Please help me! This is due at 2:15 PM!!!! WHICH ALREADY PASSED!!! ITS GOING TO BE LATE> A game has 15 balls for each of the letters B, I, N, G, O. The table shows the results of drawing balls 1,250 times.
Letter Frequency


B 247

I 272

N 238

G 241

O 252


For which letter is the experimental probability closest to the theoretical probability? Explain please.

Answer:

x < 3

Step-by-step explanation:

4x -7 < 5

4x < 12

x < 3

Answer:x < 3

Step-by-step explanation:4x -7 < 5

4x < 12

x < 3

To find the percentage increase in price from yesterday's price to today's price, we can use the following formula:

Percentage Increase = ((New Value - Old Value) / Old Value) x 100

Plugging in the given values, we get:

Percentage Increase = ((2.75 - 2.40) / 2.40) x 100

Percentage Increase = (0.35 / 2.40) x 100

Percentage Increase = 0.1458 x 100

Percentage Increase = 14.58%

Therefore, the percentage increase in price from yesterday's price to today's price is 14.58%, rounded to the nearest tenth of a percent.

Step-by-step explanation:

Based on the information you provided, an actuary earns $94,740 per year while a nurse practitioner earns $89,960 per year. The difference in their annual salaries is $4,780. Over 20 years, an actuary would earn $95,600 more than a nurse practitioner (20 years * $4,780/year = $95,600).

Answer:

x = -10/3

Step-by-step explanation:

6(2x – 1) – 12 = 3(7x + 4)

12x - 6 - 12 = 21x + 12

12x - 18 = 21x + 12

-9x - 18 = 12

-9x = 30

x = -30/9

x = -10/3

Answer:

Step-by-step explanation:

[tex]6(2x -1) - 12 = 3(7x + 4)[/tex]

   [tex]12x-6-12=21x+12[/tex]         (multiplied to remove brackets)

         [tex]12x-18=21x+12[/tex]        

                 [tex]12x=21x+30[/tex]          (+18 to both sides of the equation)

                 [tex]-9x=30[/tex]                   (-21x both sides)

                      [tex]x=-\frac{30}{9}=-\frac{10}{3}[/tex]    (÷-9 both sides and then simplified the

                                                    fraction)

None of the answers are correct

Answer:

x=0,[tex]\frac{9}{2}[/tex]   Decimal Form: 0, 4.5

Step-by-step explanation:

1 )Move all terms to one side.

56[tex]x^{2}[/tex]-252x=0

2 )Factor out the common term 28x.

28x(2x−9)=0

3 )Solve for x

x=0,[tex]\frac{9}{2}[/tex]   Decimal Form: 0, 4.5

This means that there is a 25% chance that the salesperson will make no more than 3 sales in an hour.

A salesperson is a professional who works to solicit and close sales with customers. They typically work in retail stores, warehouses, or other businesses where customers come to purchase goods or services. Salespeople focus on providing excellent customer service and developing relationships with potential and existing customers. They must be able to build trust with their customers and understand their needs in order to make successful sales. They must also be able to use different techniques to present products, services, and solutions to customers.

The probability of making no more than 3 sales in an hour is calculated by dividing the total number of possible outcomes with 3 or fewer sales (in this case, 4) by the total number of possible outcomes (16). This gives us a probability of 4/16, or 25%. This means that there is a 25% chance that the salesperson will make no more than 3 sales in an hour.

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By the end of the hour he will have made no more than 3 sales and the probability is  25%  or 1/4.

What is probability?

Probability means possibility of something or some incident. In this part of mathematics we deals with the occurrence of a random event. The value is in between zero and one.

The probability of making no more than 3 sales in an hour is calculated by dividing the total number of possible outcomes with 3 or fewer sales.

twenty minutes into the hour, the salesperson has made his first sale.

here the occurrence of 3 or fewer sales is 4

and the total number of possible outcomes is 16

so the probability is 4/16= 1/4

that is 25%.

Hence, there is a 25% chance that the salesperson will make no more than 3 sales in an hour also the probability is 1/4.

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m/EFH = 109° and m/EFG = 18°. Angles in a straight line sum to 180°. Since m/GFH is 71°, the remaining angle measures must add up to the remaining 109°. Therefore, m/EFH must be 109° and m/EFG must be 18°.

To find m/EFH and m/EFG, we need to use the fact that angles in a straight line sum to 180°. We can use this fact to work out the missing angle measures.

First, we note that m/GFH is 71°. This means that the remaining angles must add up to the remaining 109°.

We can then calculate m/EFH by subtracting m/GFH from 180°. m/EFH is therefore 180° - 71° = 109°.

Next, we can calculate m/EFG by subtracting m/EFH from 180°. m/EFG is therefore 180° - 109° = 18°.

Therefore, m/EFH = 109° and m/EFG = 18°.

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hope you understood the answer

Answer:

B is correct

Step-by-step explanation:

The expected grade for a student working six hours on the project is given as follows:

b) 90.

To calculate the numeric value of a function or of an expression, we substitute each instance of any variable or unknown on the function by the value at which we want to find the numeric value of the function or of the expression presented in the context of a problem.

The function that predicts the grade of a student working x hours in the project is given as follows:

y = 5x + 60.

Hence, for a student working six hours, the expected grade is given as follows:

y = 5(6) + 60

y = 90.

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Answer:

the answer will be: C. 1/25

Step-by-step explanation:

There are five possible values for each coupon, so there are 5 x 5 = 25 possible combinations of food and pharmacy coupons. Each combination is equally likely, so the probability of getting any particular combination is 1/25.

There is only one combination that gives a $0.25 food coupon and a $0.40 pharmacy coupon, so the probability of getting this combination is 1/25.

Therefore, the probability that a customer receives a $0.25 food coupon and a $0.40 pharmacy coupon at the checkout is 1/25 or 0.04 (4%).

In this case, we are given a coupon-printing machine at the checkout of a grocery store prints one food coupon and one pharmacy coupon for each customer: $0.25, $0.30, $0.40, $0.45, or $0.50. It is asked in the problem to give the probability that a customer receives a $0.25 food coupon and a $0.40 pharmacy coupon at the checkout. Since the customer chose the $0.25 food coupon and a $0.40 pharmacy coupon,

Then the probability is 2/5. this is equal to 40%.

Answer:

Step-by-step explana add

The distance between her house and her mother's house =135 miles

Let the entire distance be 3x

Normally that takes 180 minutes

speed would be  (3x)/180  =  x/60   miles per minute

It would take 60 minutes to go the first distance of x and 276-60 = 216 minutes to the next 2x miles

She hits a bad snowstorm and reduces her speed by 20 miles per hour.

So her speed would be, (x - 20)/60 miles

for given situation we formulate an equation,

(x - 20)/60 = 2x/216

(x - 20)/10 = x/18

18x - 360 = 10x

8x = 360

x = 45 miles

So, the total distance would be:

3x = 3 × 45

    = 135 miles

Therefore, the required distance is 135 miles

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Step-by-step explanation:

To find the vertices of triangle ABC after the translation T = (2/3), we can use the following formula:

(x', y') = (x + 2/3, y + 2/3)

where (x, y) are the coordinates of the original point and (x', y') are the coordinates of the translated point.

Using this formula, we can translate each vertex of triangle A'B'C' back to its original position:

Vertex A:

x = 3 - 2/3 = 7/3

y = 1 - 2/3 = 1/3

Therefore, the coordinates of vertex A in triangle ABC are (7/3, 1/3).

Vertex B:

x = 1 - 2/3 = 1/3

y = -2 - 2/3 = -8/3

Therefore, the coordinates of vertex B in triangle ABC are (1/3, -8/3).

Vertex C:

x = 1 - 2/3 = 1/3

y = 2 - 2/3 = 4/3

Therefore, the coordinates of vertex C in triangle ABC are (1/3, 4/3).

Therefore, the vertices of triangle ABC are (7/3, 1/3), (1/3, -8/3), and (1/3, 4/3).

Answer:

Let A(x1, y1), B(x2, y2), and C(x3, y3) be the vertices of triangle ABC.

Under the translation T, each point (x, y) is mapped to the point (x + 2/3, y), which means that the new coordinates of A, B, and C will be:

A' = (x1 + 2/3, y1)

B' = (x2 + 2/3, y2)

C' = (x3 + 2/3, y3)

We are given the coordinates of A' (3, 1), B' (1, -2), and C' (1, 2), so we can set up a system of equations to solve for the coordinates of A, B, and C:

x1 + 2/3 = 3 => x1 = 2 1/3

y1 = 1

x2 + 2/3 = 1 => x2 = 1/3

y2 = -2

x3 + 2/3 = 1 => x3 = 1/3

y3 = 2

Therefore, the vertices of triangle ABC are A(2 1/3, 1), B(1/3, -2), and C(1/3, 2).

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Answer: Geometric and common difference is 1/3

Step-by-step explanation:

We can be reasonably confident that our estimate adequate sample size of 67% is within 2.5% of the true proportion.

To determine if a sample size of 1,400 is adequate for estimating a proportion of 67%, we need to calculate the margin of error and compare it to the given tolerance level of 0.025.

We can use the following formula to calculate the margin of error:

[tex]E = z \sqrt{\frac{(p (1-p)}{n} )[/tex]

where:

Plugging in the values, we get:

[tex]E = 1.96 \sqrt{(0.67 (1-0.67)/1400)[/tex]

≈ 0.025

Thus, the error margin is around 0.025. This indicates that there is a 95% chance that the real percentage will be within 0.025 of the estimated proportion.

We may infer that a sample size of 1,400 is sufficient for predicting a proportion of 67% with the provided degree of confidence and tolerance as the computed margin of error is equal to the required tolerance level. As a result, we can say with some degree of assurance that our estimate of 67% is within 2.5% of the actual proportion.

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The given statement " The allowable range for an objective function coefficient assumes that the original estimates for all the other coefficients are completely accurate so that this is the only one whose true value may differ from its original estimate " is false because the allowable range for an objective function coefficient assumes that the original estimates for other coefficients are approximately correct

The allowable range for an objective function coefficient assumes that the original estimates for all the other coefficients are approximately correct, but not necessarily completely accurate. The allowable range takes into account the potential variability or uncertainty in the estimated values of the other coefficients, as well as the impact of any errors or discrepancies in the data used to estimate the model.

Therefore, the allowable range provides a range of values within which the objective function coefficient can vary while still producing a valid and useful model. It does not assume that the other coefficients are completely accurate or that this is the only coefficient whose true value may differ from its original estimate.

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The x-intercepts of the quadratic function shown is (−2, 0) and (2, 0). Hence, option D is correct.

A quadratic equation is a second-degree polynomial equation of the form [tex]\rm ax^{2} + bx + c = 0[/tex], where x is the variable and a, b, and c are constants, with a ≠ 0.

Quadratic equations can have one, two, or no real solutions depending on the values of the constants a, b, and c. The solutions of a quadratic equation can be found by using the quadratic formula.

None of the given options are correct as they all describe x-intercepts that lie on either the x-axis or y-axis.

For a quadratic function in standard form, [tex]\rm y = ax^{2} + bx + c[/tex], the x-intercepts can be found by setting y = 0 and solving for x using the quadratic formula.

a. (0, −2) and (0, 1),

Here x - intercepts is 0 as x vale in both points are 0

b. (0, −2) and (0, 2)

Here x - intercepts is 0 as x value in both points are 0

c. (−2, 0) and (2, 0)

x - intercepts are -2 and 2 and is the correct answer.

d.  (−2, 0) and (1, 0)

x - intercepts are -2 and 1 and is the incorrect answer.

Thus, the x-intercepts of the quadratic function shown is (−2, 0) and (2, 0). Hence, option D is correct.

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What are the x-intercepts of the quadratic function?

(graph in attachment)

a. (0, −2) and (0, 1)

b. (0, −2) and (0, 2)

c. (−2, 0) and (2, 0)

d. (−2, 0) and (1, 0)

a. The minimum number of dogs which could have a mass of more than 26 kg is of: 5.

b. The maximum number of dogs that could have a mass of more than 26 kg is of: 16.

The frequency table shows the number of times that each value, or values in each range, appears in the data-set.

A number of 11 weights are between 20 and 30, hence:

Full words "The table shows information about the masses of some dogs.

a) Work out the minimum number of dogs that could have a mass of more than 26 kg

b) Work out the maximum number of dogs that could have a mass of more than 26 kg

Mass, x (kg)  Frequency

0≤x≤10    4

10≤x≤20    8

20≤x≤30   11

30≤x≤40   5

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Answer:

Step-by-step explanationThere are more than 800 species of June bugs known to science and more are discovered every year. Adult beetles are usually blackish or reddish brown in colour, and tend to be very hairy on their fronts:

a) The numbers that can be decomposed in the form 2A + 1 are the ones that are odd when subtracted by 1 and then divided by 2. So, we can check each number to see if it satisfies this condition:

6: (6 - 1)/2 = 2.5 (not a natural number)

8: (8 - 1)/2 = 3.5 (not a natural number)

11: (11 - 1)/2 = 5

16: (16 - 1)/2 = 7.5 (not a natural number)

19: (19 - 1)/2 = 9

22: (22 - 1)/2 = 10.5 (not a natural number)

23: (23 - 1)/2 = 11

So, the three numbers that can be decomposed in the form 2A + 1 are 11, 19, and 23.

b) The numbers in part a) have in common that they are odd.

Answer:

Step-by-step explanation:

Mason subtracted 5 from each side instead of adding 5.

x - 5 < 11

x - 5 + 5 < 11 + 5

x < 16

The number line will have an open circle at 16 since it does not include

16.  It will be shaded to the left from that open circle as it includes

all values less than 16.  

Answer:

A

Step-by-step explanation:

Proofs attached to answer

Answer: 243.617

Step-by-step explanation:

300 = [tex]x[/tex] x (1 + 7/100/4)^(4 x 3)

300 = [tex]x[/tex] x (1.0175)^12

300 = [tex]x[/tex] x 1.231

[tex]x[/tex] = 300/1.231

[tex]x[/tex] = 243.617

7/8 is greater than -0.50, greater than -15/16, and less than -1/4. All of these inequalities are true except for 7/8 being less than -0.60.

To solve the inequality 7/8 < -0.60, we need to manipulate it to get it in the form of an equation. First, we can multiply both sides of the inequality by 8, to get 7 < -8(0.60). Next, we can distribute the negative sign on the right side to get 7 < -4.80. Finally, we can subtract 7 from both sides of the equation to get 0 < -4.80 - 7, which equals 0 < -11.80. This means that 7/8 is not less than -0.60, which is the answer to the inequality.

To confirm this answer, we can also solve the inequality 7/8 > -0.50. Again, we can multiply both sides of the inequality by 8 to get 7 > -8(0.50). We can then distribute the negative sign to get 7 > -4. Now, if we subtract 7 from both sides of the equation, we get 0 > -4 - 7, which equals 0 > -11. This means that 7/8 is indeed greater than -0.50.

To further confirm our answer, we can solve the inequality 7/8 > -15/16.

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The probability that the child must wait at least 9 minutes on a given morning is approximately 0.2231.

Let X be the waiting time at the bus stop. We know that X is exponentially distributed with mean 6 minutes. Therefore, the probability density function (PDF) of X is given by:

f(x) = 1/6 * e^(-x/6) for x >= 0

To find the probability that the child must wait at least 9 minutes, we need to calculate the following probability:

P(X >= 9) = integral of f(x) from 9 to infinity

= integral from 9 to infinity of (1/6 * e^(-x/6)) dx

Using integration by substitution, let u = x/6, du = 1/6 dx, so that:

P(X >= 9) = integral from 3/2 to infinity of e^(-u) du

= [e^(-u)] evaluated from 3/2 to infinity

= e^(-3/2)

≈ 0.2231

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Answer: y=mx+c

m is the gradient, and c is the y-intercept.

lmk if u want me to try to solve it::} (try)

Step-by-step explanation:

The coordinates of Point V, given the base of the triangle and the coordinates of the triangle is  (4, 3).

To find the coordinates of point V, which is the intersection of the height YV and the base XZ, we first need to find the equation of the line XZ and then the equation of the perpendicular line YV.

First, find the slope of XZ:

m_XZ = (y2 - y1) / (x2 - x1) = (1 - 5) / (6 - 2) = (-4) / (4) = -1

We can plug in the coordinates of point X (2, 5) to find b:

5 = -1 x 2 + b

5 = -2 + b

b = 7

So the equation of line XZ is:

y = -x + 7

The equation of line YV is:

y = x - 1

To find the intersection point V, we need to solve the system of equations:

y = -x + 7

y = x - 1

-x + 7 = x - 1

7 = 2x - 1

x = 4

Now plug x back into either equation to find y. We'll use the second equation:

y = 4 - 1

y = 3

So the coordinates of point V are (4, 3).

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The sum of 1/6 and 1/4 is greater than 1/2.

The sum of 1/6 and 1/4 is greater than 1/2. This can be demonstrated with a simple formula and calculation.

To begin, the fraction 1/6 can be written as the decimal 0.1667, and the fraction 1/4 can be written as the decimal 0.25. When these two decimals are added together, the sum is 0.4167. This number can then be converted back into a fraction. 0.4167 can be written as 41/99. When simplified, this fraction is 41/99, which is greater than 1/2 when written as a fraction.

This can be demonstrated with a formula as well. The sum of 1/6 and 1/4 can be written as the equation 1/6 + 1/4 = x. When this equation is solved, the sum is x = 5/12. This fraction can be simplified to 41/99, which is greater than 1/2.

In conclusion, the sum of 1/6 and 1/4 is greater than 1/2. This can be shown with a simple calculation and formula.

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Answer:

x = y = 5

Step-by-step explanation:

This triangle and its markings show that the acute angles are equal. Given that it is a right triangle, this is a 45-45-90 triangle. This also means that the values of x and y are equal. Note that for any triangle, if two angles are equal, then their corresponding side lengths are also equal. The side lengths for this type of triangle follow the pattern s - s - s√2 where the first two are side lengths and last value is the length of the hypotenuse. (s represents the length of a side)

We want to find x and y, so we need the value of s.

s√2 = 5√2
s = 5

Therefore, x = 5, y = 5.