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Jacob
Questions and answers by visitors named
Jacob
, page 2
Questions (556)
A box is pulled across a horizontal surface at a constant speed by a horizontal rope with tension T=30N. The coefficient of
2 answers
698 views
Wong is standing on a turntable in class holding a weight in each hand a distance .75 meters from the center of his body. He is
3 answers
447 views
A uniform thin sheet of metal is cut in the shape of a semicircle of radius R and lies in the xy plane with its center at the
4 answers
1,456 views
What is the area and perimeter of a quadrilateral that has a width of 4m and length of 14m
2 answers
513 views
does a raw score less than the mean correspond to a positive or negative score? what about a raw score greater than the mean.
2 answers
828 views
What are the values of the mean and standard deviation of a normal standard deviation
2 answers
957 views
fawnsbetween one and five months old have a approx body weight of u=27.2 kilograms and a standard deviation of o= 4.3 kilograms
1 answer
481 views
how to sketch the areas under the standard normal curveover the indicated intervals and find the specified areas
to the left z=0
2 answers
592 views
A football team’s coach predicts that his team will win 9 out of 10, or 90%, of its games. Which method did he most likely use
1 answer
839 views
A football team’s coach predicts that his team will win 9 out of 10, or 90%, of its games. Which method did he most likely use
3 answers
922 views
You draw two cards from a standard deck of 52 cards and replace the first one before drawing the second. Find the probability of
4 answers
2,203 views
How many sequences contain exactly three heads when you flip a coin five times?
2 15 10 8 12 my answer was 15 ,but that was
1 answer
460 views
Richard has been given a 5-question multiple-choice quiz in his history class. Each question has four answers, of which only one
3 answers
1,468 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
2 answers
705 views
Which of the following can be classified as Discrete and Quantitative data.
The acceleration of your car as you drive to school.
3 answers
2,312 views
Can a frequency distribution have overlapping classes?
Sometimes No Yes Can't determine. I need more information
2 answers
1,008 views
I am having trouble understanding standard normal distribution such as if p(z<-0.13) the answer to that was 0.4483 but not
1 answer
486 views
Can a frequency distribution have overlapping classes?
Sometimes No Yes Can't determine. I need more information
1 answer
1,110 views
Which of the following can be classified as Discrete and Quantitative data.
The acceleration of your car as you drive to school.
1 answer
607 views
Which of the following can be classified as Discrete and Quantitative data.
The acceleration of your car as you drive to school.
1 answer
839 views
Can a frequency distribution have overlapping classes?
Sometimes No Yes Can't determine. I need more information my answer is
2 answers
586 views
I am having trouble understanding standard normal distribution such as if p(z<-0.13) the answer to that was 0.4483 but not
1 answer
447 views
In a random sample of 508 judges, it was found that 281 were introverts. Let p represent the proportion of all judges who are
5 answers
691 views
Suppose a certain species bird has an average weight ofx=3.55 grams. Based on previous studies, we can assume that the weights
2 answers
650 views
I am having trouble understanding standard normal distribution such as if p(z<-0.13) the answer to that was 0.4483 but not
2 answers
502 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
1 answer
1,076 views
Suppose I am using the t-distribution to estimate or test the mean of a sample from a single population. If the sample size is
4 answers
3,993 views
. A certain company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of
2 answers
1,181 views
Suppose that x has a distribution with = 10 and = 5. If a random sample is taken of size n = 44, find .
10.00 my answer was 0.75
1 answer
463 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
2 answers
562 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
1 answer
846 views
What is meant by the 95% confidence interval of the mean ?
That 95% of my sample is OK to do more tests. That I am 95% confident
3 answers
1,271 views
. As the sample size increases
The confidence interval also increases (gets larger) The confidence interval decreases (gets
2 answers
1,125 views
. Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty.
2 answers
847 views
Assume that about 45% of all U.S. adults try to pad their insurance claims. Suppose that you are the director of an insurance
1 answer
463 views
Assume that about 45% of all U.S. adults try to pad their insurance claims. Suppose that you are the director of an insurance
2 answers
543 views
Assume that about 45% of all U.S. adults try to pad their insurance claims. Suppose that you are the director of an insurance
3 answers
1,879 views
A 16-ft ladder is sliding down a wall as shown in the figures below. The variable h is the height of the ladder's top at time t,
3 answers
1,022 views
how do you find the fractional notation for the ratio of 54.28 to 89.69
1 answer
334 views
How does Anne use imagery to describe
both the environment of her hiding place and the people in it?
1 answer
460 views
Kate cut a 100-foot rope into two pieces. One piece was 5 feet longer than 4 times the length of the other. Find the length of
6 answers
1,036 views
How did the Confederation Congress attempt to colve the problem of staus of western territory that the states had ceded to it?
5 answers
510 views
pythagorean theorema=13 b=9 c=?
3 answers
280 views
Yes or no. To have a favorable balance of trade, a country must sell fewer goods to other countries than it buys from other
3 answers
567 views
Find:
Re[1/(2+j)] Im[2+j/(3+4j)]
4 answers
328 views
The drawing shows an elastic cord attatched to two back teeth and stretched across a front tooth. The purpose of the arrangement
2 answers
995 views
What is 87 to the power of 8?
1 answer
268 views
how would one do this problem..
2y^-3 = 4e^(-x/2)/(1+e(-x/2))
1 answer
253 views
Use the product rule to calculate the derivative.
dh dx x = 4 , h (x) = (x^(-1/2) + 7x)(9 - x^-1) very weird.. i know how to do
2 answers
534 views
2y^-3 = 4e^(-x/2)/(1+e(-x/2))
my teacher gave this problem in my chem class and i don't know what he is really asking , does any
1 answer
400 views
Around the time of the roman empire the terms inch, foot, and yard were refine. what was the length of a foot based on?
4 answers
585 views
Why does molarity depend on temperature?
1 answer
272 views
use the distbutive property to rewrite the expression as a product.
6+18y+24
1 answer
164 views
What is the answer to 7(d+5d) - 16d
4 answers
309 views
Can someone explain to me how this question has the answer like this
Points:(2,3) y=-2f[2(x+5)] - 4 The answers are (2, 3) ( 2,
1 answer
408 views
1. Find the slope of the line through the pair of points.
(-1/3,0) and (-1/2,-1/2) Choices: -3 1/3 -1/3 3 2. Write in standard
1 answer
659 views
1. Find the slope of the line through the pair of points.
(-1/3,0) and (-1/2,-1/2) Choices: -3 1/3 -1/3 3 2. Write in standard
5 answers
979 views
A circular garden has an area of 25π m2
If the . radius is increased by two meters, and fencing is sold only in one meter
4 answers
580 views
two point masses are located in the same plane. the distance from mass 1 to the center of mass is 3.0m. The distance from mass 2
4 answers
920 views
A cylindrical bottle of oil-and-vinegar salad dressing whose volume is 1/3 vinegar (p=1.01 g/cm^3) and 2/3 oil (p=.910 g/cm^3)
3 answers
757 views
Constract a heating/cooling curve from an MSDS, draw multistep energy bar charts that correspond to the curve, and calculate the
3 answers
512 views
I'm on a test..don't get me wrong physics is hard. Ha. A 10 kg sled is pulled horizontally by a force. If the coefficient of
2 answers
557 views
The rule (x,3/4y) is applied to a polygon. The given point is on the original polygon. Find the image of the point (6,8)
3 answers
612 views
The gravitational force of any object near Earth is _____?
A unknown B friction C Newton's First Law D 9,8m/s2 When you walk
4 answers
737 views
the rul (x,3/4y) is applied to a polygon. Is the image similar to the original polygon?
2 answers
558 views
Words to use:
Accelerate - Sliding - Brake - Friction - Slipping - Inertia Velocity - Wheel - Strength - Static - Terminal
2 answers
744 views
If I'm driving a car and I make a turn to the right, what will happen to a bag of items that is sitting next to me in the car-in
1 answer
279 views
If I'm driving a car and I make a turn to the right, what will happen to a bag of items that is sitting next to me in the car-in
1 answer
366 views
SAT scores are normally distributed with a mean of 1518 and a standard deviation of 325. What scores correspond to P20 and P65?
4 answers
1,408 views
I need a creative title for a lab report that deals with using dalton's partial pressure law in order to determine the amount of
2 answers
764 views
A body falls from rest for 5seconds calculate its velocity-time graph of its motion (from t= 0s to t=5s)
1 answer
372 views
A child drops a coin from the window of a house.it strikes the ground 0,8 s later.what is the magnitude and direction of the
1 answer
331 views
What is 7 1/4 minus 3 3/8?
4 answers
353 views
Where can I find examples of the sentence pattern Pronoun-verb-article-noun, conjunction-pronoun-verb-adverb on the internet?
I
7 answers
508 views
Transform the formula. The area of a triangle A can be found with the formula A=1/2bh where b is the length of the base of the
2 answers
699 views
You push a 1.9 kg block against a horizontal spring, compressing the spring by 13 cm. Then you release the block, and the spring
1 answer
636 views
How many distinct permutations of the letters of the word OTTAWA being and end with the letter T?
I did 6!/2! :S but i get 360. I
3 answers
1,049 views
Find the probability of:
a) Rolling a three OR a six with a single die Answer: P(3 U 6)= n(3U6)/n(S) = 3+6/6 = 9/6 reduced: 3/ b)
13 answers
988 views
I was assigned an ISU for Data management. In first part, it requires a thesis (Example: Why do teenagers pay so much for car
4 answers
452 views
Laura has a roll of ribbon. There are 20 yards of ribbon on the roll. What equation can Laura use to find the number of inches
4 answers
456 views
What is the difference between a linear and a quadratic model?
How do I know which one is good for the graph? :S I know it has to
1 answer
410 views
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball
1 answer
829 views
How do you know how many units are spread between the intervals? (For instance, 120-129, 130-139, units spread by 10)
How would
1 answer
418 views
how do you solve:
m=a+b/2
3 answers
226 views
A space station consists of two donut-shaped living chambers, A and B, that have the radii shown in the drawing. As the station
4 answers
2,053 views
Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked
1 answer
449 views
Of the first graders who were asked, 1/6 like math best, 2/3 liked reading best, and 12 liked science best. How many were asked
2 answers
516 views
Sam invested $1950 part of it at 6% and the rest at 8% yearly interest. The yearly income on the 8% invest was 6$ more then
4 answers
1,462 views
X+y+z=2200
1 answer
251 views
Melinda invested three times as much money at 9% yearly interest as she did at 7%. her total yearly interest from the two
1 answer
440 views
Part $30000 is invested at 6% another part at 7%
and the remainder at 8% yearly interest the total yearly income from the 3
1 answer
800 views
Math.. find limit help?
Find the given limit. (x→ 1)lim: (square root x-1) + 1
1 answer
350 views
Pauline sells computers on commission. She spends 2 hours on
selling a laptop and 1 hour on selling a desktop computer. She works
2 answers
889 views
Use the multiple regression equation to predict a persons salary. Assume that the variable A is the number of years of college.
3 answers
480 views
What Indian tribe helped Lewis and Clark build a canoe?
1 answer
418 views
Poem "A Voice," By Pat Mora
How do you interpret the speaker's statement that her mother's breath "moves through the family like
5 answers
865 views
Which word from the choices below is described the poem that follows?
We start escaping this when we Sing "A-B-C-D-E-F-G." That
1 answer
399 views
A sample of nitrogen gas at 298 K and 745 torr has a volume of 37.42 L. What volume will it occupy if the
pressure is increased
4 answers
2,647 views
Find the equation of the non-vertical asymptote. What is the smallest value of x at which f(x) intersects its?
-6x^3 + 2x^2 - 9x
3 answers
663 views
Use formulas to find the lateral area and surface area of the given prism. The base of the prism is the rectangle with sides of
3 answers
3,191 views
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