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Melinda
Questions and answers by visitors named
Melinda
Questions (93)
Determine the exact value of cos 465 degrees
a) √3 + √2/2 b) √2 + √3√2/4 c)√2 - √3√2/4 d)2+√2-√3√2/4
5 answers
asked by
Melinda
5,214 views
An object is dropped from the observation deck of the Skylon Tower in Niagara Falls, Ontario. The distance, in metres, from the
5 answers
2,035 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
4 answers
6,077 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) =
16 answers
2,745 views
Business leaders in a small but thriving community in the southeast have noticed a considerable increase in the alcohol
1 answer
515 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
3 answers
2,479 views
This question really has me stumped and I don't know why, I seem to have forgotten the process . . .
A model electric train
3 answers
489 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
1 answer
347 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 answer
429 views
How can I become my own editor and review my writing with a critical eye?
1 answer
327 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
3 answers
1,436 views
Please help!
What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you
3 answers
354 views
Explain the entities affected by industrial regulation in terms of market structure.
1 answer
300 views
A woman is brought into an emergency room after a severe automobile accident. She’s
unconscious and badly injured. Her husband
2 answers
1,332 views
what is the adverb in this sentence?
"Soon people became very fearful."
7 answers
361 views
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
4 answers
325 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
4 answers
749 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
3 answers
631 views
Someone verify if this is correct, please!
1. Draw a distance versus time graph that corresponds to the walk described below.
4 answers
1,075 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
11 answers
688 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 answer
477 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
2 answers
646 views
Can someone help me with this question? I got the transformation for horizontal shift and vertical shift, however, I don't know
6 answers
805 views
How do I find the vertical/horizontal compression/stretch?
For the graph, determine the equation of the function in the form
3 answers
982 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
3 answers
536 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
2 answers
800 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 answer
1,020 views
An open-topped box is made from a rectangular piece of cardboard, with dimensions of 24 cm by 30 cm, by cutting congruent
4 answers
1,682 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
5 answers
asked by
Melinda
2,046 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
3 answers
440 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 answer
357 views
Verify these answers
1.Which of the six trigonometric functions are positive in quadrant III? Answer: tangent and cotangent
2 answers
891 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
5 answers
655 views
Would someone verify these answers.
1. A person waves his hand back and forth, where their finger tips move past the starting
6 answers
2,321 views
Express the following as a function of a single angle sin 20 degree cos 30 degree + cos 20 degree sin 30 degree
2 answers
1,102 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 answer
487 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
2 answers
596 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
4 answers
485 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 answer
493 views
1. What two common identities are most useful for simplifying 2tanx/(sin^2x + cos^2x - tan^2x)?
Two identities are: sin^2x +
4 answers
1,456 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 answer
1,100 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
2 answers
578 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 answer
481 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
4 answers
1,013 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 answer
382 views
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....
1 answer
495 views
Simplify difference quotients.
1/(1+h)-1/h I got 1-1-h/h but the answer is -1/(1+h)
1 answer
382 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 answer
308 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
4 answers
558 views
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)
3 answers
728 views
A certain fast food restaurant wants to determine the increase in revenue per cheeseburger if sales are $45,000. Let the
2 answers
669 views
Determine the derivative for y=tanxcosx
a) y'=-sinxtanx + cosxsec^2x b) y'=-sinxtanx + cosxtanx c) y'=cosxsec^2x d) y'=sinx -
4 answers
554 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
3 answers
908 views
Could someone explain this question to me?
I attempted the question and here is why I chose the answer below. Thank you!
3 answers
1,330 views
If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,c
1 answer
426 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
3 answers
1,350 views
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?
2 answers
492 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
3 answers
922 views
Do the vectors (2,0,1),(-2,0,0) and (2,3,0) lie on the same plane? Explain your reasoning.
3 answers
510 views
Please help/verify the answer.
1. When you add vectors geometrically: a) vectors are aligned tail to tail b) vectors are aligned
3 answers
863 views
how many properties of blood exists
1 answer
303 views
round off 16,352 to the nearest tens
3 answers
432 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
3 answers
601 views
At Thanksgiving dinner, Deborah ate a portion of turkey (673 calories;masch potatoes (408 calories);stuffing (519 calories);
2 answers
577 views
subtract 345 from 678
1 answer
471 views
solve the problem
456 + 65.
1 answer
292 views
(-36)/(-2) =
1 answer
194 views
-214 / 2
1 answer
271 views
A sample of an unknown biochemical compound is found to have a percent composition of 55.03 percent carbon, 5.54 percent
4 answers
1,393 views
Write the molecular equation for the combination of aqueous solutions of sodium chloride and silver nitrate. Enter your answer
3 answers
1,169 views
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
3 answers
1,385 views
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
2 answers
897 views
5A=5-b
5A=3-b
1 answer
246 views
How do I write a paper on "Why we trade with Brazil?"
1 answer
299 views
y = 5x, solve for x
1 answer
274 views
Stephenson Real Estate Capitalization
1 answer
360 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
1 answer
417 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 answer
1,203 views
The figure shows three rotating, uniform disks that are coupled by belts. One belt runs around the rims of disks A and C.
2 answers
1,246 views
A teacher is concerned about monitoring the progress of individual children in the second-grade
classroom. What would be the best
4 answers
697 views
When assessing the overall layout of a classroom, what two factors should be so clear that children's
movement behavior will be
2 answers
706 views
Which of the following is a correct statement about exploratory play?
A. In exploratory play, children assume primary
4 answers
1,231 views
Which of the following is a common mistake new teachers make when setting up learning centers?
A. Planning specific activities
4 answers
464 views
Which of the following is an example of an appropriate activity-plan objective?
A. The child puts the story characters in
2 answers
642 views
Which of the following is an example of an appropriate activity-plan objective?
A. The child puts the story characters in
3 answers
825 views
3x^2+5x=x^2
please help me solve for x.
1 answer
322 views
If 6 is a root of the equation x^2-8x+k=0, find the value of k.
1 answer
397 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
2 answers
613 views
What does ' mean?
ie. triangle abc is congruent to triangle a'b'c'
1 answer
335 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 answer
1,222 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 answer
1,225 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
3 answers
1,143 views
You are baking chocolate chip cookies. One batch makes 4 dozen big cookies. The recipe calls for 3/4 cup brown sugar. How many
4 answers
2,405 views
