I need help with #8. I need to use the quadratic formula. I have a calculator that is programmed for the quadratic formula so all I need are the a, b, and c values. for this problem, I am required to show any equations used to solve for the variable. hope you can help me, thanks!!​

Answer:

Step-by-step explanation:

The tree is .0564 meters

Answer:

Step-by-step explanation:

de chill de chill

The height of the can is approximately 9.74 centimeter.

The surface area of a cylinder is the total area of the curved and flat surfaces that make up the cylinder. It can be calculated using the formula:

SA = 2πr² + 2πrh

where r is the radius of the cylinder and h is its height.

In this case, we are given that the diameter of the can is 4 cm, which means the radius is 2 cm.

We are also given that the surface area is 130 square centimeters. Substituting these values into the formula, we get:

130 = 2π(2)² + 2π(2)h

Simplifying this equation, we get:

130 = 8π + 4πh

Subtracting 8π from both sides, we get:

122 = 4πh

Dividing both sides by 4π, we get:

h = 122/(4π) ≈ 9.74 cm (rounded to the nearest hundredth using 3.14 for π)

Therefore, the height of the can is approximately 9.74 cm.

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No, a fraction is not a term. The distributive property can be applied to fractions because it is a general mathematical principle.

A fraction is not considered a term in the traditional sense. It is a mathematical expression that represents division. However, the distributive property can still be applied to fractions because the property itself is a fundamental rule of arithmetic that extends beyond specific types of expressions.

The distributive property states that for any real numbers a, b, and c:

a × (b + c) = (a × b) + (a × c).

When working with fractions, we can apply the distributive property as follows:

Let's consider the expression: a × (b/c).

We can rewrite this as: (a × b)/c.

Now, let's distribute the 'a' to 'b' and 'c':

(a × b)/c = (a/c) × b.

In this step, we applied the distributive property to the fraction (a/c) by treating it as a whole.

Although fractions represent division, we can still use the distributive property because it is a general mathematical principle that allows for manipulating expressions involving addition, subtraction, multiplication, and division.

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(a)  a random variable coming from a normal distribution and p ( x < 5.3 ) = 0.79 , then p ( x > 5.3 ) = 0.21 .

(B) the posterior distribution will likely place more weight on values of 0 closer to 0.75, as the observed sequence is more likely to come from a biased coin than a fair coin.

In this problem, we are dealing with a population of novelty coins, where 80% of the coins are fair (with a 50% chance of landing heads) and the remaining 20% of the coins have a 75% chance of landing heads. We need to determine the prior distribution for the parameter 0, which represents the probability of heads for a randomly selected coin. The prior distribution can be expressed as a weighted combination of   a random variable coming from a normal distribution and p ( x < 5.3 ) = 0.79 , then p ( x > 5.3 ) = 0.21 .

Given the sequence of tosses HHHTH from a randomly selected coin, we can use this data to calculate the posterior distribution of 0. The posterior distribution represents the updated probabilities for the parameter 0 after taking into account the observed data. In this case, the posterior distribution will be a combination of the prior distribution and the likelihood of observing the given sequence of tosses. By applying Bayesian inference, we can calculate the updated probabilities for 0 based on the data and the prior distribution.

To summarize, the prior distribution for the parameter 0 is a weighted combination of the probabilities of heads for fair coins and biased coins in the population. The posterior distribution is obtained by updating the prior distribution with the observed data, reflecting the updated probabilities for 0 based on the sequence of tosses HHHTH.

Now, let's explain the process of determining the posterior distribution of 0. We start with the prior distribution, which is a combination of 0.8 for fair coins and 0.75 for biased coins. After observing the sequence HHHTH, we calculate the likelihood of obtaining this sequence for each possible value of 0, considering the probabilities associated with fair and biased coins. For example, for a fair coin (0.5), the likelihood of observing HHHTH is (0.5)^4 * (1-0.5) = 0.03125, while for a biased coin (0.75), the likelihood is (0.75)^4 * (1-0.75) = 0.0703125.

To obtain the posterior distribution, we multiply the prior distribution by the corresponding likelihoods for each value of 0 and normalize the result to ensure it sums to 1. The normalized values represent the updated probabilities for 0, given the observed data. In this case, the posterior distribution will likely place more weight on values of 0 closer to 0.75, as the observed sequence is more likely to come from a biased coin than a fair coin.

In conclusion, the process of determining the posterior distribution involves updating the prior distribution with the observed data, considering the likelihood of obtaining the sequence of tosses. By applying Bayesian inference, we can calculate the updated probabilities for the parameter 0, reflecting our updated beliefs about the probability of heads for the randomly selected coin.

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Answer:

What do you want me to do? It is already solved

Step-by-step explanation:

Answer:

4 is the number

Step-by-step explanation:

(17-x)(-2)=-26

-34+2x=-26

2x=-26+34

2x=8

x=8/2

=4

Compute the Gaussian density for the following cases. (a) x=0, m=0, s-1. Give the name of question5a (b) x-2, m=0, s-1. The value of the account on January 1, 2021, would be $2,331.57.

To calculate the value of the account on January 1, 2021, we need to consider the compounding interest for each year.

First, we calculate the value of the initial deposit after three years (12 quarters) using the formula for compound interest:

Principal = $1,000

Rate of interest per period = 8% / 4 = 2% per quarter

Number of periods = 12 quarters

Value after three years = Principal * (1 + Rate of interest per period)^(Number of periods)

                           = $1,000 * (1 + 0.02)^12

                           ≈ $1,166.41

Next, we calculate the value of the additional $1,000 deposit made on January 1, 2019, after two years (8 quarters):

Principal = $1,000

Rate of interest per period = 2% per quarter

Number of periods = 8 quarters

Value after two years = Principal * (1 + Rate of interest per period)^(Number of periods)

                         = $1,000 * (1 + 0.02)^8

                         ≈ $1,165.16

Finally, we add the two values to find the total value of the account on January 1, 2021:

Total value = Value after three years + Value after two years

                ≈ $1,166.41 + $1,165.16

                ≈ $2,331.57

Therefore, the value of the account on January 1, 2021, is approximately $2,331.57.

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Answer:

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Step-by-step explanation:

We can find the function f(x) by integrating f'(x) with respect to x:

â«f'(x) dx = â«(2/(x^3) + 4e^x + 5) dx

f(x) = -1/x^2 + 4e^x + 5x + C

To find the constant C, we can use the given initial conditions:

f(-1) = 1 = -1/(-1)^2 + 4e^(-1) - 5 + C

C = 1 + 1/1 - 4e^(-1)

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Therefore, the function f(x) is:

f(x) = -1/x^2 + 4e^x + 5x + 1 + 1/x - 4e^(-1)

Answer:

ST = 20

Step-by-step explanation:

Line segment RS and segment ST must add up to line segment RT

Step 1: Define

RS = 17

ST = x + 6

RT = 3x - 5

Step 2: Set up equation

mRS + mST = mRT

17 + x + 6 = 3x - 5

Step 3: Solve for x

x + 23 = 3x - 5

23 = 2x - 5

28 = 2x

x = 14

Step 3: Find mST

ST = x + 6

ST = 14 + 6

ST = 20

Answer:

A is 3 b is 2 C is 8 D is 9 hope it helps

Step-by-step explanation:

Answer:

Step-by-step explanation:

2nd one

Answer:

its c

Step-by-step explanation:

Answer:

-3/4

Step-by-step explanation:

the slope is rise/run

Add

2

y

to both sides of the equation.

−

4

x

=

−

12

+

2

ySolve for

x

in the first equation.

Tap for fewer steps...

Add

2

y

to both sides of the equation.

−

4

x

=

−

12

+

2

y

4

x

+

8

y

=

−

24

Divide each term by

−

4

and simplify.

Tap for fewer steps...

Divide each term in

−

4

x

=

−

12

+

2

y

by

−

4

.

−

4

x

−

4

=

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−

4

+

2

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−

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4

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24

Cancel the common factor of

−

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.

Tap for more steps...

x

=

−

12

−

4

+

2

y

−

4

4

x

+

8

y

=

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24

Simplify each term.

Tap for more steps...

x

=

3

−

y

2

4

x

+

8

y

=

−

24

Replace all occurrences of

x

with

3

−

y

2

in each equation.

Tap for more steps...

12

+

6

y

=

−

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x

=

3

−

y

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Solve for

y

in the first equation.

Tap for more steps...

y

=

−

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x

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−

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Replace all occurrences of

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in each equation.

Tap for more steps...

x

=

6

y

=

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The solution to the system is the complete set of ordered pairs that are valid solutions.

(

6

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The result can be shown in multiple forms.

Point Form:

(

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Equation Form:

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24 Answer: The answer to your ? is A

Answer:

-1, 1

Step-by-step explanation:

Khan Academy

Answer:

The angle between building 1 and building 3 at building 2 is not a right angle, and hence, the buildings do not form a right triangle.

Step-by-step explanation:

Answer:

f(4)=14

Step-by-step explanation:

f(x)=5x-6

f(4)=5(4)-6

f(4)=20-6

f(4)=14

Answer:

f(4) = 14

Step-by-step explanation:

f(x) = 5x -6

f(4) = 5(4) - 6

f(4) = 20 - 6

f(4) = 14

The height of the oak tree in front of Igor's castle is approximately 57.27 ft. To find the height of the oak tree, we can use the principle of similar triangles.

The height of the tree can be determined by comparing the ratio of the height of Igor to the distance between Igor and the mirror with the ratio of the height of the tree to the distance between the mirror and the tree.

Let's represent the height of the oak tree as 'h'. According to the problem, Igor's eye height is 4.5 ft, and he is 5.5 ft away from the center of the mirror. The mirror is placed 70 ft from the tree.

Using the similar triangles concept, we can set up the following proportion:

(height of Igor) / (distance between Igor and mirror) = (height of tree) / (distance between mirror and tree)

Plugging in the given values, we have:

4.5 ft / 5.5 ft = h / 70 ft

Solving this proportion, we find:

(4.5 ft * 70 ft) / 5.5 ft = h.

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Answer:

False

Step-by-step explanation:

Vertical angles are not always adjacent, but they are always congruent.

Hope that helps!

Answer:

False

Step-by-step explanation:

Hope it will help you*

According to the information, we can infer that the histograms indicate that female students tend to have a higher frequency of studying times compared to male students during the week prior to their AP tests.

By comparing the histograms, we can observe that the frequency of studying times for female students is generally higher across all time intervals compared to male students. Female students have a higher frequency in each category, indicating that they spend more time studying than male students during the week before the AP tests.

To further analyze the distributions, we can also consider the measures of center and variation. The measures of center, such as the mean or median, would provide insights into the typical studying time for each group. Additionally, measures of variation, such as the standard deviation or interquartile range, would indicate the spread or variability of studying times within each group.

Accoding to the above, based on the provided frequency distributions, it can be concluded that female students tend to dedicate more time to studying during the week prior to their AP tests compared to male students.

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The rate of change of z with respect to t is given by [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2).

To use the chain rule to find dz/dt, we first need to find the partial derivatives of z with respect to x and y.

∂z/∂x = 1/(1 + (y/x)^2) * (y/x^2) = y/(x^2 + y^2)
∂z/∂y = -1/(1 + (y/x)^2) * (1/x) = -x/(x^2 + y^2)

Now we can apply the chain rule:

dz/dt = ∂z/∂x * dx/dt + ∂z/∂y * dy/dt

Substituting in the given values:

dx/dt = e^t
dy/dt = e^(-t)

x = e^t
y = 9 - e^(-t)

∂z/∂x = y/(x^2 + y^2) = (9 - e^(-t)) / (e^(2t) + (9 - e^(-t))^2)
∂z/∂y = -x/(x^2 + y^2) = -e^t / (e^(2t) + (9 - e^(-t))^2)

Substituting these into the chain rule formula:

dz/dt = [(9 - e^(-t)) / (e^(2t) + (9 - e^(-t))^2)] * e^t + [-e^t / (e^(2t) + (9 - e^(-t))^2)] * e^(-t)

Simplifying:

dz/dt = [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2)

Therefore, the rate of change of z with respect to t is given by [9e^t - e^(2t) - e^(-t)] / (e^(2t) + (9 - e^(-t))^2).

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Using a linear function, it is found that:

1. The company would charge $1,500 for 20 hours of labor and $3,000 for 50 hours of labor.

2. The graph is given at the end of the answer.

3. The slope of 50 means that the cost of each additional hour of labor is of $50.

A linear function is modeled by:

y = mx + b

In which:

For this problem, we have that:

Hence the charge for x hours of labor is given by the following function:

C(x) = 50x + 500.

Then:

The company would charge $1,500 for 20 hours of labor and $3,000 for 50 hours of labor.

The slope of 50 means that the cost of each additional hour of labor is of $50.

The graph with the two points from item a labeled is given at the end of the answer.

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Answer:

Volume = 1099 cm³

Step-by-step explanation:

Volume = πr²h = 3.14(5²)(14) = 1099 cm³

Answer:- Hence, the  combination will maximize total utility is \(12.\)

Step-By-Step-Explanation:-

What is cost?

Cost is the amount of money you spent to make the product or service. Price is what you will charge for it.

Here given that,

The cups and plates budget is \($18 (3 plates x $6 each + 6 cups x $3 each)\)

Then the utility for the combination is \(12 (3 plates x 4 utility each + 6 cups x 2 utility each).\)

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Answer:

\(d=\frac{2w(c-2)}{5} \)

Step-by-step explanation:

The given formula is:

c=5d+4w/2w

We need to find d.

Multiply 2w on both sides, we get

c x 2w= 5d+4w/2w x 2w

2cw=5d+4w

Adding -4w on both sides, we get

2cw-4w=5d+4w-4w.

2cw-4w=5d

2w(c-2)=5d

Dividing by 5, we get

2w(c-2)/5 = 5d/5

2w(c-2)/5 = d

Hence the required formula with subject d is

\(d=\frac{2w(c-2)}{5} \)

The correct option is :

C. 18 cm

solution is in attachment !! :)

Answer:

see below

Step-by-step explanation:

A.29 > | -29 |

Absolute value means take the non negative value

A.29 >  29

This is not true

B.| -22 | 22

Absolute value means take the non negative value

22 You do not have an inequality so we cannot solve this

D. | -29 | < | 0 |

Absolute value means take the non negative value

29 < 0

This is not true

Since A and D are not true,  B must be true

A(n) MODEL is a mathematical representation of an object created by a special software.

In computer science, a model is a mathematical abstraction of a system, process, or phenomenon that is intended to be simulated or executed on a computer system. A model is used to represent a system or process as a set of mathematical equations or logical rules in order to simulate or analyze it with a computer program.

                                                  It can be a physical object, such as a car or building, or an abstract concept, such as an economic system or a social network. In general, a model can be a simple or complex representation of a real-world object or process, and it can be used for a variety of purposes, such as predicting future outcomes, testing hypotheses, or designing new systems.

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