Melinda

This page lists questions and answers that were posted by visitors named Melinda.

Questions

The following questions were asked by visitors named Melinda.

Business leaders in a small but thriving community in the southeast have noticed a considerable increase in the alcohol consumption of their workers. This increase, they claim, reduces worker productivity, increases absenteeism and jeopardizes safety on t...

18 years ago

write isotpoic symbols of the form X-A (for example, C-13) for each of the following isotopes. **Do I add the number of protons and neutrons together to get the answer? The symbol is easy to figure out.** a) the iodine isotope with 74 neutrons B) the phos...

18 years ago

This question really has me stumped and I don't know why, I seem to have forgotten the process . . . A model electric train requires 6 V to operate. If the primary coil of its transformer has 240 windings, how many windings should the secondary have if th...

17 years ago

I am in need of help with Microsoft Office Access 07. I am trying to set relationship tables and I have to enforce referential integrity on all 4 of my tables and cannot get it to work. What do I need to do? Thanks

17 years ago

Solve the following system of equations. x + 4y= 8 (1) x=5-4y (2) What is the solution of the system? (Type an ordered pair. Type N if no solution).

17 years ago

How can I become my own editor and review my writing with a critical eye?

15 years ago

Please help- A small fish is dropped by a pelican that is rising steadily at 0.50 m/s. How far below the pelican is the fish after 2.5 s? Answers. 61m 29.3 30.6 1.1m I just started school and I'm totally lost-If someone could explain formula to me I'd rea...

15 years ago

Please help! What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you

15 years ago

Explain the entities affected by industrial regulation in terms of market structure.

14 years ago

what is the adverb in this sentence? "Soon people became very fearful."

14 years ago

Could someone check these please?I had place a possessive adjective in place of el 1. El hermano de Juan y Pedro se llama Bret Answer: Su hermano se llama Bret 2.Replace los with possessive Los hermanos de Paco y Linda se llama Santiago y Jose Answer: Sus...

14 years ago

We're studying a Dickinson poem Wild Nights-- I have a question Wild Nights--Wild Night! Were I with thee 1. Is that an example of an internal rhyme, slant rhyme, alliteration or caesura? 2. The poem has two stanzas that are ABBA and then two ABCB and ABC...

14 years ago

How do you do this question? 1. A speed versus time graph shows the segment from (3, 4) to (8,4). The units for the vertical axis are m/s. If the object whose speed was being graphed is 8 m away from the point from which measurements are made at t= 3s, ho...

13 years ago

Can someone verify if my answer is right? 1. Which function has a negative average rate of change on the interval 1<x<4 a) f(x) = x^2 - x - 1 b) g(x) = 1.6x - 2 c) h(x) = -x^2 + 9 d j(x) = -3 I picked d, because I subsitute all the numbers for all letters...

13 years ago

Someone verify if this is correct, please! 1. Draw a distance versus time graph that corresponds to the walk described below. Adam starts 8 m away from the motion sensor and walks in a straight line toward the sensor at a constant rate of 0.5 m/s for 3 s....

13 years ago

I need help with this question, it says to find the instantaneous rate at distance t = 6s with the given graph First of all, it is a linear line, do i need to find the equation of the graph? After finding the equation, i plug in 5.99 and 6.01? and solve ?

13 years ago

Determine the x-intercepts of the polynomial function y=-6(x+7)^4 + 5. Round to two decimal places, if necessary. y=-6(x+7)^4 + 5 0=-6(x+7)^4 + 5 -5=6(x+7)^4 -5/6 =(x+7)^4 There are no x-intercepts??

13 years ago

Determine the maximum and minimum number of turning points for the function h(x) = -2x^4 - 8x^3 + 5x -6. Maximum:3 Minimum:1 Is this a valid reason: A quartic polynomial function has a 3 Turning points. The turning point is always 1 less than the degree....

13 years ago

Can someone help me with this question? I got the transformation for horizontal shift and vertical shift, however, I don't know how to find the vertical/horizontal compression/stretch. 1. Describe the transformations that were applied to the parent functi...

13 years ago

How do I find the vertical/horizontal compression/stretch? For the graph, determine the equation of the function in the form y=a(x-h)^2+k. Then describe the transformations that were applied to y=x^2 to obtain the graph. Here is the graph: imgur dot com/f...

13 years ago

Whats the value of a? =-= For the graph, determine the equation of the function in the form y=a(x-h)^2+k. Then describe the transformations that were applied to y=x^2 to obtain the graph. Here is the graph: imgur dot com/A7e5M The only thing I know is tha...

13 years ago

Verify if my answers are correct. 1. The function y=x^3 has undergone the following sets of transformations. If y=x^3 passes through the points (1,1), (3,27) and (4,64), list the coordinates of these transformed points on each new curve. a) reflected in t...

13 years ago

An open-topped box is made from a rectangular piece of cardboard, with dimensions of 24 cm by 30 cm, by cutting congruent squares from each corner and folding up the sides. Determine the dimensions of the squares to be cut to create a box with a volume of...

13 years ago

I have no clue what to do on these questions. 1.Two resistors a and b are connected in parallel. The total resistance R in such a circuit is found by formula R= 1/a + 1/b. If R=5/6 ohms and b is one more ohm than a, find the number of ohms in a and b. 2....

13 years ago

Can someone help me with this question (It's a graph) imgur dot com/r16ba One of the answers would be: x= 2 not x=-2

13 years ago

Can someone help me with this question (It's a graph) imgur dot com/r16ba One of the answers would be: x= 2 not x=-2 (If you think its an unsafe website, type in google "Imgur," it'll show you that its a site to post images)

13 years ago

Verify these answers 1.Which of the six trigonometric functions are positive in quadrant III? Answer: tangent and cotangent -------------------------------------- 2. What is the amplitude of the function y = pi/2 sin(6/3t - pi/6) + 14? Amplitude: pi/2 ---...

13 years ago

Would someone like to help me with these questions? Steps appreciated~ 1. If the diameter of a monster truck tire is 3.5 m and it makes one rotation every 5 seconds, how far does the tire roll in 1 minute? -------------------------------------- 2. At t=0...

13 years ago

Would someone verify these answers. 1. A person waves his hand back and forth, where their finger tips move past the starting position 4 cm in each direction. If he waves 20 times every 15s, what sine equation models the movement of the hand if the hand s...

13 years ago

Express the following as a function of a single angle sin 20 degree cos 30 degree + cos 20 degree sin 30 degree

13 years ago

The number of library books in a school increased by 20% after it bought new books in may. The number increased by another 20% after a bookstore donated 300 books in June. Find the number of books in the library before it bought new books in May.

13 years ago

If a plane takes off on runway 31 (N 31o W) and flies 4 miles, then makes a right (90o) turn and flies 11 miles, what bearing will the traffic controller use to locate the plane?

13 years ago

Explain how to do these please. 1. solve x=log(base2)*1/8 by rewriting in exponential form. 2. Solve log(3x+1)=5 3. Solve log(base x)8=-1/2

13 years ago

What two common identities are most useful for simplifying 2tanx/sin^2x + cos^2x - tan^2x? Two identities are: sin^2x + cos^2x = 1 and tan2x=2tanx/1-tan^2x

13 years ago

Verify these answers please. 1. Which of the following functions would f(x) = log(base 10)x horizontally 4 units to the left? a) f(x)=log(base10)(x-4) b) f(x)=4Log(base10)X c) f(x)=log(base10) x+4 Answer: C ------------------------------------ 2. State th...

13 years ago

Given the parent function f(x)log(base10)x, state the equation of the function that results from a vertical stretch by a factor of 2/5, a horizontal stretch by a factor of 3/4, a reflection in the y-axis , a horizontal translation 2 units to the right, an...

13 years ago

What am I doing wrong? I keep getting 48 and its wrong... Solve 2log(x)-log(4)=3log(4) 2log(x)-log(4) log(x/4)=3log4 log(x/4)=log12 x=48

13 years ago

What are the restrictions on the variable in the equation log(3x-5)-log(x-2)=log(x^2-5)? 5/3, 2, ???

13 years ago

log(base2)x-log(base2)6= log(base2)5+ 2log(base2)3 log(x/6)=3log15 (x/6)=15^3 6*(x/6)=15^3*6 x=15^3*6 =20,250 Answer is 270.... What did I do wrong...

13 years ago

Simplify difference quotients. 1/(1+h)-1/h I got 1-1-h/h but the answer is -1/(1+h)

13 years ago

f(x) = (x-1)^(2/3)*(x+3) What are the critical numbers? the derivative would be =2/3(x-1)^(-1/3)(x+3) + (x-1)^2/3 What do I do next?

13 years ago

Can someone explain this question to me? What intervals should I use to test whether or not the graph is concave up or down. Here is the URL for the graph. imgur dotcom/FdQCV

13 years ago

Determine the slope of the tangent to the function f(x)=5xe^x at the point with x-coordinate x=2 a) -1/5 b) 10e^2 c) 15e^2 d) -5e^2

13 years ago

A certain fast food restaurant wants to determine the increase in revenue per cheeseburger if sales are $45,000. Let the function [p=(120000-x)/(30000)] represent the price of x cheeseburgers.

13 years ago

Determine the derivative for y=tanxcosx a) y'=-sinxtanx + cosxsec^2x b) y'=-sinxtanx + cosxtanx c) y'=cosxsec^2x d) y'=sinx - cosxsec^2x

13 years ago

Which of the following is the maximum value of the function f(x)=2sinxcosx? a) 0 b) 1 c) 2 d) No maximum value

13 years ago

An object is dropped from the observation deck of the Skylon Tower in Niagara Falls, Ontario. The distance, in metres, from the deck at t seconds is given by d(t)=4.9t^2 a) the height of the observation deck is 146.9 m. How fast is the object moving when...

13 years ago

Could someone explain this question to me? I attempted the question and here is why I chose the answer below. Thank you! -------------------------------------- 1. If A ⃗ is a vector representing 50 km/h northeast, what is 3/5 A ⃗? a) 30 km/h southwest b)...

13 years ago

If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,c

13 years ago

A parallelogram is formed by R^3 by the vectors PA=(3,2,-3) and PB=(4,1,5). The point P=(0,2,3). a) what are the location of the vertices? b) what are the vectors representing the diagonals? c) what are the length of the diagonals?

13 years ago

If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,c Is this the correct answer: a= -4, b= -3, c= -1?

13 years ago

Vector C=5 and Vector D=8. The angle formed by C and D is 35 degrees, and the angle formed by A and C is 40 degrees. Determine |B|. Here is the image for triangle: imgur dot com/OZAwV please help, I have a test tomorrow~

13 years ago

Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.

13 years ago

Please help/verify the answer. 1. When you add vectors geometrically: a) vectors are aligned tail to tail b) vectors are aligned head to head c) vectors are aligned head to tail d) vectors are put side by side Is the answer D? ----------------------------...

13 years ago

how many properties of blood exists

13 years ago

round off 16,352 to the nearest tens

13 years ago

randall opened a savings account on June 1st and made the following deposits: $212.19, June 5th $23.03, June 12 $307.15, June 19th $652.00 and June 30, $78.75. Assuming he made no withdrawals, approximately how much did he have in the savings account at t...

13 years ago

At Thanksgiving dinner, Deborah ate a portion of turkey (673 calories;masch potatoes (408 calories);stuffing (519 calories); cranberry sauce (219 calories);beans (278 calories); and pumpkin pie (523 calories); approximately how many calories did she intak...

13 years ago

subtract 345 from 678

13 years ago

solve the problem 456 + 65.

A sample of an unknown biochemical compound is found to have a percent composition of 55.03 percent carbon, 5.54 percent hydrogen, 32.10 percent nitrogen and the balance oxygen. What is the simplest formula for this compound ? How do I do this?

13 years ago

Write the molecular equation for the combination of aqueous solutions of sodium chloride and silver nitrate. Enter your answer as the sum of all coefficients.

13 years ago

This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients possi...

13 years ago

5A=5-b 5A=3-b

13 years ago

How do I write a paper on "Why we trade with Brazil?"

13 years ago

y = 5x, solve for x

12 years ago

Stephenson Real Estate Capitalization

12 years ago

Is it a test on paper or can I look at notes and answer questions? Do I have to dissect something, have the TA ask me a question and answer instead of dissecting as a group? I've just been quizzing myself on parts of the animal in case we can't use notes,...

11 years ago

The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C. Another belt runs around a central hub on disk A and the rim of disk B. The belts move smoothly without slippage on the rims and hub....

11 years ago

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set....

11 years ago

When assessing the overall layout of a classroom, what two factors should be so clear that children's movement behavior will be directly influenced? A. The amount of child-accessible storage and the presence of children's art materials B. The location of...

11 years ago

Which of the following is a correct statement about exploratory play? A. In exploratory play, children assume primary responsibility. B. In exploratory play, who assumes responsibility depends on which learning center the activity is set up in. C. In expl...

11 years ago

Which of the following is a common mistake new teachers make when setting up learning centers? A. Planning specific activities for blocks or dramatic play B. Introducing the centers to children so they know how to use them C. Allowing the children to inte...

11 years ago

Which of the following is an example of an appropriate activity-plan objective? A. The child puts the story characters in sequence on the flannel board. B. The child feels good about his or her participation in the activity. C. Children think about seeds...

11 years ago

3x^2+5x=x^2 please help me solve for x.

11 years ago

If 6 is a root of the equation x^2-8x+k=0, find the value of k.

11 years ago

in a rectangle the measures of the base and the altitude are in a ratio of 1:4. I f the rectangle is equal in area to a square with a perimeter of 60 feet, find the dimensions of the rectangle HELP PLEASE TYSM!!

11 years ago

What does ' mean? ie. triangle abc is congruent to triangle a'b'c'

10 years ago

A uniform thin wire is bent into a semicircle of radius r. Determine the coordinates of its center of mass with respect to an origin of coordinates at the center of the "full" circle. Because wire is uniform x (sub cm) = 0 mass=dm length=dl coordinates (x...

9 years ago

a uniform thin wire is bent into a semicircle of radius r, determine the coordinates of its center of mass with respect to an origin of coordinates at the center of the full circle

9 years ago

You are baking chocolate chip cookies. One batch makes 4 dozen big cookies. The recipe calls for 3/4 cup brown sugar. How many cups of brown sugar would you need if you wanted to make 11 dozen cookies.

6 years ago

Answers

The following answers were posted by visitors named Melinda.

Is this it? 6/120 = N/240 (240) 6/120 = n/240 (240) 12 = N

17 years ago

how do they do it

17 years ago

Several students in class were asked to reach into a bag and pull out cubes. the number of cubes each person grabbed. what are 1st and 3rd quartiles of this data

15 years ago

I appreciate the explanation-I get it now

Thank you so much for checking these

14 years ago

1. The speaker uses "and" to extend the comparison/ 2. We can tell that the journey has been diffcult because she compares it to walking on a staircase with tacks, splinters, torn-up, and in the dark.

14 years ago

I know the answer for the second one-it is ABCB but I'm not sure what that other website was suppose to tell me- I read it but I still have a question about number 1-Wild Night! Wild Night! I've eliminated internal rhyme but I'm not sure is that an exampl...

14 years ago

2. For which value of x is the instantaneous rate of change of h(x) = 0.5x^2 + x - 2 closest to 0? a) x= -1 b) x= 0 c) x= 1 d x= 3 sorry mistake on #2 its B?

13 years ago

For Number 1, the answer is A wow, totally miscalculated. What about other questions am I right? For number 3 4. A student is walking in a straight line in front of a sensor. The sensor begins collecting data when the student is 6m away. The student walks...

13 years ago

Why is problem 1 not A? I plugged in 4 and 1 into each of the equations given and A gave me negative avg rate T.T

13 years ago

This is the correct question, sorry I forgot to type in the one part of the question. 4. A student is walking in a straight line in front of a sensor. The sensor begins collecting data when the student is 6m away. The student walks toward the sensor for 4...

13 years ago

I believe its between (10,6) and (12,6) because we know that the starting point is at 6.. I don't know after that

13 years ago

Then the answer must be c) h(x) = -x^2 + 9/4-1 = -(4)^2 + 9/4-1 = -7/4-1 =-x(1)^2 + 9 = 8 = -7 - 8/3 =-5 there c is negative

13 years ago

For problem 2, it is A? x= -1

13 years ago

What about question 4? 4. A student is walking in a straight line in front of a sensor. The sensor begins collecting data when the student is 6m away. The student walks toward the sensor for 4 s at a rate of 1 m/s. Then she walks away from the sensor for...

13 years ago

i got 0.25 answer, I wish I could show you the graph... T.T

13 years ago

Here is the link imgur dot com/3V1AX The question asks: A distance versus time graph is shown below. What is the instantaneous rate of change in the distance at t=6s sorry, it won't rotate, you can save the pic and rotate >.<

13 years ago

I can't post exact link due to errors :S

13 years ago

So I am right? =D

13 years ago

Btw, may I post another question here with image, I just want you to verify if I am correct :|

13 years ago

Ok, thanks~

13 years ago

Got it! THank you~~~~~~~

13 years ago

So it is a vertical stretch by -3?

13 years ago

How did you find out what a is if you knew it was UP 4, left 1?

13 years ago

I tried looking through previous post but i don't understand it

13 years ago

Thank you Reiny!!!!!!!

13 years ago

It's -0.83 7+5m=2-m 5m+m=2-7 6m=-5 Divide both by 6 which equals to -5/6 and if u divide -5/6, it'll be -0.83

13 years ago

bring over -11 to the other side 11-13=3c

13 years ago

Oh, its a website where we can post images, jiksha wouldn't allow me to post exact url

13 years ago

Thanks Drwls! For 1, I got the same answer however, the book says 263.89 m

May i know how you got x^2....

13 years ago

Nevermind I got it!

13 years ago

I still don't understand :| In the book, they show me a chart with given intervals (For ex. x<-2| -2<x<6| x>6|) Then sub numbers to find if it its concave or up. But this question doesn't have an equation but graph instead.

13 years ago

I used this R(c)=(5000)(4600-400c) R'(c)=-200,000 in the question it says: The owner realizes that 100 fewer people would ride the bus for each $0.25 increase in fare, and 100 more people would ride for each $0.25 decrease in fare. So wouldn't it be (100-...

I tried to ask to multiply 4

5 years ago

First of all,the question is faux, it doesn't even have enough info to solve the problem!

4 years ago

A gumball machine contained five different flavours of gum (cherry, banana, orange, pineapple and licorice). A gatcha machine contained bouncy balls (blue, pink, yellow, green and purple). What is P(not cherry and not banana, blue)?

4 years ago