Questions and answers by

Melinda

Questions (93)

You are baking chocolate chip cookies. One batch makes 4 dozen big cookies. The recipe calls for 3/4 cup brown sugar. How many
1. 2 answers
2. 2,462 views
a uniform thin wire is bent into a semicircle of radius r, determine the coordinates of its center of mass with respect to an
1. 1 answer
2. 1,196 views
A uniform thin wire is bent into a semicircle of radius r. Determine the coordinates of its center of mass with respect to an
1. 0 answers
2. 1,282 views
A uniform thin wire is bent into a semicircle of radius r. Determine the coordinates of its center of mass with respect to an
1. 0 answers
2. 1,272 views
What does ' mean?ie. triangle abc is congruent to triangle a'b'c'
1. 0 answers
2. 365 views
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
1. 1 answer
2. 666 views
If 6 is a root of the equation x^2-8x+k=0, find the value of k.
1. 0 answers
2. 426 views
3x^2+5x=x^2please help me solve for x.
1. 1 answer
2. 360 views
Which of the following is an example of an appropriate activity-plan objective?A. The child puts the story characters in
1. 1 answer
2. 875 views
Which of the following is an example of an appropriate activity-plan objective?A. The child puts the story characters in
1. 1 answer
2. 701 views
Which of the following is a common mistake new teachers make when setting up learning centers?A. Planning specific activities
1. 3 answers
2. 524 views
Which of the following is a correct statement about exploratory play?A. In exploratory play, children assume primary
1. 3 answers
2. 1,332 views
When assessing the overall layout of a classroom, what two factors should be so clear that children'smovement behavior will be
1. 1 answer
2. 770 views
A teacher is concerned about monitoring the progress of individual children in the second-gradeclassroom. What would be the best
1. 3 answers
2. 766 views
The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C.
1. 1 answer
2. 1,306 views
The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C.
1. 0 answers
2. 1,265 views
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
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2. 460 views
Stephenson Real Estate Capitalization
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2. 391 views
y = 5x, solve for x
1. 1 answer
2. 303 views
How do I write a paper on "Why we trade with Brazil?"
1. 1 answer
2. 333 views
5A=5-b5A=3-b
1. 1 answer
2. 272 views
This is a three part problem I need help in figuring out pleaseIn each of the questions below you are going to determine a
1. 1 answer
2. 945 views
This is a three part problem I need help in figuring out pleaseIn each of the questions below you are going to determine a
1. 1 answer
2. 1,446 views
Write the molecular equation for the combination of aqueous solutions of sodium chloride and silver nitrate. Enter your answer
1. 2 answers
2. 1,202 views
A sample of an unknown biochemical compound is found to have a percent composition of 55.03 percent carbon, 5.54 percent
1. 1 answer
2. 1,477 views
-214 / 2
1. 1 answer
2. 297 views
(-36)/(-2) =
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2. 224 views
subtract 345 from 678
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2. 506 views
solve the problem456 + 65.
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2. 320 views
At Thanksgiving dinner, Deborah ate a portion of turkey (673 calories;masch potatoes (408 calories);stuffing (519 calories);
1. 1 answer
2. 628 views
randall opened a savings account on June 1st and made the following deposits: $212.19, June 5th $23.03, June 12 $307.15, June
1. 2 answers
2. 658 views
round off 16,352 to the nearest tens
1. 2 answers
2. 463 views
how many properties of blood exists
1. 1 answer
2. 338 views
Please help/verify the answer.1. When you add vectors geometrically: a) vectors are aligned tail to tail b) vectors are aligned
1. 1 answer
2. 925 views
Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.
1. 1 answer
2. 548 views
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
1. 1 answer
2. 971 views
If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,cIs this the correct answer: a= -4, b= -3, c= -1?
1. 1 answer
2. 529 views
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
1. 1 answer
2. 1,426 views
If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,c
1. 1 answer
2. 460 views
Could someone explain this question to me?I attempted the question and here is why I chose the answer below. Thank you!
1. 1 answer
2. 1,374 views
An object is dropped from the observation deck of the Skylon Tower in Niagara Falls, Ontario. The distance, in metres, from the
1. 2 answers
2. 2,178 views
Which of the following is the maximum value of the function f(x)=2sinxcosx?a) 0 b) 1 c) 2 d) No maximum value
1. 1 answer
2. 957 views
Determine the derivative for y=tanxcosxa) y'=-sinxtanx + cosxsec^2x b) y'=-sinxtanx + cosxtanx c) y'=cosxsec^2x d) y'=sinx -
1. 2 answers
2. 608 views
A certain fast food restaurant wants to determine the increase in revenue per cheeseburger if sales are $45,000. Let the
1. 1 answer
2. 702 views
Determine the slope of the tangent to the function f(x)=5xe^x at the point with x-coordinate x=2a) -1/5 b) 10e^2 c) 15e^2 d)
1. 1 answer
2. 767 views
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
1. 3 answers
2. 623 views
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
1. 1 answer
2. 332 views
Simplify difference quotients.1/(1+h)-1/h I got 1-1-h/h but the answer is -1/(1+h)
1. 1 answer
2. 426 views
log(base2)x-log(base2)6= log(base2)5+ 2log(base2)3log(x/6)=3log15 (x/6)=15^3 6*(x/6)=15^3*6 x=15^3*6 =20,250 Answer is 270....
1. 1 answer
2. 550 views
What are the restrictions on the variable in the equation log(3x-5)-log(x-2)=log(x^2-5)?5/3, 2, ???
1. 0 answers
2. 423 views
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
1. 3 answers
2. 1,073 views
Given the parent function f(x)log(base10)x, state the equation of the function that results from a vertical stretch by a factor
1. 0 answers
2. 518 views
Given the parent function f(x)log(base10)x, state the equation of the function that results from a vertical stretch by a factor
1. 0 answers
2. 631 views
Verify these answers please.1. Which of the following functions would f(x) = log(base 10)x horizontally 4 units to the left? a)
1. 0 answers
2. 1,159 views
Determine the exact value of cos 465 degreesa) √3 + √2/2 b) √2 + √3√2/4 c)√2 - √3√2/4 d)2+√2-√3√2/4
1. 3 answers
2. 5,310 views
1. What two common identities are most useful for simplifying 2tanx/(sin^2x + cos^2x - tan^2x)?Two identities are: sin^2x +
1. 2 answers
2. 1,529 views
What two common identities are most useful for simplifying 2tanx/sin^2x + cos^2x - tan^2x?Two identities are: sin^2x + cos^2x =
1. 1 answer
2. 560 views
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
1. 3 answers
2. 554 views
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
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2. 647 views
The number of library books in a school increased by 20% after it bought new books in may. The number increased by another 20%
1. 0 answers
2. 542 views
Express the following as a function of a single angle sin 20 degree cos 30 degree + cos 20 degree sin 30 degree
1. 1 answer
2. 1,161 views
Would someone verify these answers.1. A person waves his hand back and forth, where their finger tips move past the starting
1. 4 answers
2. 2,398 views
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
1. 4 answers
2. 728 views
Verify these answers1.Which of the six trigonometric functions are positive in quadrant III? Answer: tangent and cotangent
1. 1 answer
2. 946 views
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
1. 1 answer
2. 415 views
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
1. 2 answers
2. 515 views
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
1. 3 answers
2. 2,156 views
An open-topped box is made from a rectangular piece of cardboard, with dimensions of 24 cm by 30 cm, by cutting congruent
1. 1 answer
2. 1,752 views
Verify if my answers are correct.1. The function y=x^3 has undergone the following sets of transformations. If y=x^3 passes
1. 0 answers
2. 1,086 views
Verify if my answers are correct.1. The function y=x^3 has undergone the following sets of transformations. If y=x^3 passes
1. 0 answers
2. 861 views
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
1. 2 answers
2. 603 views
How do I find the vertical/horizontal compression/stretch?For the graph, determine the equation of the function in the form
1. 2 answers
2. 1,052 views
Can someone help me with this question? I got the transformation for horizontal shift and vertical shift, however, I don't know
1. 5 answers
2. 908 views
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
1. 1 answer
2. 6,193 views
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
1. 1 answer
2. 732 views
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
1. 1 answer
2. 532 views
Someone verify if this is correct, please!1. Draw a distance versus time graph that corresponds to the walk described below.
1. 3 answers
2. 1,146 views
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
1. 11 answers
2. 784 views
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) =
1. 16 answers
2. 2,864 views
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
1. 1 answer
2. 704 views
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
1. 3 answers
2. 808 views
Could someone check these please?I had place a possessive adjective in place of el1. El hermano de Juan y Pedro se llama Bret
1. 3 answers
2. 380 views
what is the adverb in this sentence?"Soon people became very fearful."
1. 6 answers
2. 416 views
A woman is brought into an emergency room after a severe automobile accident. She’sunconscious and badly injured. Her husband
1. 1 answer
2. 1,383 views
Explain the entities affected by industrial regulation in terms of market structure.
1. 0 answers
2. 349 views
Please help!What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you
1. 2 answers
2. 407 views
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
1. 1 answer
2. 1,505 views
How can I become my own editor and review my writing with a critical eye?
1. 1 answer
2. 378 views
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
1. 1 answer
2. 473 views
I am in need of help with Microsoft Office Access 07. I am trying to set relationship tables and I have to enforce referential
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2. 386 views
This question really has me stumped and I don't know why, I seem to have forgotten the process . . .A model electric train
1. 2 answers
2. 540 views
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
1. 1 answer
2. 2,548 views
Business leaders in a small but thriving community in the southeast have noticed a considerable increase in the alcohol
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2. 559 views