hellpppppp please I will give brainliest​

hello

the answer to the question is:

x³ - 3x² + 3x - 1 > (3/2)x(x - 1)² ---->

(x - 1)³ > (3/2)x(x - 1)² ----> x - 1 > (3/2)x ---->

(1/2)x < - 1 ----> x < 2

Answer:

-32-p

Step-by-step explanation:

you combine the like terms which would be -21 and -11. that gives you -32 and -p is just by its self since there are no terms to combine it with

Answer:

It is not a function

Step-by-step explanation:

A function is a rule from x to y that applies to all elements of x. Every element of x should have one image only.

Here, element "1" has two images 3 and 7. Therefore it's not a function.

Answer:

Option A

Step-by-step explanation:

Let's find common difference

\(\\ \sf\longmapsto \dfrac{7}{12}-\dfrac{5}{12}\)

\(\\ \sf\longmapsto \dfrac{7-5}{12}\)

\(\\ \sf\longmapsto \dfrac{2}{12}\)

\(\\ \sf\longmapsto \dfrac{1}{6}\)

Hence verified

By considering these rules and properties of integers, the correct result of 6 was obtained.

When writing the response, I considered the following information:

The product or quotient of two integers with different signs is negative. This rule was used to determine that 2(-12) equals -24, not 24.

To subtract an integer, add its opposite. This rule was applied when subtracting -30 from -24, resulting in -24 - (-30) = -24 + 30.

To add integers with opposite signs, subtract the absolute values. The sum has the same sign as the integer with the greater absolute value.

This rule was used to calculate -24 + 30 = 6, where the absolute value of 30 is greater than the absolute value of -24.

By considering these rules and properties of integers, the correct result of 6 was obtained.

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Answer:

\(2x^{2} +13x-45\)

Step-by-step explanation:

By using FOIL method.

To find the value of x, we can set the two angle measures equal to each other and solve for x.

Given:

mZA = (4x - 2)°

mZB = (6x - 20)°

Setting them equal to each other:

4x - 2 = 6x - 20

Now, we can solve for x:

4x - 6x = -20 + 2

-2x = -18

Dividing both sides by -2:

x = -18 / -2

x = 9

Therefore, the value of x is 9.

Answer:

The answer is 9.

Step-by-step explanation:

We need to use the fact that the sum of the angles in a triangle is 180 degrees. Let A, B, and C be the three angles in the triangle. Then we have:

mZA + mZB + mZC = 180°

Substituting the given values, we get:

(4x - 2)° + (6x - 20)° + mZC = 180°

Simplifying the left side, we get:

10x - 22 + mZC = 180°

Next, we use the fact that angles opposite congruent sides of a triangle are congruent. Since we know that segment AC and segment BC are congruent, we have:

mZA = mZB

Substituting the given values and simplifying, we get

4x - 2 = 6x - 20

Solving for x, we get:

x = 9

Therefore, the value of x is 9.

The table can be summarized as follows:

|          | Has a dog | Does not have a dog |

|----------|-----------|---------------------|

| Has a cat     | 2         | 3                   |

| Does not have a cat | 12        | 10                  |

To find the probability that a student chosen randomly from the class has a cat, we need to find the total number of students who have a cat (regardless of whether or not they have a dog), and divide it by the total number of students in the class.

The number of students who have a cat is 2 (those who have a dog and a cat) + 3 (those who have a cat but do not have a dog) = 5.

The total number of students in the class is the sum of all four categories: 2 (has a cat and a dog) + 3 (has a cat, does not have a dog) + 12 (does not have a cat, has a dog) + 10 (does not have a cat, does not have a dog) = 27.

So, the probability that a student chosen randomly from the class has a cat is 5/27.

Answer:

The answer is d

Answer:

4x+1

Step-by-step explanation:

Since you're finding (f+g) (x), it means you are adding f(x) and g(x) together.

so you add: (3x-1) and (x+2)

combining like terms, you get 4x and 1, which means (f+g)(x)= 4x+1

Answer:

(f + g)(x) = 4x + 1

Step-by-step explanation:

(f + g)(x) - f(x) + g(x) = 3x - 1 + x + 2 = 4x + 1

The value of c is 1/17.

It is a branch of mathematics that deals with the occurrence of a random event.

Here it is given that the function f(x) can serve as a probability distribution of the discrete random variable X when f(x) = c(x² + 4), for x = 0, 1 ,2

We have to find the value of c

Since f(x) represents the probability distribution x = 0, 1 ,2

So we have f(0)+f(1)+f(2)=1

c(0²+4)+c(1²+4)+c(2²+4)=1

4c+5c+8c=1

17c=1

Divide both sides by 17

c=1/17

Hence, the value of c is 1/17.

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Determine the value c so that each of the following function can serve as a probability distribution of the discrete random variable X when f(x)=c(x2+4), for x=0, 1,2?

a.

1/3

b.

1/17

c.

1/2

d.

1/13

Answer:

(a+3)(5a+14)

Step-by-step explanation:

Factor the polynomial.

(a+3)(5a+14)

Answer:

Order of Operations.

Step-by-step explanation:

If we include -7 in the parenthesis, the exponent acts the negative as well. Therefore:

(-7)²= 49.

However, when squaring without the parenthesis, it will give us a negative number because:

The order of operations, or PEMDAS, states that exponents come before multiplication. Therefore, when doing '-7²', you would first need to square the '7', giving us:

-7² = -49

However, within parenthesis, everything inside will be squared.

The height of the largest photo is 16 inches.

Sydney's senior picture package includes several sizes of portraits. The smallest photo is a 1.5-inch wide and 2 inch tall rectangle.

The largest photo is 12 inches wide and is similar to the smallest photo.

Let's assume that the largest photo's height is h, then we can say the ratio of the largest photo to the smallest photo is given as:\[\frac{h}{2}=\frac{12}{1.5}\]

Simplify the ratio:\[\frac{h}{2}=8\]

Multiplying each side by 2:\[h = 16\]

Therefore, the height of the largest photo is 16 inches.

Hence, the answer is 16.

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Answer:

Recognize objects

Answer: 11.76

Step-by-step explanation:

The formula for cylinder is pi*r^2*h

so substitute and you will get pi*1.44*2.6

Simplify it and you will get 11.75616 or 11.76.

Answer:

11.8 yards

Step-by-step explanation:

Answer: Ans is 990. First such a number is 5×0 +2=2, then 5×1 +2=7, like that in all 20 numbers are there from 2 to 97 in A.P.with common difference of 5.

Step-by-step explanation:

A(0,8); B(16,16) and C(-4,16) are the vertices of triangle ABC with a scale factor of 4.

Given,

Coordinates of triangle ABC are A(0,2), B(4,4) and C(-1,4)

scale factor=4

if scale factor is 'k' then the coordinates (x,y) of any figure are scaled to (kx,ky).

Formula:

Dimension of scaled figure= Dimension of original figure * scale factor.

Let,

k=4

vertices of scaled triangle ABC be A(kx,ky), B(kx,ky) and C(kx,ky).

From formula,

\(A(kx,ky)= A(4*0,4*2) =A(0,8)\\ B(kx,ky)= B(4*4,4*4) =B(16,16)\\ C(kx,ky)= C(4*(-1),4*4) =C(-4,16)\)

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Answer:

D. Bank charges a large fee for bouncing a check is not an example of overdraft protection.

Step-by-step explanation:

Overdraft protection is a service offered by banks that allows you to link your checking account to another account, such as a savings account or a line of credit. If you overdraw your checking account, the bank will automatically transfer funds from the linked account to cover the shortfall, which helps you avoid overdraft fees and other penalties.

Option A is not an example of overdraft protection as it refers to earning interest on money in your savings account, which is a separate service.

Option B refers to additional fees collected by the bank when you bounce a check, which is a penalty for not having sufficient funds in your account to cover the check.

Option C refers to an ATM machine providing you with cash, which is a basic function of an ATM and is not related to overdraft protection.

Answer:

p = 32

Step-by-step explanation:

-5(p -30) = -10

-5p + 150 = -10

-150 -150

_______________

-5p=-160

p = 32

Answer: g(x)

Step-by-step explanation:

The graph represented by the degrees Fahrenheit outside is y = 2x - 3 where g ( x ) = 2x - 3

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

Slope m = 2

Given that it was -3 degrees Fahrenheit outdoors when Janelle woke up. The temperature increased by 2 degrees every hour as the morning went on. It implies,

Temperature at start: -3

Changes occur at a rate of 2 degrees each hour.

A line's slope intercept form is y = 2x - 3

Hence , the equation of line is y = 2x - 3 and the graph depicted is g ( x )

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The complete question is attached below :

When Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour. Which line on the graph could represent this scenario?

a(x)

f(x)

g(x)

h(x)

False. The second moment about mu for a binomial experiment is not given by the second derivative of \((p+qeAt)\)with respect to t evaluated at t=0.

The binomial distribution is a discrete probability distribution that describes the number of successes in a fixed number of independent trials, each with the same probability of success. The probability of success in each trial is denoted by p, and the probability of failure is denoted by q=1-p.

The second moment about mu is a measure of the variability of the binomial distribution, and is given by the formula\(E[(X-mu)^2]\) , where X is the random variable, mu is the mean, and E is the expected value operator.

To calculate the second moment about mu for a binomial distribution with parameters n and p, we can use the formula npq, where np is the mean and q=1-p. This formula can also be derived using the properties of variance, which state that \(Var(X)=E[X^2] - (E[X])^2.\)

Therefore, the statement that the second moment about mu for a binomial experiment is given by the second derivative of \((p+qeAt)\)with respect to t evaluated at t=0 is false. This statement does not relate to the binomial distribution or its properties, and is not a relevant formula for measuring the variability of a binomial experiment.

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Answer:

En español:

11/25 = 0.44

0.9702 porque multiplica por 2.205.

In English:

11/25 = 0.44

0.9702 because you multiply by 2.205.

This function is not one-to-one because different ages can have the same height.

This function f(t) is not one-to-one because different ages can have the same height. For example, two people at age 20 could have the same height, even though one is 20 years old and the other is not. Additionally, two people of different ages can have the same height, such as a 5 year old and a 25 year old with the same height. One-to-one functions require that for every input there is only one output, which is not the case for this function. This is because height is not necessarily determined solely by age, and can be influenced by genetics and other environmental factors. Therefore, for any given age, there could be multiple possible heights, and this function does not satisfy the definition of a one-to-one function.

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Answer:

See below

Step-by-step explanation:

Q7

Q8

Q9

Basic channels = $32.50, each premium channel = $4.95

a) Equation:

b) Table:

The graph is attached

There were approximately 6056 no votes.

Let's assume the number of yes votes is represented by the variable "5x," where x is a positive constant.

Similarly, the number of no votes can be represented by "8x" since the ratio of yes votes to no votes is 5 to 8.

The total number of votes is given as 9854, so we can set up the following equation:

\(5x + 8x = 9854\)

Combining like terms, we have:

\(13x = 9854\)

To solve for x, we divide both sides of the equation by 13:

\(x = \frac{9854 }{13}\)

\(x \approx 757.23\)

Since x represents a positive constant, we round it to the nearest whole number, giving us x = 757.

Now, we can find the number of no votes by multiplying x by the ratio of no votes:

No votes \(= 8x\)

\(= 8 \times 757\)

\(= 6056\)

Therefore, there were approximately 6056 no votes.

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The value k of the exponential growth rate will be 0.045.

Given that:

$228 in 1975

$472 in 1986

Let 'x' be the number of years and 'y' be the selling price. Then the equations are given as,

\(\rm 288 = P_o \times e^{k *1975} \ \ \ \ \ \ ...(1)\\\\\rm 472 = P_o \times e^{k *1986} \ \ \ \ \ \ ...(2)\)

From equations (1) and (2), then

\(e^{k(1986 - 1975)} = \dfrac{472}{288}\\\\e^{k(1986 - 1975)} = 1.63889\)

Take log on both sides, then

k x (11) = ln 1.63889

k = 0.494/11

k = 0.045

The value k of the exponential growth rate will be 0.045.

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(a) The inequality equations for the given shop are x + y ≤ 50 denotes the number of wakeboards and surfboards combined (no more than 50) and 150x + 100y ≥ 3000 denotes the earnings of the shop.

(b) The two possible combinations of wakeboard and surfboard are:

10 surfboards and 40 wakeboards i.e., 10 + 40 ≤ 50 and

30 surfboards and 20 wakeboards i.e., 30 + 20 ≤ 50

An inequality equation is the mathematical representation of two expressions comparatively related to each other. I.e., In the inequality equation, unlike the normal equation, the expressions are not always equal but they are either less or more.

It is given that,

The price for a surfboard is $150 and the price for a wakeboard is $100.

Consider the number of surfboards = x and the number of wakeboards = y.

The shop owner can make no more than 50 wakeboards and surfboards combined.

So, we can write this as

x + y ≤ 50....(1)

He wants to make at least $3000 a month. So, we can write this as

150x + 100y ≥ 3000....(2)

Thus, the two inequality equations form a system of inequalities.

When they graphed, we get the possible combinations of the number of surfboards and the number of wakeboards.

The graph for the obtained inequalities is shown in the figure below.

From the graph, we can choose any of the combinations that are in the intersection of both graphs of the system.

Here, take (10, 40) and (30, 20) coordinates that are considered from the intersecting area of both inequalities.

Here, the first inequality equation x + y ≤ 50 is considered for the first quadrant only I.e., 0 < x + y ≤ 50. This is because the number boards should always be positive values.

Therefore, the possible combinations of surfboards and wakeboards that he need to sell to make at least $3000 are

10 surfboards + 40 wakeboards

or

30 surfboards + 20 wakeboards

(There are some more combinations we can get from the graph).

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The answer is [ 2 2 1]

look at the attached picture

Hope it helps

Good luck on your assignment