PLS HELP IF CORRECT BRAINLIEST -3=-11+√2y

Answers

Answer 1

Answer:

y= 32

Step-by-step explanation:

Answer 2

Answer:

The answer for y is 32

Step-by-step explanation:

-3=-11+√2y

-3+11=√2y

8=√2y

square both sides

8²=√2y²

64=2y

divide both sides by 2

2y/2=64/2

y=32


Related Questions

Form a polynomial f(x) with real coefficients having the given degree and zeros.
Degree​ 4; zeros: -2-5i; 4 multiplicity 2

Answers

The polynomial with degree 4 and the given zeros is f(x) = ((x+2)² + 25)(x-4)²

If a polynomial has complex zeros with non-zero imaginary parts, then the complex conjugate of each complex zero must also be a zero of the polynomial with the same multiplicity.

Therefore, the zeros of the polynomial with degree 4 are:

-2-5i, -2+5i, 4, and 4 (with multiplicity 2).

To find the polynomial, we can start by writing out the factors corresponding to each zero:

(x - (-2-5i))(x - (-2+5i))(x - 4)²

Simplifying the factors, we get:

((x+2)+5i)((x+2)-5i)(x-4)²

Expanding the factors, we get:

((x+2)² - (5i)²)(x-4)²

((x+2)² + 25)(x-4)²

Thus, the polynomial with degree 4 and the given zeros is:

f(x) = ((x+2)² + 25)(x-4)²

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a math 110 student decides to make quarterly payments of $2,500 into a retirement account paying 2% interest per year compounded continuously. if the student continues to make these payments for 40 years, compute each of the following values.

Answers

Answer:

Sure. Here are the values that you requested:

Future Value: The future value of the investment is $1,388,903.23.

Interest Earned: The total interest earned is $1,263,903.23.

Number of Payments: The total number of payments is 160 (40 years * 4 quarters/year).

Average Balance: The average balance of the account is $432,203.28.

Here is the formula that I used to calculate the future value of the investment:

FV = PV * (1 + r)^n

Where:

FV is the future value

PV is the present value (the initial deposit)

r is the interest rate

n is the number of years

In this case, the present value is $2,500, the interest rate is 2%, and the number of years is 40.

FV = 2500 * (1 + 0.02)^40 = 1388903.23

Here is the formula that I used to calculate the interest earned:

Interest = FV - PV

In this case, the future value is $1,388,903.23 and the present value is $2,500.

Interest = 1388903.23 - 2500 = 1263903.23

Here is the formula that I used to calculate the number of payments:

Number of Payments = Years * Periods/Year

In this case, the number of years is 40 and the number of periods per year is 4.

Number of Payments = 40 * 4 = 160

Here is the formula that I used to calculate the average balance of the account:

Average Balance = (PV + FV)/2

In this case, the present value is $2,500 and the future value is $1,388,903.23.

Average Balance = (2500 + 1388903.23)/2 = 432203.28

Step-by-step explanation:

URGENT!!!!! Will give brainliest if correct :)

A regression line has a slope of 1.885. If the mean of the x-coordinates of the data points is 3.448, and the mean of the y-coordinates is 12.318, what is the y-value of the y-intercept of the line to three decimal places?

A. -5.819
B. - 19.771
C.19.771
D. 5.819

Answers

The equation of a regression line can be written in the form y = mx + b, where m is the slope of the line and b is the y-intercept. In this case, the slope m is given as 1.885.

The y-intercept b can be found using the formula b = y_mean - m * x_mean, where x_mean and y_mean are the means of the x-coordinates and y-coordinates of the data points, respectively. Plugging in the given values, we get:

b = 12.318 - 1.885 * 3.448 b ≈ 5.819

So the y-value of the y-intercept of the line to three decimal places is approximately 5.819. The correct answer is D. 5.819.

what are the terminal points determined by π/2, π, −π/2, and 2π?

Answers

angles that differ by a multiple of 2π have the same terminal point, because they complete the same number of full circles around the unit circle.

The terminal point determined by an angle in standard position (i.e., with the initial side along the positive x-axis) is the point where the terminal side of the angle intersects the unit circle. Here are the terminal points determined by π/2, π, −π/2, and 2π:

The angle π/2 (90 degrees) has a terminal point at (0, 1), which is the point on the unit circle that is directly above the origin.

The angle π (180 degrees) has a terminal point at (-1, 0), which is the point on the unit circle that is to the left of the origin.

The angle −π/2 (-90 degrees) has a terminal point at (0, -1), which is the point on the unit circle that is directly below the origin.

The angle 2π (360 degrees) has a terminal point at (1, 0), which is the point on the unit circle that is to the right of the origin.

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if abcd∼efgh, find the value of x​

Answers

The calculated value of x in the similar shapes given that abcd ∼ efgh is 15

Calculating the value of x in the similar shapes

From the question, we have the following parameters that can be used in our computation:

abcd ∼ efgh

By the corresponding ratio of similar shapes, we have the following equation

AB/AD = EF/EH

Using the above as a guide, we have the following:

8/14 = (x - 3)/(x + 6)

Cross multiply the equation

This gives

8(x + 6) = 14(x - 3)

When solved for x, we have

x = 15

Hence, the value of x in the shapes is 15

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from the fictitious study of gender and ear piercing in high school students. what can we conclude? check all that apply group of answer choices the sample provides evidence that is too weak to conclude that gender and ear piercing are dependent in the population of high school students. gender and ear piercing for high school students may be independent. the sample provides strong evidence that gender and ear piercing for high school students are dependent. the differences between observed and expected counts are statistically significant. the differences between observed and expected counts could be attributed to chance variation that occurs in random samples of high school students when gender and ear piercing are independent. conditions are not met for use of the chi-square test of independence. therefore, we cannot draw a conclusion based on this data.

Answers

Based on the fictitious study of gender and ear piercing in high school students, we can conclude that the sample provides evidence that is too weak to conclude that gender and ear piercing are dependent in the population of high school students. Gender and ear piercing for high school students may be independent.

The study did not provide strong evidence that gender and ear piercing for high school students are dependent. In addition, the differences between observed and expected counts could be attributed to chance variation that occurs in random samples of high school students when gender and ear piercing are independent.

Therefore, the conditions are not met for use of the chi-square test of independence, and we cannot draw a conclusion based on this data.

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diego bought a 3-kilogram bag of carrots from the grocery store. he added 0.8 kilograms of carrots to a pot of vegetable soup. then, he grated 400 grams of carrots for his carrot cake. how many kilograms of carrots does he have left?

Answers

Therefore, Diego has 1.8 kilograms of carrots left.

Diego initially had 3 kilograms of carrots. He used 0.8 kilograms for the soup and 0.4 kilograms (400 grams) for the carrot cake.

So the total amount of carrots he used is:

0.8 + 0.4 = 1.2 kilograms

To find out how many kilograms of carrots he has left, we can subtract the amount he used from the initial amount:

3 - 1.2 = 1.8 kilograms

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What are the x-intercepts of the parabola? graph of parabola falling from the left, passing through 3 comma 2 to about 4 and one half comma negative one fourth, and rising to the right, passing through 6 comma 2
a (4.5, 0) and (5, 0)
b (0, 4.5) and (0, 5)
c (0, 5) and (0, 4)
d (5, 0) and (4, 0)

Answers

ANSWER:

a

(4.5, 0) and (5, 0)

EXPLANATION:

The x-intercept of the parabola represents the point where the parabola graph intersects the x-axis. In other words, these are the x values where the y coordinate is 0.

Using the information given, we can observe that the parabola falls from the left, passes through the point (3, 2), reaches the minimum point, then rises to the right and passes through the point (6, 2) .

Since the parabola intersects the x-axis at the x-intercept, we can conclude that the x-intercept is the point where the y-coordinate is 0. In this case, x values of 4.5 and 5 will have a y coordinate of zero. So the x-intercepts of the parabola are (4,5,0) and (5,0). 

which of the following is false about the margin of error of a confidence interval? as sample size increases, margin of error increases as well. as confidence level increases, margin of error increases as well. as standard deviation of the sample increases, margin of error increases as well.

Answers

The margin of error of a confidence interval is affected by multiple factors, including sample size, confidence level, and standard deviation. Understanding these relationships is essential for making accurate and reliable statistical inferences.

The margin of error of a confidence interval is a measure of the range of values within which the true population parameter is likely to lie. It reflects the amount of sampling error in the estimation process and is influenced by several factors.
Regarding the question, it is false that as sample size increases, the margin of error increases as well. In fact, the opposite is true. As the sample size increases, the margin of error decreases, since larger samples provide more information and reduce the uncertainty in the estimation. This relationship is inversely proportional and can be quantified by the formula: margin of error = z* (standard deviation / sqrt(n)), where z* is the critical value for the desired confidence level, n is the sample size, and standard deviation is the variability of the population.
On the other hand, it is true that as confidence level increases, the margin of error increases as well. This is because a higher confidence level requires a wider interval to capture a larger proportion of the population values, which results in a larger margin of error. For instance, a 99% confidence interval will be wider than a 95% confidence interval for the same sample size and standard deviation.
Finally, it is also true that as standard deviation of the sample increases, the margin of error increases as well. This is because a larger standard deviation implies a greater variability in the population and more uncertainty in the estimation, which requires a wider interval to account for the potential values. Thus, a larger standard deviation leads to a larger margin of error for the same sample size and confidence level.

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In 2010, the population of a city was 246,000. From 2010 to 2015, the population grew by 7%. From 2015 to 2020, it fell by 3%. To the nearest 100 people, what was the population in 2020?

Answers

The population of the city  in 2020 is approximately 255 100

How to determine the population in 2020

To find the population in 2020 we first need to find the population in 2015 after the 7% growth from 2010.

Population in 2015 = 246 000 + 0.07 x 246 000 = 263,220

we need to find the population in 2020 after the 3% decrease from 2015

Population in 2020 = 263 220 - 0.03 x 263,220 = 255 027.6

Rounding to the nearest 100 people the population in 2020 is approximately 255 100

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How to calculate the Area of a cylinder

Answers

Answer:

Surface area of cylinder = 2 π r ² +2 π r h

Step-by-step explanation:

Surface area of cylinder =

area of both circle ends + area of curved surface

= 2 π r ² +2 π r h

ABCD IS A KITE. (4x-2)cm A B AB= (4x-2) cm Jasper says that x could be 0.5 (a) Explain why Jasper cannot be correct.​

Answers

Answer:

because if you substitute 0.5 for x you get zero as a result

Step-by-step explanation:

ABCD IS A KITE. (4x-2)cm A B AB= (4x-2) cm Jasper says that x could be 0.5 (a) Explain why Jasper cannot be correct.​

I answer for what I understand, the question is not clear

because if you substitute 0.5 for x you get zero as a result

(4x - 2) =

4 × 0.5 - 2 =

2 - 2 = 0

the length of a pregnancy from conception to birth is approximately normally dis- tributed with a mean of 272 days and a standard deviation of 9 days. a pregnancy is considered full-term if it lasts between 252 days and 298 days. what percentage of pregnancies are full-term?

Answers

The length of a pregnancy from conception to birth follows a normal distribution with a mean (μ) of 272 days and a standard deviation (σ) of 9 days. To find the percentage of pregnancies that are full-term, we need to calculate the probability of a pregnancy lasting between 252 and 298 days.


First, convert the days into z-scores:

z1 = (252 - μ) / σ = (252 - 272) / 9 ≈ -2.22
z2 = (298 - μ) / σ = (298 - 272) / 9 ≈ 2.89

Next, use a standard normal distribution table to find the probabilities corresponding to the z-scores:

P(z1) ≈ 0.0132
P(z2) ≈ 0.9981

To find the percentage of pregnancies that are full-term, subtract the lower probability from the higher probability:

Percentage = (P(z2) - P(z1)) × 100% = (0.9981 - 0.0132) × 100% ≈ 98.49%

Approximately 98.49% of pregnancies are full-term, lasting between 252 and 298 days.

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Use the unit circle to find the value of tan⁡ 315˚. Show work

Answers

Answer:

Rotate 'r' anticlockwise to form 315° angle with the positive x-axis. The tan of 315 degrees equals the y-coordinate(-0.7071) divided by x-coordinate(0.7071) of the point of intersection (0.7071, -0.7071) of unit circle and r.

Step-by-step explanation:

basicly what I said

Jamie had a bag filled with sour candies. There were 3 lemon-lime, 6 watermelon, and 5 grape sour candies. What is the correct sample space for the sour candies in the bag?

Sample space = lemon-lime, watermelon, grape
Sample space = lemon-lime, lemon-lime, lemon-lime, watermelon, watermelon, watermelon, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape
Sample space = 3, 5, 6
Sample space = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

Answers

The Sample space includes all possible combinations of the three types of sour candies, taking into account that there can be multiple candies of the same type in the bag.

The correct sample space for the sour candies in the bag is:

Sample space = {lemon-lime, watermelon, grape, lemon-lime, watermelon, grape, lemon-lime, watermelon, grape, lemon-lime, watermelon, grape, lemon-lime, watermelon, grape}

Each element in the sample space represents a different possible outcome of selecting a sour candy from the bag. The sample space includes all possible combinations of the three types of sour candies, taking into account that there can be multiple candies of the same type in the bag.

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The correct sample space for the sour candies in the bag is (c)  Sample space = lemon-lime, lemon-lime, lemon-lime, watermelon, watermelon, watermelon, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape

What is the correct sample space for the sour candies in the bag?

from the question, we have the following parameters that can be used in our computation:

3 lemon-lime, 6 watermelon, and 5 grape sour candies

The correct sample space for the sour candies in the bag is the list of items in the bag

So, we have

Sample space = lemon-lime, lemon-lime, lemon-lime, watermelon, watermelon, watermelon, watermelon, watermelon, watermelon, grape, grape, grape, grape, grape

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Draw the triangle and label all parts.

Triangle ABC is a right triangle.

Angle A = 18 degrees

Angle B = 90 degrees

AC = 25 cm

Find AB. Do not label. Round your final answer to the nearest tenth.

Answers

The Length of side AB is approximately 72.4 cm.

To draw triangle ABC, we can start by drawing a straight line AB and then drawing a perpendicular line segment BC that meets AB at a 90-degree angle. This gives us a right triangle where angle B is 90 degrees. Finally, we can draw a line segment AC to connect points A and C, making sure that the length of AC is 25 cm since that is given in the problem.

To label the parts of the triangle, we can use the following conventions:

- Side AB is the hypotenuse of the right triangle and is opposite the right angle B.

- Angle A is opposite side AC, and angle C is opposite side BC.

Using this labeling convention, we can write:

- AB is the hypotenuse.

- AC is the side opposite angle A.

- BC is the side opposite angle C.

To find the length of AB, we can use the trigonometric ratio for the sine of angle A:

sin A = opposite / hypotenuse

sin 18 = AC / AB

Multiplying both sides by AB, we get:

AB * sin 18 = AC

Substituting the value of AC as 25 cm, we get:

AB * sin 18 = 25

Dividing both sides by sin 18, we get:

AB = 25 / sin 18

Using a calculator, we can evaluate this to get:

AB ≈ 72.4 cm (rounded to the nearest tenth)

Therefore, the length of side AB is approximately 72.4 cm.

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Find area of pqrs, leave answer in simplest radical form

Answers

The required area of the trapezoid PQRS is 144+72√3 square units. Option A is correct.

Area of trapezoid PQRS = [PQ+RS]/2 * QB

We are given PQ=18, QR = 24

The vertical line from Q to line SR is given as,
sin30 = V/24
V = 12
And horizontal measure over SR is given as,
cos30 = H/QR
H = 12√3

The length of QR is given as,
QR = 6 + 12√3

Area of trapezoid PQRS = [PQ+RS]/2 * QB
                                        = [18+6+12√3]/2*12
                                        = 144+72√3

Thus, the required area of the trapezoid PQRS is 144+72√3 square units.

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Explain step by step​

Answers

Answer:

$40

Step-by-step explanation:

money made = $800 × 5%

                      = $800 × [tex]\frac{5}{100}[/tex] = $8 × 5 = $40

Given the unit conversion 3 teaspoons = 15 milliliters
(mL), convert 61.4 mL to teaspoons.

Answers

Answer:

307.5 milliliters

Step-by-step explanation:

Ratio 3:15, 1:5

61.4 is 1 un 1:5

61.5 x 5= 307.5

307.5 milliliters

Three tenis balls are stored in a cylindrical container with a height of 8. 6 inches and a radius of 1. 39 inches. The circumference of a tennis ball is 8 inches. Find the amount of space within the cylinder not taken up

Answers

The space within the cylinder not taken up by the three tennis balls can be found by first determining the volume of the cylinder and the total volume of the three tennis balls.

The volume of the cylinder is given by the formula:

V_cylinder = πr^2h

where r is the radius and h is the height. Substituting the given values, we get:

V_cylinder = π(1.39)^2(8.6) = 50.168 cubic inches

The total volume of the three tennis balls can be found by multiplying the volume of one tennis ball by three. The volume of a tennis ball can be approximated by the formula for the volume of a sphere:

V_ball = (4/3)πr^3

where r is the radius. Since the circumference of a tennis ball is 8 inches, we can solve for the radius using the formula:

C = 2πr

8 = 2πr

r ≈ 1.27 inches

Substituting this value, we get:

V_ball = (4/3)π(1.27)^3 ≈ 8.48 cubic inches

Therefore, the total volume of the three tennis balls is:

V_total = 3V_ball = 25.44 cubic inches

Finally, we can find the amount of space within the cylinder not taken up by the tennis balls by subtracting the total volume of the tennis balls from the volume of the cylinder:

V_not_taken_up = V_cylinder - V_total = 50.168 - 25.44 = 24.728 cubic inches

Therefore, the amount of space within the cylinder not taken up by the tennis balls is approximately 24.728 cubic inches.

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can you help me with math

Answers

The linear function which represents the total cost is:

c = 11.95 + 48t

How to determine which linear function represents the total cost?

The general form of linear function is:

c = mt + b

where m is the cost per ticket

b is the service fee ($11.95)

Total cost of 4 tickets = $203.95

Cost of 4 tickets without service fee =  $203.95 - $11.95 = $192

Cost per ticket (m) =  $192/4 = 48

Thus, the linear function which represents the total cost will be:

c = 48t + 11.95

c = 11.95 + 48t  (When rearranged)

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A ferry traveled 1/6 of the distance between two ports 3/7 hour. The ferry travels at a constant rate . At this rate, what fraction of the distance between the two ports can the ferry travel in one hour?





start fraction, 3, divided by, 7, end fraction hour. The ferry travels at a constant rate.
At this rate, what fraction of the distance between the two ports can the ferry travel in one hour?

Answers

The ferry can travel 7/18 of the distance between the two ports in one hour.To determine the fraction of the distance between the two ports that the ferry can travel in one hour, we need to find the rate at which the ferry is traveling.

We know that the ferry traveled 1/6 of the distance between the two ports in 3/7 hour. This information allows us to find the rate of the ferry's travel.

The formula to calculate rate is:

Rate = Distance / Time

Let's assume the total distance between the two ports is represented by D. Therefore, the distance traveled by the ferry is 1/6 of D. Similarly, the time taken is 3/7 hour.

Plugging these values into the formula, we get:

Rate = (1/6)D / (3/7) = (1/6)D * (7/3) = (7/18)D

The rate of the ferry's travel is (7/18)D.

To find the fraction of the distance the ferry can travel in one hour, we need to divide the distance traveled in one hour by the total distance:

Fraction = Distance in one hour / Total Distance = Rate / D = (7/18)D / D = 7/18.

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alison made a three-layer gelatin dessert that was 15 cm long by 10 cm wide. the heights of the layers were 3 cm,2 cm, and 1 cm.a 3-layer prism. the bottom layer has a length of 15, height of 3, and width of 10. the middle layer has a length of 15, height of 2, and width of 10. the top layer has a length of 15, height of 1, and width of 10.what is the total volume?the volume of the bottom layer is 150 cm3.the volume of the middle layer is cm3.the volume of the top layer is cm3.the total volume is 900 cm3.

Answers

Answer:

3rd layer: 450

2nd layer: 300

1st layer: 150

Total: 900

Step-by-step explanation:

got it correct!

The total volume of the three-layer gelatin dessert is 900 cm³.

What is Volume?

The space occupied within the boundaries of an object in three-dimensional space is known as volume.

To calculate the volume of each layer, we multiply the length, width, and height of each layer.

The volume of the bottom layer:

Volume = length × width × height

Volume = 15 cm × 10 cm×3 cm

Volume = 450 cm³

The volume of the middle layer:

Volume = length×width × height

Volume = 15 cm× 10 cm ×2 cm

Volume = 300 cm³

The volume of the top layer:

Volume = length×width × height

Volume = 15 cm × 10 cm× 1 cm

Volume = 150 cm³

To find the total volume, we add up the volumes of each layer:

Total Volume = 450 cm³ + 300 cm³ + 150 cm³

Total Volume = 900 cm³

Hence, 900 cm³ is the total volume of the three-layer gelatin dessert.

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Which statement about the the slopes of JL and MP are true

Answers

A statement about the the slopes of JL and MP that is true include the following: A. The slope of JL is the same as the slope of MP because △JKL is similar to △MNP.

What are the properties of similar triangles?

In Mathematics and Geometry, two (2) triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.

Additionally, the lengths of corresponding sides or corresponding side lengths are proportional to the lengths of corresponding altitudes when two (2) triangles are similar and the slopes of side JL and side MP are equal;

Slope of side MP = NP/MN

Slope of side JL = KL/JK

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Write two different quadratic functions whose graphs pass through (4,0) and (1,0)

Answers

The quadratic equation of function in the standard form is Y = -1.25 x² + 5x.

Since quadratic equation's x-intercepts are (-5, 0). That indicated that the quadratic equation's two elements are (x + 5) and (x -0).

f(x) = a (x + 5) (x - 0) (x - 0)

= ax+5a

The quadratic equation's graph goes through (4, 0). thus, we must change equation 1 to read x = 4 and f(x) = 0.

0 = a × 4² + (5 × 4)

0 = a × 16 +20

The quadratic equation is known to have the form ax² + bx + c = 0.

f(x) = -1.25 + 5x  

Consider y= F(x)

∴ Y = -1.25 x² + 5x.

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for the independent-measures t statistic, what is the effect of increasing the difference between sample means?

Answers

The increasing the difference between sample means will result in a larger t statistic. This means that the difference between the two sample means is more likely to be statistically significant and less likely to be due to chance.

the t statistic is calculated by taking the difference between the sample means and dividing it by the standard error of the difference. When the difference between sample means increases, the numerator of the t statistic increases, while the denominator (the standard error) remains relatively constant. This leads to a larger t statistic and a smaller p-value, indicating stronger evidence against the null hypothesis.

increasing the difference between sample means has a significant effect on the independent-measures t statistic. It increases the strength of the evidence against the null hypothesis, making it more likely that the difference between the two groups is real and not due to chance.

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HELP PLEASE!!!!!!!!!!!!

Answers

Answer:

Anything you want

Step-by-step explanation:

This is a problem where you have your own choice about whether you agree or disagree with the choice.

A: Scribe
B: Sage
4) Ava is at a Maroon 5 concert and is sitting 60 meters above the
ground floor. If the distance between Ava and Maroon 5 is 135
meters, what is the measure of the angle of depression? Round to
the nearest whole degree.

Answers

The measure  f the angle of depression is 66 degrees

How to determine the value

To determine the value of the angle, we need to know that there are six different trigonometric identities.

These identities are enumerated as;

sinecosinetangentcotangentsecantcosecant

From the information given, we have that;

The adjacent side = 60 meters

The opposite side = 135 meters

Using the tangent identity, we have that;

tan θ = 135/60

Divide the values, we have;

tan θ = 2. 25

Find the tangent inverse of the value

θ = 66. 0 degrees

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Note: The information given does not require diagrams and thus is self - explanatory.

each user on a computer system has a password, which is 6 to 8 characters long, where each character is anuppercase letter or a digit. each password must contain at least one digit. how many possible passwords arethere?

Answers

The total number of possible passwords can be calculated by finding the number of possible combinations for each character position in the password and multiplying them together.

Since each character can be an uppercase letter or a digit, there are a total of 36 possible characters (26 letters + 10 digits). The number of passwords that do not contain any digits can be found by calculating the number of possible passwords with only uppercase letters (26 possible characters) and then multiplying it by the number of possible positions in the password (6 to 8 characters).  Therefore, the total number of possible passwords is: 36⁶ + 36⁷ + 36⁸ - 26⁶ - 26⁷ - 26⁸
= 2,176,782,336 + 78,364,164,096 + 2,821,109,907,456 - 308,915,776 - 8,031,810,176 - 208,827,064,576
= 2,584,618,967,360
So there are a total of 2,584,618,967,360 possible passwords that meet the given criteria.

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if you flip a coin 40 times and get heads every time. what is the likelihood of flipping a tails the 41st time

Answers

The probability of getting tails on the 41st flip remains the same as any other individual flip: 0.5 or 50%.

When you flip a fair coin, there are two possible outcomes: heads (H) or tails (T). Since it's a fair coin, each outcome has an equal probability of occurring, which is 0.5 or 50%.

Now, let's consider the scenario you mentioned. You have already flipped the coin 40 times, and each time it landed on heads (H). In this case, the probability of getting heads on each of those 40 flips is (0.5)⁴⁰, which is an incredibly small probability because it's unlikely to get heads on 40 consecutive flips of a fair coin.

However, the key point is that each coin flip is an independent event. The outcome of one flip does not affect the outcome of the next flip. So, regardless of the previous 40 flips landing on heads, the probability of getting tails on the 41st flip is still 0.5 or 50%. The coin has no memory of the previous flips and doesn't "know" that it needs to "balance out" the previous heads with a tails.

Therefore, the probability of getting tails on the 41st flip remains the same as any other individual flip: 0.5 or 50%.

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