Questions LLC
Login
or
Sign Up
Ask a New Question
Katie
Questions and answers by
Katie
, page 9
Questions (1,184)
30 randomly selected cans of Coke are measured for the amount of cola in ounces. The sample values have a mean of 12.18 ounces
2 answers
696 views
The number of gallons needed of paint needed to cover a wall varies directly with the area of the wall. The Robertsons find that
4 answers
1,096 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
1 answer
482 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
2 answers
600 views
According to a study by the Centers for Disease Control, the national mean hospital stay after childbirth is 2.1 days. Reviewing
2 answers
523 views
Hoping to lure more shoppers downtown, a city builds a new parking garage in the central business district. The city hopes that
2 answers
1,045 views
Hoping to lure more shoppers downtown, a city builds a new parking garage in the central business district. The city hopes that
2 answers
625 views
To plan the budget for next year a college needs to estimate what impact current economic downturn might have on student
4 answers
2,685 views
The U.S. Department of Labor and Statistics released the current unemployment rate of 5.3% for the month in the U.S. and claims
3 answers
1,554 views
The monthly incomes from a random sample of workers in a factory are shown
below. Monthly Income (In $1,000) 4.0 5.0 7.0 4.0 6.0
3 answers
2,288 views
You are given the following information obtained from a random sample of 6
observations. Assume the population has a normal
3 answers
1,820 views
Do I use the Foil method to find the product of (9-3i)(9+4i)?
3 answers
387 views
To do inferential procedures comparing two proportions, we need another variance formula (our ruler). This formula is based on
1 answer
827 views
A survey was conducted to determine if there is a difference in gasoline mileage for two types of trucks, truck A and truck B. A
1 answer
476 views
Use graphical sensitivity analysis to determine the range of demand probabilities for which each of the decision alternatives
2 answers
1,152 views
Many dairy cows now receive injections of BST, a hormone intended to spur greater milk production. A group of 53 Jersey cows
1 answer
539 views
square root to nearset integer
125 11 200 14 -47 -6
7 answers
281 views
For each of the following measurements state the number of significant digits:
A length of 2.3 meters A volume of 0.65 liters A
1 answer
349 views
Name the property that is demonstrated by the example.
1. (2x)^3=2^3*x^3=8x^3 I am not sure what to put
2 answers
508 views
A laptop that originally cost $1,200 is on sale for $950. Find the discount rate.
3 answers
629 views
A recipe for a fruit shake calls for 5 parts milk, 3 parts banana puree, and 2 parts strawberry juice. Find the quantity of each
2 answers
865 views
In a game played with 50 letter tiles, 21 of the tiles are vowels. If a tile is drawn at random, what is the probability that it
3 answers
507 views
Angela scored in the 90th percentile of her class math test. If 27 students scored the same as or lower than she did, how many
3 answers
1,060 views
The innerspring mattress on your grand- mother’s bed is held up by 23 vertical springs, each having a spring constant of 6000
3 answers
526 views
Mutiple choice:
A car travelling at 10 m/s accelerates at 3 m/s^2. Its new velocity is A.) 12 m/s B.) 22m/s C.) 17 m/s D.) Can
2 answers
748 views
Consider the following reaction:
CH3X + Y CH3Y + X At 25oC, the following two experiments were run, yielding the following
2 answers
823 views
1- A compound is 87.5% nitrogen and 12.5% hydrogen. The molecular weight of the compound is 32 g/mol. Describe the molecule
2 answers
1,404 views
Help Please
Write a function rule that represents each sentence. 1. 11 less than the product of a number y and -2 is z. 2. 5 less
4 answers
1,061 views
Find the range of each function for the given domain.
1. f(x) = -2x + 1; {-6, -2, 0} 2. f(x) = x3 + 1; {-2, -1, 3}
2 answers
501 views
Part 1: When writing linear equations, how do you determine which form of a line to use?
Part 2: Choose 1 set of points from the
2 answers
693 views
For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
X 52 = 32 = 20 =
4 answers
2,200 views
Write the equation of the line in slope intercept form:
(4, 7); m = -3/8
3 answers
1,010 views
Write the equation of the line in standard form:
(-3, 6); m = 1/2 (1, 0) & (-5, 3) Write the equation of the line perpendicular
1 answer
472 views
A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5-meter peak of the house.
How much energy was
1 answer
411 views
A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5-meter peak of the house.
How much energy was
5 answers
492 views
A florist had an equal number of red and yellow tulips. She sold 624 red tulips. Then she had 4 times as many yellow tulips as
4 answers
1,471 views
What is the radius in nm of the electron orbit of a hydrogen atom for n=3?
What is the radius in nm of the electron orbit of a
4 answers
1,894 views
Jena wants to paint the walls in her square shaped bedroom. each wall has an area of 130 sq ft. if one quart of paint covers 150
4 answers
715 views
A particular MP3 encoder can convert 79.0 kilobytes (kb) of music per second from a typical music CD. How many minutes will it
3 answers
2,287 views
An office heater puts out 2070 Btus (British thermal units) of energy in the form of heat per hour. Given that 1 Btu = 1.055 kJ,
4 answers
2,260 views
The FDA recommends that women who are pregnant avoid eating more than three 6.00-oz servings of bluefish per month because of
6 answers
8,833 views
If the frequency of a transducer is 5MHz, what is the period?
4 answers
663 views
If the period of a transducer is 0.83msec, what is the HZ?
4 answers
359 views
If an ultrasound beam at the focal zone has a power of 0.050 watts and the area at this focal zone is 4cm^2, what is the
3 answers
398 views
What is the wavelength of a 4MHz transducer?
3 answers
648 views
what is the propagation speed of a 5MHz transducer?
1 answer
372 views
The pulse duration of the transducer is 0.6 microseconds. The frequency of the transducer is 8MHz. How many cycles are contained
1 answer
476 views
The wavelength of a pulse is 0.1925mm. There are 5 cycles in the pulse. What is the spatial pulse length?
2 answers
536 views
What resource whether its online etc can LGBT community support, how can they get help?
Thanks!
1 answer
456 views
how well did Tennessee deal with the four issues of Reconstruction; the status of its former Confederates, the restoration of
5 answers
445 views
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 7.00
2 answers
646 views
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a
1 answer
478 views
How many grams of AL(NO3)3 are produced when 23.5 grams of Aluminum react with 133 mL of 6.5M HCL?
1 answer
403 views
name the ions: Ag+ and P-3... and it's not silver..
6 answers
547 views
A box contains only quarters and dimes. If there 10% more quarters, the total value of the money in the box would increase by
5 answers
804 views
Mrs. Marcincavage allowed each student in her math class to drop the lowest of their five test scores. When Matthew dropped the
2 answers
542 views
A box contains only quarters and dimes. If there 10% more quarters, the total value of the money in the box would increase by
2 answers
851 views
A student has 600.0 mL of a 0.30M solution of HNO3. How much water must she add in order to make it a 0.15 M solution? Be
3 answers
608 views
A kite that is 7 feet tall casts a shadow that is 4 feet long. How long would the shadow be if a kite is only 4 feet tall?
1 answer
385 views
what is the mass in grams of one molecule of water?
1 answer
377 views
What is the mass in grams of one Mole of water?
1 answer
376 views
what is the mass in grams of one molecule of water... and is this one different from what is the mass in grans of one mole of
1 answer
362 views
As we analyze Western thought vs. Eastern thought, we also should take a look at the application of each school of thought is
6 answers
430 views
a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over
2 answers
1,252 views
modern oil tankers weigh more than a half-million tons and have lengths of up to one-fourth mile. Such massive ships require a
7 answers
4,728 views
a car travels on a straight road.
a) starting from rest, the car is going 44 ft/s (30 mi/h) at the end of 5.0 s. What is the
4 answers
1,790 views
a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.5 s?
7 answers
8,114 views
a student drops an object out the window of the top floor of a high-rise dormitory
a) neglecting air resistance, how fast is the
7 answers
4,029 views
The presence of ammonia in a solution of AgCl will decrease the solubility of AgCl.
True Or False
4 answers
1,084 views
For a reaction that has an equilibrium constant of 9 × 10–9, which of the following statements must be true?
A) ∆G° is
2 answers
687 views
Based on the mechanisms that you have determined and the information in the introduction, what is the product of 1-cholorobutane
1 answer
438 views
A jar of coins has only nickels and quarters, which are worth a total of $3.25. There are 5 fewer quarters than nickels. How
2 answers
533 views
Jorge finds that his standardized z score on an IQ is 2.0. What percentage of people did he score higher than?
a. 98 b. 96 c. 68
2 answers
507 views
Which of the following percentiles corresponds to the area beneath the standard normal curve from a z score of-3.00 to + 3.00?
a.
1 answer
377 views
It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher
2 answers
632 views
It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher
2 answers
550 views
The EPA city/hwy mpg range for a Saturn Vue FWD automatic 5-speed transmission is 20 to 28 mpg. If you owned this vehicle, how
1 answer
807 views
a. What sample size would be needed to estimate the true proportion of students at your college who are wearing backpacks, with
1 answer
449 views
Twenty-five blood samples were selected by taking every seventh blood sample from racks holding 187 blood samples from the
1 answer
1,150 views
George has 25 marbles. he wants to divide them into two amounts hat show a ratio of 2:3 how many marbles are in each group?
3 answers
352 views
Given:
Al3+(aq) + 3e– --> Al(s); E° = –1.66 V I2(s) + 2e– --> 2I–(aq); E° = 0.54 V What is ∆G° for the following
3 answers
1,241 views
A car rental agency has rental and return facilities at both Dallas and Austin Airports. Assume that a car rented at either
2 answers
596 views
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium
3 answers
1,079 views
2. The polar coordinates of a point are given. Find the rectangular coordinates of each point.
a. (5,(π / 4)) b. (-2,(π / 6))
2 answers
1,155 views
What is the period, in seconds, of a simple pendulum of length 3 meters?
Use the gravitational constant g = 9.8 m/s2 and round
7 answers
4,249 views
a 15 foot ladder is leaning against a house with the base of the ladder 4 feet from the house. How high up the house does the
5 answers
1,902 views
ABCD is a rhombus with diagonals Imported Asset and Imported Asset . Is angle ABD congruent to angle CBD?
2 answers
642 views
the temperature at noon in los angeles on a summer day was 88 degrees fahrenheit. during the day, the temperature varies from
4 answers
2,604 views
You want to use a rope to pull a 12-kg box of books up a plane inclined 30∘ above the horizontal. The coefficient of kinetic
4 answers
7,614 views
A car accelerates from rest at 5 m/s2 for 5 seconds. It moves with a constant velocity for some time, and then decelerates at 5
3 answers
1,665 views
The Murphy family just drove 300 miles to visit their grandparents. Mr. Murphy drove
70 mph for 65% of the trip and 35 mph or
2 answers
682 views
A figure skater is spinning at a rate of 1.1 rev/s with her arms outstretched. She then draws her arms in to her chest, reducing
2 answers
737 views
Rewrite the over coordinated sentences that follow, changing clauses into phrases or into single words. where appropriate, break
4 answers
555 views
I'm having trouble understanding Boyle's Law and Dalton's law of partial pressures. Can anyone help me work this please? Thank
2 answers
573 views
if f(x) = 2x^2+4 and g(x)=x-3 which number satisfies f(x)= (f o g)(x)
A) 3/2 B) 3/4 C) 5 D) 4 I am positive that answer A is
4 answers
1,957 views
A particle moves along line segments from the origin to the points (3, 0, 0), (3, 3, 1), (0, 3, 1), and back to the origin under
2 answers
1,195 views
If a student submerges a stopper with a volume of 6.1mL into a cylinder of thick syrup, what will happen to the syrup?
5 answers
465 views
A mover is pushing a crate across the floor. He exerts a force of 500 Newtons and pushes the crate a distance of 5 Meters. How
2 answers
574 views
Determine the magnitude of the gravitational force Mars would exert on man if he was on the surface of Mars. The mass of the man
3 answers
1,440 views
Invisible braces cost $500 more than metal braces. Metal braces cost $4,800. How muchdo invisibles braces cost?
2 answers
501 views
Pages
1
2
3
4
5
6
7
8
9
10