Circle J has a radius of 10 units, ®K has a radius of 8 units, and BC = 5.4 units. Find the measure.
AD

answer:

7

explanation:

7+14=21

21/3=7

Answer:

Step-by-step explanation:

3x = 7 + 14

3x = 21 (7 + 14 = 21)

x = 7 (divide 3 from both sides) (3x / 3 = x and 21 / 3 = 7)

Hence , the diameter of the trunk of the tree is 2.54 × 10⁻¹ m which is option (B) .

Let the diameter of stem of a flower be " x"  and diameter of the trunk of a tree be " y " .

According to the question  "The diameter of the trunk of a tree is 40 times greater than the stem of the flower " which can be represented by

y = 40 x       .....(1)

It is given that stem of a flower has a diameter of 6.35 × 10⁻³ meters.

Putting x = 6.35 × 10⁻³ in equation (1) , we get

 y = 40 × 6.35 × 10⁻³

 y = 254 × 10⁻³

 y = 2.54 × 10⁻¹ m

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Answer:

3

Step-by-step explanation:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

5-2*3+4   First multiply.

5-6+4 Now do addition or subtraction what comes first, from left to right.

-1+4 =

3

The properties in each step is:

Step 1 and 2: distributive property

Step 3: addition property of equality

Step 4: division property of equality

Given the equation, x + 0.06x - 1.50 = 3.80, we can solve for x using the steps with the following appropriate properties shown below:

Step 1:

(1 + 0.06)x - 1.50 = 3.80 (distributive property)

Step 2:

1.06x - 1.50 = 3.80 (distributive property)

Step 3: Add 1.50 to both sides of the equation

1.06x = 5.30 (addition property of equality)

Step 4: Divide both sides by 1.06

x = 5.00 (division property of equality)

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Using Pythagorean theorem, the student walked 53.58 meters more compared to the total displacement from the starting point.

If a student walks 100 meters north, then 100 meters west, then the path he travels resembles the sides of a right triangle (see attached photo).

Using Pythagorean theorem, we can solve for the total displacement from the starting point to the end point.

c^2 = a^2 + b^2

where c is the total displacement from the starting point to the end point

a is the distance he walks up north

b is the distance he walks to the west

c^2 = 100^2 + 100^2

c^2 = 10,000 + 10,000

c^2 = 20,000

c = 141.42 meters

Comparing the total distance the student walked and the total displacement from the starting point to the end point by subtraction.

100 meters + 100 meters - 141.42 meters = 53.58 meters

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The ΔXYZ is an Right Angled triangle.

Pythagoras Theorem states that the sum square of two sides of triangle is equal to the  square of longest side.

Distance Formula is used to calculate distance between two points A(a,b) and B(c,d)

denoted by [tex]d=\sqrt{(c-a)^{2} +(d-b)^{2} }[/tex]

In the given question , first calculate the length of each side of the triangle.

given X(3,1),Y(3,7),Z(11,1)

using distance formula

XY=[tex]\sqrt{(3-3)^{2} +(7-1)^{2} } =\sqrt{36} =6[/tex]

YZ=[tex]\sqrt{(11-3)^{2} +(1-7)^{2} } =\sqrt{8^{2}+(-6)^{2} } =\sqrt{64+36}= \sqrt{100} =10[/tex]

XZ=[tex]\sqrt{(11-3)^{2}+(1-1)^{2} } =\sqrt{8^{2} } =\sqrt{64} =8[/tex]

The longest side is 10 and other two sides are 8,6.

by using Pythagoras Theorem

[tex]hypotnuse^{2} =base^{2} +perpendicular^{2}[/tex]

[tex]YZ^{2} =XY^{2} +XZ^{2} \\ \\ 10^{2} =8^{2} +6^{2} \\ \\ 100=64+36\\ \\ 100=100[/tex]

Since Pythagoras Theorem is satisfied It is a right  angled triangle.

Therefore ,  The ΔXYZ is an Right Angled triangle.

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Answer:

you should use subtraction to solve this problem

Antonio spent 1/2 hours longer at soccer practice then baseball practice

Step-by-step explanation:

9/10-2/5

9/10-4/10

=

5/10 or 1/2

The solution to the system of equations is (2.5, -2)

The system of equations is given as:

2x + y = 3

2x - 5y = 15

Subtract the equations to eliminate the variable x

This is represented as

2x - 2x + y - -5y = 3 - 15

Evaluate the like terms in the above equation

So, we have

y + 5y = 3 - 15

Evaluate the like terms in the above equation

So, we have

6y = -12

Divide both sides of the above equation by 6

So, we have

y = -2

Substitute y = -2 in 2x + y = 3

2x - 2 = 3

This gives

2x = 5

Divide by 2

x = 2.5

Hence, the solution to the system of equations is (2.5, -2)

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Answer:

2.5, -2

Step-by-step explanation:

Answer:

a ) mean = 1.8

b ) new mean = 11.8

c ) new mean = 23.6

hope this helps

Answer:

Inverse Property of Addition

Step-by-step explanation:

Option D) is correct option that is the function ,  (f + g)(x) = x – 7

Note that if we have been given two functions which are f(x) and g(x) then their addition will be given as

            (f + g)(x) = f(x) + g(x)             (1)

We have been given the equation as

f(x) = -3x - 5     and g(x) = 4x – 2

putting the required value in equation (1) we get

            (f + g)(x) = (-3x-5) + (4x-2)

            (f + g)(x) = -3x – 5 + 4x – 2

            (f + g)(x) = x – 7

Thus option D) is the correct option that is the function,  (f + g)(x) = x – 7

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It should be noted that the distance of

Bellevue from the office be located will be 13.85 miles.

It should be noted that based on the information, the handyman company serves customers from two cities 60 miles apart, Jonesville and Bellevue and the vompany would like to position a new office between the two cities using weighted averages based on the typical number of calls received from each city.

From the information, Jonesville has a weight of 3 and Bellevue has a weight of 5, the distance of

Bellevue from the office be located will be:

= (0 × 5 + 60 × 4) / (5 × 8)

= 180 / 13

= 13.85

The office should be 13.85 miles from Bellevue.

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Using integer addition, the total profit from the Spanish Club's bake sale is $270.

Integer refers to whole numbers(non-fractional numbers) that can either be positive or negative, and zero.

Adding positive integers will result to a positive integer while adding negative integers will result to a negative integer. But, adding a negative integer to a positive integer is the same as subtracting its positive.

If the income from the Spanish Club's bake sale was $300 and the expenses for the sale is $30, the total profit will be:

income = +$300

expenses = -$30

Using integer addition,

profit = income + expenses

profit = +$300 + (-$30)

profit = $300 - $30

profit = $270

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The 46th term of a Arithmetic Progression (AP) is (a₄₆ = 95.)

The difference between the two numerical orders is a constant value in Arithmetic Progression (AP). Another name for it is Arithmetic Sequence.

We'd end up coming across a few key words in AP, which were denoted as:

The AP can also be defined in terms of common differences, as shown below.

Now, in the question, the given sequence is;  3,5,7, ...........

Assume the first term is'a₁' = 3

Assume 'a₂' = 5 is the second term.

Assume the third term is 'a₃' = 7

Find the common difference;

d = a₂ - a₁  

Substitute the values in the above equation;

d = 5 - 3 = 2

Now, to calculate the value of the 46th term use the formula of nth term.

an = a + (n − 1) × d , n = total number of terms = 46.

Substitute all the values;

a₄₆ = 5 + (46 - 1) × 2

a₄₆ = 5 + 45 × 2

a₄₆ = 5 + 90

a₄₆ = 95

Therefore, the value of the 46th term is estimated as 95.

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Solution of polynomial 4/2a = 5/a +6 is , [tex]a=-\frac{1}{2}[/tex]

In mathematics, polynomial function can be defined as the equation which consist of coefficient, variables and exponents. A polynomial equation has positive numbers as their exponent which is also known as its degree. All the equations such as monomials, quadratic equation, cubic equation, linear equation of one degree, two degree and more  which has non  negative number as their powers all are part of polynomial equation and can be taken as types of the polynomial equations.

Some examples of polynomial equation are :

According to question,

[tex]\frac{4}{2a} = \frac{5}{a} +6\\\\= > \frac{2}{a} = \frac{5}{a} +6\\\\= > 5 + 6a =2\\ \\= > 6a = -3\\\\= > a = -\frac{3}{6} =-\frac{1}{2}[/tex]

Thus a = -1/2

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Answer:

  D

Step-by-step explanation:

You want to find the number line that shows the solution to -4 -(-6).

The first number in the "sum" is -4, so the first arrow on the number line should go from 0 to -4. (All choices show that.)

The second number is -6. Addition of -6 would create an arrow from -4 going 6 units to the left. Subtraction works in the opposite direction, so the subtraction of -6 will show as an arrow from -4 extending 6 units to the right. Only answer choice D shows this.

__

Additional comment

You know the solution is -4 -(-6) = -4 +6 = +2, so the graph showing the solution will have an arrow ending at +2. This eliminates all answer choices except the correct one.

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Answer:

P(17.4 < X < 22.6) = P((X-20)/2.6 < (22.6-20)/2.6) = P(Z < 1.38)

From a standard normal table, we find that P(Z < 1.38) = 0.9128

Step-by-step explanation:

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The length of the fence around the triangular land is equal to 180 meters.

The perimeter of a figure is the sum of the side lengths of the figure. Triangles have three sides and we need to determine the perimeter of the triangular land. If we know that l₁ = 55 meters, l₂ = 60 meters and l₃ = 65 meters, then the perimeter of the figure is:

p = l₁ + l₂ + l₃

p = 55 m + 60 m + 65 m

p = 180 m

The length of the fence around the triangular land is equal to 180 meters.

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Mr. Shaw can use 70 shelves with 2 books each.

or

Mr. Shaw can use 35 shelves with 4 books each.

or

Mr. Shaw can use 28 shelves with 5 books each.

or

Mr. Shaw can use 20 shelves with 7 books each.

or

Mr. Shaw can use 14 shelves with 10 books each.

Mr. Shaw has 140 books in his library.

Divisibility rule of 2:

A number is always entirely divisible by 2 if it is even or has an even last digits, such as 2,4,6,8, or 0.

The last digit of 140 is 0 which is an even number. So, 140 is divisible by 2.

Therefore,

Number of shelves = 140/2 = 70

Divisibility rule of 4:

An integer is divisible by 4 if its last two digits are also divisible by 4. A number is divisible by 4 if its last two digits are zeros since 4 divides 100.

The last two digits of 140 are 4 and 0.

Now, 40/ 2 = 20. Hence, 140 is divisible by 4.

Therefore,

Number of shelves = 140/4 = 35

Divisibility rule of 5:

If the last digit of a given integer is either 5 or 0, then the number is divisible by 5 according to the divisibility rule of five.

Since the last digit of the number 140 is 0. Hence 140 is divisible by 5.

Therefore,

Shelves = 140 / 5 = 28

Now,

Divisibility rule of 7:

According to the divisibility rule of 7, if a number is divisible by seven, then "the difference between twice the unit digit of the provided number and the remaining part of the given number should be a multiple of seven or it should be equal to zero."

140 = 14 - 2 × 0 = 14

Since 14 is divisible by 7. Hence 140 is divisible by 7.

Therefore,

Number of shelves = 140 / 7 = 20

Similarly,

Divisibility rule of 10:

The divisibility rule for 10 states that any number whose last digit is 0, is divisible by 10.

As the last digit of 140 is 0, hence 140 is divisible by 10.

Therefore,

Number of shelves = 140/10 = 14

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The coordinates of one point in the solution set are (2, 0)

The system of inequality is given as

-7x + 3y < 3

5x + 7y ≥ -7

The graph that completes the question is added as an attachment

From the question, we also have the graph that represents the inequalities in the above system of inequality

As a general rule, the shaded region in a system of inequality represents the solution set

From the attached graph, the point (2, 0) is in the shaded region

Hence, the coordinates of one point in the solution set are (2, 0)

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The length of BD is 4.29

BF is the radius of circle and CE is the chord. BF perpendicularly bisects the chord into two equal halves. Thus, we can say that -

CD = 1/2CE

Keep the values in equation to find the value of CD

CD = 1/2×13.5

CD = 6.75

Now, taking BCD as right angled triangle, we can say -

BC is hypotenuse, CD is base and BD is perpendicular. Using Pythagoras theorem to find the length of BD.

BC² = CD² + BD²

8² = 6.75²  + BD²

BD² = 64 - 45.5625

BD² = 18.4375

BD = √ 18.4375

BD = 4.29

Hence, the length of BD is 4.29

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The complete question is attached in the image below.

Based on the table of the number of species in the United States, the probability that a randomly selected endangered species is a bird is 17.1%

The probability that a randomly selected mammal is endangered is 81.4%.

The probability that when an endangered species is selected randomly, it is a bird can be found as:

= Number of endangered birds / Number of endangered species

= 80 / (70 + 80 + 318)

= 17.1%

The probability that should a randomly selected mammal be picked, the mammal is endangered is:
= Number of endangered mammals / Number of mammals

= 70 / (70 + 16)

= 81.4%

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Answer: 48x⁸y⁶

Step-by-step explanation:

[tex]6x^2y^3(2x^2y)^3=\\6x^2y^32^3(x^2)&^3y^3=\\(6)(8)(x^2)(x^{(2)(3)}})(y^{3+3})=\\48(x^2)(x^6)y^6=\\48x^{2+6}y^6=\\48x^8y^6[/tex]

Answer:

[tex]48 {x}^{8} y^{6} [/tex]

Step-by-step explanation:

[tex]1. \: 6 {x}^{2} y {}^{3} \times 2 {}^{3}( {x}^{2}) {}^{3} y {}^{3} \\ 2. \: 6x {}^{2} y {}^{3} \times 8( {x}^{2} ) {}^{3} y {}^{3} \\ 3. \: 6x {}^{2} y {}^{3} \times 8x {}^{6} y {}^{3} \\ 4. \: (6 \times 8)x {}^{2}x {}^{6} y {}^{3} y {}^{3} \\ 5. \: 48 {x}^{2} x {}^{6} y {}^{3} y {}^{3} \\ 6. \: 48x {}^{2 + 6} y {}^{3 + 3} \\ 7. \: 48x {}^{8} y {}^{3 + 3} \\ 8. \: 48x {}^{8} y {}^{6} [/tex]

The simplified expression for (6-5 / 4-2) is 1/2 .

The given expression is,

6-5 / 4-2

First we need to solve the numerator which is (6-5) and on simplifying the numerator we can write,

Numerator = ( 6 - 5 ) = 1                         equation 1

Similarly, now we can proceed to solve the denominator which is (4 - 2) and on simplifying the denominator we write,

Denominator  = (4 - 2) =2                       equation 2

Now we can substitute the value of numerator and the denominator from equation 1 and equation 2 in the given expression (6-5 / 4-2) as,

(Numerator / Denominator) = (6-5 / 4-2) = 1/2

The simplified expression for (6-5 / 4-2) is 1/2 .

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Answer:

x=8

Step-by-step explanation:

multiply both sides of the equation by 8

combine like terms

divide both sides of the equation by -5

The domain of the function is {x | 2 ≤ x ≤ 9}

The domain of the function is the set of input values of the graph

The given parameters are

A linear function begins with closed circle at (2,0) and ends with a closed circle at (9,7)

This is represented as

(x, y) = Closed (2, 0)

(x, y) = Closed (9, 7)

Remove the y values to determine the domain

x = Closed 2

x = Closed 9

The closed statement represents the inequality ≤

So, we have

2 ≤ x ≤ 9

Hence, the domain of the function is {x | 2 ≤ x ≤ 9}

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Answer:

B. {x | 2 ≤ x ≤ 9}

Step-by-step explanation:

4 lines of symmetry are there in the pattern.

What are an example and a pattern?

The square's two diagonals are symmetry lines.

Additionally, symmetry lines are formed by connecting the midpoints of the opposing sides. Consequently, there are four lines of symmetry overall.

4 lines of symmetry are there in the pattern.

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Answer:

5x - 6y + 126 = 0

Step-by-step explanation:

y-y1=m(x-x1)

y - 6 = 5/6 (x - (-18))

6y - 36 = 5x + 90

5x - 6y + 126 = 0