PLSS HELPPPPPPP IMMA FAIL

Answer: The answer might be 2x^10-91. (I'm not sure tho)

Step-by-step explanation:

I tried to search and tried doing it part by part this is what I got! I'm really sorry if it is wrong I don't know maths much:(

Answer:

m∠D = 109

Step-by-step explanation:

This is a parallelogram.

In parallelograms, the opposite interior angles are congruent, so we can write the following equation to find, first value x the measure of m∠D:

9x - 44 = 6x + 7

9x - 6x = 7 + 44

3x = 51

x = 17

Now we can calculate measure of m∠D:

m∠D = 9x - 44

9×17 + 44 = 109

Answer:  6

Step-by-step explanation:

"The sum of twice a number, n, and four is at most sixteen"

   2n + 4 ≤ 16

   2n  ≤ 12

    2n  ≤ 12

    n ≤ 6

Answer:

The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: . ... If coordinates of any two points of a line are given, then the rate of change is the ratio of the change in the y-coordinates to the change in the x-coordinates.

Step-by-step explanation:

Answer:

Answer in explanation

Step-by-step explanation:

Probability of Magic elf =

\(p(elf) \times p(magic) \\ = \frac{1}{3} \times \frac{1}{5} \\ = \frac{1}{15} or \: 0.66667\)

Answer:

6.66%

Step-by-step explanation:

There is a 1/3 chance of getting the character you want and 1/5 chance of getting the weapon you want. So the probability is 1/3*1/5=1/15 or 6.66%.

The speed of the wave is approximately 2.06 m/s. The value of period of the wave is approximately 0.87 s. The wavelength of the wave is approximately 1.80 m.

The general equation for a wave is given by:

y(x,t) = A cos(kx - ωt)

where A is the amplitude, k is the wave number, ω is the angular frequency, and T is the period of the wave.

Comparing this to the given equation, we can see that:

Amplitude A = 4.00 mm

Wave number k = 3.5 m^-1

Angular frequency ω = 7.22 s^-1

The speed of the wave can be calculated using the formula:

v = ω/k

Substituting the given values, we get:

v = 7.22 s^-1 / 3.5 m^-1 ≈ 2.06 m/s

Therefore, the speed is approximately 2.06 m/s.

The period of the wave is given by the formula:

T = 2π/ω

Substituting the given value of angular frequency, we get:

T = 2π / 7.22 s^-1 ≈ 0.87 s

Therefore,  period of wave is approximately 0.87 s.

The wavelength of the wave is given by the formula:

λ = 2π/k

Substituting the given value of wave number, we get:

λ = 2π / 3.5 m^-1 ≈ 1.80 m

Therefore, the wavelength is approximately 1.80 m.

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____The given question is incomplete, the compte question is given below:

The vertical displacement y(x,t) of a horizontal string aligned along the x-axis is given by the equation y(x,t)=(4.00 mm)cos[(3.5 m−1)x−(7.22 s−1)t]. Find a) speed b) Period of wave c) displacement of wave.

Answer:

The answer is 1/8

Step-by-step explanation:

Jamie swims 1/8 of the pools length per minute

Answer:

slope = 25

Step-by-step explanation:

Using The slope intercept formula y = mx + b whereas m is the slope and b is the y-intercept

so y = 25x + 15

=> m = 25

Answer:

there's the answer hope this helps

Answer:

5

Step-by-step explanation:

p=(8)-3

p=5

Answer:

p=8-3

p=5

Step-by-step explanation:

Answer:

Quadratic.

Step-by-step explanation:

Both linear and exponential equations are monotone increasing or monotone decreasing functions.

This means that, as the input increases, the output will only increase or only decrease, but never both.

Here for our data, we can see that first we have:

x = -8

y = 13

Then x increases to x = -6, and y decreases to y = 9

Then x increases to x = -4 and y increases to y = 13

Then this function is not monotone increasing nor monotone decreasing, so the data can not describe a linear nor an exponential function.

Then the correct option is quadratic.

Answer:

B it seems like it's the most suitable answer

Answer:

50,58

Step-by-step explanation:

m = 90-40

   = 50

n = 90-32

  = 58

The statistic that would inform a researcher of how consistent scores are in a distribution is the standard deviation. Therefore, the correct option is E.

The standard deviation is a measure of the data spread around the mean and indicates how much the scores deviate from the average. A smaller standard deviation indicates that scores are tightly clustered around the mean, while a larger standard deviation indicates that scores are more spread out and less consistent.

The other options, including the relative frequency of the lower score (a), relative frequency (b), frequencies (c), and population mean (d), do not provide information about the consistency of scores in a distribution. Hence, the correct answer is option E.

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The error in the solution is that, In step 2, the Distributive Property was applied incorrectly.

Equations are mathematical expressions consisting of two or more variables and constants on two sides connected by an equal to sign.

Solution of the equation is the value of the variable that the equation holds true.

Given equation is,

8 - \(\frac{a}{2}\) = 3 (4 - 5a)

Using the multiplication property of equality, multiplying whole equation by 2,

(2 × 8) - a = 6 (4 - 5a)

16 - a = 6 (4 - 5a)

Distributive property states that, for three numbers or expressions, a, b and c,

a (b + c) = ab + ac

Applying that,

6 (4 - 5a) = (6 × 4) - (6 × 5a) = 24 - 30a

But the student didn't multiply 6 with 5a, and thus he got 24 - 5a in step 2.

Hence the incorrect step is step 2 because of incorrect use of distributive property.

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Your question is a bit confusing. The complete question with an image is given below.

A student provided the steps for solving an equation. Which statement describes the error in the solution?

Equation : 8 - \(\frac{a}{2}\) = 3 (4 - 5a)

There will be a total of 1620 four digit numbers having an even second digit and a fourth digit that is atleast twice of the second digit.

Possible second digits allowed = 0,2,4

digits 6 and 8 are also even but cant be included as their twice yeild double digits.

For each of the allowed digits, the possible fourth digit ranges from 0-9(if second digit is zero), 4-9(if second digit is considered as 2) and 8-9(if second digit is 4). Hence the total number of fourth digits allowed            = 10+6+2=18.

The first digit can be any non zero number whereas the third digit can be from 0-9.

Hence the total number of four digits allowed: 9×10×18 = 1620.

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Matrix-vector multiplication is a linear operation because it satisfies the properties of scalar multiplication and vector addition, which are a(u+v) = au + av and a(cu) = cau, where a is a scalar and u and v are vectors.

Matrix-vector multiplication is a fundamental operation in linear algebra, where a matrix is multiplied by a vector to produce another vector. This operation is considered linear because it adheres to certain properties.

The first property is scalar multiplication, which states that multiplying a vector u by a scalar a and adding it to another vector v (a(u+v)) is equivalent to multiplying u by a (au) and v by a (av) separately and then adding the results (au + av). In other words, the operation distributes over vector addition.

The second property is the distributive property of scalar multiplication, which states that multiplying a vector u by a scalar c and then multiplying the resulting vector (cu) by another scalar a is equivalent to multiplying u by the product of the two scalars (cau). This property allows the scalar multiplication to be distributed over scalar multiplication.

These properties ensure that matrix-vector multiplication preserves the linearity of the underlying vector space. They enable the manipulation and analysis of systems of linear equations, transformations, and other mathematical operations involving matrices and vectors.

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Answer: Option A) A 1-unit increase in the independent variable, number of lanterns, means a 5-unit increase in the dependent variable, total price.

The correct statement that describes the relationship between the number of lanterns purchased and the total price is Option A

A 5-unit increase in the independent variable, number of lanterns, means a 1-unit increase in the dependent variable, total price.

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This is because the graph shows a slope of 5/1, meaning that for every 5 lanterns purchased, the total price increases by 1 unit.

When the second derivative of a function equals zero, it indicates a possible point of inflection or a critical point where the concavity of the function changes. It is a significant point in the analysis of the function's behavior.

The second derivative of a function measures the rate at which the slope of the function is changing. When the second derivative equals zero at a particular point, it suggests that the function's curvature may change at that point. This means that the function may transition from being concave upward to concave downward, or vice versa.

Mathematically, if the second derivative is zero at a specific point, it is an indication that the function has a possible point of inflection or a critical point. At this point, the function may exhibit a change in concavity or the slope of the tangent line.

Studying the second derivative helps in understanding the overall shape and behavior of a function. It provides insights into the concavity, inflection points, and critical points, which are crucial in calculus and optimization problems.

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When the second derivative of a function equals zero, it indicates a critical point in the function, which can be a maximum, minimum, or an inflection point.

The second derivative of a function measures the rate at which the slope of the function is changing. When the second derivative equals zero, it indicates a critical point in the function. A critical point is a point where the function may have a maximum, minimum, or an inflection point.

To determine the nature of the critical point, further analysis is required. One method is to use the first derivative test. The first derivative test involves examining the sign of the first derivative on either side of the critical point. If the first derivative changes from positive to negative, the critical point is a local maximum. If the first derivative changes from negative to positive, the critical point is a local minimum.

Another method is to use the second derivative test. The second derivative test involves evaluating the sign of the second derivative at the critical point. If the second derivative is positive, the critical point is a local minimum. If the second derivative is negative, the critical point is a local maximum. If the second derivative is zero or undefined, the test is inconclusive.

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Answer:

x ≈ 14.57

Step-by-step explanation:

using the sine ratio in the right triangle

sin59° = \(\frac{opposite}{hypotenuse}\) = \(\frac{x}{17}\) ( multiply both sides by 17 )

17 × sin59° = x , then

x ≈ 14.57 ( to 2 dec. places )

Answer:

5

Step-by-step explanation:

Answer:

a) 90

b) 100

Step-by-step explanation:

This is a probability problem. In order to solve it, we must multiply the number of possible numbers by eachother.

a) the first digit can be any number between 0 and 9. That's 10 options. The second digit must be different from the first one: that's 9 options. 10x9=90

b) the first digit can be any number between 0 and 9. That's 10 options. The second digit can also be any number between 0 and 9. That's also 10 options. 10x10=100

Answer:

\(\textsf{C.\quad$p=\dfrac{1}{4}$\;\;and\;\;$q=4$}\)

Step-by-step explanation:

The slope of a line shows the direction and steepness of the line.

It is the ratio of the rise to the run (the change in y divided by the change in x).

The slope of the left function is 4, as we can see that when the y-value increases by 4 units (the "rise"), the x-value increases by 1 unit (the "run").

The slope of the right function is 1, as we can see that when the y-value increases by 1 unit (the "rise"), the x-value increases by 1 unit (the "run").

Given the slope of the function on the left is multiplied by p to arrive at the slope of the function on the right:

\(\implies 4p=1\)

\(\implies \dfrac{4p}{4}=\dfrac{1}{4}\)

\(\implies p=\dfrac{1}{4}\)

The y-intercept is the point at which the line crosses the y-axis.

The left function crosses the y-axis at (0, -3), so its y-intercept is y = -3.

The right function crosses the y-axis at (0, 1), so its y-intercept is y = 1.

Given q is added to the y-intercept of the function on the left to arrive at the y-intercept of the function on the right:

\(\implies -3+q=1\)

\(\implies -3+q+3=1+3\)

\(\implies q=4\)

\(\textsf{$p=\dfrac{1}{4}$\;\;and\;\;$q=4$}\)

The equations of the functions are:

     \(\textsf{Left\;function:\quad $y=4x-3$}\)

     \(\textsf{Right\;function:\quad $y=x+1$}\)

Answer:

34.8 x 10 to the power of 0.

Step-by-step explanation:

hope this helps

Answer:

$162.50 per month for the next 4 years

Step-by-step explanation:

Here are the options to this question :

Save $270.83 per month for the next 4 years

Save $162.50 per month for the next 4 years

Save $650.00 per month for the next 4 years

Save $108.33 per month for the next 4 years

If Devon's parents would give him $5,200 for his first year of tuition, Devon needs to save a minimum of :

$13,000 - $5,200 = $7,800

If he saves per month for the next four months, he would save 48 times ( 12 months in a year multiplied by 4 years)

The minimum he should save per month = $7800 / 48 = $162.50

The function is continuous   in D where

\($D \mathcal{D}\left\{(x, y): x > -y^6\right\}$\)

Generally, A continuous and bounded function is a function that is continuous over a finite interval, and whose range of values are within finite bounds. For example, the function f(x)=x^2 is continuous and bounded over the interval [-2,2], since it is continuous over the whole interval and the range of values is between 0 and 4.

Given that

\($F(n y)=e^{x^2 y}+\sqrt{n+y^6}$where \\\\ $e^{x^2 y}$ is cortinous everywhereAnd. \\\\\$\sqrt{n+y^6}$ is continoas if $n+y^6 > $ ?\\\\\$\Rightarrow y^6 > -n$\\\\\)

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Answer:

(x + 87)/4

Step-by-step explanation:

"a quarter" = 0.25 by numerical value.

"the sum of a number (x) and 87" = x + 87

Combine the two terms:

"the sum of a number (x) and 87" + "a quarter of the sum..." = (x + 87) * 0.25 = (x + 87)/4

(x + 87)/4 is your answer.

~

Equation= y = 2.63x + 2.37, r = 0.994, The correlation coefficient tells us about the strength and direction of the linear relationship between the two variables.

Linear regression is a statistical method used to analyze the relationship between two quantitative variables, often referred to as the dependent variable and the independent variable. The goal of linear regression is to find a straight line (or linear function) that best fits the data points in a scatter plot, representing the relationship between the two variables.

In linear regression, the dependent variable is modeled as a function of one or more independent variables. The equation for a simple linear regression model is typically written as:

y = β0 + β1x + ε

where y is the dependent variable, x is the independent variable, β0 and β1 are the intercept and slope coefficients, respectively, and ε is the error term, representing the variability in the data that cannot be explained by the model.

Using a calculator to perform linear regression on the given data, we obtain the equation:

y = 2.63x + 2.37

The correlation coefficient for this data is:

r = 0.994

The correlation coefficient tells us about the strength and direction of the linear relationship between the two variables. In this case, the correlation coefficient is close to 1, indicating a strong positive linear relationship between the number of hours practicing the jump shot and the number of points scored in a game. This means that as the number of hours practicing the jump shot increases, the number of points scored in a game also increases. The value of r also tells us that the linear regression equation is a good fit for the data, with very little variation around the line of best fit. Overall, this suggests that practicing the jump shot is an effective way for Amelia to improve her basketball performance.

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Answer:

x=12

Step-by-step explanation:

the (8x-17)° and (5x+19)° angles are corresponding angles

since lines are parallel and cut by a transversal, this means that these angles are congruent

to find x:

8x-17=5x+19

3x-17=19

3x=36

x=12