The main scale of a vernier callipers reads 10 mm in 10 divisions. 10 divisions of Vernier scale coincide with 9 divisions of the main scale. When the two jaws of the callipers touch each other, the right of zero of main scale. When a cylinder is tightly placed between the two jaws, the zero of vernier scale lies slightly to the left of 3.2 cm and the fourth vernier division coincides with a main scale division. The diameter of the cylinder is.
A 3.09 cm
B 3.9 cm
C 3.90 cm D 39mm

The turning point of the function is (37, -232)

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

y = f(x) has a turning point of (-33, 22)

For the transformed function f(x + 70) -254, we have

Turning point = (-33 + 70, 22 - 254)

Evaluate the like terms

Turning point = (37, -232)

Hence, the turning point is (37, -232)

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Answer:

Step-by-step explanation:

The area of a right triangle is A=(1/2)base*height

A=(1/2)(b)(h)

200ft²=(1/2)(10ft)h

200ft²=5ft(h)

40ft=h

Using Pythagorean Theorem for a right triangle a²+b²=c²

a²+b²=c²

(40ft)²+(10ft)²=c²

1600ft²+100ft²=c²

1700ft²=c²

√(1700ft²)=c

10√17=c

41.231056256=c

41.2≅c

A line passes through the two points (4, 7) and (2, 3).

The equation of the line is y = 2x + 1.

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

Given:

A line passes through the two points (4, 7) and (2, 3).

If a line passes through two points (x₁ ,y₁) and (x₂, y₂) ,

then the equation of line is

y - y₁ = (y₂- y₁) / (x₂ - x₁) x (x - x₁)

y - 7 = {(3 -7)/(2 -4)} (x - 4)

y - 7 = 2(x - 4)

y = 2x + 1

Therefore, the equation of the line is y = 2x + 1.

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Answer:

(4,0) and (6,0)

Step-by-step explanation:

X intercepts lie on the x-axis, and has a y value of 0. Remember it as a coordinate intercepts x on the x axis. The 2 points with a y value of 0 is (4,0) and (6,0).

Answer:

To calculate the length of the metal band, you need to first calculate the circumference of each pipe. The circumference of a pipe is equal to the diameter of the pipe multiplied by π (3.14). Therefore, the circumference of each pipe is 10 cm x 3.14 = 31.4 cm. Since there are 16 pipes, the total circumference of all the pipes is 16 x 31.4 cm = 500.64 cm. The length of the metal band will be the same as the total circumference, so it will be 500.64 cm.

The least square regression line equation is y = a + bx, where y is the response variable (sepal width), x is the independent or predictor variable (sepal length), a is the intercept, and b is the slope of the line.

The equation for the least square regression line is y = a + bx, where y is the dependent or response variable, x is the independent or predictor variable, a is the intercept, and b is the slope of the line. To calculate the equation for the least square regression line when the independent or predictor variable is sepal length and the dependent or response variable is sepal width for iris versicolor, the following steps should be taken: First, calculate the mean of the sepal lengths and the sepal widths. Then, calculate the variance of the sepal lengths, and the variance of the sepal widths. Next, calculate the covariance of the sepal length and sepal width. Finally, calculate the slope (b) of the regression line using the formula b = covariance/(variance of x). Once the slope is calculated, substitute it into the regression line equation to calculate the intercept (a). Using the mean of the sepal lengths and the slope and intercept, the equation for the least square regression line for the given data set can be calculated.

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The most appropriate statement is that C. The shaded area represent both 2/3 and 6/9 of the whole shape.

Fractions are numbers which are of the form a/b where a and b are real numbers. This implies that a parts of a number b.

Given a square.

This square is divided in to 9 equal sized squares, with 3 rows and 3 columns.

Out of the 9 equal sized squares, 6 squares are shaded.

We can write the fraction of shaded squares to total number of squares as 6/9.

In the same way, we have in the question that, 6 squares which are shaded is the squares in the first two columns, where each column has three squares.

So we can say that, out of 3 equal sized columns, two columns are shaded.

Fraction of shaded columns to total columns is 2/3.

So 2/3 = 6/9.

Hence shaded area represent both 2/3 and 6/9 of the whole shape.

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Answer:

Step-by-step explanation:

8+2*3-5*2+(82+4+4):(12+6+12)+3=
Firstly, we should use the BODMAS rule.
B: Brackets
O: Off
D: Division
M:Multiplication
A:Additioin
S:Subtraction
by this format we should start our problem.
Now, we solve the brackets
=8+2*3-5*2+(90):(28)+3
Now, we solve the multiplication
=8+6-7+(90):(28)+3

Now, we solve the addition part
=108-7:31
Now, the subtraction
=101:31 is the answer

hope help you keep smiling a =7.35*3.44

∫10∫1∫ ∫01∫x1∫xy dzdydx as an iterated integral in the order dydzdx then the sum of the six limits of integration =  [tex]\int\limits^x_0\int\limits^2_1 f(x,y) dydx[/tex]

Let D be the region bounded by the lines y = 1, y = 2, x = 0, and x = x. In order to express the double integral as an iterated integral with reversed order of integration, we first need to sketch the region D.

[tex]\int\limits^x_0\int\limits^2_1 f(x,y) dydx[/tex]

The region is bounded by the lines y = 1, y = 2, x = 0, and x = x. This forms a triangle-like shape with 1 and 2 being the x-coordinates of the vertices and x = 0 being the base of the triangle. Then, we can express the double

integral as: [tex]\int\limits^x_0\int\limits^2_1 f(x,y) dydx[/tex]where the order of integration is reversed from the original double integral. This means that first we are integrating with respect to y from 0 to x, and then we are integrating with respect to x from 1 to 2.

Therefore,

∫10∫1∫ ∫01∫x1∫xy dzdydx as an iterated integral in the order dydzdx then the sum of the six limits of integration =  [tex]\int\limits^x_0\int\limits^2_1 f(x,y) dydx[/tex]

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The number of the solutions for each system of equation is;

a) Two solutions

b) Two solutions

c) Two solutions

d) Two solutions

An equation is a mathematical statement that asserts the equality of two expressions, usually represented by a symbol such as "=". The expressions on either side of the equation can include numbers, variables, and operations, and the goal is to find the values of the variables that make the equation true.

The number of the solutions that the equation would have would depend on the type of equation that we have to deal with in the problem that have been give.

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the expected value of perfect information is not the same as the expected value with perfect information then it is a true statement

For a decision alternative the weighted average of the payoffs is known as the Expected Value.

For a chance node, it is the weighted average of the payoffs. The weights are the state-of-nature probabilities.  A weighted average is an average that multiplies each component by a factor representing its frequency or probability. The expected value is the return or cost you can expect on average, given many trials. The payoff of a game is the expected value of the game minus the cost.

The expected value is the return or cost you can expect on average, given many trials. A weighted average is an average that multiplies each component by a factor representing its frequency or probability. A weighted average is like a regular average except the data is often given to you in summary form.

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The region that minimizes the value of ∫∫R(x² + y² - 9)dA is the unit circle centered at (0, 0) with radius 3.

To see why this is the case, consider that x² + y² is the equation of a circle with center at the origin. The value of the integrand, x² + y² - 9, is minimized when x² + y² = 9, which is a circle with radius 3 centered at the origin.

The double integral ∫∫R(x² + y² - 9)dA represents the total area under the graph of x² + y² - 9 over the region R. The minimum value of this integral would be achieved when the region R is the smallest possible region that covers the minimum value of the integrand.

In this case, the smallest region that covers the minimum value of the integrand is the unit circle centered at (0, 0) with radius 3.

Therefore, the region that minimizes the value of ∫∫R(x² + y² - 9)dA is the unit circle centered at (0, 0) with radius 3.

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The area of the circle that has a diameter of 78 cm is: 4,778.4 cm².

The area of a circle can be calculated using the following formula:

A = πr^2, where A is the area, π (pi) is a mathematical constant approximately equal to 3.14, and r is the radius of the circle (the distance from the center of the circle to its edge).

Given that the diameter of the circle = 78 cm, therefore:

Radius (r) = 78/2 = 39 cm

Area of the circle = π * r² = π * 39²

Area of the circle = 4,778.4 cm²

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Don't worry, I gotchya :)

50% of 2006 is ⇒1003

2006% of 50 is ⇒1003

So 2006% of 50 + 50% of 2006 = 1003 + 1003

1003+1003 = 2006

Hope this helped you!

Answer: 7

Step-by-step explanation:

When solving the equation remember to follow pemdas (parentheses, multiplication, division, addition and finally subtraction.)

1. Distribute the two. Two times 1 is two and two times two is 4.

6÷2+4

2. 6 divided by 2 is 3.

3+4

3. 3 plus 4 equals 7.

:)

Answer:

35

Step-by-step explanation:

To find the value of x that makes the median and mean equal, we first need to determine the median of the data set. In this case, the median is the middle value when the data is arranged in order. Since there are 7 values, the median is the fourth value, which is 11.

To find the mean of the data set, we add up all the values and divide by the number of values.

Mean = (6 + 8 + 3 + 11 + 5 + 13 + x) / 7

To find x, we need to make the median and mean equal.

11 = (6 + 8 + 3 + 11 + 5 + 13 + x) / 7

Multiply both sides by 7

77 = 6 + 8 + 3 + 11 + 5 + 13 + x

Subtracting the sum of the other values from both sides

77 - 42 = x

x = 35

So, the value of x that makes the median and mean equal is 35.

We traveled to our grandparents for vacation. We drove 234.7 miles before lunch. We got back in the car and drove 37.93 miles before

Answer: 1 km

Step-by-step explanation: For this question, you need to first convert the 20 minutes into hours. You know that an hour is 60 minutes, so dividing 20 by 60 leaves you with 1/3 of an hour. The question says that she can go 3 km/h in her wheelchair, so 3 x 1/3 = 1 km.

From the advertisement, Company B's plan is $7.50 lower per month than Company A's plan.

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The height of the cube calculated from volume 48x⁶y⁵  cubic units, length 6x³y and breadth 4x²y³ is 2xy units.

A cuboid is a six-sided solid known as a hexahedron. Quadrilaterals make up its faces. Cuboid is short for "like a cube." A cuboid is similar to a cube in that a cuboid may become a cube by varying the lengths of the edges or the angles between the faces.

Features of a Cuboid :

A cube is a specific instance of a cuboid in which the length, width, and height are all equal. Accordingly, a cuboid is a cube.

The Volume of the cube is 48x⁶y⁵  cubic units

The length of the cube is 6x³y unit

Breadth of the cube is 4x²y³ unit

The height of the cube be H

We know,

volume(V)  = length(L) * breadth(B) * height(H)

⇒ height = V/L*B = (48x⁶y⁵)/(6x³y)*(4x²y³)

⇒ height = (48x⁶y⁵)/(24x⁵y⁴) = 2xy

The height of the cube calculated from volume 48x⁶y⁵  cubic units, length 6x³y and breadth 4x²y³ is 2xy units.

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A cardioid is a mathematical curve that is commonly studied in geometry and calculus. It is defined by the equation r = 1 + cos(θ), where r is the radial distance from the origin and θ is the polar angle. The cardioid has a distinctive heart-shaped form, and it is a smooth curve that can have tangent lines at certain points.

Horizontal Tangent Line:

A horizontal tangent line is a tangent line that is parallel to the x-axis. To find the points on the cardioid at which there is a horizontal tangent line, we need to find the points where the derivative of the curve is equal to zero in the x direction. The derivative of r = 1 + cos(θ) with respect to θ is -sin(θ), and the derivative of r with respect to x is cos(θ). Setting these two derivatives equal to zero, we have:

-sin(θ) = 0

cos(θ) = 0

The first equation has a solution when θ = n * π, where n is an integer. The second equation has solutions when θ = (2n + 1) * π/2, where n is an integer. When θ = n * π, the cardioid is at its maximum value, and when θ = (2n + 1) * π/2, the cardioid is at its minimum value. These points correspond to horizontal tangent lines on the cardioid.

Vertical Tangent Line:

A vertical tangent line is a tangent line that is perpendicular to the x-axis. To find the points on the cardioid at which there is a vertical tangent line, we need to find the points where the derivative of the curve is equal to zero in the y direction. The derivative of r with respect to y is sin(θ), and setting this derivative equal to zero, we have:

sin(θ) = 0

This equation has solutions when θ = (2n) * π/2, where n is an integer. These points correspond to vertical tangent lines on the cardioid.

Singular Point:

A singular point is a point on the curve at which the curve is not smooth and its tangent line is undefined. To find the singular points on the cardioid, we need to find the points where the second derivative of the curve is equal to zero. The second derivative of r = 1 + cos(θ) with respect to θ is -cos(θ), and setting this derivative equal to zero, we have:

-cos(θ) = 0

This equation has solutions when θ = n * π, where n is an integer. These points correspond to singular points on the cardioid.

In conclusion, the points on the cardioid at which there is a horizontal tangent line are given by θ = n * π and θ = (2n + 1) * π/2. The points at which there is a vertical tangent line are given by θ = (2n) * π/2. The singular points are given by θ = n * π. These points can be used to study the properties and behavior of the cardioid in more detail.

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The concept of instantaneous rate of change, also known as derivative, gives us the rate at which a quantity changes with respect to time at a specific instant. To find the instantaneous rate of change, we can take the derivative of the function that describes the position of the ball.

In this case, the position of the ball is given by the function f(x) = 2Vx, where V is the initial velocity of the ball. Taking the derivative of the function, we get the derivative as f'(x) = 2V, which represents the instantaneous rate of change of the ball's position with respect to time at any instant x.

When x = 9 seconds, the instantaneous rate of change of the ball's position is given by f'(9) = 2V. Therefore, the correct answer is d. 2/3V ft/sec.

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Answer:

i) x ≈ -0.2 or x ≈ 1.2

ii) x ≈ -0.5 or x ≈ 1.5

Step-by-step explanation:

y = 4x^2-4x-1

that means 4x^2-2-4x-1 can be also considered as y

so 4x^2-2-4x-1 = 0 can be considered as y = 0

same goes to 4x^2-2-4x-1 = 2  which is considered as y = 2

since y = 0 and y = 2

we draw a horizontal like at y = 0 and y = 2

then you can determine which points the blue drawn parabola touches the horizontal line drawn

the co-ordinates would be written in (x,y)

i) (-0.2,0) and (1.2,0)

ii) (-0.5,2) and (1.5,2)

Answer:

1. Answer is A 43 degrees

2. Answer is c 65 degrees

Step-by-step explanation: Hope this helps! :))

The side of the square will be 47 cm.

A quadrilateral is a four-sided polygon, having four edges and four corners.

Square is a regular quadrilateral, which has all the four sides of equal length and all four angles are also equal.

Given that the side is x cm

each side of the square is increased by 4cm

Then side will be x+4 cm

The area is increased by 392cm².

x²+392=(x+4)²

x²+392=x²+16+8x

392-16=8x

376=8x

Divide both sides by 8

x=376/8

x=47

Hence, the side of the square will be 47 cm.

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Answer:

.................                

Step-by-step explanation:

        /..........

The correct answer is d. 1/x².

The integrating factor for the given equation is 1/x².

To solve a linear differential equation, we must first find an integrating factor so that the equation can be integrated. The integrating factor for the given equation is 1/x². To calculate it, we must multiply both sides of the equation by the integrating factor.

Let's start by rearranging the equation: y' - y/x = x

We multiply both sides of the equation by the integrating factor, 1/x²:

(1/x²) (y' - y/x) = (1/x²) x

We can simplify the left side of the equation by factoring out the y': y'/x² + (y/x³) = (1/x²) x

We can then solve for the integrating factor: 1/x² + (y/x³) = x/x²

We can then solve for the integrating factor: 1/x². Therefore, the integrating factor for the given equation is 1/x².

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