answer this for me also right answer gets a heart

Answer:

A. y= 1x + 5

Step-by-step explanation:

Answer:

A. y=x+5

Step-by-step explanation:

(0,5):

x=0

y=(0)+5=5

(3,8):

x=3

y=(3)+5=8

I hope this help you

226 integers are present between 100 and 999, inclusive, and have the property that some permutation of its digits is a multiple of 11 between 100 and 999. Hence, option A is the correct option.

The problem statement is to find the number of multiples of 11 between 100 and 999 inclusive, where some multiples may have digits repeated twice and some may not.

To solve this problem, we can first count the number of multiples of 11 between 100 and 999 inclusive, which is 81. Some of these multiples may have digits repeated twice, and each of these can be arranged in 3 permutations. Other multiples of 11 have no repeated digits, and each of these can be arranged in 6 permutations. However, we must account for the fact that switching the hundreds and units digits of these multiples also yields a multiple of 11, so we must divide by 2, giving us 3 permutations for each of these multiples.

Thus, we have a total of 81 × 3 = 243 permutations. However, we have overcounted because some multiples of 11 have 0 as a digit. Since 0 cannot be the digit of the hundreds place, we must subtract a permutation for each of these multiples. There are 9 such multiples (110, 220, 330, ..., 990), yielding 9 extra permutations. Additionally, there are 8 multiples (209, 308, 407, ..., 902) that also have 0 as a digit, yielding 8 more permutations.

Therefore, we must subtract these 17 extra permutations from the total of 243, giving us 226 permutations in total. Hence, option A is the correct option.

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The ordered pair that represents points on the graph of the function 2·x = -(2/3)·y  which is a proportional relationship are; (2, -6), (-1, 3), (0, 0), (-2, 6)

A proportional relationship is a function that consists of ordered pairs (x, y), such that the ratio y/x is the same within the range and domain of the function.

The specified equation is presented as follows;

\(2\cdot = -\dfrac{2}{3} \cdot y\)

Making y the subject indicates;

\(y = -\dfrac{3}{2} \times (2\cdot x) = -3\cdot x\)

y =- -3·x

y/x = -3

The above equation indicates that the relationship is a proportional relationship

Therefore, the equation, y = -3·x indicates that the y-intercept is  at the point (0, 0)

The coordinates of a point on the graph is therefore; thew point  (0, 0)

The other ordered pair that  corresponds with the equation, y/x = -3, includes;

The point (2, -6)  from which we get; -6/2 = -3

At the point (-2, 6) , we get, 6/(-2) = -3

At the point (-1, 3), we get; 3/(-1) = -3

The points (2, -6), (-1, 3), and (-2, 6) are also points on the graph of the equation  \(2\cdot = -\dfrac{2}{3} \cdot y\)

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We are given the following equation and we must state the reason behind each of the steps taken to solve it:

In the first step after giving the equation 21 is being substracted from both sides of the equation. Remember that the substraction property of the equality states that any value substracted from one side of the equal sign must also be substracted from the other side. Therefore the reason behind this step is the substraction property.

Then the substractions on each side are performed. In the left side we get 21-21=0 so the constant term dissapears and on the right we obtain 21-15=6. This means that during this step only a simplification was performed.

In the following step a number 2 is multiplied to each side of the equal sign. Remember that the multiplication property of equality states that whatever is multiplied in one side of the equal sign must also be multiplied in the other side. Then the reason behind this step is the multiplication property of equality.

In the final step in the left side the 2 multiplying is simplified with the number 2 dividing and in the right side the product between -6 and 2 is performed. Then this step is also a simplification.

Then the reasons in order are:

- Substraction Property of Equality

- Simplifying

- Multiplication Property of Equality

- Simplifying

Answer:

6 units

Step-by-step explanation:

Given: Triangle L N P has centroid S.

\(NS=7x-3, SR=5x-3\)

To find: NS

Solution:

Centroid is the point of intersection of the medians of the triangle such that it divides each of the median in ratio \(2:1\)

So,

\(NS:SR=2:1\\\frac{NS}{SR}=\frac{2}{1} \\\)

Put \(NS=7x-3, SR=5x-3\)

\(\frac{7x-3}{5x-3}=\frac{2}{1}\\ 7x-3=10x-6\\10x-7x=-3+6\\3x=3\\x=1\)

Therefore,

\(NS=7x-3=7(1)-3=4\,\,units\\SR=5x-3=5(1)-3=2\,units\)

So,

\(NS=NS+SR=4+2=6\,\,units\)

Answer:

The answer is 4

Step-by-step explanation:

It asks for the length of NS not the length of NR

Explanation

We are given the following:

We are required to determine the surface area of a cylinder. This can be achieved by using the formula:

Hence, the answer is 301.44m².

Answer:

20

Step-by-step explanation:

A=a+b

2h=6+2

2·5=20

Answer:

16.4

Step-by-step explanation:

Separate it into a triangle and a rectangle.

The rectangle will be 2, 5 and the triangle will be 4, 5, and x with a right angle.

The area of the rectangle section is 10, and the area of the triangle is 6.4.

6.4 + 10 = 16.4.

Ruby studied her science test for 1/2 of an hour

An equation is an expression that shows the relationship between two or more variables and numbers.

Jamal spent 1 1/2 (1.5) hours studying for his science test ruby studied for 1/3 the amount of time that Jamal studied.

Amount of time ruby studied = (1/3) * (1.5) = 1/2 of an hour

Ruby studied for 1/2 of an hour

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Answer:

so that is how it goes

Step-by-step explanation:

To describe the region of a slice of pizza in the first quadrant using rectangular coordinates, we need to determine the equations that define the boundaries of the region.

Since the pizza is a circle with a radius of 1 foot and the slice is 1/8 of the circle, the angle of the slice is 45 degrees. We can use this information to determine the coordinates of the two points that define the slice: (1, 0) and (cos(45), sin(45)) = (√2/2, √2/2). Thus, the region can be described by the following set of inequalities:

0 ≤ x ≤ √2/2

0 ≤ y ≤ x

These inequalities define the region in the first quadrant that corresponds to a slice of pizza with 1/8 of a circle of radius 1 foot.

In summary, to describe the region of a slice of pizza in the first quadrant using rectangular coordinates, we determined the equations that define the boundaries of the region. Since the pizza is a circle with a radius of 1 foot and the slice is 1/8 of the circle, we used the angle of the slice to determine the coordinates of the two points that define the slice.

Then, we used these coordinates to write the set of inequalities that describe the region. These inequalities are 0 ≤ x ≤ √2/2 and 0 ≤ y ≤ x, which represent the range of values for x and y that satisfy the conditions for a slice of pizza.

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The range, variance, and standard deviation are 8, 21.10, 445.21.

The range, variance, and standard deviation are 99, 40.14,1612

What is data?

Data is a collection of measurements or observations used as a source of information. There are numerous types of data and numerous ways to represent data.

Given data is

43, 41, 48, 47, 49

Arrange them in ascending order:

41, 43, 47, 48,49

The range is (49 - 41) =8

The mean is (41+43+47+48+49)/5 =45.6

Data      deviation from mean    square  deviation

41                         4.6                         21.16

43                         2.6                        6.76

47                         -1.4                        1.96

48                         -2.4                        5.76

49                         -3.4                        11.56

Total                                                  47.2

The standard deviation is s = √[(x-μ)²/N] = 21.10

The variance is s² = 445.21

Given data is

100, 1, 3, 95, 70, 4, 6, 10, 5

Arrange them in ascending order:

1, 3, 4, 5, 6, 10, 70, 95, 100

The range is (100 - 1) = 99

The mean is (1+3+4+6+5+10+70+95+100)/9 =32.67

Data      deviation from mean    square  deviation

1                         31.67                         1002.99

3                         29.67                       880.31

4                         28.67                        821.97

5                        27.67                         756.63

6                         26.67                        711.29

10                         22.67                      513.93

70                        -37.33                       1393.52

95                        -62.33                      3885.03

100                         -3.33                        4533.33

Total                                                     14508.0001

The standard deviation is s = √[(x-μ)²/N] = 40.14

The variance is s² = 1612

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Answer:

2? – (-6)x +(-27), x² + 6x – 27 = 0

Step-by-step explanation:

i used a calculator

Answer:

5 pizzas; 1/2 of a slice

Step-by-step explanation:

18/4=

4.5; the .5 is the leftover as the pizza so Mary needs 5 pizzas to be ordered.

a) The (9,009, 10,585) range represents the 99% confidence interval for the mean number of steps taken on an average workday for all New York City employees who wear activity trackers. No, we are unable to determine the likelihood of specific values using the confidence interval. Only inferences about the population mean can be drawn from it.

A 99% confidence interval for the mean needs to be calculated.

Since the population standard deviation is unknown, we must infer it from the sample standard deviation in order to get the critical number using a t-students distribution.

Sample Mean(M) = 9,797

Sample Standard Deviation(s) = 2,313.

Sample Size(N) = 61

When σ is unknown, an estimation of σM is made by dividing s by the square root of N:

S = s/√n

S = 2313/√61

S = 2313/7.8102

S = 296.1512

These sample size's degrees of freedom are:

df = n - 1

df = 61 - 1

df = 60

With 61 degrees of freedom and a 99% confidence interval, the t-value is 2.66.

The Margin of Error calculated as:

MOE = t × S

MOE = 2.66 × 296.1512

MOE = 787.7622

The confidence interval's lower and upper bounds are as follows:

Lower Bound = M - MOE

Lower Bound = 9797 - 787.7622

Lower Bound = 9,009.2378

Lower Bound = 9,009(approx)

Upper Bound = M + MOE

Upper Bound = 9797 + 787.7622

Upper Bound = 10,584.7622

Upper Bound = 10,585(approx)

We have a 95% confidence interval between 9,009 and 10,585 steps as the mean number of steps taken on a normal workday for all New York City employees using activity trackers.

b) The value of 8,500 steps is outside the confidence interval, which indicates that it is a high figure for the average number of steps taken by all New Yorkers using activity trackers.

The confidence interval cannot be used to calculate the likelihood of specific values.

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The complete question is:

Activity trackers are electronic devices that people wear to record physical activity. Researchers wanted to estimate the mean number of steps taken on a typical workday for people working in New York City who wear such trackers. A random sample of 61 people working in New York City who wear an activity tracker was selected. The number of steps taken on a typical workday for each person in the sample was recorded. The mean was 9,797 steps and the standard deviation was 2,313 steps.

a. Construct and interpret a 99 percent confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker.

b. A wellness director at a company in New York City wants to investigate whether it is unusual for one person working in the city who wears an activity tracker to record approximately 8,500 steps on a typical workday. Is it appropriate to use the confidence interval found in part (a) to conduct the investigation.

The congruency statement TS ≅ HG is true. So the required statement is option c.

According to the congruency theorem, two triangles are considered congruent when they have identical sides and they have the same size angles. This can be proved by conditions such as side-angle-side (SAS), side-side-side (SSS), angle-side-ange (ASA), and right angle-hypotenuse-one another side (RHS). Their orientation need not have to be the same also.

Even though the triangle is rotated, the corresponding part of ΔGHJ and ΔSTR are congruent. So the sides ST = GH, RT= HJ, and SR= GJ. And the angles ∠S= ∠G, ∠T=∠H, and ∠R=∠J. From the given, options, option TS ≅ HG is correct.

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The complete question is -

Triangle GHJ is rotated 90° about point X, resulting in triangle STR. Which congruency statement is true?

A. TR ≅ GJ

B. ∠S ≅ ∠H

C. TS ≅ HG

D. ∠R ≅ ∠G

It takes 40 seconds (400 / 10) for the entire caravan to line up before the second toll booth.

It takes 100 seconds (20 * 5) for the entire caravan to receive service at the first toll booth.

Assuming that the cars line up at the second toll booth right after receiving service at the first toll booth, the time it takes for the entire caravan to line up before the second toll booth depends on the speed of the cars.

Since the speed of the cars is 10 kilometers per second, in the 100 seconds it takes for the entire caravan to receive service at the first toll booth, the entire caravan travels a distance of 1000 kilometers (100 * 10).

Since the distance between the first and second toll booths is 400 km, it takes 40 seconds (400 / 10) for the entire caravan to line up before the second toll booth.

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It takes 40 seconds (400 / 10) for the entire caravan to line up before the second toll booth.

It takes 100 seconds (20 * 5) for the entire caravan to receive service at the first toll booth.

Assuming that the cars line up at the second toll booth right after receiving service at the first toll booth, the time it takes for the entire caravan to line up before the second toll booth depends on the speed of the cars.

Since the speed of the cars is 10 kilometers per second, in the 100 seconds it takes for the entire caravan to receive service at the first toll booth, the entire caravan travels a distance of 1000 kilometers (100 * 10).

Since the distance between the first and second toll booths is 400 km, it takes 40 seconds (400 / 10) for the entire caravan to line up before the second toll booth.

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We translate the independent variables x and y by amounts a and b, respectively, the Laplacian operator remains unchanged. This property is known as translation invariance.

To show that the two-dimensional Laplacian is translation-invariant, we need to demonstrate that if the independent variables undergo a translation to new variables x' and y', the Laplacian operator remains unchanged.

The two-dimensional Laplacian operator is given by:
∇^2 = (∂^2/∂x^2) + (∂^2/∂y^2)

Let's consider a function f(x, y) and its translated counterpart f'(x', y') after a translation in the x and y directions. The translated variables are related to the original variables as follows:

x' = x + a
y' = y + b

where 'a' represents the translation in the x-direction and 'b' represents the translation in the y-direction.

To show the translation invariance, we need to prove that ∇^2[f'(x', y')] = ∇^2[f(x, y)].

Let's compute the Laplacian of the translated function f'(x', y'):

∇^2[f'(x', y')] = (∂^2f'/∂x'^2) + (∂^2f'/∂y'^2)

Using the chain rule, we can express the partial derivatives with respect to the original variables:

∂f'/∂x' = ∂f/∂x
∂f'/∂y' = ∂f/∂y

Substituting these expressions into the Laplacian of the translated function:

∇^2[f'(x', y')] = (∂^2f/∂x^2) + (∂^2f/∂y^2)

This expression is equal to the Laplacian of the original function f(x, y). Therefore, we have shown that the two-dimensional Laplacian is translation-invariant.

In summary, if we translate the independent variables x and y by amounts a and b, respectively, the Laplacian operator remains unchanged. This property is known as translation invariance.

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The length and width of the plot that will maximize the area is 60 meters by 120 meters. The largest area that can be enclosed is 7200 square meters.

To maximize the area of the rectangular plot, Farmer Ed must use 9000 meters of fencing to enclose three sides of the plot. The fourth side, which borders the river, does not need to be fenced. To find the length and width of the plot that will maximize the area, the 9000 meters of fencing must be divided into two sides of equal length, with the remaining fencing used for the third side. This results in a length of 120 meters and a width of 60 meters, which maximizes the area of the plot. The largest area that can be enclosed is 7200 square meters.

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The second container can hold approximately 1715 m³ of liquid.

Two containers have exactly the same shape, we can use their height ratio to determine the liquid capacity ratio.

Let's denote the height of the first container as H1 = 20 m and its liquid capacity as C1 = 320 m³.

We want to find the liquid capacity of the second container, C2, given its height H2 = 35 m.

The ratio of the heights is H2 / H1 = 35 m / 20 m = 7/4.

The ratio of the liquid capacities is equal to the ratio of the volumes, since the containers have the same shape. Therefore, we have:

C2 / C1 = (H2 / H1)³

Substituting the given values:

C2 / 320 m³ = (7/4)³

Simplifying the exponent:

C2 / 320 m³ = 343 / 64

To find C2, we can cross-multiply:

C2 = (343 / 64) × 320 m³

Calculating the result:

C2 ≈ 1715 m³

Therefore, the second container can hold approximately 1715 m³ of liquid.

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The question is incomplete the complete question is :

two containers are used to hold liquid. these containers have exactly the same shape. the first container has a height of 20 m, and it can hold 320 m³ of liquid. if the second container has a height of 35 m, how much liquid can it hold?

Answer:

y=2x-3

Step-by-step explanation:

The distance the slower and faster car travelled are 360 km and 432 km respectively.

Two cars start at the same time from two towns 792 kilometres apart and meet in 9 hours.

One car can travel 8 km faster than the other car.

let

x = speed of the slower car

x + 8 = speed of the faster car

The cars meet in 9 hours and both cover a distance of 792 km.

Therefore,

speed = distance / time

distance = time × speed

Hence,

9x + 9(x + 8) = 792

9x + 9x + 72 = 792

18x = 792 - 72

18x = 720

divide both sides by 18

x = 720 / 18

x = 40

Therefore,

speed of the slower car = 40 km per hour

speed of the faster car = 48 km per hour

Hence,

how far the slower car go(distance) = 40 × 9 = 360 km

how far the faster car go(distance) = 48 × 9 = 432 km

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Answer:

Hypotenuse = 10 Cm

Step-by-step explanation:

Given:

θ = 60°

Base = 5 cm

Hypotenuse = x cm

Find:

Hypotenuse

Computation:

Cos θ = Base / Hypotenuse

Cos 60° = 5 / Hypotenuse

0.5 = 5 / Hypotenuse

Hypotenuse = 10 Cm

Answer:

71.4 mph

Step-by-step explanation:

357/5

71.4

Answer:

71.40

Step-by-step explanation:

357/5= 71.4 or 71.40 to the nearest hundredth.

Answer:

h ≤ 70 I'm pretty sure I could be wrong

The correct inequality for the maximum height, h, of a fighter pilot is h ≤ 77.

Given that the height of the fighter pilot (h) must be less than or equal to 77 inches.

The symbol "≤" represents "less than or equal to," and 77 inches is the maximum allowable height for a fighter pilot.

The inequality h ≥ 77 would be incorrect since it states that the height of the fighter pilot should be greater than or equal to 77 inches, which would not be a maximum height requirement.

Similarly, the inequality h ≤ 70 would also be incorrect as it would imply a height limit of 70 inches, which is lower than the actual maximum height allowed.

Lastly, h ≥ 70 would not be suitable as it would permit heights greater than or equal to 70 inches, potentially exceeding the specified maximum height of 77 inches.

In conclusion, the correct inequality to represent the maximum height of a fighter pilot is h ≤ 77, ensuring that their height does not exceed 77 inches.

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The solution to the inequality -2x + 4 < 16 is x > -6.

To solve the inequality -2x + 4 < 16, you can follow these steps:

Start by isolating the variable term. In this case, the variable term is -2x. Move the constant term, which is +4, to the other side of the inequality by subtracting 4 from both sides:

-2x + 4 - 4 < 16 - 4

-2x < 12

Next, divide both sides of the inequality by the coefficient of x, which is -2. It's important to note that when you divide or multiply an inequality by a negative number, you need to reverse the direction of the inequality sign:

(-2x) / -2 > 12 / -2

x > -6

The solution to the inequality is x > -6. This means that any value of x greater than -6 would satisfy the original inequality. Graphically, this represents all the numbers to the right of -6 on the number line.

So, the solution to the inequality -2x + 4 < 16 is x > -6.

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The angle of elevation of the orb is 33.70 degrees.

You are standing some distance from an orb that is floating 20 feet above the ground.

The straight line from yourself to the orb the line would be 30 feet long. Therefore, the angle of elevation of the orb can be found as follows:

using trigonometric ratios,

tan ∅ = opposite / adjacent

where

∅ = angle of elevation

tan ∅ = 20 / 30

tan ∅ = 2  / 3

∅ = tan⁻¹ 0.66666666666

∅ = 33.6898030831

Therefore,

angle of elevation = 33.70 degrees.

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Answer: 4.1; $4.10

Step-by-step explanation: He has 10 pets overall. He has 41 dollars, 41 divided by 10 is equal to 4.1; convert that to dollars by making it a fractions of hundreths and add a $.

Answer:

x= 30

The angles measure 80 degrees

Step-by-step explanation:

The two angles are corresponding angles and, when the lines are parallel, corresponding angles are equal.

2x+20 = 3x-10

Subtract 2x from each side

2x+20-2x = 3x-10-2x

20 = x-10

Add 10 from each side

20+10=x-10+10

30 = x

2x+20 = 2(30) +20 = 60+20 = 80

This Answer has been Removed.