What is A∩B in math?

A unit of measurement which is equal to one thousands meters is known as one kilometers.

Therefore, the given units of measurement equal to one thousand meters is called one - kilometers.

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A yearly salary of $47,000 is equivalent to an hourly rate of approximately $22.60 per hour.

To convert a yearly salary to an hourly rate, you need to divide the annual salary by the number of working hours in a year.

Assuming a typical workweek of 40 hours and 52 weeks in a year, the total number of working hours in a year is:

40 hours/week x 52 weeks/year = 2,080 hours/year

To calculate the hourly rate for a yearly salary of $47,000, you can divide the annual salary by the total number of working hours in a year:

$47,000 / 2,080 hours = $22.60 per hour

Therefore, a yearly salary of $47,000 is equivalent to an hourly rate of approximately $22.60 per hour.

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The area of the rectangle is 200 square centimeters

The area of a rectangle can be found by multiplying its length and width. In this case, the width is given as w and the length is given as 2w.

Therefore, the area of the rectangle can be found using the expression 2w^2.

If the width of the rectangle is 10 centimeters, we can substitute this value into the expression for the area to find the area in square centimeters.

Area = 2w^2

= 2(10)^2

= 2(100)

= 200 square centimeters

Therefore, the area of the rectangle is 200 square centimeters

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In the given figure , the measure of angle p is 41 degrees.

A quadrilateral is a closed figure that has four sides, four vertices, and four angles. It is a form of polygon. In order to create it, four non-collinear points are joined. Quadrilaterals always have a total internal angle of 360 degrees.

It is given that the kite is shares a side with an equilateral triangle to form a new quadrilateral.

The side of kite which is attatched to triangle contains an angle of 79 degree.

the other end of side which is attatched to the triangle contains angle of 120 degree because it is attatched to the side of triangle which makes a straight line and the triangle is having each angle of 60 degrees.

So, the angle opposite to it will also be of 120 degrees.

Now in the kite, the angles are,

79+120+p+120=360

p=360-319

p=41 degrees

Hence, the measure of angle p is 41 degrees.

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Given piecewise function has a jump discontinuity at 0 or x=0 i.e. B.

What exactly is a piecewise function?

A piecewise function is one that has multiple definitions in different x intervals. A piecewise function's graph is divided into parts that correspond to each of its definitions. A very excellent example of a piecewise function is the absolute value function. Let us investigate why it is thus named. We know that an absolute value function is defined as f(x) = |x|.

f(x)=(x if x≥0 ,

     -x  if x><0)

This piecewise function should be interpreted as

When x is higher than or equal to 0, f(x) equals x.

When x is less than zero, f(x) equals -x.

Now,

As jump discontinuity is defined as where the endpoint of one segment and the start of the following segment may have the same x coordinate but have different values of f(x). In the piecewise linear function, such a difference is known as a jump discontinuity.

and in the given graph that happened at x=0 or 0.

Hence,

         Given piecewise function has a jump discontinuity at 0.

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Note that if m/3 = 54°, then the measure of each missing angle are given as follows:

a. m<1= 36°

b. m<2= 90°

c. m<4= 36°

d. m<5= 90°

e. m<6= 45°

f. m<7= 126°

g. m<8= 54°

h. m<9= 126°

i. m<10= 45°

j. m<11 = 36°

k. m<12 = 144°

l. m<13 = 36°

m. m<14 = 144°

We are given three clues from which we solve the missing angles.

Clue 1: m∠3 given as 54°

Clue 2: m∠ 2 given as 90°

The two lines that (are now labeled AB and CD are parallel to one another. Thus:

a) ∠1, ∠2, and ∠3 are complimentary, ∠1 = 180 - (90+54) = 36°

b) ∠2 = 90° (given)

c) ∠4 = 36° (Opposite angles) ∠1 ≅ ∠4

d) ∠5 =90°  (Opposite angles) ∠2 ≅ ∠5

e) ∠6 = 54°  (Opposite angles) ∠13≅ ∠6

f) ∠7 = ∠1+∠2 (since Line EF is perpendicular to GH, (∠1+∠2) are corresponding angles to ∠7
g) ∠8 = 54° (∠3 and ∠8 are corresponding angles)

h) ∠9 = 126° (∠9 corresponds to ∠5 and ∠4; an alternate explanation is the angle on straight line (∠8 and ∠9) (180-54 = 126°)

i) ∠10 = 54° (∠6 and ∠10 are corresponding angles)

j) ∠11 = 36° (∠11 and ∠1 are corresponding angles)

k) ∠12 = 144° (∠12 corresponds to (∠2+∠3)

l) ∠13 = 36° ( ∠12 and ∠13 are supplementary angles)

m) ∠14 = 144° (∠12 and ∠14 are opposite angles)

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Answer:

10y - 3

Step-by-step explanation:

(y + 9y) + (-10 - 3)

(1 + 9) x y + (-10 - 3)

10y - 13

The value of x and y in the equations are as follows:

x = -8

y = -1

System of equation can be solved using different method such as elimination method, substitution method and graphical method. Therefore, let's use elimination method to solve the equation.

Therefore,

8x - 8y = -8

-3x + 4y = -4

multiply equation(ii) by 2

8x - 8y = -8

-6x + 8y = -8

add the equations

2x = -16

x = -16 / 2

x = -8

Let's find y

-8y = -8 - 8x

-8y = -8 - 8(-8)

-8y = -8 + 16

-8y = 8

y = 8 / -8

y = -1

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The equation of the circle that models the circumference of the circular area the bees were foraging in is given as follows:

(x - 3)² + (y - 7)² = 41.

The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:

[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]

A beehive is located at (3, 7), hence the center is located at (3,7), thus:

(x - 3)² + (y - 7)² = r².

The farthest patched was located at (-1,2), hence the radius is obtained as follows:

(-1 - 3)² + (2 - 7)² = r²

r² = 41.

Hence the equation is:

(x - 3)² + (y - 7)² = 41.

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The required probability that a randomly selected lid will fit on a randomly selected cup is 0.9772, or 97.72%.

Normal distributions can be altered to standard normal distributions by the formula:

Z = (X - μ)/σ

The difference in diameter between the lid and cup, D = L - C, is also a normal distribution with mean μ(D) = μ(L) - μ(C) = 3.98 - 3.96 = 0.02 inches and standard deviation σ(D) = √(σ² (L)+ σ²(C)) = 0.03 inches.

The probability that a randomly selected lid will fit on a randomly selected cup is the probability that D is between 0 and 0.06 inches. To find this probability, we can standardize D using the z-score formula and find the corresponding area under the standard normal curve.

Let z = (D - μ) / σ.
Then, the required probability is,
P(0 < D < 0.06) = P(0 < z < (0.06 - 0.02) / 0.03) = P(0 < z < 2).

We can use a standard normal table or a calculator to find the area under the standard normal curve between 0 and 2. This area represents the required probability. For example, using a standard normal table, we can find that P(0 < Z < 2) = 0.9772.

Therefore, the probability that a randomly selected lid will fit on a randomly selected cup is 0.9772, or 97.72%.

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Answer:

h = 10.0708 cm

Area of shaded region = 8.1841 [tex]cm^{2}[/tex]

Step-by-step explanation:

r = radius of circle

 = 14 cm

h = perpendicular height of triangle

Use SinФ trigonometric function to determine h

SinФ = [tex]\frac{Opposite}{Hypotenuse}[/tex]

Sin46° = [tex]\frac{h}{14}[/tex]

Cross-multiplication is applied:

∴h = (14)(Sin46°)

   h = 10.0708 cm (Rounded to four decimal places)

Area of sector = [tex]\frac{AngleOfSector}{360^{o}}[/tex] × ([tex]\pi r^{2}[/tex])

                         = [tex]\frac{46}{360}[/tex] × [tex]\pi (14^{2})[/tex]

                         = [tex]\frac{9016}{360} \pi[/tex] [tex]cm^{2}[/tex]
                         = 78.68 [tex]cm^{2}[/tex]

Area of triangle = [tex]\frac{1}{2}[/tex] × (Base of triangle) × h

                           = [tex]\frac{1}{2}[/tex] × (14 cm) × [(14)(sin46°)]
                           = (98)(sin46°)

                           = 70.50 [tex]cm^{2}[/tex]

∴Area of yellow shaded region = Area of sector - Area of triangle

           = {[[tex]\frac{9016}{360} \pi[/tex]] - [(98)(sin46°)]} [tex]cm^{2}[/tex]

           = 8.1841 [tex]cm^{2}[/tex]  (Rounded to four decimal places)

The difference between a right circular cylinder and a cylinder is that a right circular cylinder has a circular base and is perpendicular to the base, whereas a cylinder can have any shaped base and the sides do not have to be perpendicular to the base.

A right circular cylinder has a circular base and its sides are perpendicular to the base, forming a right angle. This means that the axis of the cylinder is at a right angle to the base.

On the other hand, a cylinder can have any shaped base, such as a rectangle or an ellipse, and the sides do not have to be perpendicular to the base. This means that the axis of the cylinder can be at any angle to the base.

In summary, the main difference between a right circular cylinder and a cylinder is the shape of the base and the angle of the sides to the base. A right circular cylinder has a circular base and perpendicular sides, while a cylinder can have any shaped base and the sides can be at any angle to the base.

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The statements that are not characteristics of a normal curve are III, IV, and VI. The answer is B.

A normal curve is a bell-shaped probability distribution that is commonly used in statistics. It has several key characteristics that make it useful in modeling real-world data. These include the fact that the mode and median occur at the mean, the curve is symmetric about the mean, and the total area under the curve and above the horizontal axis is equal to 1.

In addition, the normal curve is asymptotic to the horizontal axis on both sides. However, not all normal curves are asymptotic to the horizontal axis on both sides, as this is only true for curves with a finite standard deviation.

Finally, the probability that a normal random variable is equal to a specific discrete value is always zero, since the normal variable is continuous, and the probability that the variable is between two values is given by the area under the curve between those values and the horizontal axis.

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A graph of the resulting image after the given triangle is rotated 90° counterclockwise about the origin is shown in the image below.

In Geometry, the rotation of a point 90° about the center (origin) in a counterclockwise (anticlockwise) direction would produce a point that has these coordinates (-y, x).

By applying a rotation of 90° counterclockwise to the vertices of triangle ABC, the coordinates of the vertices of the image are as follows:

(x, y)                               →            (-y, x)

Ordered pair A  = (-5, 7) → Ordered pair A' = (-(7), -5) = (-7, -5).

Ordered pair B  = (-8, 3) → Ordered pair B' = (-(3), -8) = (-3, -8).

Ordered pair C  = (-2, 6) → Ordered pair C' = (-(6), -2) = (-6, -2).

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Answer: To compare the costs between the two suppliers, we need to find the total cost of 83 bushes and 22 trees from each supplier.

For Pinedale Plants:

The first order was for 10 bushes and 5 trees, so the cost per bush is $393.6 / 10 = $39.36.

The second order was for 5 bushes and 2 trees, so the cost per bush is $177.32 / 5 = $35.464.

To find the average cost per bush from Pinedale Plants, we can take the average of the two costs: ($39.36 + $35.464) / 2 = $37.412

The total cost from Pinedale Plants for 83 bushes would be 83 * $37.412 = $3108.976

The total cost from Pinedale Plants for 22 trees would be 22 * $35.464 (since the cost per tree was not specified), which is $777.75

The total cost from Pinedale Plants for 83 bushes and 22 trees would be $3108.976 + $777.75 = $3886.726

For Sierra Shrubs:

The cost per bush from Sierra Shrubs is $18.27

The total cost from Sierra Shrubs for 83 bushes would be 83 * $18.27 = $1510.01

The cost per tree from Sierra Shrubs is $41.96

The total cost from Sierra Shrubs for 22 trees would be 22 * $41.96 = $923.12

The total cost from Sierra Shrubs for 83 bushes and 22 trees would be $1510.01 + $923.12 = $2433.13

So, we can see that the total cost from Sierra Shrubs for 83 bushes and 22 trees is lower than the total cost from Pinedale Plants. The company would save $3886.726 - $2433.13 = $1453.596 by ordering from Sierra Shrubs.

Step-by-step explanation:

The value of x from the right triangle is x = 3√11

A triangle is a plane figure or polygon with three sides and three angles.

A Triangle has three vertices and the sum of the interior angles add up to 180°

Let the Triangle be ΔABC , such that

∠A + ∠B + ∠C = 180°

The area of the triangle = ( 1/2 ) x Length x Base

For a right angle triangle

From the Pythagoras Theorem , The hypotenuse² = base² + height²

if a² + b² = c² , it is a right triangle

if a² + b² < c² , it is an obtuse triangle

if a² + b² > c² , it is an acute triangle

Given data ,

Let the first triangle be ΔABC

Let the second triangle be ΔDBC

Now , BD is perpendicular to AC

So , the triangles ΔABC and ΔDBC are similar

The measure of BD = x

The measure of AD = 9

The measure of DC = 20

Now , AD / AB = AB / DC

Substituting the values in the equation , we get

9/a = a/20

On simplifying the equation , we get

a² = 180

So , a = 3√20

For a right angle triangle

From the Pythagoras Theorem , The hypotenuse² = base² + height²

Now , the measure of x = √ ( 3√20 )² - ( 9 )²

So , the measure of x = √ ( ( 180 ) - 81 )

The measure of x = √ 99

The measure of x = 3√11

Hence , the measure of x of triangle is 3√11

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The circumcenter of the triangle is (-3, -4), units.

The circumcenter is the intersection point of the perpendicular bisectors of sides of a triangle. It is the Centre of a triangle's circumcircle.

For a right-angled triangle, the circumcenter lies on the hypotenuse.

The middle of the horizontal length of the triangle = - 3

The  middle of the vertical length of the triangle = - 4

The circumcenter of the triangle is located at (x, y ) = ( -3, -4 )

Thus, the circumcenter of the triangle is determined from the interception point of the horizontal length and vertical length.

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After rounding off the numbers product of the given numbers is 27000.

Multiplication is an operation that represents the basic idea of repeated addition of the same number. The numbers that are multiplied are called the factors and the result that is obtained after the multiplication of two or more numbers is known as the product of those numbers.

The given number are 88 and 304.

Rounding each number to the nearest 10

That is, 88 to 90 and 304 to 300

Now, 88×304 can be written as

90×300

= 27000

Therefore, after rounding off the numbers product of the given numbers is 27000.

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The prime factorization of 35 is 5 * 7

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

Number = 35

Express 35 as the product of its factors

So, we have the following representation

Number = 5 * 7

None of the factors 5 and 7 can be further simplified

This means that the prime factorization of 35 is 5 * 7

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[tex]\dfrac{2}{3}x=6[/tex]

[tex]\dfrac{\frac{2}{3}x}{\frac{2}{3}}=\dfrac{6}{\frac{2}{3}}\\\\x=\dfrac{6}{\frac{2}{3}}\\\\x=6\div\dfrac{2}{3}[/tex]

[tex]x=6\times\dfrac{3}{2}\\\\x=\dfrac{18}{2}\\\\x=9[/tex]

x = 9

Answer:

Step-by-step explanation:

Based on the information given, we can calculate the change in the depth of the river between the years 1846, 1847, and 1848.

Change in depth between 1846 and 1847:

The depth of the river dropped from 5 feet in 1846 to 4.9 feet in 1847. The change in depth can be calculated as:

Change in depth = 4.9 - 5 = -0.1 feet

So, the depth of the river dropped by 0.1 feet between 1846 and 1847.

Change in depth between 1847 and 1848:

The depth of the river rose from 4.9 feet in 1847 to 6.4 feet in 1848. The change in depth can be calculated as:

Change in depth = 6.4 - 4.9 = 1.5 feet

So, the depth of the river increased by 1.5 feet between 1847 and 1848.

Answer:

B.y=(x+2)

Step-by-step explanation

164 pounds is equal to 74.389 kilograms (kg). To convert pounds to kilograms, you can use the conversion factor of 0.45359237, which is the number of kilograms in one pound.

To convert 164 pounds to kilograms, you can use the conversion factor of 0.45359237, which represents the number of kilograms in one pound. Multiplying 164 pounds by this conversion factor gives the result in kilograms. Using this method, 164 pounds is equivalent to 74.389 kilograms. This conversion is useful in many situations, such as when traveling to countries that use the metric system, or when working with scientific measurements that use metric units. Understanding the relationship between pounds and kilograms can help to make conversions easier, and allow for more accurate and consistent measurements across different systems of measurement.

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Answer: 15/7

Step-by-step explanation:

9/16 / 7/10 = 9/6 * 10/7 multiply by recipricol to find answer

90/42

15/7 simplify

Answer:

6

Step-by-step explanation:

F = 4 x 6 / 2^2

= 6

Nul(A) = Nul(B) , Col(A) = Col(B) in integer matrices.

Describe matrix using an example?

A matrix is a collection of numbers that have been put in rows and columns to make a rectangular array. The entries of the matrix are the numbers, which are referred to as its elements.

                                 In addition to many other areas of mathematics, matrices have extensive applications in the fields of engineering, physics, economics, and statistics.

The null space of any matrix A consists of all the vectors

 X  such that Ax = 0

And the column space of a matrix A is the span of its column vectors.

Let  A = [tex]\left[\begin{array}{ccc}1&0&0 \\0&1&0\\0&0&1\end{array}\right][/tex]

Therefore, Nul(A) = {(0,0,0,w ) w∈ Z }

 Col(A) = span{ (1,0,0), (0,1,0) , (0,0,1) }

By using definition of Null space of matrix and column space of matrix.

 Let B = [tex]\left[\begin{array}{ccc}1&1&0\\0&1&0\\0&0&1\end{array}\right][/tex]        

Nul(A) = {(0,0,0,w ) w∈ Z }

 Col(A) = span{ (1,0,0), (0,1,0) , (0,0,1) }

Hence Nul(A) = Nul(B) , Col(A) = Col(B)

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Based on degree, polynomials can be classified as follows:

Then for number of terms, there are monomials with a single term, binomials with two terms, trinomials with three terms and multinomials with more than three terms.

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According to hing theorem, the following inequalities describe each triangle:

According to Euclidean geometry, the hing theorem states that if two triangles with two pairs of congruent sides and the former triangle has larger internal angle, then the third side of the former triangle is longer than the third side of the latter triangle.

Mathematically speaking, the relationship between the third can be expressed in terms of inequalities. Now we proceed to express the inequalities in terms of variable x for each case below:

The letter e has been eliminated from hing[e] due to profanity detector.

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The Probability that all four of the light bulbs work is 0.004 approx.

The probability that all four light bulbs work can be calculated by taking the product of the probability that each individual light bulb works. If each light bulb works independently of the other light bulbs, then the probability that all four light bulbs work is:

P(all 4 bulbs) = P(bulb 1) * P(bulb 2) * P(bulb 3) * P(bulb 4)

P(all 4 bulbs) = 0.25 * 0.25 * 0.25 * 0.25

P(all 4 bulbs) = 0.25^4

P(all 4 bulbs) = 0.00390625

So, the probability that all four light bulbs work is 0.00390625 or approximately 0.004.

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