The circumference of a circle of diameter 3,5 cm is 11 cm. What is the circumference of a circle of diameter 42 cm?
Answer ... cm

Answer:

1/3

Step-by-step explanation:

the is slope of this graph is 1_3

Answer:

1/3

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Step-by-step explanation:

To find the slope of a graph you need to look for 2 pairs of accurate xand y values

First value which is accurate is:

x = 1 and y= 4

Second pair which is accurate is :

x = 7 and y = 6

Gradient = rise/run = y2-y1/x2-x1

im taking y2 as 6, x2 as 7, y1 as 4 and x1 as1

6-4/7-1

=2/6

=1/3

Answer:

480 cm³

Step-by-step explanation:

volume = width × heigh × length

volume = 10 cm × 8 cm × 6 cm

volume = 480 cm³

Hope it Help~

Answer:

0.0131086142

Step-by-step explanation:

I just put in the calculator.

Answer:

85x10.5%=8.925

Step-by-step explanation:

The quadratic equation is [tex]9x^2-2/3x-\frac{1+2\sqrt{2}}{3}[/tex]

Quadratic Equation:

A quadratic function is a function of degree two.

The general form of the quadratic equation is as follows:

x² + (sum of roots)x + Product of roots.

Given,

Here we have the roots,

[tex]\frac{-1-\sqrt{2} }{3} ,\frac{-1+\sqrt{2} }{3}[/tex]

And the coefficient with x² is equal to 9.

Through the given details we have to find the quadratic equation.

To find the equation we have to identify the sum of roots and the product of roots.

So, the sum of roots is,

[tex]= > \frac{-1-\sqrt{2} }{3} +\frac{-1+\sqrt{2} }{3}[/tex]

[tex]= > \frac{-1 }{3} +\frac{-1 }{3}\\= > \frac{-2}{3}[/tex]

Now the product of roots is,

[tex]= > \frac{-1-\sqrt{2} }{3} \times\frac{-1+\sqrt{2} }{3}[/tex]

[tex]= > \frac{1-\sqrt{2}-\sqrt{2}-2 }{3}=\frac{-1-2\sqrt{2} }{3}[/tex]

So, the quadratic equation is,

[tex]= > 9x^2-2/3x-\frac{1+2\sqrt{2}}{3}[/tex]

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Answer:

z = 9

Step-by-step explanation:

X is not a valve is it a multiplication sign. I believe that you are looking for the value of z.

To find the value of z you simply have to count how many times you moved the decimal point. In this case you move the decimal point 9 times. Since you move it to the left z is positive. Z=9  

Answer: same side interior angles

Step-by-step explanation:

The most appropriate choice for trigonometric function will be given by

Greatest value = 2, least value = -3

What are trigonometric functions?

Trigonometric functions are those functions which shows the relationship between side and angle of a right angled triangle.

There are six trigonometric functions-

[tex]sin\theta, cos\theta, tan\theta, cot\theta, sec\theta, cosec\theta[/tex]

[tex]sin\theta=\frac{perpendicular}{hypoteunse}\\ \\cos\theta=\frac{base}{hypoteunse}\\\\tan\theta=\frac{perpendicular}{base}\\\\cot\theta=\frac{base}{perpendicular}\\\\sec\theta=\frac{hypotenuse}{base}\\\\cosec\theta=\frac{hypotenuse}{perpendicular}[/tex]

Here,

5 ii)

[tex]2 sin^{2} x - 3cos^{2}x \\2(1-cos^2x)-3cos^2x\\2 - 2cos^2x -3cos^2x\\2 - 5cos^2x\\[/tex]

Now,

[tex]0\leq cos^{2}x \leq 1\\ -1 \leq -cos^2x\leq 0\\-5\leq -5cos^2x\leq 0\\-5+2\leq 2-5cos^2x\leq 0+2\\-3\leq 2-5cos^2x\leq 2[/tex]

Greatest value = 2, least value = -3

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Answer:

2x+20≥84

2x≥64

x≥32

Step-by-step explanation:

The greatest possible integer value for the mean is calculated as 59.

Assume that the three piles contain A,B,C rocks, that mean of pile C is x, and the mean of a combination of B and C is y. We will maximize y if the following conditions are met:

40A + 50B = 43(A+B)

40A + xC = 44(A+C)

50B + xC = y(B+C)

that can be reorganized as follows:

7B = 3A

(x - 44)C = 4A

(x - y)C = (y - 50)B

Let's see if y=59 is possible. If so, it's already the solution. Otherwise, there will be an inconsistency. As a result, the third equation is as follows:

(x - 59)C = 9B.

So, 15C = (x-44)C - (x-59)C = 4A - 9B

45C = 4(3A) - 27B = 28B - 27B,

105C = 28A-9(7B) = A

Thus,

A = 105C, B = 45C, Put the values

x = 4(105) + 44 = 464, That gives consistent solution.

Therefore, the value of y is found to be 59, the greatest possible integer value for the mean.

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Answer:

percentage of boys:

6/20x100

=30%

percentage of girls:

14/20x100

=70%

Answer:

Step-by-step explanation:

70%

The domain of the relation is 2, 5, 3, 6 and 7.

The domain of the relation can be found as follows;

The domain of a function is the set of all possible inputs for the function.

The domain are usually the independent variable of a function.

The domain are associated with the x values.

Hence, the domain of the relation is as follows:

domain = {2, 5, 3, 6 , 7}

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Answer:

Step-by-step explanation:

5 1/4 feet above sea level minus 15 1/2 will equal the distance the diver is below sea level.

5 1/4 - 15 1/2 = 10 1/4 feet below sea level

Answer: A straight line can be drawn through all the points, and the line passes through the origin.

Step-by-step explanation:

0.5kg per foot

Answer:

Step-by-step explanation:

The new coordinates of the vertices a'b'c' are (-5, -2.5), (2.5, 5) and (5, -10) respectively of the triangle.

For the given question;

The vertices  of the triangle has the coordinates of a, b and c;

The dilation of the abc is factored with the scale factor of 2.5.

Thus, to find the new coordinates of a'b'c' multiply each value with 2.5.

Thus, the new coordinates of the vertices a'b'c' are (-5, -2.5), (2.5, 5) and (5, -10) respectively.

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Consequently, the combined perimeter of the square and rectangle in the previous diagram is 36 cm.

We combine each side's value.

For instance, the typical solution is to multiply the length by two and the width by two, then add the results to determine the perimeter if the quadrilateral is a square, rectangle, parallelogram, or any other shape with two equal opposite sides and angles.

In the given diagram, we can infer that

the diagram is a combination of a square and a rectangle

so for the rectangle:

the perimeter is =2(l+b)

                          =2(8+5)

                          =26 cm

so for the square :
the perimeter is =2(side +side):

                          =2(5+5)

                          =20cm

to get the total perimeter ,we will add both the perimeters but subtract one side (5cm) because it is common in both the quadrilaterals twice:

so we get:

20+26-10=36cm

Therefore,  the perimeter of the preceding diagram of a square and a rectangle  combined is 36cm.

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Answer:

64.9

Step-by-step explanation:

Since 7 is equal to or above 5 it will add +1 to the 8

Answer:

64.87 rounded to the nearest tenth is 64.9 since it is past 5 :)

Step-by-step explanation:

Answer: 4. 27x + 18            8. 4x - 5

Step-by-step explanation: should be right

Answer:

Step-by-step explanation:

The correct statement is all negative number are to the left of zero on a number line.

When you look at a number line you will see negative numbers, 0, then positive numbers ( -# ------- 0 -------- +#), you an see the negative numbers are on the left.

The following are the properties of the given logarithmic function f(x) = -log3x+6:

The function's domain is (0, ∞).

The function's range is  (-∞, ∞) i.e. the set of all real numbers.

At x = 0, the component shows the presence of a vertical asymptote.

The constant reflects the x-axis logarithm.

There are four basic properties of logarithms:

logₐ(xy) = logₐx + logₐy.

logₐ(x/y) = logₐx - logₐy.

logₐ(xⁿ) = n logₐx.

logₐx = logₓa / logₓb.

We have been given that the function f(x) = -log3x+6

As per the above function,

The function's domain is (0, ∞).

The function's range is  (-∞, ∞) i.e. the set of all real numbers.

At x = 0, the component shows the presence of a vertical asymptote.

The constant reflects the x-axis logarithm.

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When the student needs to select a statistical question to research for a project, the question that he should select is D. How many students in my class were absent last Wednesday?

Any question that may be answered statistically is one for which data collection is possible and for which there will be some degree of data variability. Because there is no variability in the data used to answer the question, questions that can only be answered with a single data point are not statistical questions.

To do research for a project, a student must choose a statistical question. In this case, it should be noted that it's important to select a question that's specific. This was illustrated by option D.

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a) f is strictly increasing function then f is one to one

b) f: R-> R such that f(x) = x^n where n is even is not one to one

suppose that f is strictly increasing function

we have to prove that f is one to one

let us assume f(x1) = f(x2)

we have to prove x1=x2

since f is strictly increasing function

then x2>x1 and x1> x2

this implies that x1=x2

and Hence f is one to one function

b) f:R->R such that f(x) = x^ n where n is even is not one to one

because f(1)= f( -1)

but -1 is not equal to 1 therefore f is not one to one function

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Answer:

20 inches

Step-by-step explanation:

7x2=14

3x2=6

14+6=20

Answer:

Mrs. Williams made her homemade chicken soup. She made 6 3/4 cups of soup. Each serving size was 1 1/8 cup. = 6

Step-by-step explanation:

this picture below shows how to solve the problem step by step hope this really helps !

Answer:

t=n*c where t=total cost

Step-by-step explanation:

Using the numeric value of functions, it is found that the pole vaulter will run 50 feet farther in 2 seconds.

To find the numeric value of a function, we replace each instance of the variable by the desired value.

The formula for the velocity is given as;

v=8√h

where h is the height.

we have the height is of h = 9.8,

hence:

v = 8√(9.8) = 25 feet per second.

The holder was running at the rate of 25 feet per second.

Then, within two seconds, the distance is given as;

d = 25 x 2 = 50 feet.

Hence, The pole vaulter will run 50 feet farther in 2 seconds.

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