price, Find the percentage of profit or loss in whole transaction!!!

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Answer:

Is there anything else to this question cause it's confusing and I would help you but if there is more information

Step-by-step explanation:

The number of errors in a textbook follows a Poisson distribution with a mean of 0.04 errors per page. To find the expected number of errors in a textbook with 204 pages, we need to multiply the mean by the number of pages.

Expected number of errors = mean * number of pages = 0.04 * 204 = 8.16

Therefore, we can expect to find approximately 8 errors in a textbook that has 204 pages, based on the given Poisson distribution with a mean of 0.04 errors per page. It is important to note that this is only an expected value and the actual number of errors could vary.

Additionally, Poisson distribution assumes that the errors occur independently and at a constant rate, which may not always be the case in reality. Nonetheless, the Poisson distribution provides a useful approximation for the expected number of rare events occurring in a given interval.

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Answer:

352

Step-by-step explanation:

The terms

a₁ = 44 , a₃ = 88, a₅ = 176 are doubling each time, thus

a₇ = 2 × 176 = 352 ← the next term

Answer: 1508.8

Step-by-step explanation

Answer:

D on edge

Step-by-step explanation:

2020

Answer:

D

Step-by-step explanation:

Ed2021

To determine if a function has a vertical asymptote, you need to consider its behavior as the input approaches certain values.

A vertical asymptote occurs when the function approaches positive or negative infinity as the input approaches a specific value. Here's how you can determine if a function has a vertical asymptote:

Check for restrictions in the domain: Look for values of the input variable where the function is undefined or has a division by zero. These can indicate potential vertical asymptotes.

Evaluate the limit as the input approaches the suspected values: Calculate the limit of the function as the input approaches the suspected values from both sides (approaching from the left and right). If the limit approaches positive or negative infinity, a vertical asymptote exists at that value.

For example, if a rational function has a denominator that becomes zero at a certain value, such as x = 2, evaluate the limits of the function as x approaches 2 from the left and right. If the limits are positive or negative infinity, then there is a vertical asymptote at x = 2.

In summary, to determine if a function has a vertical asymptote, check for restrictions in the domain and evaluate the limits as the input approaches suspected values. If the limits approach positive or negative infinity, there is a vertical asymptote at that value.

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Answer:

7

Step-by-step explanation:

We want to evaluate the fraction below for x = 3. We will put the value of x to be 3:

\(\dfrac{7^2}{x^2-2}\\\\= \dfrac{7^2}{3^2-2}\\\\= \dfrac{49}{9-2}\\\\= \dfrac{49}{7} = 7\)

The answer is 7.

Answer:

Step-by-step explanation:

goodluck khan academy users

The area of the triangle is 94.9 square inches

For given question,

We have been given triangle RST has sides measuring 22 inches and 13 inches and a perimeter of 50 inches.

Let x be the third side of ΔRST

⇒ 22 + 13 + x = 50

⇒ x = 50 - 35

⇒ x = 15

Let s = sum of three sides of the triangle / 2

s = (22 + 13 + 15)/2

s = 25

Now using the formula for the area of the triangle,

A = √[s × (s-a) × (s-b) × (s-c)]

Let a = 22 inches, b = 13 inches, c = 15 inches

Substituting the values,

⇒ A = √[25 × (25 - 22) × (25 - 13) × (25 - 15)]

⇒ A = √(25 × 3 × 12 × 10)

⇒ A = √9000

⇒ A = 94.9 square inches

Therefore, the area of the triangle is 94.9 square inches

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The area of  triangle rst which have sides 22 inches and 13 inches with perimeter 50 inches is 95 square inches.

We are given that the two sides of the triangle rst are 22 inches and 13 inches respectively. Also perimeter of the triangle rst is 50 inches.

We have to find the area of  triangle to the nearest square inches.

Let the third side of the triangle rst be x.

Hence,

22 + 13 + x = 50 inch

35 + x = 50 inch

x = 50 - 35
x = 15 inches

Hence, the third side of the triangle is 15 inches.

We will use the Heron's formula here to find the area of the triangle.

Heron's formula = \(\sqrt{s(s-a)(s-b)(s-c)}\)
Here,

s = Semi- perimeter

a, b, and c are sides of the triangle.

Hence,

\(s=\frac{50}{2} \\\\s=25 inches\)

a = 22 inches

b = 13 inches

c = 15 inches

Hence,

Area of the triangle rst = \(\sqrt{25(25-22)(25-13)(25-15)}\\\\ \sqrt{25(3)(12)(10)} =\sqrt{5*5*3*3*2*2*5*2}=5*3*2\sqrt{5*2}=30\sqrt{10}\)

We know that,

\(\sqrt{10}\) ≈ 3.162277
Hence,

\(\sqrt{10} * 30\) ≈ 94.86831 ≈ 95 square inches.

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Answer:

Step-by-step explanation:

V= π(8)^2(12/3)

V= 64(4)π

V= 256π

V= 804.3 cm^3

Word form One hundred three and five hundred three thouandth

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The statement that is NOT correct about hypothesis testing is: "We cannot eliminate both type l error and type II error at the same time."

In hypothesis testing, we aim to make a decision about a population parameter based on sample data. Type I error refers to rejecting a true null hypothesis, while Type II error refers to failing to reject a false null hypothesis. While it is not possible to completely eliminate both types of errors simultaneously, we can minimize the chances of committing either of them by choosing an appropriate significance level and conducting a power analysis.

Therefore, the statement that we cannot eliminate both Type I and Type II errors at the same time is incorrect.

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Answer:

The value of x is 12.

Step-by-step explanation:

I took extra ciricular math classes in high school, So I am a pro at equations

Answer:

last choice

Step-by-step explanation:

x² + 10x + 24 = 0

For the middle term coefficient of 10, we need (10/2)² = 5² = 25.

x² + 10x + 25 - 1 = 0

x² + 10x + 25 = 1

(x + 5)² = 1

Answer: last choice

Answer:

Table four.

Step-by-step explanation:

You can rule out the first two options right away. On the LHS you have a positive number, or at best zero. On the RHS you have a negative number. Neither can happen with real numbers.

Table three doesn't work either. In order to write the LHS as a square you need to have the sum of two squares, plus twice their product. 26 is obviously not a square, so no good.

Finally, the fourth one is correct. 25 is 5 squared, and 10x is 2 times 5 times x.

D). There is at least one row of the coefficient matrix that does not have a pivot position. is the correct option. Since there is at least one row of the coefficient matrix that does not have a pivot position, the system is consistent.

This means the augmented matrix, which will have the form 0 000 0 o 0 0so the system is consistent. nine columns, could have a row of the form 0 0 o o o 0 0 0 1so the system could be inconsistent.What is a consistent system?A consistent system of equations has at least one solution. This means that the system is solvable, and there is a unique solution, no solution, or infinitely many solutions.

However, for a system of linear equations to be consistent, the rank of the coefficient matrix should be equal to the rank of the augmented matrix.What is a pivot position?A pivot position is a position in the coefficient matrix in a system of equations that contains the leading coefficient (the first non-zero entry in a row). These pivot positions indicate that a row has a leading coefficient, which means that the row is a pivot row and is used to solve a system of equations.

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Answer: the equivalent number ratio is 40:24 and 5:3 ???

Step-by-step explanation:

Divide 24 by 3 to get 8 then do 5 times 8 to get 40 to prove your answer witch I have you can simply the ratio

Please mark me as brainlest

Answer:

the measurements must be incorrect because when you solve it, it is obvious that 6x is not a 90 degree angle and 3x is not 45 degrees.

Step-by-step explanation:

Answer:

x=20

Step-by-step explanation:

Ques5) x value is 20 because 3x+6x=180

=>9x=180

=> x=180/9

=> x=20

Ques6) 6x= 6*x which is equal to 6*20=120

Ques7) 3x=3*x which is equal to 3*20=60

This is correct because 120+20=180 which is a straight angle given in the question. Hope this helped, Thank you.

Answer:

11. x = 16

12. x = 26

Step-by-step explanation:

11. ∠1 + ∠2 = 90°

   ∠1 = 42°

   ∠2 = 90° - 42° = 48°

   3x = 48

   x = 16

12. ∠C + ∠D = 180°

∠C = 128°

∠D = 180° - 128° = 52°

2x = 52

x = 26

Answer:

10 x 24 x 13 = 3120?

Step-by-step explanation:

I hope this is right!

Answer:

\(10\sqrt{313} +24\sqrt{194}+240\) square units

Step-by-step explanation:

If your base is 10x24, and the vertical height is 13, you first have to find the slant height of the pyramid, in other words, calculate the hypotenuse of the triangles constructed using the height and the base divided by 2. You will need to find two slant heights as the base is not square. If you look at that image, the slant heights are marked in blue, and the specific measurements know are given in red. Using that, we can apply the Pythagorean theorem to determine the slant heights, which are \(\sqrt{194}\) and \(\sqrt{313}\), then we need to calculate the area of each triangular face. Thus they are \(5\sqrt{313}\) and \(12\sqrt{194}\), but there are two identical faces in the pyramid, which means we should double the area of the faces to achieve \(10\sqrt{313} +24\sqrt{194}\), then we need to simply add the base as it's a face. So the answer is \(10\sqrt{313} +24\sqrt{194}+240\)

Answer:

J’ (-3,0)

Step-by-step explanation:

Right = x + 1 = -4 + 1 = -3

down = y-4 = 4-4 = 0

The total amount accrued of Eva principal plus interest, with compound interest on a principal of $500.00 at a rate of 4% per year compounded 365 times per year over 15 years is $911.03.

The total amount accrued of Amira principal plus interest, with compound interest on a principal of $500.00 at a rate of 4% per year compounded 12 times per year over 15 years is $910.15.

Compounded interest adds interest not only to your principle amount, but your accumulated interest over time.

To calculate compound interest we use the formula below where A = total balance after t years, P = principal amount (amount borrowed or invested), r = interest rate (decimal form), and t = time in years.  

Eva invested $500 in an account paying an interest rate of 4 5/8% compounded daily.

A = $911.03

A = P + I where

P (principal) = $500.00

I (interest) = $411.03

First, convert R as a percent to r as a decimal

r = R/100

r = 4/100

r = 0.04 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 500.00(1 + 0.04/365)(365)(15)

A = 500.00(1 + 0.00010958904109589)(5475)

A = $911.03

Hence, The total amount accrued of Eva principal plus interest, with compound interest on a principal of $500.00 at a rate of 4% per year compounded 365 times per year over 15 years is $911.03.

Amira invested $500 in an account paying an interest rate of 4 3/4% compounded monthly.

Given Principal (P) = $500

Interest rate (r) = 6%

Time (t) = 15 years

By taking compound interest formula:

\(A = P(1+\frac{r}{n} )^{\frac{n}{t} }\)

First, convert R as a percent to r as a decimal

r = R/100

r = 4/100

r = 0.04 rate per year,

Then solve the equation for A

\(A = P(1+\frac{r}{n})^{\frac{n}{t} }\)

A = 500.00(1 + 0.04/12)(12)(15)

A = 500.00(1 + 0.0033333333333333)(180)

A = $910.15

Hence the answer is, The total amount accrued, principal plus interest, with compound interest on a principal of $500.00 at a rate of 4% per year compounded 12 times per year over 15 years is $910.15.

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Answer:18

Step-by-step explanation:

The answers to the equation x2 – 6x = 16 are x = -2 and x = 8.

Two approaches to the equation x2 - 6x = 16 will be examined. First, factoring is used; second, the quadratic formula.

We shall employ the subsequent steps when factoring a solution:

Put all of the terms that are not zero on one side of the equation and zero on the other.

Add the non-zero component of the equation.

Solve the equation by setting each factor to 0.

Getting all non-zero terms on one side of the equation is the first thing want to do.

They are 8x and -2x, respectively. Therefore, (x+8) are the factors of x2 + 6x - 16 = 0. (x-2).

Therefore, the answers to the equation  is x2 – 6x = 16 are x = -2 and x = 8.

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Answer:

22.2 years

Step-by-step explanation:

Doubling formula is given as:

P(t) = Po × (2)^t/k

Where

Po = Initial amount invested = $5600

P(t) = Amount after time t = $72500

k = Time it takes to double = 6 years

t = Time in years = ??

Hence:

72500 = 5600 × (2)^t/6

Divide both sides by 5600

72500/5600 =( 5600 × (2)^t/6)5600

12.946428571 = (2)^t/6

Take the In of both sides

In 12.946428571 = In (2)^t/6

In 12.946428571 = t/6 In (2)

Divide both sides by In 2

In 12.946428571/In 2 = t/6

3.6944822628 = t/6

Cross Multiply

t = 6 × 3.6944822628

t = 22.166893577 years

Approximately

t = 22.2 years

Therefore, it would take 22.2 years

Answer:

betewwn them?

Step-by-step explanation:

Answer:

B is correct_

Answer:

A =28 pi cm^2

Step-by-step explanation:

First find the area of the larger circle

A = pi r^2

A = pi (8)^2

A = 64 pi

Find the area of the smaller circle

A = pi r^2

A = pi 6^2

A = 36 pi

The shaded area is the larger circle minus the smaller circle

A shaded = 64 pi - 36 pi

A =28 pi cm^2

In mathematics, we can define ratio as how many times one number contains another. In the other word, a ratio says how much of one thing there is compared to another thing. Example, there are ten apples and six lemons in a basket of fruit, then the ratio of apples to lemons is ten to six (10:6). We can also say that the ratio of apples to the total amount of fruit is 10:16.

Ratios making us easier to understand the case by allow us to measure and express quantities.

Case:

- Alex's Salad contains oil and pasta.

- The ratio of ounces oil to cups of pasta is 3:5

How many ounces of oil will alex need to make 64 cups of pasta?

Oil = \(\frac{3}{5}\) x 64 = 38,4

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The value of the variable x is 8

To determine the value, we have to take note that the sum of the angles in polygon is determined with the formula

(n -2 )180

Such that the variable, 'n' is the number of sides of the polygon

From the information given, we have that;

n = 4

Substitute the values

(4-2) 180 = 360

Now, equate the measures to the angle, we have;

9x + 5 + 14x + 3 + 15x -11 + 7x + 3 = 360

collect the like terms

9x + 14x + 15x + 7x = 360

Add the like terms

45x = 360

Make 'x' the subject of formula

x = 8

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Answer:

C. Mara wished she could visit the stars: she often dreamed of it.

Answer:

angleCFE=21 because inscribed angle is half the central angle standing on same same arc.