A bicycle wheel has a radius of 28 cm. what is the circumference of the wheel?

Answers

Answer 1

Answer:

  176 cm

Step-by-step explanation:

You want the circumference of a wheel with a radius of 28 cm.

Circumference

The circumference of a circle is given by ...

  C = 2πr

For r = 28 cm, this is ...

  C = 2π(28 cm) = 56π cm ≈ 176 cm

The circumference of the wheel is 56π cm, about 176 cm.

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A Bicycle Wheel Has A Radius Of 28 Cm. What Is The Circumference Of The Wheel?

Related Questions

Casey was at the surface of a swimming pool and recorded the following two measurements, in feet, on a number line:
-8, which represents the depth of water in the swimming of pool
+7, which represents the height of the slide at the pool
Part A: What does 0 represent in this situation? (3 points)
Part B: Describe the height the slide in relation to 0 in the situation. (3 points)
Part C: Casey held pole the swimming pool. The bottom of the pole was at a depth of 2 feet. How should Casey mark the level of the bottom of the pole
number line? Explain how you determined this. (4 points)

Answers

The pole was at a depth of 2 feet  = - 2

What is height and distance ?

height can be defined as the the measurement in vertical direction where as the distance can be defined as the measurement in horizontal direction.

Given :

Casey was at the surface of a swimming pool and recorded the following two measurements,

in feet, on a number line: −8, which represents the depth of water in the swimming pool +7,

which represents the height of the slide at the pool  

To Find, What does 0 represent in this situation?  

Describe the height of the slide in relation to 0 in the situation

Casey held a pole in the swimming pool. The bottom of the pole was at a depth of 2 feet. How should Casey mark the level of the bottom of the pole on the number line

0 represent in this situation  - Top surface of Swimming pool  - Surface matching with ground

height of the slide in relation to 0 in the situation  = 7 feet

pole was at a depth of 2 feet = - 2

Hence, The pole was at a depth of 2 feet  = - 2

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For which data set below would the median be the best representation of the typical value or behavior of the data set.
Group of answer choices
Religious affiliation
Ages of college students
Weights
Sale prices for homes

Answers

The median would be the best representation of the typical value or behavior of the data set for "Ages of college students".

What is median?

The median is the value in the center of a data collection, which means that 50% of the data points have a value less than or equal to the median, and 50% of the data points have a value greater than or equal to the median. The statistical median is the number in the midpoint of a series of numbers. To get the median, sort the numbers by size; the number in the center is the median. The term median is derived from the Latin word medius, which also meaning middle. A number in the center of a list is known as the median in mathematics.

Here,

The median would be the best depiction of the data set's usual value or behavior for "Ages of college students".

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How many rules are there in algebra?

Answers

Answer: There is only 5 rules in algebra.

Step-by-step explanation:

Evaluate the expression 9x for x = 2

Answers

The value of expression 9x for x= 2 is 18.

what are expressions?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between. The mathematical operators can be of addition, subtraction, multiplication, or division. For example, x + y is an expression, where x and y are terms having an addition operator in between. In math, there are two types of expressions, numerical expressions - that contain only numbers; and algebraic expressions- that contain both numbers and variables.

e.g. A number is 6 more than half the other number, and the other number is x. This statement is written as x/2 + 6 in a mathematical expression. Mathematical expressions are used to solve complicated puzzles.

Now,

Given expression = 9x

For x=2

Value of expression=9*2

=18

Hence,

          After evaluating 9x for x=2 value will be 18.

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Every month, the library holds a book sale. All books are $1.50. Choose the statement below that is true. A The price of a book depends on what kind of books you buy. B The kind of book you buy depends on the price. C The total cost of your books depends on how many books you buy. D The number of books you buy depends on the total cost.

Answers

The only true statement among the options given is C, The total cost of your books depends on how many books you buy.

What is the direct proportion?

Direct proportion, also known as direct variation, is a relationship between two variables in which the ratio of the variables is always constant. This means that if one variable increases, the other variable will also increase, and if one variable decreases, the other variable will also decrease.

According to the information given, all books are $1.50 each, so the price does not depend on what kind of book you buy. The statement A is false.

Also, the kind of book you buy does not depend on the price, so statement B is false.

The number of books you buy does depend on the total cost, so statement C is true.

Therefore, the only true statement among the options given is C, The total cost of your books depends on how many books you buy.

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Given MO=NP PROVE MN=OP

Answers

1. MO = NP (Given)

2. MO = MN + NO (Segment Add)

  NP = NO + OP (Segment Add)

3. MN + NO = NO + OP (Transitive / Substitution)

4. MN = OP (Subtraction POE)

Rhind Rhind Papyrus Problem 27
A quantity ,and its ⅕ added together becomes 21. What is the quantity
which means : x + x ⅕ = 21

Answers

Answer:x=35/2 or 17.5

Step-by-step explanation:

x + .2x = 21

1.2x = 21

1.2x/1.2 = 21/1.2

x = 17.5

answer a i just did it

Step-by-step explanation:

How to find gradient

Answers

The difference between the y coordinates  and the difference between the x coordinates then divide them

What is a gradient in math?

Gradient is a differential operator used in mathematics to transform a three-dimensional vector-valued function into a vector whose three elements are the partial derivatives of the function with respect to its three variables. The gradient sign is  ∇

As a result, f = ifx + jfy + kfz, where fx, fy, and fz are the first partial derivatives of f and I j, and k are the unit vectors of the vector space, is the gradient of a function, also known as grad f or f. f is the direction of the heat-flow vector in a temperature field, where f is a temperature field in physics that indicates the temperature at every point in a space.

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The equation for the volume of a cylinder is
V = r²h. The positive value of r, in terms of h
π
and V, is
V
Υπη
1) r=
2)
r=√√√Vah
3) r=2Vлh
V
4) r= 2π

Answers

R's positive value is [tex]\sqrt{\frac{v}{\pi h} }[/tex]  V =r²h in terms of h is the formula used to calculate the volume of a cylinder.

what is volume ?

The object's capacity is another name for it. The basic formula for volume is length, width, and height, as opposed to the basic formula for the area of a rectangular shape, which is length, breadth, and height. No matter how you refer to the various dimensions, the calculation remains the same. For instance, you can use "depth" instead of "height." The capacity of an object is expressed in terms of volume. A cup's capacity is said to be 100 ml, for instance, if it can hold 100 ml of water in its brim. The quantity of space a three-dimensional item takes up can also be referred to as volume.

given

Cylinder(volume )'s is equal to  = [tex]\pi r^{2}h[/tex]

where r = radius, h = height, and v = volume of the cylinder

⇒  [tex]r^{2} = \frac{v}{\pi h}[/tex]

⇒ ±r  = [tex]\sqrt{\frac{v}{\pi h} }[/tex]

The problem states that only the positive value of r is necessary.

So, r =  [tex]\sqrt{\frac{v}{\pi h} }[/tex]

R's positive value is [tex]\sqrt{\frac{v}{\pi h} }[/tex]  V =r²h in terms of h is the formula used to calculate the volume of a cylinder.

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please helppppp need this by tonighttt

Pleaseee

Answers

Answer:

A. The domain should be all reals.

B. The range is y≤1 if the function is |x-2|+1.

C. It's a function.

If you get this wrong then my bad

Mr Dunn drives 640 m from work at a speed of 4.8m/s mrs. dunn  drives 810 m from work at speed of 5.4m/s they both leave work at the same time how many minutes later is it before the second person gets home

Answers

speed = distance/time
time taken = distance/speed

Mr Dunn’s speed = 4.8 m/s
The distance Mr Dunn needs to travel = 810 m
Time taken = 640/4.8 = 133.33 s
133.33 s = 2.22 min

Mrs Dunn’s speed = 5.4 m/s
The distance Mrs Dunn needs to travel = 810 m
Time taken = 810/5.4 = 150 s
150 s = 2.5 min

Time difference = 2.5 - 2.22 = 0.28 min

Answer: It is 0.28 min later before the second person gets home.

What is the importance of roots of polynomial equation?

Answers

So on solving the provided question we can say  that  the importance of roots of polynomial equation because as the roots are the core of it. it helps in forming of that polynomial

what are polynomials?

A mathematical expression made up of coefficients and uncertainty that only makes use of additions, subtractions, multiplications, and positive integer powers of variables is known as a polynomial. The formula x2 4x + 7 denotes a single indeterminate x polynomial. An expression in mathematics known as a polynomial is made up of variables (also known as indeterminates) and coefficients that may be added, subtracted, multiplied, and raised to negative integer powers of non-variables. An algebraic statement with variables and coefficients is called a polynomial. An expression can only contain the operations addition, subtraction, multiplication, and non-negative integer exponents. Polynomials are the name for these expressions.

here,

the importance of roots of polynomial equation because as the roots are the core of it. it helps in forming of that polynomial

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I really need help on this!

Answers

The constraint to make the statement true is -A< -B: Option C

What is constraint?

A Constraint is a situation when an individual is limited or restricted to carry out an activity. It can also be seen as strictness or inhibition in relation to a variable

In most organizations, project managers are faced with constraints when they want to carry out an activity. Most of these constraints are external and out of the project manager's control.

Based on that if A<B, then - A < -B and this makes the constraint true.

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Question 3 1Points Hector paid $2.70 for a package of cheddar cheese slices. There are 18 slices in the package. What is the unit price of the cheddar cheese?

Answers

the unit price of the cheddar cheese is $0.15.

What is division?

Division is the process of splitting a number or an amount into equal parts.

here, we have,

Hector paid $2.70 for a package of cheddar cheese slices.

There are 18 slices in the package.

i.e. the unit price of the cheddar cheese = $2.70/18

                                                                    =$0.15

hence, the unit price of the cheddar cheese is $0.15.

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HELP PLS WHATS THE VALUE

Answers

Applying the triangle sum theorem, the value of x in the triangle is: C. 36.

What is the Triangle Sum Theorem?

The Triangle Sum Theorem states that the sum of the measures of the interior angles of a triangle is 180 degrees. This theorem applies to all triangles, regardless of their shape or size.

The theorem can be proven using the fact that the sum of the measures of the interior angles of any polygon with n sides is (n-2)x180. Since a triangle has three sides, the sum of its interior angles is 180 degrees.

Therefore:

2x + 2x + x = 180

Combine like terms

5x = 180

Divide both sides by 5

5x/5 = 180/5

x = 36

The value of x is: C. 36.

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What is dilated by a factor of 3?

Answers

Factor of scale (Dilation) Factor of scale (Dilation) How much larger or smaller the image will be depends on the scale factor in the dilation of a mathematical entity (compared to the original object).

What does it mean to be "dilated by a factor"?Factor of scale (Dilation) Factor of scale (Dilation) How much larger or smaller the image will be depends on the scale factor in the dilation of a mathematical entity (compared to the original object). An expansion takes place when the scale factor's absolute value is higher than one.The most important thing to remember is that the dilation value influences the distance between two places.A is initially one unit below P and two units to P's left, just like in the first example (dilation by a factor of three). Since 1 + 3 = 3, the dilated point, A', should be three units below P. Since 2*3 = 6, A' ought to be six units to the left of P.    

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Which of the following is an equation(a) 2x +3 + 5(b) 2x + 3< 5(c) 2x + 3 35(d) 2x + 3 = 5​

Answers

Answer:

2x+3=5

Step-by-step explanation:

2x+3=5 us the only one with an equals to sign

an equation always have an equals to

]What is the first step in solving the quadratic equation -5x2+8=133?

taking the square root of both sides of the equation
subtracting 8 from both sides of the equation
squaring both sides of the equation
adding 8 to both sides of the equation

Answers

The first step in solving the quadratic equation is subtracting 8 from both sides.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 4 = 9 is an equation.

We have,

5x² + 8 = 133

Subtract 8 into both sides.

5x² = 133 - 8

5x² = 125

Divide both sides by 5.

x² = 125/5

x² = 25

x = √25

x = 5

Thus,

The root of the equation is 5.

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I don’t understand someone please help 20 points!

Answers

Answer:

Step-by-step explanation:

y = kx

proportionality constant = k = y/x

A.  k = y/x = 7/2 = 3.5   (you can plug in any x,y pair from the table and will get the same answer, 3.5)

B. k = y/x = 12/3 = 4   (you can choose any point on the line)

C.  k = y/x = 2.75   (same as the slope of the line)

D.  k = y/x = earnings/games = 65/5 = 13

E.  k = y/x = 12/3 = 4   (you can plug in any x,y pair from the table and will get the same answer, 4)

Jean’s highest bowling score last season was 237 out of 300. What percent is Jean’s high score?

Answers

Answer:

79%

Step-by-step explanation:

imma human calculator and no one can stop me

237:300*100 =

( 237*100):300 =

23700:300 = 79

*79% is the answer*

Classifying Right triangles ​

Answers

Therefore , the solution of the given problem of triangle comes out to be √3 ,√4,√5  advance to acute triangle category as they have small angle less than 90 degree.

What is the triangle?

Given that it has three sides and three vertices, a triangle qualifies as a polygon. It is a fundamental geometric figure. Triangle ABC is the term used to refer to a triangle containing the vertices A, B, and C. When the three points are not collinear, a unique plane and triangle in Euclidean geometry are discovered. Triangles are polygons because they have three sides and three corners. The points where the three sides of the triangle converge are referred to as the triangle's corners. Three triangle angles are multiplied to yield 180 degrees.

Here:

Given :

=> 4 ,4√3,8

=> 0.5 , 1.3 , 1.2

=> 1.8 ,√6 ,0.8

=> √3 ,√4,√5

These can be advance to acute triangle category as they have small angle less than 90 degree.

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In January, Jamie pays $2.00 for a tube of toothpaste. When she buys the same brand and size of toothpaste in February, she pays $2.25. What is the percent of increase in the price of the toothpaste from January to February? Round to the nearest tenth of a percent.

Answers

Answer:

12.5%

Step-by-step explanation:

0.125 * 2 = .25

2+.25 =2.25

The upfront cost of a Porsche is 64K. At the end of 12 Years, the car is worth only $4000, Write a linear equation to represent the value of the car in terms of the year.

Answers

The linear equation to represent the value of the car in terms of the year will be c = 64000 - 5000y

How to illustrate the equation?

An equation simply has to do with the statement that illustrates the variables given. In this case, it is vital to note that two or more components are considered in order to be able to describe the scenario.

In this situation, the upfront cost of a Porsche is 64K and at the end of 12 Years, the car is worth only $4000.

The difference in amount will be:

= $64000 - $4000

= $60000

Number of years = 12

Amount in depreciation per year = $60000 / 12

= $5000 per year

The linear equation to represent the value of the car in terms of the year will be:

c = 64000 - 5000y

where c = value

y = number of years

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I am trying to find the second, fourth, and eleventh terms of the sequence for A(n)=-9+(n-1)(3)

Answers

By evaluating the formula for the sequence, we will get the terms:

A(2) = -6A(4) = 0A(11) = 21How to find the terms in the sequence?

Here we want to find the second, fourth, and eleventh terms in the sequence:

A(n) = -9 + (n - 1)*3

n defines the "number" of the term in the sequence.

So to get the second term, we need to use n = 2, we will get.

A(2) = -9 + (2 - 1)*3

A(2) = -9 + 3 = -6

The fourth term is what we get if we evaluate in n = 4, then:

A(4) = -9 + (4 - 1)*3

A(4) = -9 + 9 = 0

And the eleventh term is what we get when we use n = 11, we will get:

A(11) = -9 + (11 - 1)*3

A(11) = -9 + 30 = 21

These are the 3 terms of the sequence that we wanted to find.

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It is a 7th grade question btw easy

Answers

The value of q, based on the equation given, can be found to be - 1 / 6

How to find q?

To find q, you need to collect like terms on the correct side of the equation to be able to solve for q.

When given the equation,

1 / 2 = q + 2 / 3

You collect like terms to be:

q = 1 / 2 - 2 / 3

q = ( 3 - 4 ) / 6

q = - 1 / 6

In conclusion, the value of q is - 1 / 6.

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How do I dilate a shape on a grid using a scale factor of 1 2?

Answers

Every coordinate point of the original triangle has its scale factor doubled by one-half if the scale factor is one. multiply by half after dilation with a scale factor of two.

How do you dilate by scale factor?We locate the dilation's center point and measure the distances between it and other points on the preimage and the image in order to get the scale factor for the dilation. As correctly stated by Math Bits Notebook, the scale factor is determined by the ratio of these distances.Keep in mind that each coordinate must be multiplied by the scale factor in order to enlarge an object in the coordinate plane. The mapping will be (x, y) (1.5 x, 1.5 y) with this dilation. The original is represented by the blue quadrilateral in the graph above, while the dilatation is shown by the red picture. Connect the image's vertices to the centre of dilation by drawing straight lines.

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Every coordinate point of the original triangle has its scale factor doubled by one-half if the scale factor is one. multiply by half after dilation with a scale factor of two.

How do you dilate by scale factor?

We locate the dilation's center point and measure the distances between it and other points on the preimage and the image in order to get the scale factor for the dilation. As correctly stated by Math Bits Notebook, the scale factor is determined by the ratio of these distances.

Keep in mind that each coordinate must be multiplied by the scale factor in order to enlarge an object in the coordinate plane. The mapping will be (x, y) (1.5 x, 1.5 y) with this dilation. The original is represented by the blue quadrilateral in the graph above, while the dilatation is shown by the red picture. Connect the image's vertices to the center of dilation by drawing straight lines.

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I don’t know how to do this (geometry)

Answers

Answer: The value of x = 7

Step-by-step explanation:

In the figure consider the parallelogram is a ABCD parallelogram

A parallelogram is a two-dimensional shape.

It has four sides, in which two pairs of sides are parallel.

Also, the parallel sides are equal in length.

If the length of the parallel sides is not equal in measurement, then the shape is not a parallelogram.

Similarly, the opposite interior angles of a parallelogram should always be equal. Otherwise, it is not a parallelogram.

AB = 3x+5

CD = 5x-9

where AB || CD and AD || BC

Also, AB = CD and AD = BC

then 3x+5 =  5x-9

when simplify the equation,

5x = 3x+5+9

5x = 3x+14

then

     5x-3x = 14

     2x = 14

     x  = 14÷2

     x = 7

then the value of x = 7

when substituting value of x in equations

AB = 3x+5 = 21+5 = 26

CD = 5x-9 = 35-9 = 26

AB = CD

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Write the letter of each answer

Answers

P. No
T. Yes
P. Yes
if you have any questions on how I got It I would be more than happy to explain!! Have a great day! :))
The answers are 6. No 7. Yes 8. Yes

Daniel and Elizabeth had to choose between making a 600-mile round trip by car or plane. Round-trip airfare was $260 for each of them and would take 2 hours. Round-trip cab fare to the airport would add $15. Driving their car would take 2 days each way and would add the cost of gas, food, and lodging. Elizabeth estimated that the whole trip would need $60 for gas, their combined food bill of $25 per day (4 days) , and that a room to share would be $48 for each night of the 4 total nights they would stay in a motel. Find the average cost per passenger-mile of driving.

Answers

The average cost per passenger - mile of driving is $0.503 per mile.

What is Average Cost?

Average cost is calculated by dividing the total cost by the total output quantity.

There are two options for Daniel and Elizabeth, either by driving car or by plane.

We have to calculate the average cost per passenger - mile of driving in car.

Cost of gas = $60

Food bill for a day for two of them = $25

Food bill for a day for one = 25 / 2 = $12.5

Food bill for one passenger for 4 days = $12.5 × 4 = $50

Cost of room for 1 night = $48

Cost of room for 4 nights = $192

Total cost for 1 passenger = $60 + $50 + $192 = $302

Average cost per passenger - mile of driving = 302 / 600 = $0.503 per mile.

Hence the average cost per mile per passenger is $0.503 per mile.

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Is it possible to draw a triangle the length of whose sides are 2.5 cm 4.2 cm 8 cm?

Answers

Yes, it is possible to draw a triangle the length of whose sides are 2.5 cm 4.2 cm 8 cm.

The possibility to draw a triangle from mentioned three sides can be checked through SSS or side-side-side rule of triangle. It states that sum of any two sides should be greater than third side of the triangle. Assuming 2.5 cm to be side a, 4.2 and 8 cm to be side b and c respectively.

Side a + side b > side c

2.5 + 4.2 > 8

Add the values

6.7 not greater than 8

Side b + side c > side a

4.2 + 8 > 2

Add the values

12.2 > 2.5

side c + side a > side b

8 + 2.5 > 4.2

Add the values

10.5 > 4.2

As we see, that two cases show sum to be greater than third side. Thus, triangle can be drawn.

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determine hsolute for kbr if the hsolution (kbr) = 19.9 kj/mol and the hhydration(kbr) = -670. kj/mol. 650 kj/mol -690 kj/mol 690 kj/mol -710 kj/mol -650 kj/mol A rectangular steel plate with dimensions of 30 cm 25 cm is heated from 20C to 220C. What is its change in area? (Coefficient of linear expansion for steel is 11 10-6/C. ) what does theseus mean when he says, "the lunatic, the lover, and the poet / are of imagination all compact"? how does he explain it in regard to each of them? inflation allows central banks to run more expansionary monetary policy because it allows them to achieve T/F Air undergoes a polytropic process in a pistoncylinder assembly from p1 = 1 bar, T1 = 295 K to p2 = 5 bar. The air is modeled as an ideal gas and kinetic and potential energy effects are negligible. For a polytropic exponent of 1. 2, determine the work and heat transfer, each in kJ per kg of air,(1) assuming constant cv evaluated at 300 K. (2) assuming variable specific heats part a find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1300 n . assume that the player's foot is in contact with the ball for 5.60103 s . true/false. eating even a single death cap mushroom (amanita phalloides) can be fatal due to a compound called -amanitin, a toxin that inhibits transcription. A rectangle has an area of 114cm squared and a perimeter of 50 cm. What are its dimensions Modify the script that you created in exercise 1 so it creates and calls a stored procedure named insert_glaccount_with_test. This procedure should use the function that you created in exercise 2 to test whether the account description is a duplicate before it issues the INSERT statement. If the account descrip- tion is a duplicate, this procedure should raise an error with a SQLSTATE code of 23000, a MySQL code of 1062, and a message that says "Duplicate account description." what are the differences between tls and ssl? check all that apply. The resistance of Pseudomonas to a wide variety of antimicrobial drugs is due, in part, to its:-ability to grow in almost any moist environment.-ability to pump drugs out of the cell.-production of exoenzyme S.-production of pyocyanin.-ability to utilize a wide range of carbon and nitrogen sources. ______is typically used in businesses that primarily sell and produce standard products. For example, a company that manufactures and sells video recorders. a. An autonomous project organizational structure b. A functional organizational structure c. Amatrix organizational structure d. A project management office obesity has been found to spread through social network similarly to the way illness or information would. true or false? If v1 = 30 sin(wt + 10 ) and V2 = 20 sin(wt + 50), which of these statements are true? S (2 points) v1 leads v2 v2 leads v1 V2 lags v1 v1 lags v2 v1 and 2 are in phase how has funding for public colleges shifted since the 1970s? group of answer choices states now pay more toward higher education, but the federal government pays less. states have reduced funding for higher education, and tuition has increased substantially to compensate. tuition has gone up substantially, as has monetary support from the federal and state government. colleges now rely more on donors and grants from private foundations and less on tuition and state support. you have a large amount of 8.50 m stock solution. you need 1.40 l of 2.50 m solution for an experiment. how would you prepare the desired solution without wasting any stock solution? How heat effects of liquid ripple marks exhibiting an asymmetrical shape with the longer, gentler slope on the west and the shorter, steeper slope on the east results from modify this program and print the parent process id in addition to current process id (look at the lecture slides). which function returns parent process id? Heidi works in the after-market service department of Yummy Yogurt Inc. She recently worked on a product recall for one of the company's most popular brands. Which operational objective is Heidi responsible for within the global supply chain? Multiple Choice inventory reduction life-cycle support responsiveness shipment consolidation variance reduction