A
D
In parallelogram
m (2x +12)
5x°
B
C
ABCD, m Find the value of X
and of

For each variable, the possible values are:

a) T = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

b) X = {-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6}

c) U = {0, 1, 2, 3, 4, 5, 6}

d) Z = {0, 1, 2}

Item a:

In total, there are 10 pumps, hence the possible values are all integers from 0 to 10, that is:

T = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Item b:

In the first, there are 6 pumps, and in the second 4, hence, the difference ranges from -4 to 6, that is:

X = {-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6}

Item c:

The maximum number in a station is 6 pumps, hence this variable ranges from 0 to 6.

U = {0, 1, 2, 3, 4, 5, 6}

Item d:

Either none of the stations has exactly two pumps in use, or one has or both, hence the variable ranges from 0 to 2.

Z = {0, 1, 2}

The question is incomplete. The complete question is:

"The number of pumps in use at both a six-pump station and a four-pump station will be determined. Give the possible values for each of the following random variables. (Enter your answers in set notation.)

a. T = the total number of pumps in use

b. X = the difference between the numbers in use at stations 1 and 2.

c. U = the maximum number of pumps in use at either station

d. Z = the number of stations having exactly two pumps in use"

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The zeroes of the polynomials will be x = (-1 ± 7) / 4.

A polynomial in mathematics is an expression made up of coefficients and indeterminates and involves only the operations of multiplication, addition, subtraction, and non-negative integer exponentiation of variables.

To represent the quadratic polynomial 2x²+ x - 6 using algebra tiles, we can use the following tiles:

Two squares with side length x, representing 2x²

One rectangle with length x and width 1, representing x

Six small squares, representing -6

We can arrange these tiles to form a rectangle as shown below:

A rectangle made of algebra tiles with 2x² squares, x rectangle, and -6 small squares]

The area of this rectangle is the same as the value of the polynomial, which is 2x²+ x - 6.

To determine the equivalent factored form of this polynomial, we need to find two binomials that, when multiplied together, give us the original polynomial. We can start by using the quadratic formula:

x = (-b ± √(b² - 4ac)) / 2a

where a = 2, b = 1, and c = -6, since our polynomial is 2x^2 + x - 6.

Plugging in these values, we get:

x = (-1 ± √(1² - 4(2)(-6))) / 2(2)

x = (-1 ± √(49)) / 4

x = (-1 ± 7) / 4

So, the two roots of the quadratic polynomial are x = 3/2 and x = -2.

Therefore, we can write the factored form of the quadratic polynomial as:

2x² + x - 6 = 2(x - 3/2)(x + 2)

To determine the number of zero pairs needed to model this polynomial, we can count the number of negative tiles (small squares) left after forming the rectangle. In this case, we have six negative tiles, which means we need six zero pairs to model this polynomial.

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Answer:

Step-by-step explanation:

Answer: A, i think

Step-by-step explanation: edge 2020

The measure of angle x is given as follows:

a. x = 30º.

Angle y is complementary with the angle of 60º, meaning that the sum of their measures is of 90º, hence it's measure is given as follows:

y + 60 = 90

y = 30º.

Angle y and angle x form vertical angles, meaning that they are congruent, that is, they have the same measure, hence the measure of angle x is given as follows:

x = y = 30º.

Hence the correct option is given by option a.

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Answer: Here you go.

Step-by-step explanation:

The worker makes 4 ornaments every 15 minutes, which is equivalent to 16 ornaments per hour (since 60 minutes / 15 minutes = 4, and 4 x 4 = 16).

Therefore, the worker can make 48 ornaments in 3 hours (since 3 hours x 16 ornaments per hour = 48 ornaments).

If he is paid $1.15 for each ornament he makes, then he earns $55.20 for making 48 ornaments (since 48 ornaments x $1.15 per ornament = $55.20).

Therefore, if the worker works for 3 hours making ornaments, he would earn $55.20.

The range of flight time is 22 minutes, and the sample standard deviation is 8.24 minutes.

To compute the range, we simply subtract the smallest value from the largest value: Range = 282 - 260 = 22.

To compute the sample standard deviation, we first calculate the mean flight time by summing the values and dividing by the sample size:

Mean = (282 + 270 + 260 + 266 + 260 + 267) / 6 = 266.17

Then we subtract the mean from each flight time, square the differences, sum the squared differences, divide by the sample size minus one, and take the square root of the result:

Standard Deviation = √((1/5) * [(282-266.17)² + (270-266.17)² +

(260-266.17)² + (266-266.17)² + (260-266.17)² + (267-266.17)²]) = 8.24.

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Complete Question:

The following data represent the flight time (in minutes) of a random sample of six flights from Las Vegas, Nevada, to Newark, New Jersey, on United Airlines. 282, 270, 260, 266, 260, 267 Compute the range and sample standard deviation of flight time. The range of flight time is minutes.

Answer:

The 2nd option

Step-by-step explanation:

You can substitute values to replace X and if it alines with the graph then you know that is the correct answer choice

To calculate the property tax rate, you need to divide the property taxes by the appraised value of the property and then multiply by 100 to express the result as a percentage.

In this case, the property tax rate can be calculated as follows:

Property tax rate = (Property taxes / Appraised value) * 100%

= ($1,650.00 / $112,000.00) * 100%

= 0.014732142857142857 * 100%

= 1.47%

So, the property tax rate in your neighborhood is 1.47%, rounded to the nearest hundredth of a percent.

The solution is : 3500km is the actual length of appalachian trail.

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

given that,

If 5cm represents 400km on the scale, and the map shows 43.75cm then,

Let ,

5cm .......400km

43.65cm......u

now, we get,

Hence by cross multiplication,

5cm* u=43.75cm × 400km

U =(43.75cm ×400km)/5cm

   =(17500/5)km

  =3500km

Hence, The solution is : 3500km is the actual length of appalachian trail.

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The appropriate null hypothesis for a random sample of car's color and speeding tickets is equals to the observed counts are equal to the expected counts.

The curious newspaper columnist tabulate the car color on a random sample. The above table showed car color and their corresponding speeding tickets. Sample size, n = 120

Registed red colour cars in his state

= 14%

Registed white/silver colour cars in his state= 35%

Registed gray/black colour cars in his state = 23%

Registed others colour cars in his state

= 28%

We habe to determine the right choice for null hypothesis from the options. For this, here we have to use chi square test of goodness of fit to test this hypothesis. We know that in chi square test, they arevalready given the observed frequencies. Then we have to find out the expected frequencies using the given percentages. So here we have to findout whether the expected frequency and observed frequency are equal or not. So the null hypothesis is The observed counts are equal to the expected counts.

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Answer:

$84.00

Step-by-step explanation:

$80.00 x .05 = $4.00

$80.00 + $4.00 = $84.00

Answer:

the cost is $84.00

Step-by-step explanation:

you take 80.00 x 5% tax that gives you $4.00 so the total is $84.00

Answer:

The equation for the parabola (quadratic function) that passes through the points (-1, 1), (1, -5), and (2, 1) is y = (6/49)(x - 2/3)^2 - 1.

Step-by-step explanation:

To write the equation of a quadratic function (parabola) given three points, we can use the vertex form of the equation:

y = a(x - h)^2 + k

where (h, k) is the vertex of the parabola and a is a scaling factor that determines the shape of the parabola.

To find the vertex of the parabola, we can use the formula:

h = (x1 + x2 + x3) / 3

k = (y1 + y2 + y3) / 3

where (x1, y1), (x2, y2), and (x3, y3) are the given points.

Substituting the given points into these formulas, we get:

h = (-1 + 1 + 2) / 3 = 2/3

k = (1 - 5 + 1) / 3 = -1

So the vertex of the parabola is (2/3, -1).

Now, we can substitute this vertex and one of the given points (e.g. (-1, 1)) into the vertex form equation and solve for a:

1 = a(-1 - 2/3)^2 - 1

2 = a(7/3)^2

a = 6/49

So the equation of the parabola is:

y = (6/49)(x - 2/3)^2 - 1

Answer: y = -2x^2 + 6x - 4

Step-by-step explanation:

The equation for this parabola/quadratic function is y = -2x^2 + 6x - 4. To arrive at this equation, we use the fact that the equation for a parabola/quadratic function is y = ax^2 + bx + c, where a, b, and c are constants. We can then substitute in the coordinates of each point to solve for a, b, and c.

For the point (-1,1), we have 1 = -2(-1)^2 + 6(-1) + c, so c = 5.

For the point (1,-5), we have -5 = -2(1)^2 + 6(1) + 5, so -2 = -2.

For the point (2,1), we have 1 = -2(2)^2 + 6(2) + 5, so -4 = -4.

And therefore, the equation is y = -2x^2 + 6x - 4.

Answer:

makes no sense

Step-by-step explanation:

Answer: See attached.

Step-by-step explanation:

   We will input the given x-values and solve for y by substituting x for the values in the original function, h(x)=2x-2.

h(-5) = 2(-5)-2 = -12

h(-1) = 2(-1)-2 = -4

h(1) = 2(1)-2 = 0

h(2) = 2(2)-2 = 2

No triangle can form with the given measurements.

A triangle is a three-sided polygon, which has three vertices. The three sides are connected with each other end to end at a point, which forms the angles of the triangle. The sum of all three angles of the triangle is equal to 180 degrees.

The given angles are 53° and 27°.

By using angle sum of property of a triangle, we get

53°+27°+x=180°

x=100°

It is not possible to draw a unique triangle with any 3 possible measurements of angles.

Therefore, no triangle can form with given measurements.

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The total area of the banner is approximately 800.54 square inches.

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

The area of the square is side length squared, or 24² = 576 square inches.

The diameter of the semicircle is also the side length of the square, so it is 24 inches.

Radius = 24/2=12 inches

The area of a semicircle is half of the area of a circle with the same radius. The area of a circle is π times the radius squared, so the area of the semicircle is:

1/2×π×12²=72π

Add Area of the square and the area of the semicircle:

576 + 72π = 800.54

Therefore, the total area of the banner is approximately 800.54 square inches.

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The value of the composition function ( f + g ) ( x ) = x²³ - 3x + 2

Evaluation of a function at the value of another function is known as Composition of function. A function composition is a process in which two functions, f and g, form a new function, h, in such a way that h(x) = g(f(x)). This signifies that function g is being applied to the function x. So, in essence, a function is applied to the output of another function.

Given data ,

Let the first function be represented as f ( x )

Now , the value of f ( x ) = -3x + 2

Let the second function be represented as g ( x )

Now , the value of g ( x ) = x²³

On simplifying , we get

The value of ( f + g ) ( x ) = f ( x ) + g ( x )

Substituting the values of f ( x ) and g ( x ) , we get

( f + g ) ( x ) = x²³ - 3x + 2

Hence , the composition function is ( f + g ) ( x ) = x²³ - 3x + 2

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The area of the figure can be found to be 53 cm ²

The figure given is a composite shape so to find the area of the figure, you need to divide the shape into two other shapes.

The area of the first shape is :

= Length x Width

= 5 x 4

= 20 m ²

The area of the second shape would be :

= Length x Width

= ( 3 + 5 + 3 ) x 3

= 11 x 3

= 33 cm ²

The area of the shape is :

= 20 + 33

= 53 cm ²

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The lateral area and the surface area of the right prism are 540 square yards and 1152 square yards, respectively.

Herein we find the case of a right prism with a triangular base, whose lateral area (A) and surface area (A'), both in square yards, must be determined.

The lateral area is the sum of the areas of three rectangular faces and the surface area is the sum of the lateral area and the area of the two triangles. Area formulas for rectangles and triangles are shown below:

Rectangle

A = w · l

Triangle

A = 0.5 · w · l

Where:

Now we determine the lateral area and the surface area of the prism:

Lateral area

A = (37 yd) · (5 yd) + (20 yd) · (5 yd) + (51 yd) · (5 yd)

A = 540 yd²

Surface area

A' = 540 yd² + 2 · 0.5 · (51 yd) · (12 yd)

A' = 1152 yd²

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Step-by-step explanation:

27cups of flour got to multiple

The line of best fit is given as follows:

y = 0.25x + 72.25.

The correct option regarding the slope is given as follows:

The slope of the line of best fit is 0.25. Each time the shoe size increases by one, the height increases by 0.25 inches.

To find the regression equation, also called line of best fit or least squares regression equation, we need to insert the points (x,y) in the calculator.

The points for this problem are given as follows:

(7.5, 63), (8, 80.5), (12, 68), (7, 71), (9, 69.5), (10, 70), (12, 75), (12.5, 63), (14,72)

Inserting these points into a calculator, the equation is given as follows:

y = 0.25x + 72.25.

The slope of 0.25 represents the rate of change of the output variable(height) relative to the input variable(shoe size).

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ΔABC and ΔDCB would be congruent triangles by the AAS postulate.

In congruent geometry, the shapes that are so identical. can be superimposed on themselves.

Here,
In a square, all sides are equal in length and all angles are right angles (90 degrees). Additionally, the diagonal of a square bisect each other at 90 degrees.

The lengths of AB, BC, CD, and DA are equal.

The angles ABC and CDA are both right angles (90 degrees).

The angles BAC and DCB are both 45 degrees.

So ΔABC and ΔDCB became congruent triangles by the AAS postulate.

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A basis for R3 that includes vectors in the set is {[1 0 -2], [3 2 -4], [0 0 1]}. This is achieved by removing the linearly dependent vector [1 0 -2] and adding the vector [0 0 1] to the set to obtain a set that spans R3.

A basis for R3 that includes vectors in the set can be found by removing vectors from a linearly dependent set and/or adding vectors to a set that does not span R3.

The set given is {[1 0 -2], [3 2 -4]}.

To check if the set spans R3, we need to calculate the determinant of the matrix created by the two vectors. The determinant of the matrix is 0, which tells us that the set does not span R3. To create a basis for R3, we need to add a third vector that is not linearly dependent on the other two. We can add the vector [0 1 1] to the set, creating the following set:

{[1 0 -2], [3 2 -4], [0 1 1]}

To check if this set spans R3, we calculate the determinant of the matrix created by the three vectors. The determinant of the matrix is -6, which is not 0.

Therefore, the set {[1 0 -2], [3 2 -4], [0 1 1]} is a basis for R3.

The complete question: For the matrix below. Find a basis for R3 that includes vectors in the set by removing vectors from a linearly dependent set and/or adding vectors to a set that does not span R3.

( matrix attached below )

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Answer:5/4

Step-by-step explanation:

2/3k=8/15

then,

2*15=8*3k

30=24k

k=30/24=15/12=5/4

The capacity of the tank is 7234.56litres

Capacity refers to the amount of fluid a container can hold. It expressed in units like litres (l), millilitres (ml). Capacity is also known as volume of a substance.

The capacity of the cylindrical pipe is

V = πr²h

r = 8cm

if it takes the pipe 2m per second

then it's volume in one second is

V = 3.14 ×8 × 2× 100

V = 5024cm³/s

if it takes 24 minutes

24 minutes = 24 × 60 s

= 1440s

therefore volume of the tank = 1440 × 5024

= 7234560cm³

in litres = 7234560/1000

= 7234.56litres

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We can use algebraic equations to solve this kind of problems. The correct answer is 50.00( 0.25p+ 1.00). So option number 3 is correct.

The cost of printing a single page = 0.25

The cost of printing p pages = 0.25p

Cost of print 50 booklets with p pages = 50× 0.25p = 12.50p

Cost of binding 1 booklet = $1

Cost of binding 50 booklet = 50

Cost of  50 booklets = Cost of printing 50 booklets with p pages + cost for binding 50 booklets

   = 12.5p + 50.00 = 50.00(0.25p+1.00)

So the correct answer is the third option , 50.00 ( 0.25p + 1.00)

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Answer:

We have to find co-ordinates of the fourth vertex.

Let fourth vertex be D(x,y)

Since, ABCD is a parallelogram, the diagonals bisect each other.

Si, co-ordinate of mid-point of AC= Co-ordinate of mid-point of BD.

∴ The fourth vertex is D(−b,b)

Step-by-step explanation:

Answer:

<1=26

<2=154

<3=26

<4=26

<5=154

<6=154

<7=26

Answer:

Technology improvements allow someone to look up jobs and be able to apply. This is much easier than going around yourself as it takes less time and effort. With technology we are capable of looking at ads of jobs and finding jobs in and around your area. Places such as indeed and linkedin have options for filters to allow you to adjust your search to salaries and areas that suit you.

Hope this helps, have a lovely day! :)