PLEASE PLEASE HELP i will give brainliest to whoever answers first

Answer:

14

step by step explanation

-7×(-2)

14

Solution:

Given:

The area of sector is given by;

Therefore, the area of the smaller sector to the nearest hundredth is 75.40 centimeters square.

All the functions a to d have a period of 2π

From the question, we have the following parameters that can be used in our computation:

The functions

A sinusoidal function is represented as

f(x) = Asin(B(x + C)) + D

Where

Period = 2π/B

In the functions (a to d), we have

B = 1

So, we have

Period = 2π/1

Evaluate

Period = 2π

Hence, all the functions have a period of 2π

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Answer:

(13.6p + 6) minutes

Step-by-step explanation:

......

The value of the transformed function is h ( x ) = f ( x - 6 )² , where the value of c is -6

The transformation of a function may involve any change.

Usually, these can be shifted horizontally (by transforming inputs) or vertically (by transforming output), stretched (multiplying outputs or inputs), etc.

If the original function is y = f(x), assuming the horizontal axis is the input axis and the vertical is for outputs, then:

Horizontal shift (also called phase shift):

Left shift by c units: y=f(x+c) (same output, but c units earlier)

Right shift by c units: y=f(x-c)(same output, but c units late)

Vertical shift:

Up by d units: y = f(x) + d

Down by d units: y = f(x) - d

Stretching:

Vertical stretch by a factor k: y = k × f(x)

Horizontal stretch by a factor k: y = f(x/k)

Given data ,

Let the parent function be represented as f ( x )

Now , the value of f ( x ) = x²

And , when the function is shifted horizontally by a factor of -6 , we get

Horizontal shift (also called phase shift):

Left shift by c units: y=f(x+c)

Substituting the values in the equation , we get

h ( x ) = f ( x + c )

when c = -6

h ( x ) = f ( x - 6 )²

Hence , the transformed function is h ( x ) = f ( x - 6 )²

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Answer:

$210

Step-by-step explanation:

150(0.4)= 60

60+150=210

$210

Last option: The height and weight distributions, respectively, show positive and negative skews.

We know that,

Graphs are used to represent information in bar charts. To depict values, it makes use of bars that reach various heights. Vertical bars, horizontal bars, clustered bars (multiple bars that compare values within a category), and stacked bars are all possible options for bar charts.

we have,

There isn't a lot of data, but it shows that the weights have a negative skew and the heights have a positive skew, with the long tails pointing in opposite directions.

change/ starting point * 100

2.5 millions of books were sold in 1991.

Millions of books sold in 1992 equaled 3.4.

Change = 0.9 (in millions).

0.9/2.5 * 100

= 36%

The height and weight distributions, respectively, show positive and negative skews.

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Answer:

The first option

Step-by-step explanation:

Hope this helps! :)

Answer:

a !

Step-by-step explanation:

if you take the original points, (2, 3), and apply the rule, add 5 to 2 and add -4 to 3 you, get the first option! i hope this helps!

Answer:

A = 4m*9m = 36m^2

Step-by-step explanation:

After a quick online search, I've found that the image of the parallelogram is the one that can be seen below.

In the image we can see a parallelogram with sides:

S1 =  9m (the base)

S2 = 5m

And an altitude H = 4m

For a parallelogram, the area is given by the base times the altitude

In this case, we know that the base is b = 9m, and the altitude is H = 4m

Then the area of the parallelogram show is:

A = 4m*9m = 36m^2

Answer:d

Step-by-step explanation:

The answer is d. None of the above is true.

To calculate velocity, we need to use the equation:

Velocity = M * P / Y

Given:

M = 1,000

P = 2.25

Y = 2,000

Plugging in the values:

Velocity = 1,000 * 2.25 / 2,000

Simplifying:

Velocity = 2.25 / 2

The result is:

Velocity = 1.125

Therefore, the correct answer is: d. None of the above is true.

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The values a, b, and c in the quadratic equation \(-6x^2 = -9x + 7\) are:

a = -6, b = -9, c = 7.

To identify the values a, b, and c in a quadratic equation, we need to understand the standard form of a quadratic equation: \(ax^2 + bx + c = 0\). In this case, we have\(-6x^2 = -9x + 7\). By rearranging the equation to match the standard form, we get \(-6x^2 + 9x - 7 = 0\). Comparing the coefficients of \(x^2\), x, and the constant term, we can determine the values of a, b, and c.

In this equation, the coefficient of \(x^2\) is -6, which corresponds to the value of a. The coefficient of x is -9, representing the value of b. Lastly, the constant term is 7, indicating the value of c. Therefore, the values a, b, and c in the quadratic equation are a = -6, b = -9, and c = 7.

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Answer:

C

Step-by-step explanation:

took the test :)

The order of a in (z/(pq))× is exactly (p-1)(q-1), as desired.

To prove that (z/(pq))× has order (p − 1)(q − 1), we need to show that the least positive integer n such that (z/(pq))×n = 1 is (p − 1)(q − 1).

First, let's define (z/(pq))× as the set of all integers a such that gcd(a,pq) = 1 (i.e., a is relatively prime to pq) and a mod pq is also relatively prime to pq.

Now, we know that the order of an element a in a group is the smallest positive integer n such that a^n = 1. Therefore, we need to find the order of an arbitrary element a in (z/(pq))×.

Let's assume that a is an arbitrary element in (z/(pq))×. Since gcd(a,pq) = 1, we know that a has a multiplicative inverse modulo pq, denoted by a^-1. Therefore, we can write:

a * a^-1 ≡ 1 (mod pq)

Now, let's consider the order of a. Since gcd(a,pq) = 1, we know that a^(p-1) is congruent to 1 modulo p by Fermat's Little Theorem. Similarly, we can show that a^(q-1) is congruent to 1 modulo q. Therefore, we have:

a^(p-1) ≡ 1 (mod p)
a^(q-1) ≡ 1 (mod q)

Now, we can use the Chinese Remainder Theorem to combine these congruences and get:

a^(p-1)(q-1) ≡ 1 (mod pq)

Therefore, we know that the order of a must divide (p-1)(q-1).

To show that the order of a is exactly (p-1)(q-1), we need to show that a^k is not congruent to 1 modulo pq for any positive integer k such that 1 ≤ k < (p-1)(q-1).

Assume for contradiction that there exists such a k. Then, we have:

a^k ≡ 1 (mod pq)

This means that a^k is a multiple of pq, which implies that gcd(a^k, pq) ≥ pq. However, since gcd(a,pq) = 1, we know that gcd(a^k, pq) = gcd(a,pq)^k = 1. This is a contradiction, and therefore our assumption must be false.

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The order of a in (z/(pq))× is exactly (p-1)(q-1), as desired.

To prove that (z/(pq))× has order (p − 1)(q − 1), we need to show that the least positive integer n such that (z/(pq))×n = 1 is (p − 1)(q − 1).

First, let's define (z/(pq))× as the set of all integers a such that gcd(a,pq) = 1 (i.e., a is relatively prime to pq) and a mod pq is also relatively prime to pq.

Now, we know that the order of an element a in a group is the smallest positive integer n such that a^n = 1. Therefore, we need to find the order of an arbitrary element a in (z/(pq))×.

Let's assume that a is an arbitrary element in (z/(pq))×. Since gcd(a,pq) = 1, we know that a has a multiplicative inverse modulo pq, denoted by a^-1. Therefore, we can write:

a * a^-1 ≡ 1 (mod pq)

Now, let's consider the order of a. Since gcd(a,pq) = 1, we know that a^(p-1) is congruent to 1 modulo p by Fermat's Little Theorem. Similarly, we can show that a^(q-1) is congruent to 1 modulo q. Therefore, we have:

a^(p-1) ≡ 1 (mod p)
a^(q-1) ≡ 1 (mod q)

Now, we can use the Chinese Remainder Theorem to combine these congruences and get:

a^(p-1)(q-1) ≡ 1 (mod pq)

Therefore, we know that the order of a must divide (p-1)(q-1).

To show that the order of a is exactly (p-1)(q-1), we need to show that a^k is not congruent to 1 modulo pq for any positive integer k such that 1 ≤ k < (p-1)(q-1).

Assume for contradiction that there exists such a k. Then, we have:

a^k ≡ 1 (mod pq)

This means that a^k is a multiple of pq, which implies that gcd(a^k, pq) ≥ pq. However, since gcd(a,pq) = 1, we know that gcd(a^k, pq) = gcd(a,pq)^k = 1. This is a contradiction, and therefore our assumption must be false.

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There are n different values that the remainder r can take on when \(n^2\) is divided by n 4.

We can use the Remainder Theorem to solve this problem. The Remainder Theorem states that when a polynomial f(x) is divided by (x-a), the remainder is f(a).

Using this theorem, we can see that \(n^2\) divided by n 4 leaves a remainder of \(n^2 - kn 4\), where k is some integer. We want to find how many different values r can take on, which is the same as finding how many different values \($n^2 - kn 4$\) can take on.

Let's rewrite \(n^2 - kn 4 as n(n - k 4)\). This expression tells us that n and n - k 4 have the same remainder when divided by n 4. Therefore, n - k 4 can only take on n different values, namely \(0, n, 2n, \ldots, (n-1)n.\)

For each of these n values, we can find a corresponding value of k that satisfies\($n^2 - kn 4 \equiv r \pmod{n 4}$\), namely \(k = (n^2 - r)/(n 4).\) Therefore, there are exactly n different values that r can take on.

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Answer:

No solution

Step-by-step explanation:

1) 3(x+3y=6)

  3x+9y=72

2) 3x+9y=18

   3x+9y=72

3) 3x+9y=18

 -

   3x+9y=72

____________

       -54

Reduce the expression, if possible, by cancelling the common factors.

−3 is your answer!

have a nice day! please mark brainliest :)

.

Answer:

17.2a+14.6

Step-by-step explanation:

Answer:

1.it is the last one

2. the first one

3.the secound one

Step-by-step explanation:

TRUE. We can observe n coin flips, record each heads as 1, and each tails as 0. Then, sum up all of our 1s and 0s, divide by n (in other words, we calculate the sample mean), and we have just calculated the sample proportion p-hat. This is a method used to find the probability of an event.

The sample proportion is known as p-hat. The proportion of successes in the sample is denoted by the p-hat symbol. The sample proportion is a statistic that estimates the actual proportion of the population. The proportion of successes in a sample is referred to as the sample proportion.

When sample proportion represents a percentage, it is indicated as a percentage (x%). So, sample proportion p-hat is a statistical term that provides us with an estimate of the actual proportion of the population from the sample proportion.

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Answer:A. x squared over 5 plus y squared over 30 equals 1

Step-by-step explanation:

Answer:

i thought it was A as well!!!

Step-by-step explanation:

The relationship between the standard deviation and variance is that the standard deviation is the square root of the variance.

The correct option is -C

Hence, the correct option is (c) Standard deviation is the square root of the variance. Variance is the arithmetic mean of the squared differences from the mean of a set of data. It is a statistical measure that measures the spread of a dataset. The squared difference from the mean value is used to determine the variance of the given data set.

It is represented by the symbol 'σ²'. Standard deviation is the square root of the variance. It is used to calculate how far the data points are from the mean value. It is used to measure the dispersion of a dataset. The symbol 'σ' represents the standard deviation. The formula for standard deviation is:σ = √(Σ(X-M)²/N) Where X is the data point, M is the mean value, and N is the number of data points.

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Answer:

-24xy

Step-by-step explanation:

First:

6x-4= -24

Second Add the variable:

-24xy

Third: Solution

-24xy

To compute f(2), we simply substitute x = 2 into the function f(x) = 11.

f(2) = 11

To compute f'(2), we need to find the derivative of the function f(x) = 11 and then evaluate it at x = 2.

Since the function f(x) = 11 is a constant function, its derivative is zero.

f'(x) = 0

Therefore, f'(2) = 0.

The value of f(2) is 11, which is obtained by substituting x = 2 into the function. The derivative of f(x) is f'(x) = 0, indicating that the function is constant and has a slope of zero at every point, including x = 2. Thus, the value of f'(2) is also 0.

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We are required to determine the conditional odds ratios between race and whether a murder victim, given gender, and interpret the data provided. Here, we are given data on murder rates in the United States, based on which we can calculate the conditional odds ratios. The probability of being a murder victim can be represented by P(MV), and the probability of not being a murder victim can be represented by P(NMV). Also, the probabilities of being a nonwhite or white male or female can be represented by P(NW M), P(W M), P(NW F), and P(W F) respectively.

The conditional odds ratios for murder victims, given gender, and race can be calculated as follows:Conditional odds ratio for nonwhite males:
Odds of being a murder victim for nonwhite males: P(MV | NW M) / P(NMV | NW M)P(MV | NW M) = 0.0263 and
P(NMV | NW M) = 1 - P(MV | NW M) = 0.9737
Therefore, odds of being a murder victim for nonwhite males = P(MV | NW M) / P(NMV | NW M) = 0.0263 / 0.9737 = 0.02705
Odds of being a murder victim for white males: P(MV | W M) / P(NMV | W M)P(MV | W M) = 0.0049 and P(NMV | W M) = 1 - P(MV | W M) = 0.9951
Therefore, odds of being a murder victim for white males = P(MV | W M) / P(NMV | W M) = 0.0049 / 0.9951 = 0.00491
Conditional odds ratio for nonwhite females: Odds of being a murder victim for nonwhite females:
P(MV | NW F) / P(NMV | NW F)P(MV | NW F) = 0.0072 and P(NMV | NW F) = 1 - P(MV | NW F) = 0.9928
Therefore, odds of being a murder victim for nonwhite females = P(MV | NW F) / P(NMV | NW F) = 0.0072 / 0.9928 = 0.00726
Odds of being a murder victim for white females: P(MV | W F) / P(NMV | W F)P(MV | W F) = 0.0023 and P(NMV | W F) = 1 - P(MV | W F) = 0.9977
Therefore, odds of being a murder victim for white females = P(MV | W F) / P(NMV | W F) = 0.0023 / 0.9977 = 0.00231
The odds ratios for males versus females, given race and murder victim status, can be represented as follows: Conditional odds ratio for nonwhite victims: Odds ratio for nonwhite males versus nonwhite females:
0.02705 / 0.00726 = 3.726
Odds ratio for white males versus white females: 0.00491 / 0.00231 = 2.124
Odds ratio for nonwhite males versus nonwhite females: 0.0263 / 0.0072 = 3.653

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Answer:

Step-by-step explanation:

Answer:

60 people

Step-by-step explanation:

Of means to multiply

3/8 * 160

Rewriting

3 * 160/8

3 * 20

60

Answer:

60 students gave their speeches

Step-by-step explanation:

divide 160 by 8 you get 20. Then you multiply the 20 by 3 because 20 is only 1/8 of the 160 students, and you get 60.

Answer:

Step-by-step explanation:

I think that<,> help show the relationship because you are comparing the 2 numbers by stating which is bigger than or smaller than the other.

HOPE IT HELPED

the answer is >,< because it is saying which number is bigger and which is snaller

Polynomials are algebraic expressions consisting of terms that include real numbers, variables, and positive integer exponents. Each term in a polynomial has a variable raised to a non-negative integer power, and the coefficient of each term is a real number. Polynomials are classified by the degree of their highest power. If two or more terms in a polynomial have the same variable raised to the same power, they can be combined into a single term.

1. -x² + x - x² + 1

Combine like terms: -x² + x - x² + 1 = -2x² + x + 1

This polynomial has degree 2 because the highest power of the variable is 2.

2. x² + x + 2x³ - x

Rearrange terms: 2x³ + x² + x - x = 2x³ + x²

This polynomial has degree 3 because the highest power of the variable is 3.

3. 4x + x + x - 2

Combine like terms: 4x + x + x - 2 = 6x - 2

This polynomial has degree 1 because the highest power of the variable is 1.

4. 3x² + 4 - 3x² - 1

Combine like terms: 3x² - 3x² + 4 - 1 = 3

This polynomial has degree 0 because there is no variable term.

Therefore, the four given polynomials have degrees 2, 3, 1, and 0, respectively.

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