On the graph of a quadratic function, the x-intercepts are (4, 0) and (8, 0), and the vertex is (6, −4). Which equation represents the function?

Answer:

It would be 2 1/3!

Step-by-step explanation:

Answer:

81π cubic units

Step-by-step explanation:

The formula for volume of cone is given by:

V = 1/3πr^2h, where

Step 1:  Find radius:

We know that the diameter, d, is simply twice the radius.  Thus, we can find the radius of the circular base by dividing the given diameter by 2:

d = 2r

d/2 = r

9/2 = r

4.5 units = r

Thus, the radius of the circular base is 4.5 units.

Step 2:  Find volume and leave in terms of pi:

We can find the volume in terms of pi by plugging in 4.5 for r and 12 for h and simplifying:

V = 1/3π(4.5)^2(12)

V = 1/3π(20.25)(12)

V = 1/3π(243)

V = 81π cubic units

Thus, the volume of the cone in terms of pi is 81π cubic units.

On evaluating the value of the expression  [4.2−3(2.1)] + 1 (-0.2)² is -2.06 .

In the question ,

the expression is given as

[4.2−3(2.1)] + 1 (-0.2)²

the value of (-0.2)²= (-0.2)*(-0.2)

                              = 0.04

Substituting the value of (-0.2)² in expression , we get

=[4.2−3(2.1)] + 1*0.04

=[4.2−3(2.1)] + 0.04

Solving the terms inside [ ] , we have

multiplying 3 with 2.1 we get

3*2.1= 6.3

Substituting it in the expression above we get

= [4.2−6.3] + 0.04

Simplifying further , we get

= -2.1 + 0.04

= -2.06

Therefore , on evaluating the value of the expression  [4.2−3(2.1)] + 1 (-0.2)² is -2.06 .

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Answer:

Step-by-step explanation:

The answer is -2.06.

hope you get a good grade!!!

Answer: Electrical network

Step-by-step explanation: this is the answer hope it helps

Answer:

yes you're right it is 14 + 28p = 315

Answer:

C

Step-by-step explanation:

I had this question edge 2021

Answer:hiisay hi to everyone to make their day

Step-by-step explanation:

Answer

The length is 11.5.

Step-by-step explanation:

Knowing to find the volume, you must use w,h,l, we simply need to switch up the formula. the new formula is L= V over hw = 948.75 over 11 x 7.5 = 11.5

Answer: 1008

Step-by-step explanation:

Given

5 small containers of capacity 16,72,12,24, and 56 litres is required to fill a big container.

The volume of big container is the LCM of the 5 given containers

\(LCM(16,72,12,24,56)=1008\)

Therefore, the capacity of the bigger container is 1008 litres.

In question 27, the price elasticity of supply for shampoo is given as 20, and the price of shampoo increases by 0.7%. The expected change in the quantity of shampoo supplied can be determined using the concept of price elasticity of supply. However, the specific percentage change in quantity supplied is not provided, so a precise answer cannot be given based on the given information.

In question 20, an inferior good in which the income effect dominates the substitution effect is referred to as a Giffen good. It is not classified as a normal good, luxury good, mass-produced good, or favored good.

In question 30, the cross elasticity of demand measures the responsiveness of the quantity demanded of a particular good to changes in the prices of its substitutes and complements. The correct answer is that the cross elasticity of demand measures the responsiveness to changes in both substitutes and complements.

In question 27, without the specific percentage change in quantity supplied, we cannot determine the exact outcome based on the given information. The price elasticity of supply of 20 suggests that the quantity supplied is highly responsive to changes in price, but the specific percentage change in quantity supplied cannot be calculated without additional data.

In question 28, the relationship between pasta being a Giffen good and other characteristics is not specified. While pasta being a Giffen good indicates that the quantity demanded increases as the price increases, it does not imply whether pasta is a normal good, luxury good, or how price changes affect quantity demanded.

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Step-by-step explanation:

The interior angles of a triangle add up to 180 degrees.

a.

90 + 2x + (3x - 20) = 180

90 + 2x + 3x - 20 = 180

70 + 5x = 180

5x = 110

x = 22

b.

2(22) = 44

c.

The interior angles of a triangle add up to 180 degrees.

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By solving equations we know that there are 30 giraffes and 40 ostriches in the zoo.

A mathematical statement known as an equation is made up of two expressions joined by the equal sign.

A formula would be 3x - 5 = 16, for instance.

When this equation is solved, we discover that the number of the variable x is 7.

So, calculate as follows:

Let g represent giraffes and o represent ostriches.

g + o = 70 ...(1)

4*g + 2*o = 200  ...(2)

g = 70 - o, according to equation 1, therefore we may enter that number in place of g in equation 2 to obtain:

4*g + 2*o = 200

4*(70-o) + 2*o = 200

280 - 4o + 2o = 200

-2o = 200 - 280

2o = 80

o = 80/2

o = 40

Ostriches are 40 then giraffes will be:

70 - 40 = 30

Therefore, by solving equations we know that there are 30 giraffes and 40 ostriches in the zoo.

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The gradient of the line is \(\frac{-5}{2}\) and the y - intercept is 3.

What are the intercepts?

A line or curve's "intercept" is the point at which it crosses the axis of a graph. The x-axis' intersection point is known as the x-intercept. The location where the y-axis crosses is known as the y-intercept. When a line has an intercept, what is meant is the x- or y-axis junction point.

We are given an equation of line to be 5x + 2y = 6.

Now, converting in the slope - intercept form, we get

⇒ 2y = -5x + 6

⇒ y = (-5x + 6) ÷ 2

⇒ y =  \(\frac{-5}{2}\)x + 3

From this, we get

m =  \(\frac{-5}{2}\) and b = 3

This means that the slope which is the gradient is  \(\frac{-5}{2}\) and b represents the y - intercept.

Hence, the gradient of the line is \(\frac{-5}{2}\) and the y - intercept is 3.

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Answer: m = 15w

Step-by-step explanation: The reason why the answer is m = 15w is because since he said "He decides to increase the number of facts they are expected to memorize each week." Which makes it so that only the  multiplication fact increased to 15 since they wouldn't put it lower then that. And there is a 2nd reason why the multiplication fact is 15. the reason why is because theres only one answer with 30 and its completely wrong. So therefore,, The answer is Multiplication Fact = 15weeks.

Answer:

m = 15w

Step-by-step explanation:

Answer: its ''A'' it takes a starfish 60 seconds to travel 1 meter

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

Monte Carlo and Historical simulation are widely used tools for risk measurement, generating random inputs based on probability distribution functions. Proper probability distributions are crucial for risk analysis, while statistics aids in risk management by obtaining probabilities and assessing results.

a) Monte Carlo and Historical simulation are the most extensively used tools for measuring risk. The significant difference between these two tools lies in their inputs. Monte Carlo simulation is based on generating random inputs based on a set of probability distribution functions. While Historical simulation, on the other hand, simulates based on the prior actual data inputs.\

b) In risk analysis, the right choice of probability distribution that explains the risk factor's values is of paramount importance as it can give rise to critical decision making and management of financial risks. Probability distributions such as the Normal distribution are used when modeling the return of an asset, or its log-returns. Normal distribution in financial modeling is essential because it best describes the distribution of price movements of liquid and high-frequency assets. Nonetheless, selecting the wrong distribution can lead to wrong decisions, which can be quite catastrophic for the organization.

c) Statistics are used in Risk Management to assist in decision-making by helping to obtain the probabilities of potential risks and assessing the results. Statistics can provide valuable insights and an objective evaluation of risks and help us quantify risks by considering the variability and uncertainty in all situations. With statistics, risks can be easily identified and properly evaluated, and it assists in making better decisions.

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Answer:

less than (10 es menos de 1)

The equation represents a circle with the same radius as the circle shown but with a center at (-1, 1) is (x + 1)² + (y - 1)² = 16.

We know that, the center of a circle is (-1, 1).

We know that, the standard form for an equation of a circle is

(x - h)² + (y - k)² = r²

The (h, k) are co-ordinate of your Centre of circle, which in this case is (-1,1) and r is the radius of circle.

As we can see in the figure radius = 4units

From Centre (1,-2) to (1,-2)

Put these into the equation

(x + 1)² + (y - 1)² = 4²

(x + 1)² + (y - 1)² = 16

Therefore, option D is the correct answer.

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Answer:

The selling price of the bag is $22.5

Step-by-step explanation:

Buying Price = $25,

Selling Price = ?

Since they sold it at a loss of 10%,

So, they sold it for a price 10% less than the buying price,

or at 90% or 0.9 of the buying price,

so,

Selling Price = (0.9)(25) = $22.5

The equilibrium wage rate as a function of labor demand N is w = z, and the firm's profit π = 0.

a. To find the equilibrium wage as a function of labor demand N, we need to maximize the profit of the firm while taking into account the utility function of the consumer.

The firm's profit function is given by π = zN - wN, where w represents the wage rate.

To maximize the firm's profit, we take the derivative of the profit function with respect to N and set it equal to zero:

dπ/dN = z - w = 0

This implies that the equilibrium wage rate w is equal to z.

Therefore, the equilibrium wage as a function of labor demand N is simply w = z.

b. The firm's profit π is given by π = zN - wN, where w represents the wage rate. In this case, we have already established that the equilibrium wage rate is w = z.

Substituting w = z into the profit function, we have:

π = zN - zN = 0

Therefore, the firm's profit π is zero.

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A cumulative relative frequency distribution shows option (A) the proportion of data items with values less than the upper limit of each class

A cumulative relative frequency distribution shows the proportion of data items with values less than or equal to the upper limit of each class. It provides a cumulative summary of the data distribution by adding up the frequencies or proportions of all preceding classes.

To construct a cumulative relative frequency distribution, you start with the lowest class and calculate the relative frequency (proportion) of data items in that class. Then, for each subsequent class, you add the relative frequency of that class to the cumulative relative frequency from the previous class. This cumulative value represents the proportion of data items with values less than or equal to the upper limit of the current class.

In essence, a cumulative relative frequency distribution allows you to track the accumulation of data values as you move through the classes, giving insights into the overall distribution and the proportion of data items falling below specific values.

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The total cost will be $21 for the bowling alley.

Expression in maths is defined as the relation of numbers variables and functions by using mathematical signs like addition, subtraction, multiplication, and division.

Given that a bowling alley charges $3 plus tax for each pair of shoes and $4 plus tax for each player every game. If you and a friend hire a pair of shoes and bowl three games.

The total cost will be calculated as:-

Cost = ( 3 + 4 ) x 3

Cost = 7 x 3

Cost = $21

Therefore, the total cost will be $21.

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Opposite Q is length PR

Adjacent is 7

Hypotenuse is 19

We got AH - which is CAH or cos

Cos-1( 7/19) = 68.38....

It's 68.4 degrees

The closest answer to this is B. So, choose that because it maybe due to a typing error.

Hope this helps!

Answer:

is there a photo to look at

Step-by-step explanation:

The measure of angle BAC is equal to the measure of angle ABC.

Given: ∠ABD = ∠CAD and ∠BAD = ∠ACD

We need to find: ∠BAC

To solve this, we will use the property that the angles of a triangle add up to 180 degrees. We will start by analyzing triangle ABC.

In triangle ABC, the sum of angles is 180 degrees. So, we have:

∠BAC + ∠ABC + ∠ACB = 180 degrees ...(1)

Now let's analyze triangle ABD. Here, we know that ∠ABD = ∠CAD and ∠BAD = ∠ACD.

In triangle ABD, the sum of angles is 180 degrees. So, we have:

∠BAD + ∠ABD + ∠ADB = 180 degrees ...(2)

Substituting ∠BAD = ∠ACD and ∠ABD = ∠CAD from the given information, equation (2) becomes:

∠ACD + ∠CAD + ∠ADB = 180 degrees ...(3)

Comparing equations (1) and (3), we observe that the sum of the angles in triangle ABC is the same as the sum of the angles in triangle ABD. This suggests that the remaining angles in both triangles, ∠ABC and ∠ACB, must be equal to ∠ADB.

Since ∠ABC = ∠ADB, we can rewrite equation (1) as:

∠BAC + ∠ADB + ∠ACB = 180 degrees ...(4)

Now, substituting ∠ADB with ∠ABC in equation (4), we get:

∠BAC + ∠ABC + ∠ACB = 180 degrees ...(5)

Comparing equations (5) and (1), we see that they are identical. This implies that ∠BAC = ∠ABC.

Therefore, based on the given information and the properties of triangles, we can conclude that ∠BAC = ∠ABC.

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Complete Question:

In the adjoining figure find the measure of ∠BAC if∠ABD=∠CAD and ∠BAD=∠ACD

The standard cell potential for the given reaction is 0.57 volts.

To determine the standard cell potential, we can use the Nernst equation:

E = E° - (0.0592/n) * log(Q)

Where E is the cell potential, E° is the standard cell potential, n is the number of electrons transferred in the balanced equation, and Q is the reaction quotient.

For the given reaction:

2 Cr2O7^2-(aq) + 14 H+(aq) + 6 I-(aq) → 2 Cr^3+(aq) + 7 H2O(l) + 3 I2(s)

The number of electrons transferred is 6, and the reaction quotient Q is not given.

Since the standard cell potential E° is not provided, it cannot be directly calculated without further information.

The standard cell potential for the given reaction involving Cr2O7^2-, H+, and I- cannot be determined without the standard cell potential value (E°) and the reaction quotient (Q).

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Red-green color blindness is controlled by an x-linked gene in humans. The allele that causes color blindness is rare and recessive to the allele for normal vision. A man and woman both with normal vision had color-blind fathers. If this man and woman have a child, Therefore, the probability of a child being color-blind is 25%.

Red-green color blindness is an X-linked recessive disorder. This means that the gene for the disorder is found on the X chromosome. Because males have only one X chromosome (inherited from their mother), they will develop color blindness if they inherit the allele from their mother. On the other hand, females need to inherit two copies of the allele, one from each parent, to develop the disorder.A man with normal vision will have the genotype XY, and the woman will have the genotype XX.

Each child of the couple will receive one X chromosome from the mother and one Y chromosome from the father. The probability of the child inheriting the allele for color blindness from its father is 0 because he has no alleles for color blindness.

The probability of the child inheriting the allele for color blindness from its mother is 1/2 because the mother's X chromosome has a 1/2 probability of carrying the allele. Because the mother is a carrier, the probability of the child receiving the allele is 1/2.

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