Which is the net of this solid? A pentagonal pyramid is shown. A net is shown with a square in the middle and 4 identical triangles on the 4 sides of the square. A net is shown with a pentagon in the middle and 5 identical triangles on the 5 sides of the pentagon. A net is shown with a triangle in the middle and 3 identical triangles on the 3 sides of the triangle in the middle. A net is shown with a hexagon in the middle and 6 identical triangles on the 6 sides of the hexagon.

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\(join \: bunny \: squad\)

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btw,, the formula you insert is incorrect:)

Answer:

haysst pa brainliest po

salamat sa ponts

Answer:

Step-by-step explanation:

a) The critical t-values are approximately -3.182 and +3.182.

b) If a type I error is committed in this test, it means that the null hypothesis (H₀) is incorrectly rejected when it is actually true.

Here, we have,

a) To perform a test of significance to determine whether the mean amount of juice dispensed is different from 12.1 fluid ounces at =0.05, we can follow these steps:

Given:

Sample mean (x) = 12.05 fluid ounces

Standard deviation (s) = 0.085 ounce

Sample size (n) = 4

Population mean (μ) = 12.1 fluid ounces

Step 1: State the hypotheses.

Null hypothesis (H₀): The mean amount of juice dispensed is equal to 12.1 fluid ounces. (μ = 12.1)

Alternative hypothesis (H₁): The mean amount of juice dispensed is different from 12.1 fluid ounces. (μ ≠ 12.1)

Step 2: Select a significance level.

The significance level (α) is given as 0.05.

Step 3: Compute the test statistic.

Since the population standard deviation is unknown and the sample size is small (n < 30), we'll use a t-test.

The formula for the t-test statistic is:

t = (x - μ) / (s / √n)

Plugging in the values:

t = (12.05 - 12.1) / (0.085 / √4)

Step 4: Determine the critical value.

Since it's a two-tailed test and α = 0.05, we divide the significance level by 2 to get α/2 = 0.025.

The degrees of freedom (df) for a sample size of 4 is n - 1 = 3.

We can find the critical t-values using a t-table or a t-distribution calculator.

For α/2 = 0.025 and df = 3,

the critical t-values are approximately -3.182 and +3.182.

Step 5: Make a decision.

If the calculated t-value falls within the critical region (beyond the critical t-values), we reject the null hypothesis. Otherwise, we fail to reject the null hypothesis.

Step 6: Calculate the p-value.

Alternatively, we can calculate the p-value associated with the t-value and compare it to the significance level. If the p-value is less than the significance level (0.05), we reject the null hypothesis.

Without the specific values for the mean, standard deviation, and sample size, it is not possible to perform the calculations required for Steps 3-6. Please provide those values, and I can help you complete the test of significance.

b) If a type I error is committed in this test, it means that the null hypothesis (H₀) is incorrectly rejected when it is actually true. In the context of the situation, this would lead to the machine being shut down for recalibration even though there is no convincing evidence that the mean amount of juice dispensed is different from 12.1 fluid ounces. It would result in unnecessary machine downtime and potential costs for recalibration.

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complete question:

A bottle-filling machine is set to dispense 12.1 fluid ounces into juice bottles. To ensure that the machine is filling accurately, every hour a worker randomly selects four bottles filled by the machine during thepast hour and measures the contents. If there is convincing evidence that the mean amount of juice dispensed is different from 12.1 ounces, the machine is shut down for recalibration. It can be assumed that the amount of juice that is dispensed into bottles is normally distributed. During one hour, the mean number of fluid ounces of four randomly selected bottles was 12.05 and the standard deviation was 0.085 ounces.

a) Perform a test of significance to determine whether the mean amount of juice dispensed is different from 12.1 fluid ouncesat=0.05.

b) Suppose you commit a type I error in this test, what would be a logical consequence of the machine given the context of the situation?

Answer:

2480, 2444, 30073, 4761, 117660

Step-by-step explanation:

Answer:

l=1

b =1

h=1

vol=l×b×h

=1×1×1

=1

Answer:

8y = 9x - 7

Step-by-step explanation:

perpendicular means we take the slope as the negative reciprocal.

so

slope is 9/8

y=mx+b

b is -7/8

so the answer is

y=(9/8)x - 7/8

or 8y = 9x - 7

The range of the quadratic function y = (2 / 3) · x² - 6 is {- 6, 0, 18, 48}.

In this case we have a quadratic equation whose domain is stated. The domain of a function is the set of x-values associated to only an element of the range of the function, that is, the set of y-values of the function. We proceed to evaluate the function at each element of the domain and check if the results are in the choices available.

x = - 9

y = (2 / 3) · (- 9)² - 6

y = 48

x = - 6

y = (2 / 3) · (- 6)² - 6

y = 18

x = - 3

y = (2 / 3) · (- 3)² - 6

y = 0

x = 0

y = (2 / 3) · 0² - 6

y = - 6

x = 3

y = (2 / 3) · 3² - 6

y = 0

x = 6

y = (2 / 3) · 6² - 6

y = 18

x = 9

y = (2 / 3) · 9² - 6

y = 48

The range of the quadratic function y = (2 / 3) · x² - 6 is {- 6, 0, 18, 48}.

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Answer: Simplified it would be 103,743

Hope this helps! :)

Answer: $110

Step-by-step explanation: 50+10*6=50+60=110

AB and BC are tangents to P.  The value of x is 3200

AB and BC are tangents to PThe below-given diagram is as follows: AB and BC are two tangents to point P on the circle with center O. To find the value of x, we need to apply a theorem.

Theorem: The tangent at any point of a circle is perpendicular to the radius through the point of contact.Proof: Given a circle with center O. Let the tangent be AB and it touches the circle at point P.Let OP be the radius. Join PA and PB. It is to be proved that OA is perpendicular to AB.

Because OP is the radius of the circle, then OP is perpendicular to AB.To prove the theorem, we only need to show that OA coincides with OP.

Construction: Join OA and extend it to meet AB at Q. To prove that OP coincides with OA, we need to show that OP = OA. Join PB and extend it to meet OA at R. By the Angle Sum Property of a Triangle in ∆OAP,

∠POA + ∠OPA + ∠OAP = 180°

By the Angle Sum Property of a Triangle in ∆OPB,

∠PBO + ∠PBO + ∠OBP = 180°

Because O is the center of the circle, hence OP is equal to OB. Therefore,

∠POA + ∠OPA + ∠OAP = ∠PBO + ∠PBO + ∠OBP∠POA + ∠OPA + 90° = ∠PBO + ∠PBO + 90°

Adding 90° to both sides,

∠POA + ∠OPA + 180° = ∠PBO + ∠PBO + 180°∠POA + ∠OPA = ∠PBO + ∠PBO ……….. (1)

In ∆POR,

∠ROP + ∠RPO + ∠POR = 180°

∠ROP + 90° + ∠POR = 180°

∠ROP + ∠POR = 90° ……….. (2)

In ∆ROB,

∠ORB + ∠RBO + ∠OBM = 180°

∠ORB + 90° + ∠OBP = 180°

∠ORB + ∠OBP = 90° ……….. (3)

From equation (1), we have

∠POA + ∠OPA = ∠PBO + ∠PBO

From equation (2) and (3), we have

∠ROP + ∠POR = ∠ORB + ∠OBP

Substituting, we get

∠ROP + ∠POR = ∠ORB + ∠OBP∠ROP + ∠POR = ∠ROP + ∠RBO∠POR = ∠RBO ……….. (4)

Now, In ∆RPO and ∆RBO

∠RPO = ∠RBO (From equation 4)

∠POR = ∠OBP∆RPO ≅ ∆RBO(OP = OB,

∠RPO = ∠RBO, ∠POR = ∠OBP)RP = RB ……….. (5)

Therefore, OAPB is a parallelogram(OP || AB). From the figure, we can see that 13,200 = x + 9,000. Simplifying, we have:

3200 = x

Therefore, x = 3200Thus, the value of x is 3200.

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Complete Question

The complete question is: "In the given diagram, AB and BC are tangents to point P on the circle with center O. The value of x is 3200. What is the value of x?"

Answer:

The answer is $2.14 per pound of apples.

Step-by-step explanation:

7.29/3.4= roughly 2.14.

Answer:

is 24.786

Step-by-step explanation:

multiply the numbers and that's how you get your answer and I use my calculator so I know the answer is 24.786

Equation: y * 5 = 85

In this equation, 'y' represents the number of learners in class 9T, and '5' represents the number of pencils each learner receives. The equation states that the product of the number of learners (y) and the number of pencils each learner receives (5) is equal to the total number of pencils (85) that Mrs. Leclerc shares among the learners.

This equation can be used to solve for the value of 'y' by dividing both sides of the equation by 5. By doing so, we can determine the number of learners in class 9T based on the given information about the number of pencils shared.

For example, if we divide 85 by 5, the result is 17. Therefore, there are 17 learners in class 9T.

In summary, the equation y * 5 = 85 represents the situation where Mrs. Leclerc shares 85 pencils between the learners in class 9T, with each learner receiving 5 pencils. By solving the equation, we can find the number of learners in the class, which in this case is 17.

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Answer:

slope = - 3

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)

with (x₁, y₁ ) = (- 6, 6) and (x₂, y₂ ) = (- 3, - 3)

m = \(\frac{-3-6}{-3-(-6)}\) = \(\frac{-9}{-3+6}\) = \(\frac{-9}{3}\) = - 3

Answer:

pi r squared

Step-by-step explanation:

A=pir2

pi is 3.14

hope it helps

For the polygon the individual value of the interior angles.

a) 15 sides is 145°

b) 20 sides is 108°

c) 3 sides is 60°

d) 4 sides is 90°

e) 100 sides is 18°

A regular polygon is one where all sides are the same length and all interior angles are the same. The number of sides of a regular polygon can affect the value of its interior angles.

a) 15 sides: The sum of the interior angles of a regular polygon with 15 sides is equal to 2180 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 2180 / 15 = 145 degrees per angle.

b) 20 sides: The sum of the interior angles of a regular polygon with 20 sides is equal to 2160 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 2160 / 20 = 108 degrees per angle.

c) 3 sides: The sum of the interior angles of a regular polygon with 3 sides is equal to 180 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 180 / 3 = 60 degrees per angle.

d) 4 sides: The sum of the interior angles of a regular polygon with 4 sides is equal to 360 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 360 / 4 = 90 degrees per angle.

e) 100 sides: The sum of the interior angles of a regular polygon with 100 sides is equal to 1800 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 1800 / 100 = 18 degrees per angle.

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The probability that a CD will last less than 3 years is approximately 86.65%.

The probability can be determined using the standard normal distribution. Given that the CD's lifespan follows a normal distribution with a mean of 4 years and a standard deviation of 0.8 years, we need to find the z-score for 3 years. The z-score formula is calculated as (x - μ) / σ, where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation.

For 3 years, the z-score is (3 - 4) / 0.8 = -1.25. Using a standard normal distribution table or a calculator, we can find that the probability corresponding to a z-score of -1.25 is approximately 0.1056 or 10.56%.

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Answer:

By making x = -3

Step-by-step explanation:

If X was -3 then -3 plus 3 equals 0, and 2 multiplied by 0 is 0, so the problem will have no solution.

Hope this helps! :)

Answer:

first it's adding 4 then it starts adding 8

Step-by-step explanation:

Answer:

If your data represents the following X, Y coordinates (11, 2), (15, 10), and (19, 18) then the slope can be calculate

X = 11 15 19

Y = 2 10 18

m = (y2 -y1)/(x2 - x1)

m = (10 - 2)/(15 - 11)

M = 8/4 = 2

I hope you find this useful.

If your data represents the following X, Y coordinates (11, 2), (15, 10), and (19, 18) then the slope can be calculate

X = 11 15 19

Y = 2 10 18

m = (y2 -y1)/(x2 - x1)

m = (10 - 2)/(15 - 11)

M = 8/4 = 2

I hope you find this useful.

Step-by-step explanation:

When testing the claim that σ21≠σ22, the null hypothesis states that the variances of the two populations are equal, while the alternative hypothesis states that the variances are not equal. To test this claim, we use an F-test, which involves calculating the ratio of the variances of the two samples.

If the test statistic is f=1, this means that the ratio of the variances is equal to 1. This indicates that there is no significant difference between the variances of the two populations. In other words, we cannot reject the null hypothesis that the variances are equal.
However, it is important to note that a test statistic of f=1 does not necessarily mean that the two samples are identical. It is possible for two samples to have slightly different variances that still result in a test statistic of f=1. Additionally, a sample size that is too small or too large can affect the accuracy of the F-test.
Overall, if the test statistic is f=1 when testing the claim that σ21≠σ22, we can conclude that there is not enough evidence to support the alternative hypothesis that the variances are different.

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The value of x after the following code 'int x = 10; for (int y=5; y<20; y = 5) x = y' is executed will be 5.

The given for loop initializes the variable y to 5, then checks if y is less than 20, and then sets y to 5 again in each iteration. This means that the loop will execute only once with the value of y being 5, and after that, the loop condition will always be false because y is never incremented or changed in any way.

During the execution of the loop, the value of y is assigned to the variable x. Therefore, after the loop, the value of x will be 5.

So, the final value of x will be 5.

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Answer:

Napagaralan nmin yan

Step-by-step explanation:

Nakalimutan ko na

Therefore , the solution to the given problem of surface area is the sector's area is 12 square centimeters.

Surface is a unit used to describe how much overall space a object's surface occupies. A three-dimensional shape's surface area is equal to the sum of its surroundings. The overall surface region of a tri shape is referred to as surface area. The surface area of a cube with six square faces can be calculated by adding up each face's specific area. As an alternative, you can identify the box's measurements using the formula below: Surface (SA) is equal to two times two times two. The total amount of space that a three-dimensional shape takes up is used to determine its surface area.

Here,

The parameters in this case are:

Radius, r = 12 Angle, x = /6

The sector's geographic area is

A = (1/2) × r^2x

We thus have:

A = (1/2) × 12^2 * π/6

Evaluate

A = 12π

Therefore , the solution to the given problem of surface area is the sector's area is 12 square centimeters.

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Consequently, the sector's area is 12 square centimeters in which the parameters are Radius, r = 12 Angle, x =π /6 .

A circle is created when every place in the line that is a specific distance apart from another point does so (center). As a result, it is a curve made up of points that are spaced apart from one another in the plane. It is rotationally symmetric the about center at all angles. Every pair of endpoints in the plane that make up a circle are uniformly distributed out from the "center" and form a closed, two-dimensional object. A specular symmetries line is produced by a line that passes through the circle. It is rotationally equal about the center at all angles.

given

The parameters are as follows:

Radius, r = 12 Angle, x =π /6

The sector's geographic area is

A = (1/2) × r^2x

We thus have:

A = (1/2) × 12^2 * π/6

Evaluate

A = 12π

Consequently, the sector's area is 12 square centimeters in which the parameters are Radius, r = 12 Angle, x =π /6 .

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Answer:

5 2/3

Step-by-step explanation:

Question 1=  $7,620

Question 2 (a) $3,211

Question 2 (b) $9,828

The closest answer from the given responses would be 0, indicating a very low probability that the total weight of three randomly selected grapefruits is more than 3.4 pounds.

To find the probability, we can calculate the z-score for the value 3.4 using the formula z = (x - μ) / σ, where x is the desired value, μ is the mean, and σ is the standard deviation. Plugging in the values, we have z = (3.4 - 1) / 0.12 = 28.33.

Next, we need to find the probability associated with this z-score. Using a standard normal distribution table or a calculator, we can find the probability corresponding to the z-score of 28.33. However, since the z-score is very large, it is likely to approach the tail of the distribution and the probability will be extremely close to 0.

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Answer:

The angle formed between CF and the plane ABCD is approximately 47.14°

Step-by-step explanation:

The given parameters are;

BC = 6.8

DE = 9.3

∠BAC = 52°

We note that the angles formed by the vertex of a cuboid are right triangles, therefore, by trigonometric ratios, we get;

sin∠BAC = BC/(The length of a line drawn from A to C)

∴ The length of the line drawn from A to C = BC/sin∠BAC

The length of the line drawn from A to C = 6.8/sin(52°) ≈ 8.63

∴ AC = 8.63

By trigonometry, we have;

The angle formed between CF and the plane ABCD = Angle ∠ACF

\(tan\angle X = \dfrac{Opposite \ leg \ length}{Adjacent\ leg \ length}\)

\(tan\angle ACF = \dfrac{FA}{AC}\)

In a cuboid, FA = BG = CH = DE = 9.3

\(\therefore tan\angle ACF = \dfrac{9.3}{8.63}\)

\(\therefore \angle ACF = arctan \left(\dfrac{9.3}{8.63} \right) \approx 47.14^{\circ}\)

The angle formed between CF and the plane ABCD = Angle ∠ACF ≈ 47.14°

Answer: 36.3m

Step-by-step explanation:

To solve this, we can draw two triangle rectangles, where the distance between the man and the base of the tower is one of the cathetus, the adjacent one, the height will be the opposite cathetus.

The triangle where the elevation angle is 58° is associated with the height of the tower without the aerial

The other triangle, where the elevation angle is 63° is associated with the height of the tower with the aerial.

Then we can calculate those two heights, then compute the difference, and the difference will be equal to the height of the aerial.

In both cases we want to calculate the opposite cathetus, then we should use the relation:

Tan(θ) = (Op. cath)/(Adj. cath)

The height without the aerial is h1, let's find it:

Tan(58°) = h1/100m

Tan(58°)*100m = h1 = 160m.

The height with the aerial is h2, let's find it:

Tan(63°) = h2/100m

Tan(63°)*100m = h2 = 196.3m

Then the height of the aerial will be:

h2 - h1 =  196.3m -  160m = 36.3m