Can someone tell me if idid this right i’m confused.

Answer:

The most common trigonometric identities are those involving the Pythagorean Theorem...

Step-by-step explanation:

The Pythagorean trigonometric identity, also called the fundamental Pythagorean trigonometric identity or simply Pythagorean identity is an identity expressing the Pythagorean theorem in terms of trigonometric functions..

Answer:

1!!!

Step-by-step explanation:

Answer:

is that your shopping list

Step-by-step explanation:

...

...

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Step-by-step explanation:

for the perimeter you have to say two brackets live plus height plus with plastic

The overall sample for the survey consists of 50 freshmen, 40 sophomores, 35 juniors, and 30 seniors, totaling 155 students.

To create an overall sample for the survey, the administrators selected a certain number of students from each class level. They randomly sampled 50 freshmen, 40 sophomores, 35 juniors, and 30 seniors. By combining these individual samples from each class, the administrators obtained an overall sample size of 50 + 40 + 35 + 30 = 155 students. This overall sample represents a portion of the student population from each class level and allows for a representation of students from different academic years in the survey.

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The strategies that would eliminate a variable to help solve the system of equations are

B. Multiply the first equation by -2 and add it to the second equation

C. Multiply the first equation by 1/3 and add it to the second equation

D. Multiply the second equation by 3 and add it to the first equation

From the question we are to determine the strategies that would eliminate a variable to help solve the system of equations.

The given system of equations is

12x + 5y = 7

-4x + 10y = -7

To eliminate y,

Multiply the first equation by -2 and add it to the second equation

-2 × [12x + 5y = 7]

-24x - 10y = -14

Now add to the second equation

 -24x - 10y = -14

+ (-4x + 10y = -7

-----------------------------

-28x = -21

To eliminate x

Multiply the first equation by 1/3 and add it to the second equation

1/3 × [12x + 5y = 7

4x + 5/3y = 7/3

Now, add it to the second equation

   4x + 5/3y = 7/3

+ (-4x + 10y = -7

------------------------------

5/3y + 10y = 7/3 + (-7)

Also, to eliminate x

Multiply the second equation by 3 and add it to the first equation

3 × [-4x + 10y = -7

-12x + 30y = -21

Now, add to the first equation

  -12x + 30y = -21

+ (12x + 5y = 7

----------------------------

35y = -14

Hence, the required strategies are the ones explained above.

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Step-by-step explanation:

a:

g(10) = -3(10)+1

g(10) = -29

b:

g(x) = 16

-3x + 1 = 16

-3x = 15

x = -5

CHECK:

g(-5) = -3(-5) + 1

g(-5) = 15 + 1

g(-5) = 16

Hope that helps

The divisibility by a prime theorem states that every integer greater than 1 is either itself a prime number or can be expressed as a product of prime numbers.

In other words, every integer greater than 1 can be factored into a unique product of primes. This is a fundamental result in number theory, and is often used to prove other theorems and results.

The proof of this theorem relies on the fact that any integer greater than 1 can be factored into a product of prime factors. We can then use mathematical induction to show that any integer greater than 1 can be expressed as a product of primes.

The base case is that 2 is a prime number, and the induction step relies on the assumption that any integer less than n can be expressed as a product of primes.

This theorem has many important applications, such as in determining the prime factorization of an integer, finding the greatest common divisor of two integers, and solving Diophantine equations. It is also used in cryptography, where it is essential to factor large numbers into their prime factors in order to break certain encryption algorithms.

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Respuesta:

Modo = 2, 3, 4

Mediana = 3

Media = 3

Explicación paso a paso:

Dados los datos:

3,4,5,2,1,4,5,3,2,1,0,2,3,4,6

Datos pedidos: 0, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6

La media = ΣX / n = 45/15 = 3

Donde n = tamaño de la muestra = 15

Mediana = 1/2 * (n + 1) th término

Mediana = 1/2 (16) término

Mediana = octavo término

Mediana = 3

Modo = 2, 3, 4 (el más alto ocurre con una frecuencia de 3 cada uno)

Answer:

Hi there!

Your answer is:

p(1.75) = 5.875

Step-by-step explanation:

p(1.75) means to plug in 1.75 for x

p(1.75)= 2(1.75)^2 + 5(1.75) - 9

6.125 + 8.75 - 9

SIMPLIFY

5.875

Hope this helps!

Answer:3(6+x)(6-x)

Step-by-step explanation:

Used a math app

Answer:

2^8

Step-by-step explanation:

60 ounces of herbs costing $1 per ounce should be mixed with these 40 oz of herbs to produce a mixture costing $2. 20 per ounce

Let x be the amount of herb that costs $1.00/oz and y be the total amount of the mixture that costs $2.20/oz.

The total weight of the mixture is:

= y=x+40

The total cost of the mixture is:

4(40) + 1x = 2.20y

160 + x = 2.20 (x + 40) .......Substitute y using the expression from the first equation

160 + x = 2.20x + 88 .........Subtract 160 and x from both sides

1.20x = 72 .........Divide both sides by 1.20

x = 60

The herbalist must mix 60 oz of the herb that costs $1.00/oz to the mixture, therefore we can say that:

60 ounces of herbs costing $1 per ounce should be mixed with these 40 oz of herbs to produce a mixture costing $2. 20 per ounce

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Lilly is travelling at a faster speed.

Speed is the unit rate in terms of distance travelled by an object and the time taken to travel the distance.

Speed is a scalar quantity as it only has magnitude and no direction.

Given that,

Distance travelled by Spencer = 4/5 mile

Time taken to travel the distance = 1 1/3 minutes = 4/3 minutes

Speed = Distance / Time = (4/5) / (4/3) = 3/5 = 0.60 mile per minute

Distance travelled by Lilly = 3/4 mile

Time taken to travel the distance = 1 1/8 minute = 9/8 minutes

Speed = (3/4) / (9/8) = 2/3 = 0.67 mile per minute

Hence Lilly is travelling at a greater speed of  0.67 mile per minute.

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Answer:

The answer is c

Step-by-step explanation:

Source: Trust me bro

For function f:(a,b) → R (continuous), and c ∈ (a,b), then

(i) If derivative is negative before c and positive after c, then f has an absolute minimum at c.

(ii) If derivative is positive before c and negative after c, then f has an absolute maximum at c.

Part (i) : If derivative of a function f(x) is negative for values of x between a and c, and positive for values of x between c and b, then the function has an absolute minimum at c.

This means that at point c, function reaches its lowest-value compared to all other points in the interval (a, b). The negative derivative before c indicates a decreasing trend, while the positive derivative after c indicates an increasing trend.

The change from decreasing to increasing at c suggests a minimum point. By the continuity of the function, we can conclude that the minimum value is achieved at c.

Part (ii) : Conversely, if  derivative of a function f(x) is positive for values of x between a and c, and negative for values of x between c and b, then the function has an absolute maximum at c.

This means that at point c, the function reaches its highest-value compared to all other points in the interval (a, b). The positive derivative before c indicates an increasing trend, while the negative derivative after c indicates a decreasing trend.

The change from increasing to decreasing at c suggests a maximum point. By the continuity of the function, we can conclude that the maximum value is achieved at c.

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Prove the theorems below: Let f:(a,b) → R be continuous. Let c ∈ (a,b) and suppose f is differentiable on (a, c) and (c, b).

(i) if f'(x) < 0 for x ∈ (a, c) and f'(x) > 0 for x ∈ (c, b), then f has an absolute minimum at c.

(ii) if f'(x) > 0 for x € (a, c) and f'(x) < 0 for x ∈ (c, b), then f has an absolute maximum at c.

Answer:

(-4, 40)  y = -9x + 4

(8, 50)   y =  6x + 2

(9, -36)  y = -3x  - 9

(5, 38)   y =  8x -  2

Do you want an explanation?

#1

Put (-4,40)

Verified

#2

put (9,-36)

Verified

#3

Put (5,38)

Verified

#4

Put (8,50)

Hence verifiedl

Answer:

2:5

Step-by-step explanation:

divide / simplify the ratio

Answer:

2:5     8:20

Because 2:5 is equivalent to 4:10 and so it 8:20

The required Matlab code to find the greatest common divisor of a number using the Euclidean algorithm is shown.

To find the greatest common divisor (GCD) of two numbers using the Euclidean algorithm in MATLAB, you can use the following code:

% Replace '12345678' with your actual student number

studentNumber = '12345678';

% Extract the first 4 digits as the first number

firstNumber = str2double(studentNumber(1:4));

% Extract the last 3 digits as the second number

secondNumber = str2double(studentNumber(end-2:end));

% Find the GCD using the Euclidean algorithm

gcdValue = gcd(firstNumber, secondNumber);

% Display the result

disp(['The GCD of ' num2str(firstNumber) ' and ' num2str(secondNumber) ' is ' num2str(gcdValue) '.']);

Make sure to replace '12345678' with your actual student number. The code extracts the first 4 digits as the first number and the last 3 digits as the second number using string indexing. Then, the gcd function in MATLAB is used to calculate the GCD of the two numbers. Finally, the result is displayed using the disp function.

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Answer:

a) 2, 4, 3, 6, 5, 10, 9, 16, ...

Step-by-step explanation:

The average velocity of the stone over the time interval [1,3] is given by:Average velocity = distance/time = (-19.6 meters)/(2 seconds) = -9.8 meters/second.Therefore, the average velocity of the stone over the time interval [1,3] is -9.8 meters/second.

The average velocity of the stone over the time interval [1,3] when a stone is tossed in the air from the ground level with an initial velocity of 20 m/s can be computed as follows: Given,Height at time t seconds, h(t) = 20t - 4.9t^2 meters.We are to find the average velocity of the stone over the time interval [1,3].The velocity of the stone at time t seconds is given as:v(t) = h'(t)where h'(t) is the derivative of the height function h(t).The velocity of the stone at time t seconds, v(t) = h'(t) = 20 - 9.8t.We need to find the average velocity of the stone over the time interval [1,3].So, we need to find the distance travelled by the stone during this time interval.We can find the distance travelled by the stone during this time interval using the height function h(t) as follows:Distance travelled by the stone during the time interval [1,3] = h(3) - h(1)Using the height function h(t), h(3) = 20(3) - 4.9(3)^2 = -4.5 metersand h(1) = 20(1) - 4.9(1)^2 = 15.1 meters.Distance travelled by the stone during the time interval [1,3] = -4.5 - 15.1 = -19.6 meters.The average velocity of the stone over the time interval [1,3] is given as:Average velocity = distance/timeTaken together, the time interval [1,3] corresponds to a time interval of 3 - 1 = 2 seconds.

So, the average velocity of the stone over the time interval [1,3] is given by:Average velocity = distance/time = (-19.6 meters)/(2 seconds) = -9.8 meters/second. Therefore, the average velocity of the stone over the time interval [1,3] is -9.8 meters/second.

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Answer:

left is a very good approximately .9 POSITIVE correlation

right is a very good approximately -.9 NEGATIVE correlation

Step-by-step explanation:

Answer:

5x - 7 ( √ x + 13)

5x√x + 65x - 7√x -91

√3 (5x - 7) +13 (5x - 7)

(5x - 7) (√3 + 13)

5x(√3 + 13) -7

Answer:

\(\dfrac{3}{4}\ \text{and}\ \dfrac{-3}{4}\)

Step-by-step explanation:

Find two numbers whose quotient is -1 and the subtraction of the first minus the second is -3/2

Let two numbers are x and y. When they are divided the quotient is -1. So,

\(\dfrac{x}{y}=-1\)

It can also be written as :

x = -y ....(1)

The subtraction of first minus the second is -3/2 .

\(x-y=\dfrac{-3}{2}\ .....(2)\)

Use equation (1) in (2),

\(-y-y=\dfrac{-3}{2}\\\\-2y=\dfrac{-3}{2}\\\\y=\dfrac{3}{4}\)

From equation (1) : \(x=\dfrac{-3}{4}\)

Hence, two numbers are \(\dfrac{3}{4}\ \text{and}\ \dfrac{-3}{4}\).

Answer:

d :4h

Step-by-step explanation:

hope this helps (;

Answer:

To find the percent increase between the average low and high temperatures in July, we need to calculate the difference between the average high and low temperatures and then divide that difference by the average low temperature. Finally, we multiply the result by 100 to get the percentage increase.

The difference between the average high and low temperatures is:

90°F - 69°F = 21°F

To find the percentage increase, we need to divide the difference by the average low temperature and multiply by 100:

Percentage increase = (21°F / 69°F) × 100%

≈ 30.4%

Therefore, the percent of increase between the average low and high temperatures in July is approximately 30.4%, rounded to the tenths place.

Answer:

Two

Step-by-step explanation:

hope this helps tell me if I'm wrong though

Check the picture below.

1523° = 360° + 360° + 360° + 360° + 83°.

By answering the presented question, we may conclude that Therefore, function the completed table is as shown below. To complete the table, we need to substitute each value of t into the formula \(P(t) = 200t - 120t^2 + 0.5\) and calculate the corresponding value of P(t).

In mathematics, a function seems to be a link between two sets of numbers in which each member of the first set (known as the domain) corresponds to a specific member of the second set (called the range). In other words, a function takes input from one collection and creates output from another. The variable x has frequently been used to represent inputs, whereas the variable y has been used to represent outputs. A formula or a graph can be used to represent a function. For example, the formula y = 2x + 1 depicts a functional form in which each value of x generates a unique value of y.

To complete the table, we need to substitute each value of t into the formula \(P(t) = 200t - 120t^2 + 0.5\) and calculate the corresponding value of P(t).

Year t P(t)

2001 1 80.5

2002 2 162.5

2003 3 214.5

2004 4 236.5

2005 5 228.5

2006 6 190.5

Therefore, the completed table is as shown above.

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