Saturday
December 3, 2016

# Posts by cam

Total # Posts: 158

social studdies
Is it b?
October 19, 2016

social studdies
Which event within a state will most likely require the involvement of the federal government A.A corporation is created B.The state constitution is amended C.A boundary with a nearby state is disputed D. The rules for obtaining a drivers licence change
October 19, 2016

Physics
So p=m*Vi + (a*t) 85*1+2t=65*0+3t 85+2t=3t 85=t? Which is incorrect obviously. I know from other failed methods that the answer is ~3.7seconds. What am i doing wrong?
July 4, 2016

Physics
How do I figure out how long it takes two runners to have the same momentum if I am given a, m, and Vi for both runners? Runner A= 85kg, 2ms-2, Vi=1ms-1 Runner B= 65kg, 3ms-2, Vi=0ms-2 I don't want an answer, just which equations to use or a hint.
July 4, 2016

Math
Or is it B?
May 9, 2016

Math
Which quadratic rule represents the data in the table? X : -1 | 0 | 1 | 2 | 3 Y: 4 | 5 | 4 | 1 | -4 Y = -2x^2 + 5 Y = -x^2 + 5 Y = -x^2 - 5 Y = x^2 + 5 My answer is Y = -x^2 - 5
May 9, 2016

Math
What are the mean, median mode and range of the data we given the altitude of lakes in feet? -9,-36,-23,-8,17,-52,27,-36 Mean: -25 Median: -26 mode: -44 range: 36 Mean: -25 Median: -:-36 mode: -36 Range: 44 Mean: -26 Median: -25 Mode: -36 range: 44 Mean: -26 Median: -44 Mode...
April 20, 2016

Science
Why do scientists study images made with parts of the electromagnetic spectrum other than visible light? A)These images are the only way to observe galaxies beyond our own. B)These images reveal information that visible light does not show. C)These images show important data ...
April 4, 2016

Science
Me too but i'm not sure....
April 4, 2016

Algebra 2
Mrs. Jones algebra 2 class scored very well on yesterday's quiz. With one exception, everyone received an A. Within how many standard deviations from the mean do all the quiz grades fall ? Ó =3.1 95, 92,94,88,96,99,91,93,94,97,95,97
April 1, 2016

Math
1.Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15*** D.225 2.The length of a hypotenuse of a right triangle is 13cm. The length of one leg is 5cm. Find the length of the other leg. A.14 B.144 C.8 D.12*** 3.Which of the ...
November 7, 2015

math
How do i divide 6 by 2/7
October 20, 2015

Calculus
How can I solve this using Log differentiation? I'm not sure how to even start it. y=(cos(x)(x^2+9)^(2/3)/(sqr(x^3+2))
April 13, 2015

Social Studies
What two ancient civilizations had the most similar religious beliefs/ A. Greek and Persian B. Roman and Greek C. Chinese and Roman D. Persian and Chinese I pick B is this correct
March 20, 2015

Math
Would it be 6 red marbles 2 blue marbles.
March 20, 2015

Math
If 50 books is \$86.45 for each Books and 150 books is \$80.95 for each book what is the cost for 60 books?
March 19, 2015

science
Some hypothetical metal has the simple cubic crystal structure. If its atomic weight is 70.4 g/mol and the atomic radius is 0.126 nm, compute its density in g/cc.
January 22, 2015

math
Jackson have a piece of wood that is 6 feet long. He is cutting it into pieces that are 1/3 of a foot. How many pieces of wood will he have after he cuts it?
January 7, 2015

Math
sin A = 1/2 A = 30 degrees sin is opposite over hypotenuse thus, BC/AC BC = 8 (given) thus 1/2 = 8/AC AC = 16 cos A is cos 30degrees so cos A = (sqrt(3)) / 2 cos is always adjacent over hypotenuse thus, AB/AC because AC = 16 sqrt3 /2 = AB/16 AB = 8 sqrt3
November 12, 2014

Differential Equations
(a) Let S be the set of solutions y(t) to the differential equation dy/dt = -y for t> 0. With addition and scalar multiplication of elements defined in the usual way, is S a vector space? (b)Let T be the set of solution y(t) to the differential equation dy/dt = 1 - y for t...
October 13, 2014

math
Jenny wanted to solve the quadratic equation x2 - 11x +18 = 0 by factoring. Which of the following equations would lead her to solve the given equation?
August 30, 2014

Math DE
Find the general solution of the differential equation dy/dx-4y= -5y^2
August 3, 2014

Geometry
rhombus is a rectangle is c and square is b
June 24, 2014

geography
1. B 2. D 3. D 4. D 5. C 6. A 7. C 8. D 9. C
May 22, 2014

THIS JUST MESSED ME UP I HOPE U GO TO HELL
May 20, 2014

Math
Expand (1+y+ky^2)^8 until y^3
May 10, 2014

physics
okay, I got it thanks !
April 25, 2014

physics
6.67e-11
April 25, 2014

Damon
the mass of the moon is M=7.35e22 and the radius= 1.738 e6 I used the formula 1/2m(2/5vi)^2 - GMm/h+R= 1/2vi^2-GMm/R Where little m cancels out and solved for h. But my answer and the answer you just gave me was marked wrong. So you have any other suggestions?
April 25, 2014

physics
A projectile is launched vertically from the surface of the Moon with an initial speed of 1210 m/s. At what altitude is the projectile's speed two-fifths its initial value?
April 25, 2014

Chemistry
Balance the following redox (oxidation-reduction) reaction under basic conditions. (Include states-of-matter under the given conditions in your answer. Use the lowest possible whole number coefficients.) CrO42−(aq) + S2O32−(aq) → Cr3+(aq) + SO42−(aq)
April 14, 2014

physics
Same here Heather, same here.
April 3, 2014

1.A 2.B,C,E 3.A 4.B,E 5.A,D,E I know this because I took the test in school.
March 13, 2014

Physics
A single mass (m1 = 3.2 kg) hangs from a spring in a motionless elevator. The spring constant is k = 253 N/m. 1) What is the distance the spring is stretched from its unstretched length? This first answer is equal to 12.4 cm but I am having trouble on the second question... 2)...
February 21, 2014

Physics
You are on an airplane traveling 30° south of due west at 130 m/s with respect to the air. The air is moving with a speed 30 m/s with respect to the ground due north. One question.. 2) What is the heading of the plane with respect to the ground? (Let 0° represent due ...
February 15, 2014

the bridge span is 360 meters long. the bridge is 30 meters shorter than the main span. write and solve an equation to the the length of the main span
February 3, 2014

math
i need the equation
February 3, 2014

math
the length of the blue ribbon is two-thirds of the length of the red ribbon. writh an equation to find the length r of the red ribbon
February 3, 2014

Physics
A red ball is thrown down with an initial speed of 1.2 m/s from a height of 25 meters above the ground. Then, 0.6 seconds after the red ball is thrown, a blue ball is thrown upward with an initial speed of 22.9 m/s, from a height of 0.8 meters above the ground. The force of ...
February 2, 2014

Physics
Hey bobpursley! ITS 3.09!! YAYY thanks lot!
February 2, 2014

Physics
A blue ball is thrown upward with an initial speed of 19.6 m/s, from a height of 0.5 meters above the ground. 2.4 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 7.9 m/s from a height of 22.1 meters above the ground. The force of ...
February 2, 2014

math
cot^2(x)-1/1+cot^2(x)
November 20, 2013

Trigonometry
(1/(cscx+1))-(1/(cscx-1))
November 20, 2013

Trigonometry
simplify: tanx/secx+1
November 20, 2013

Trig
sin^2(34)+sin^2(48)+sin^2(56)+sin^2(42)
November 19, 2013

Trig
sqrt(100+(10cotx)^2)
November 19, 2013

Statistics
A credit manager has chosen a sample of size 2,164 to estimate the mean balance of credit accounts to within \$0.50. A pilot study of 50 accounts had a mean of \$1,219 and a variance of 100. The level of confidence of the interval is: 90% 95% 98% 99%
November 16, 2013

Hypothesis Test
that isn't one of the choices :/
November 16, 2013

Statistics
Thank you so much !
November 13, 2013

Statistics
\$9,531 to \$11,269 \$9,347 to \$11,453 \$10,028 to \$10,772 \$9,414 to \$11,386 Are my multiple choice
November 13, 2013

Statistics
That's what I originally did but it's not one of the correct answers
November 13, 2013

Statistics
A random sample of 50 students chosen from an elementary school with 400 students was found to have a mean allowance of \$26 per week with a standard deviation of \$8. Obtain a 98% confidence interval for the total amount of allowance money given to students in this school per ...
November 13, 2013

Stats
A company with two plants producing the same product, but with two slightly different manufacturing processes, conducted a sample study at each of the two plants with the following results: The sample statistics from the first group are: n = 40, x-bar = 18, s = 4.2. The sample...
November 13, 2013

Physics
A jetliner, travelling northward, is landing with a speed of 79 m/s. Once the jet touches down, it has 710 m of runway in which to reduce its speed to 7.4 m/s. Compute the the average accelaration (magnitude and direction) of the plane during landing.
September 20, 2013

Instructional materials, their preparation and use
Which of the following would you use to sort through slides for a slide or injection?
June 17, 2013

stats
Usin7) An employer polled its employers to see if they agree with the proposed new store hours and whether or not their present shift made a difference in their answers. The customers answered 1 for agree, 2 for don't know, and 3 for disagree. Nine first shift employees ...
June 15, 2013

Statistics
For questions 1-5, write the null and alternative hypothesis. 1. Does the water temperature have an effect on the number of people in the pool? 2. Does the weather have an effect on the number of people at the beach? 3. A fitness center is running a discounted membership fee. ...
May 3, 2013

Statistics
1. A study of 40 people found that they could do on the average15 pull ups with a standard deviation of .6. Find the 99% confidence interval for the mean of the population. 2. A study of 50 pizza delivery workers found that they could make 6 deliveries per hour with a standard...
May 3, 2013

statistics
2. Why is it important to know the mean and standard deviation for a data set when applying the empirical rule? 3. If we are focused on 68% of the normal distribution, what percentage of the distribution is left in the upper tail only? 4. What value separates the 50% of the ...
April 23, 2013

statistics
A study found that citizens spend on average \$1950 per year on groceries with a standard deviation of \$100. Assume that the variable is normally distributed. 5. Identify the population mean. 6. Identify the population standard deviation. 7. Find the probability that a sample ...
April 19, 2013

statistics
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2. Assume that the variable is normally distributed. 1. Identify the population mean. 2. Identify the population standard deviation. 3. Suppose a ...
April 15, 2013

Teaching techniques
Which learning technique is frequently used in the expository model of teaching?
April 14, 2013

Calculus
Find the second derivative of the function f(x)= t^2e^(-2t)
April 10, 2013

Calculus
Write the expression as the logarithm of a single quantity. ln 2 + 1/2 ln(x +1)-2 ln(1+ x^(1/2))
April 10, 2013

Calculus
Determine the function is concave upward and where it is concave downward f(x)= x / (x+1)
March 20, 2013

Calculus
Find the absolute maximum value and the absolute minimum value, f(x)= (x +1 )/ (x-1) on [2, 4]
March 20, 2013

Calculus
Find the absolute maximum value and the absolute minimum value, g(x)=1/8 x^2 - 4 x^(1/2) on [0, 9]
March 20, 2013

College Math
I need help solving these problems by using the substitution problem 2x-3y=16 5x+2y=21
March 20, 2013

Chemistry
Calculate the pH of the 0.20 M NH3/0.25 M NH4Cl buffer. I calculated the pH to be 9.15 What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 72.5 mL of the buffer?
March 19, 2013

Calculus
Find relative maxima and minima of g(x)= 2x^2+ 4000/x +10
March 6, 2013

calculus
Let f(x)=ax^3+6x^2+bx+4. Determine the constants a and b so that f has a relative minimu at x=-1 and a relative maximumat x=2.
March 6, 2013

6th math
a factory can produce 45 containers of yogurt in t minutes, 950 grams of fruit are used for every 25 containers of yogurt b) find in terms of t the time taken by the factory to produce 100 containers of yogurt c) if t=6 find the amount of fruit used in producing containers of ...
March 5, 2013

physical science
You are at a concert and you are located 91.2-m from the speakers. The frequency belting from the speakers are 291-Hz, if it takes 0.230-sec for the sound to reach your location what is the sounds wavelength?
February 28, 2013

physical science
You are at a concert and you are located 95.9-m from the speakers. The frequency belting from the speakers are 257-Hz, if it takes 0.503-sec for the sound to reach your location what is the sounds wavelength?
February 28, 2013

physical science
You are at a concert and you are located 97.5-m from the speakers. The frequency belting from the speakers are 216-Hz, if it takes 0.181-sec for the sound to reach your location what is the speed of sound in this facility?
February 28, 2013

Math
If Bob hikes 5/8 of a mile in 1/3 of an hour. How fast is going in miles per hour?
January 23, 2013

Biology
what two mutations cause a shift or after the sequence after the mutation?
December 18, 2012

Biology
do mutations occur in DNA or RNA? Explain
December 18, 2012

Biology
what is the difference between a gene mutation and a chromosomal mutation?
December 18, 2012

physics
)A block with mass m = 11.3 kg slides down an inclined plane of slope angle 43.4 ° with a constant velocity. It is then projected up the same plane with an initial speed 1.45 m/s. How far up the incline will the block move before coming to rest?
December 9, 2012

physics
)A block with mass m = 11.3 kg slides down an inclined plane of slope angle 43.4 ° with a constant velocity. It is then projected up the same plane with an initial speed 1.45 m/s. How far up the incline will the block move before coming to rest?
December 9, 2012

English
On an invitation, it says "Come celebrate at my pad!" and has a picture of a lilly pad on it. Is this an example of a pun?
September 20, 2012

math
dave has a rabbit, a ferret,a gerbil and a turtle. He feeds them in a different order each day. In how many different orders can dave feed his pets. Make an organized list to solve each problem. Write each answer in a complete sentence show work please
September 10, 2012

math
the end points of a line segment are A (-7, -1) and B (5,5) determine the equation of right bisector of AB show that the origin 0,0 lies on the right bisector of AB
August 18, 2012

Math
How do you find the high and low estimate for 29 x 73 and 615 X 25?
July 15, 2012

abnormal child psychology
someone who focuses narrowly on negative events for long periods of a time has. A-negative attitude. B-depressive manner. C-negative focus. D-depressive ruminative style.
May 3, 2012

trig
verify the identity algebraically- (5-5 cos x)(5+5 cos x)=25 (sin^x)
March 12, 2012

Chemistry University One
Is it possible for a calorimeter to have a high specific heat capacity, such as 2780J? I don't know if that is a reasonable answer.
February 1, 2012

Physics
fbzffb
December 19, 2011

trig
A force of 50 pounds acts on an object at an angle of 45°. A second force of 75 pounds acts on the object at an angle of -30°. Find the direction and magnitude of the resultant force.
December 14, 2011

geometry
For problems 7 and 8, find the magnitude and direction angle of the given vector. 7. <3, 4> A magnitude: 5; direction angle: 53.13° B magnitude: √ 5; direction angle: 53.13° C magnitude: √5; direction angle: 3.40° D magnitude: √5; direction ...
December 14, 2011

geometry
1. Initial point: (0, 0); Terminal point: (3, -4) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 2. Initial point: (3, 5); Terminal point: (-2, -1) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 In problems 3 and 4, let u = ...
December 7, 2011

geometry
In problems 1 and 2, the initial point and the terminal point of a vector are given. Write the vector in component form. 1. Initial point: (0, 0); Terminal point: (3, -4) A Lesson 13 B Lesson 13 C Lesson 13 D Lesson 13 E Lesson 13 F Lesson 13 2. Initial point: (3, 5); Terminal...
December 6, 2011

geometry
Two forces are pushing on an object, one at 12 lbs of Force and one at 5.66 lbs of Force. The angle between them is 35° (each is 72.5 from horizontal, such that the forces make a v with the object in the center). 17. What is the total Force on the object? 18. What is the ...
December 6, 2011

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