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Laurie
Questions (118)
Hi, I'm going into my junior year of high school and have not taken any AP courses. I'm planning to go to community college so I
3 answers
202 views
The average wind speed at a height of 80m over the North Sea is estimated to be about 9 m/s. Norway plans to build a 10-MW wind
0 answers
695 views
The human eye can detect light of wavelengths up to 400 nm. Calculate the temperature at which a heated piece of metal would
2 answers
771 views
Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x and y are integers and
0 answers
814 views
Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x and y are integers and
2 answers
481 views
A farmer has 1,000 yards of fence to use to make a rectangular corral. Let x be the length of the corral.
Why does A(x)=x(500-x)
1 answer
995 views
If a light bulb that burns 3 hours a day lasts for 22.8 years, then how long will a light bulb that burns for 7 hours a day
2 answers
606 views
A depositor opens a new savings account with $ 8000 at 8 % compounded semiannually. At the beginning of year 3, an additional
1 answer
884 views
Find two numbers whose product is 20 and whose quotient is 5
2 answers
1,314 views
The monthly income I, in dollars, from a new product is given by
I(t) = 75000 − 55000e^−0.003t where t is the time, in
1 answer
623 views
If a 2-inch pipe will fill a tank in 6 hours, how long will it require for a 3-inch pipe to fill it?
1 answer
522 views
Donations to an annual fundraiser are 15% greater this year than last year. Last year, donations were 10% greater than the year
1 answer
830 views
40 students are in the science club. 45% are girls. New girls enter the club and now the percentage of girls is 56%. How many
5 answers
1,628 views
A basketball momentarily changes shape as it bounces off the floor. This is due to balanced forces acting on the ball.
True False
3 answers
1,484 views
1. Which of the following is NOT an example of a objective question?
A. multiple choice B. essay** C. true/false D. matching 2.
6 answers
4,122 views
I have gotten two different answers to the following problem. Can someone please let me know which answer is correct?
(5 - 6)³ +
1 answer
387 views
Can you let me know if the answer to the following problem is 11 2/3? Thank you
4² + [15 ÷ 9 - 3(2)] = 11 2/3??
1 answer
324 views
Thank you to all the people that answers questions on this website. It is truly helpful to people like me.
I don't know how to
1 answer
490 views
For the following example:
5 * 6 - 2 * 4 = 30 - 8 Does this represent the substitution property? I am assuming yes since you are
1 answer
392 views
Can you please help me solve the following problem:
4² + [15 + 9 - 3(2)] Thank you.
2 answers
464 views
10. Bob must ship his belongings worth 1,000 to England from Latin America. The prob- ability that a ship sinks and he loses the
0 answers
569 views
A car rental company charges $100 for the first 50 miles and $10 for every additional 10 miles. If Gregg traveled 150 miles, how
2 answers
667 views
A car rental company charges $100 for the first 50 miles and $10 for every additional 10 miles. If Gregg traveled 150 miles, how
1 answer
552 views
My father was a hard working man but didn't earn much money.
Is this sentence correctly punctuated?
2 answers
2,040 views
Find the area of the region enclosed by the parabolas y=x^2 and y+2x-x^2
1 answer
639 views
2x
-------- (x-2)(x+2) using partial fractions That's supposed to be a division sign of some sort
1 answer
477 views
xe^x using integration by parts
1 answer
429 views
1. A car decelerates at -3.8 without skidding when coming to rest on a level road. What would be its deceleration if the road is
0 answers
901 views
How many edges are in K15, the complete graph with 15 vertices
2 answers
766 views
Mr. Thomas spent 1600.00 of his savings on a TV and 2/5 of the remainder on a refrigerator. He had 1/3 of his original amount of
3 answers
2,726 views
What could be a benefit for a plant that can switch between cyclic and non-cyclic electron transport? Think about the products
0 answers
476 views
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.
5 answers
5,696 views
Multiply:
-8(2a+4b-6)
1 answer
289 views
For a single-sample t-test the t(17) = 2.90, p<.02, how many were in the study?
2 answers
428 views
Want to find if students who are musicians have higher Iq test scores than the general population. the researcher predicts that
1 answer
652 views
The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked
out a carton of 1 dozen eggs
0 answers
737 views
The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked
out a carton of 1 dozen eggs
0 answers
707 views
The probability that an individual egg in a carton of eggs is cracked is 0.05. You have picked
out a carton of 1 dozen eggs
0 answers
641 views
The length of the rod will become exactly half of its original value.
The length of the rod remains the same. The length of the
1 answer
1,032 views
The length of the rod will become exactly half of its original value.
The length of the rod remains the same. The length of the
0 answers
599 views
If a rod is moving at a velocity equal to 1/2 the speed of light parallel to its length, what will a stationary observer observe
1 answer
1,694 views
The length of the rod will become exactly half of its original value.
The length of the rod remains the same. The length of the
0 answers
641 views
Find (gof)(-2)
f(x)=Squareroot of 4-x; g(x)=1-3x^2
0 answers
396 views
What is the domain of the function
f(x)=11/Squareroot of 4-x^2 a.(-11,11) b.[-11,11] c. (-2,2) d. [-2,2] What is the range of the
0 answers
532 views
y^2+6+2(y^2+5)
My answer is 3y^2+16 (simplifying) but the hawkes learning system won't accept this answer. Am I missing
1 answer
863 views
find the volume of the solid generated by revolving the region r bounded by the graphs of the given equations about the y-axis.
x
2 answers
626 views
Please confirm: {(5x+2)^4/x^2-3x+1)^3}=
20(5x+2)^2(x^2-3x+1)^3 -3x^2(5x+2)^4 (x^2-3x+1)^2/(x^2-3x+1)^6
1 answer
348 views
Six light bulbs are connected in parallel to a 9.0 V battery. Each bulb has a resistance of 3.0 ohms. What is the current in
1 answer
2,735 views
how to factor w^2r^2-1
0 answers
246 views
A 1 kg block of ice, at 0.0 celcius is added to a picnic cooler. How much heat will the ice remove as it melts into water at
1 answer
1,130 views
What volume of 3.0M sodium hydroxide will be needed to neutralize 2.0 L of 1.0M hydrochloric acid?
2 answers
1,133 views
Use a radius of 50 and 3 for pi to estimate the area. Then use a radius of 40 and 3 for pi to estimate the area. Is your answer
1 answer
490 views
Lasers are used to try to produce controlled fusion reactions. These lasers require brief pulses of energy that are stored in
2 answers
1,668 views
I am trying to locate credible information in regards to the following question. Please note, I do not want the answers, just
6 answers
630 views
Element X has three istotopes, X⁹⁵, X⁹⁶, and X⁹⁸. Element X has an atomic mass of 96.344u. If X-98 has a mass of
1 answer
628 views
Element X has three istotopes, X⁹⁵, X⁹⁶, and X⁹⁸. Element X has an atomic mass of 96.344u. If X-98 has a mass of
0 answers
645 views
Element X has three istotopes, X⁹⁵, X⁹⁶, and X⁹⁸. Element X has an atomic mass of 96.344u. If X-98 has a mass of
1 answer
564 views
Nitrogen effused through a pinhole 1.7times as fast as another gaseous element at the same conditions.Estimate the other
2 answers
849 views
A 23 L flask at 254 K and 19 Torr contains nitrogen. What mass of nitrogen is present? Answer in units of g.
3 answers
1,084 views
Find equations for the lines that are tangent and normal to the graph of y = sinx + 3 at x = pi
1 answer
3,173 views
Can you tell me if I have this correct? I have to identify the adjectives and adverbs in this paragraph.
Adjectives: early first
1 answer
682 views
F(4)=8 what is the ordered pair
1 answer
417 views
I have this equation y+x=-7 I have to graph my answers to find out what my y is. I have tried everything, and I cannot get my
2 answers
740 views
I have a 10 to 12 powerpoint slide due next week and I just wanted to get started on it. I need to explain where health
3 answers
640 views
Describe how companies have used marketing data to target wants and need.
0 answers
430 views
How does the English language that is spoken in the US accomplish that men are portrayed as independent and serious, and are
1 answer
479 views
select the sentence in which the verb correctly agrees with the subject.
1 answer
731 views
When a speaker is 20 years older that the person listening, the listener's ability to listen is affected by what factors?
5 answers
1,066 views
I am so confused about correlation equations. I don't know at all how to use them
r= W (x-xXy-y)=Sxy __________________ n *the
0 answers
447 views
trying to unscrable the letters
jeatdcn into a math word
0 answers
462 views
In isosceles triangle DEF, DE=DF. Which of the following is true?
1) <D is congruent to <E 2) <F is congruent to <E 3) <D is
1 answer
1,433 views
13-5e^2x=3
1 answer
313 views
Solve. Find the exact solution(s). Simplify as much as possible. Show work.
2x^2 + 4x – 1 = 0
2 answers
418 views
Solve. Find the exact solution(s). Simplify as much as possible. Show work.
2x^2 + 4x – 1 = 0
1 answer
423 views
A contagious disease is infecting residents of a town of 7,300 residents.
The number of residents infected t days after the
1 answer
1,106 views
Consider the quadratic function
f(x) = – x^2 + 10x – 26. Determine whether there is a maximum or minimum value and find that
6 answers
2,306 views
Confused Please Help! Thanks!
Let f(x) = 1 – 3x^2. Which of the following is true? Give a brief explanation. A. f is an odd
8 answers
559 views
What is the answer? I came up with C. is this correct? Thanks for the help in advance!
f(x)=root sign, and inside that x-2 and
2 answers
641 views
f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function?
A. (-infinity,2]
2 answers
1,103 views
Consider the line with equation
5x – 2y = 10. (a) Find the y-intercept for the given line. (b) Find the slope for a line
4 answers
1,014 views
I need to find the quotient function of the following:
Given that f(x)=x^2-3 and g(x)=2x+1 find each of the following if it
1 answer
448 views
Given that f(x) = x^2 -3 and g(x) = 2x+1, find each of the follwing, if it exists.
Problem 1 (f/g)(-root3) Problem 2 (g/f)(-1/2)
0 answers
428 views
Given that f(x) = x^2 -3 and g(x) = 2x+1, find each of the follwing, if it exists.
Problem 1 (f/g)(-root3) Problem 2 (g/f)(-1/2)
0 answers
383 views
Given that f(x) = x^2 -3 and g(x) = 2x+1, find each of the follwing, if it exists.
Problem 1 (f/g)(-root3) Problem 2 (g/f)(-1/2)
0 answers
367 views
What method would be used in financial reporting and would not involve salvage value until the last year of an asset's useful
1 answer
323 views
What is the simple interest on a loan of $18,500 at 11% interest for 18 months?
1 answer
382 views
What do you get when you multiply the mixed number 4 2/7 by the mixed number 6 2/5 and reduce to its lowest terms?
1 answer
587 views
What do I get when I change the fraction 38/8 to a mixed number and reduce to its lowest terms?
2 answers
815 views
A computer store sold a total of 300 items in a month, and sold six times as many hard drives as they did CD-ROM drives, and
1 answer
590 views
What is the value of G in the equation G/5-13=42?
3 answers
392 views
Calculate the value of
|7.3| – |–2.1|
3 answers
451 views
What is the value of x in the equation x + 19 = 76?
2 answers
337 views
What is the sum of 2/3, 3/8, and 5/12 reduced to its lowest terms?
1 answer
477 views
Lianne has nineteen coins worth $1.45. Some coins are dimes & the rest are nickels. How many dimes does she have.
I understand
2 answers
927 views
Lianne has nineteen coins worth $1.45. Some of her coins are dimes & the rest are nickels. How many dimes does she have?
1 answer
491 views
Simplify.
(2^-1∙7^-4)^-2
5 answers
361 views
trencsaamla
2 answers
475 views
Factor
(m + 4) (a – 5) + (m + 4) (a + 3) I cut it down to 2 possibilities. (m + 4) (2a – 2) (m + 4) (a2 – 2) Think it's
7 answers
325 views
In the sentence: "Dr. Phil counseled the mother of a four-year-old who weighs 150 lbs."
Would it be better to say, "Dr. Phil
2 answers
571 views
Identify the components of the information processing theory
1 answer
742 views
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