HELPP ME QUICK PLSSS I WILL HAVE A BREAKDOWN RN I NEED IT PLSS NOW I WOULD PUT YOU BRAINIEST PLSSS HELPP NOW What is the slope-intercept equation of the line below?

If the shape is made up of one half-circle attached to an equilateral triangle with side lengths 20 inches then, the perimeter of the shape is 91.4 inches.

To find the perimeter of the shape, we need to know the length of the curved boundary (the circumference of the half-circle) and the length of the straight boundary (the perimeter of the equilateral triangle).

The radius of the half-circle is half the length of the side of the equilateral triangle, which is 10 inches. Therefore, the circumference of the half-circle is:

C = πr = π(10) = 31.4 inches.

The perimeter of the equilateral triangle is 3 times the length of one side, which is 20 inches. Therefore, the perimeter of the triangle is:

P = 3s = 3(20) = 60 inches

Finally, the perimeter of the entire shape is the sum of the lengths of the curved and straight boundaries:

Perimeter = C + P = 31.4 + 60 = 91.4 inches.

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Complete Question

This shape is made up of one half-circle attached to a square with side lengths 11 inches. Find the perimeter of the shape.

You can use 3.14 as an approximation for π. help i don't know it.

Step-by-step explanation:

these are triangles.

for triangle EFG we have

EF = sqrt((6 - 9)² + (2 - 2)²) = sqrt(9) = 3

EG = sqrt((6 - 8)² + (2 - 7)²) = sqrt(4 + 25) = sqrt(29)

FG = sqrt((9 - 8)² + (2 - 7)²) = sqrt(1 + 25) = sqrt(26)

for triangle HIJ we have

HI = sqrt((0 - 0)² + (0 - 3)²) = sqrt(9) = 3

HI corresponds to EF.

now, J = (x, y) with the same side lengths to H and I, as G to E and F.

so,

HJ = sqrt((0 - x)² + (0 - y)²) = sqrt(29)

but it could be also

HJ = sqrt((0 - x)² + (0 - y)²) = sqrt(26)

in the same way

IJ = sqrt((0 - x)² + (3 - y)²) = sqrt(29)

but it could be also

IJ = sqrt((0 - x)² + (3 - y)²) = sqrt(26)

we just have to make sure that they are different.

for HJ we get

sqrt(x² + y²) = sqrt(29) or sqrt(26)

x² + y² = 29 or 26

for IJ we get

sqrt(x² + (3 - y)²) = sqrt(29) or sqrt(26)

x² + (3 - y)² = 29 or 26

x² + 9 - 6y + y² = 29 or 26

let's start with

x² + y² = 29

y² = 29 - x²

y = sqrt(29 - x²)

this gives us for the second case

x² + 9 - 6y + y² = 26

x² + 9 - 6sqrt(29 - x²) + 29 - x² = 26

-6sqrt(29 - x²) + 29 = 17

-6sqrt(29 - x²) = -12

sqrt(29 - x²) = 2

29 - x² = 4

-x² = -25

x² = 25

x = ±5

remember, the solution to a square root always has a positive and a negative value, as the square of them is the same.

out of

x² + y² = 29

we get now

5² + y² = 29

25 + y² = 29

y² = 4

y = ±2

out of the ±5, ±2 combinations we need to verify also with

x² + 9 - 6y + y² = 26

we see, x = ±5, y = +2 this is correct

25 + 9 - 12 + 4 = 26

but for x = ±5, y = -2 this fails

25 + 9 + 12 + 4 = 26

50 = 26 is wrong.

so, we get for

HJ = sqrt(29), IJ = sqrt(26) the possible solutions

J = (5, 2), J = (-5, 2)

now, let's look at

x² + y² = 26

y² = 26 - x²

y = sqrt(26 - x²)

this gives us for the second case

x² + 9 - 6y + y² = 29

x² + 9 - 6sqrt(26 - x²) + 26 - x² = 29

-6sqrt(26 - x²) + 26 = 20

-6sqrt(26 - x²) = -6

sqrt(26 - x²) = 1

26 - x² = 1

-x² = -25

x² = 25

x = ±5

remember, the solution to a square root always has a positive and a negative value, as the square of them is the same.

out of

x² + y² = 26

we get now

5² + y² = 26

25 + y² = 26

y² = 1

y = ±1

out of the ±5, ±1 combinations we need to verify also with

x² + 9 - 6y + y² = 29

we see, x = ±5, y = +1 this is correct

25 + 9 - 6 + 1 = 29

but for x = ±5, y = -1 this fails

25 + 9 + 6 + 1 = 29

41 = 29 is wrong.

so, we get for

HJ = sqrt(26), IJ = sqrt(29) the possible solutions

J = (5, 1), J = (-5, 1)

we can say the 4 possible solutions are caused by the same solution for J, one on the left, and one on the right side of HI. and one for HJ = sqrt(29), and one for HJ = sqrt (26), as nobody defined the correlation of the legs. it could be up or down.

so, in total 2×2 = 4 solutions.

The number of dimes and nickels that Johnny has are 6 and 3 respectively.

The following should be noted:

Nickel = 5 cent = 0.05

Dime = 10 cents = 0.10

Let the number of nickels = n

Let the number of dimes = 2n

Total worth = $0.75

This will be illustrated as:

0.05(n) + 0.10(2n) = 0.75

0.05n + 0.20n = 0.75

0.25n = 0.75

Divide

n = 0.75/0.25

n = 3

Number of nickels = 3

Number of dimes = 2n

= 2 × 3

= 6

Number of dimes = 6

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Answer:

distributive

Step-by-step explanation:

The natural breaks, quantile, and equal interval classification schemes are methods used to categorize data for the purpose of creating thematic maps. Each scheme has its own approach and considerations: Natural Breaks, Quantile, Equal Interval.

Natural Breaks (Jenks): This classification scheme aims to identify natural groupings or breakpoints in the data. It seeks to minimize the variance within each group while maximizing the variance between groups. Natural breaks are determined by analyzing the distribution of the data and identifying points where significant gaps or changes occur. This method is useful for data that exhibits distinct clusters or patterns.

Quantile (Equal Count): The quantile classification scheme divides the data into equal-sized classes based on the number of data values. It ensures that an equal number of observations fall into each class. This approach is beneficial when the goal is to have an equal representation of data points in each category. Quantiles are useful for data that is evenly distributed and when maintaining an equal sample size in each class is important.

Equal Interval: In the equal interval classification scheme, the range of the data is divided into equal intervals, and data values are assigned to the corresponding interval. This method is straightforward and creates classes of equal width. It is useful when the range of values is important to represent accurately. However, it may not account for data distribution or variations in density.

In summary, the natural breaks scheme focuses on identifying natural groupings, the quantile scheme ensures an equal representation of data in each class, and the equal interval scheme creates classes of equal width based on the range of values. The choice of classification scheme depends on the nature of the data and the desired representation in the thematic map.

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Answer:

Force on ladder 1 (left): 30.4 N

Force on ladder 2 (right): 60.8 N

Step-by-step explanation:

Given the left ladder is 1 then right ladder is 2

So distance from ladder 1 to center of mass d1 is 1.00 m

then distance from ladder 2 to center of mass d2 is 0.5 m (1.50 - 1.00)

The torque in ladder 1 is t1 while torque in ladder 2 is t2

so t1 = t2

since t = Fd

t1 = t2

F1d1 = F2d2

F1 = 0.5F2

since all equilibrium is 0, the sum of all forces

Force on ladder = F1 + F2

91.2 = F1 + F2

since F1 = 0.5F2

91.2 = 0.5F2 + F2

F2 = 91.2/1.5 = 60.8

F1 = 0.5F2 = 0.5(60.8) = 30.4

Step-by-step explanation:

hope it will help u

######

Answer:

See Explanation

Step-by-step explanation:

According to The Question,

Given That, On a coordinate plane, ΔPQR and ΔSTU are shown. ΔPQR has points (4,4) , (-2,0) , (-2,4). ΔSTU has points (2,-4) , (-1,-2) , (-1,-4).

The distance between two points on the coordinate plane is given as:

Distance = \(\sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2} }\)

IQRI = \(\sqrt{(-2_{}-(-2)_{})^{2} + (4_{}-0_{})^{2} }\) = 4

IPQI = \(\sqrt{(-2_{}-4_{})^{2} + (0_{}-4_{})^{2} }\) = √52

IPRI = \(\sqrt{(-2_{}-4_{})^{2} + (4_{}-4_{})^{2} }\) = 6

ISTI = \(\sqrt{(-1_{}-2_{})^{2} + (-2_{}-(-4)_{})^{2} }\) = √13

ISUI = \(\sqrt{(-1_{}-2_{})^{2} + (-4_{}-(-4)_{})^{2} }\) = 3

ITUI = \(\sqrt{(-1_{}-(-1)_{})^{2} + (-4_{}-(-2)_{})^{2} }\) = 2

Now, Verifying that the triangles are similar  

|QR| / |TU| = 4/2 = 2

|PR| / |SU| = 6/3 = 2  

|PQ| / |ST| = √52 / √13 = 2

Hence,   |QR| / |TU| = |PR| / |SU| = |PQ| / |ST|

Therefore, △PQR and △STU are similar triangles since the ratio of their sides are in the same proportion.

Answer: the answer is Complete the statements to verify that the triangles are similar.

StartFraction Q R Over T U EndFraction = ✔ 2

StartFraction P R Over S U EndFraction = ✔ 2

StartFraction P Q Over S T EndFraction = StartFraction StartRoot 52 EndRoot Over StartRoot 13 EndRoot EndFraction = ✔ 2

Therefore, △PQR ~ △STU by the ✔ SSS similarity

theorem.

Step-by-step explanation: it is show down below.

To determine which differential equation(s) are linear, we need to examine the form of each equation. A linear differential equation is one that can be written in the form a(x)y" + b(x)y' + c(x)y = g(x), where a(x), b(x), c(x), and g(x) are functions of x.

The differential equation 2xy" - 5xy' + y = sin(3x) is linear. It can be written in the form a(x)y" + b(x)y' + c(x)y = g(x), where a(x) = 2x, b(x) = -5x, c(x) = 1, and g(x) = sin(3x).
The differential equation (v)² + xy = In(x) is not linear. It does not follow the form a(x)y" + b(x)y' + c(x)y = g(x) because it contains a term with (v)², where v represents the derivative of y with respect to x. This term does not have a linear coefficient.
The differential equation y' + sin(y) = e^(3x) is linear. It can be written in the form a(x)y' + b(x)y = g(x), where a(x) = 1, b(x) = sin(y), and g(x) = e^(3x).
The differential equation (x²+1)y" - 3y - 2x³y = -x - 9 is not linear. It does not follow the form a(x)y" + b(x)y' + c(x)y = g(x) because it contains a term with (x²+1)y", where the coefficient is a function of x.
The differential equation y' + xy = y" is linear. It can be written in the form a(x)y' + b(x)y = g(x), where a(x) = 1, b(x) = x, and g(x) = y".

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A mathematical description of hexagon is given above.

In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain.

The bounded plane region, the bounding circuit, or the two together, may be called a polygon.

The segments of a polygonal circuit are called its edges or sides.

Given is hexagon.

In geometry, a hexagon is a six-sided polygon creating the outline of a cube. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.

A regular hexagon is defined as a hexagon that is both equilateral and equiangular. It is bicentric, meaning that it is both cyclic (has a circumscribed circle) and tangential (has an inscribed circle).

Therefore, a mathematical description of hexagon is given above.

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The expression (y^2)(y^-4) simplifies to y^-8.

To calculate the expression (y^2)(y^-4), we apply the rule of multiplying exponents. When we multiply two powers with the same base, we add their exponents. In this case, y^2 multiplied by y^-4 can be simplified as y^(2 + (-4)), which simplifies further to y^-2.

Next, we calculate b^-6 using the rule of negative exponents. When a base is raised to a negative exponent, it is equivalent to taking the reciprocal of the base raised to the positive exponent. Hence, b^-6 is equal to 1/(b^6).

Combining the results, we have (y^-2) multiplied by (1/(b^6)), which can be further simplified using the rule of multiplying exponents. Thus, (y^-2)(1/(b^6)) becomes y^(-2 - 6), resulting in y^-8.

Therefore, the expression (y^2)(y^-4) simplifies to y^-8.

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a. There must be two selected numbers that sum to 15.

b. We cannot guarantee that there are two distinct subsets with the same sum in this case.

According to the pigeonhole principle, at least one container must have more than one item if n things are placed into m containers, where n > m.

(a) To show that two of the selected numbers must sum to 15 from a set of 8 numbers chosen from {1, 2, ..., 13, 14}, we can use the Pigeonhole Principle.

We have 14 numbers in the set {1, 2, ..., 13, 14}, and we need to select 8 numbers from this set. The possible sums of any two numbers from this set range from a minimum of 1 + 2 = 3 to a maximum of 13 + 14 = 27.

Since we have 8 selected numbers but only 7 possible sums (3, 4, ..., 10, 11, 12, 13), by the Pigeonhole Principle, at least two of the selected numbers must have the same sum. The only sum that is missing from the possible sums is 15. Therefore, there must be two selected numbers that sum to 15.

(b) In the case of 14 3-digit numbers in a list, we cannot conclude that there are two distinct subsets of the 14 numbers with the same sum. This is because the range of possible sums for two distinct 3-digit numbers ranges from a minimum of 100 + 100 = 200 to a maximum of 999 + 998 = 1997.

Since the range of possible sums (200 to 1997) exceeds the number of distinct subsets of the 14 numbers (2¹⁴ = 16,384), it is possible for each subset to have a unique sum. Therefore, we cannot guarantee that there are two distinct subsets with the same sum in this case.

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Answer:

1and 3 are not a function 2 and 4 are a function 6 not enough

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Answer:

see below

Step-by-step explanation:

To change from a decimal to a fraction  count the number of decimals and add that many zeros after the 1 in the denominator, then simplify

To change a decimal to a percent, move the decimal to places to the right and add a percent sign

To change a fraction to a decimal divide the numerator by the denominator

To change a percent to a decimal move the decimal 2 places to the left and remove the percent sign( if there are fractions, change to a decimal)

113/1000 =                            .113                                    = 11.3 %

2275/1000 =91/400              .2275                           22 3/4%

1/200                                       .005                                  .5%

3 85/100                                   3.85                                  385%

To calculate the standard error (SE) for the percentage of young adults who favor gay marriage, we need to consider the sample size and the proportion of individuals in the sample who favor gay marriage.

The formula for calculating the standard error (SE) of a sample proportion is SE = sqrt((p * (1 - p)) / n), where p is the sample proportion and n is the sample size.

In this case, the sample proportion is given as 73% or 0.73, and the sample size is 321 young adults. Substituting these values into the SE formula, we get SE = sqrt((0.73 * (1 - 0.73)) / 321).

To calculate the SE, we first calculate (0.73 * (1 - 0.73)) to get 0.1979. Dividing this value by the sample size of 321 and taking the square root, we find that the SE for the percentage of young adults who favor gay marriage is approximately 0.0211.

Therefore, the standard error (SE) for the percentage of young adults who favor gay marriage, based on the CBS news poll data, is approximately 0.0211 or 2.11%. The SE provides an estimate of the variability or margin of error associated with the sample proportion.

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Answer:

360 degrees

Step-by-step explanation:

We know that the sum of all the (ordered) exterior angles of any polygon is 360 degrees. As shown in the figure that, x,y and z recognise themselves as  the exterior angles of the given triangles, their sum will be 360 degrees as well.

Answer: 1.5 hours

Step-by-step explanation:

14 times in 21 hours

1 time would be 21 ÷ 14

21 ÷ 14 = 1.5

It took 1.5 hours to orbit the earth 1 time

Hope I helped!

If two lines intersect, then the vertical angles formed must be both equal in measure.

The  intersection of a line can be described as when two or more lines cross each other in a plane as a result of this they are been referred to as   intersecting lines.

Therefore, intersecting lines share a common point, hence , If two lines intersect, then the vertical angles formed must be both equal in measure.

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The expression for  d=rt in terms of the time is t = d/r; t = 5.

Therefore,

In the equation d=rt

                          t = d/r

when distance is 40 and the rate is 8

                          t = d/r

Replace d with 40 and rate with 8

                          t = 40/8

                          t = 5

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1.1 The relationship between sampling distribution and confidence interval is that the sampling distribution helps us understand the distribution of sample statistics (such as the sample mean or proportion) when repeatedly sampling from a population.

The confidence interval, on the other hand, provides a range of values within which we can be confident that the true population parameter lies based on the sample data.

In other words, the sampling distribution gives us information about the variability and distribution of sample statistics, while the confidence interval uses this information to estimate the range of likely values for the population parameter.

1.2 To calculate the probability that the sample mean is between 9.0 and 11.0, we need to standardize the values using the z-score formula and then look up the corresponding probabilities from the standard normal distribution.

First, calculate the z-scores:

z1 = (9.0 - 10) / (3 / √40) = -1.8257

z2 = (11.0 - 10) / (3 / √40) = 1.8257

Next, look up the probabilities associated with these z-scores using a standard normal distribution table or a calculator. The probability that the sample mean is between 9.0 and 11.0 can be calculated as the difference between the two probabilities:

P(9.0 < x < 11.0) = P(z1 < Z < z2)

1.3 (a) To calculate the probability that the percentage of voters who support the candidate is between 40% and 45% in a sample of 200 voters, we can use the sampling distribution of sample proportions. Assuming the sample proportion follows a normal distribution, we can standardize the values using the z-score formula and then calculate the corresponding probabilities.

First, calculate the z-scores:

z1 = (0.40 - 0.40) / √[(0.40 * (1 - 0.40)) / 200] = 0

z2 = (0.45 - 0.40) / √[(0.40 * (1 - 0.40)) / 200]

Next, look up the probabilities associated with these z-scores using a standard normal distribution table or a calculator. The probability that the percentage of voters who support the candidate is between 40% and 45% can be calculated as the difference between the two probabilities:

P(40% < p < 45%) = P(z1 < Z < z2)

(b) To calculate the probability that the percentage of voters who support the candidate is more than 50%, we can again use the sampling distribution of sample proportions. We standardize the value using the z-score formula and calculate the corresponding probability.

Calculate the z-score:

z = (0.50 - 0.40) / √[(0.40 * (1 - 0.40)) / 200]

Look up the probability associated with this z-score using a standard normal distribution table or a calculator. The probability that the percentage of voters who support the candidate is more than 50% can be calculated as:

P(p > 50%) = P(Z > z)

1.4 To determine the 95% confidence interval for the true mean resistance, we can use the formula:

Confidence Interval = sample mean ± (critical value * standard error)

First, calculate the standard error:

Standard Error = population standard deviation / √(sample size)

              = 0.35 / √10

Next, find the critical value corresponding to a 95% confidence level from a t-distribution table with 9 degrees of freedom (n-1). The critical value for a 95% confidence level is approximately 2.

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Answer:

28 because he loaned ant how loaning gos

Answer:

-28

Step-by-step explanation:

;)

Answer:

  ∆QRS / ∆XZY = 1/2

Step-by-step explanation:

You want the similarity ratio of ∆QRS to ∆XZY. Side lengths are marked in the diagram.

The similarity ratio will be the ratio of two corresponding side lengths.

You can find corresponding sides several ways:

The ratios of corresponding sides are 1:2, 2:4, and 2:4. The 2:4 ratios reduce to 1:2, which is the answer you're looking for. Written as a fraction, the ratio is ...

  1/2 . . . . ratio of ∆QRS to ∆XZY

Answer: 19 is my answer 19 is left over

The probability that at least one of the three people has been vaccinated is 92.8%.

Step-by-step explanation: Given, In a large population, 54% of the people have been vaccinated. Then, the probability that one person has been vaccinated is 54/100 = 0.54.

The probability that one person has not been vaccinated is 1 - 0.54 = 0.46. The probability that all three people have not been vaccinated is (0.46)³ = 0.097336. The probability that at least one person has been vaccinated is 1 - 0.097336 = 0.902664. Hence, the probability that at least one of the three people has been vaccinated is 92.8%.

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Answer:

Yes

Step-by-step explanation:

They are proportional by a scale of 1.5

Answer:

yes these two fractions are proportional

Step-by-step explanation:

4/6=6/9 the answer is( divide 4/6 by2 the answer will be2/3 and if you will divide 6/9 by 3 the answer will be 2/3)

2/3

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Answer:

the answer to you question is x=2

Answer:

300,000

Step-by-step explanation:

\(2000000 - 50000 = 150000\)

\(150000 \times 2 = 300000\)