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Angel
Questions (977)
A piano emits frequencies that range from a
low of about 28 Hz to a high of about 4200 Hz. Find the maximum wavelength in air
1 answer
1,354 views
What is the free-fall acceleration in a location
where the period of a 0.594 m long pendulum is 1.55 s s? Answer in units of
8 answers
639 views
A manufacturer of a low-tar cigarette claims that their cigarettes contain an average of 16.3 mg of tar with a standard
0 answers
610 views
Solve this quadratic eqution: 6a^2 + 13a + 6=0
(^2 means squared...sorry for confusion...)
1 answer
373 views
A worker drives a 0.509 kg spike into a rail tie
with a 2.08 kg sledgehammer. The hammer hits the spike with a speed of 63.3 m/s.
1 answer
1,054 views
Creating a Budget
Various budget approaches play an important role in resource allocation in human service organizations. You are
0 answers
674 views
The specific heat of mercury is .03cal/g*C, and it's boiling point is 357*C. The specific heat of water is 1 cal/g*C. It takes
2 answers
809 views
The viscosity of a fluid is to be measured by a viscometer constructed of two 3-ft-long concentric cylinders. The inner diameter
1 answer
1,145 views
A 42.5 kg student runs down the sidewalk and
jumps with a horizontal speed of 4.16 m/s onto a stationary skateboard. The student
1 answer
905 views
A 1.46 × 10
4 kg railroad car moving at 7.05 m/s to the north collides with and sticks toanother railroad car of the same mass
0 answers
531 views
A 1500 kg car traveling at 17.6 m/s to the
south collides with a 5000 kg truck that is initially at rest at a stoplight. The car
5 answers
1,359 views
A 2.7 kg ball strikes a wall with a velocity of
7.6 m/s to the left. The ball bounces off with a velocity of 5.2 m/s to the
1 answer
565 views
What does a topographic PROFILE (NOT MAP) tell you about an area?
1 answer
384 views
how do i find the coordinates of the midpoint of a segment having given the endpoint?
K(-9,3),H(5,7)
1 answer
532 views
what is the Distance Fomula & midpoint formula?
2 answers
546 views
Could someone give me an example of a linear eqution using elimination to solve the systems of equations?
6 answers
736 views
Q (ft3/min) : 3.9, 7.9, 11.8, 15.7, 19.6, 23.6, 27.5, 31.4, 35.3, 39.3
Delta P (psi): 0.13, 0.52, 1.18, 2.09, 3.27, 4.71, 6.41,
3 answers
426 views
I'm not sure how to find a linear equation for this problem.
One common flow measurement device is the orifice meter, which
0 answers
520 views
What is the Range of Temperature of LukeWarm Water in Farenheit. Like 72 degrees to 89 degrees. Somewhat like that. please Help.
1 answer
485 views
The Design for a Mural is 16 in. Wide and 9 in High. What are the Dimensions of the largest possible complete mural that can be
3 answers
3,197 views
A 0.250 kg block on a vertical spring with a
spring constant of 4.09 × 10 3 N/m is pushed downward, compressing the spring
1 answer
622 views
A spring has a force constant of 546.5 N/m.
Find the potential energy stored in the spring when the spring is a) stretched 4.18
1 answer
3,113 views
When a rattlesnake strikes, its head accelerates from rest to a speed of 26 m/s in 0.3 s
seconds. Assume for simplicity that the
1 answer
2,175 views
A student, late for class, ran up some stairs
between landings. The landings are 8.2 m apart. The student has a mass of 54.1 kg
1 answer
1,433 views
Suppose that a simple pendulum consists of a small 71.8 g bob at the end of a cord of negligible mass. If the angle è between
0 answers
520 views
Please guide me in the right direction, am so confused with this problem.
A pendulum of length L is caused to swing by releasing
0 answers
462 views
A compound is found to have 56.4% potassium, 8.7% carbon, and 34.9% oxygen. What is the empirical formula?
2 answers
593 views
A compound is found to have 56.4% potassium, 8.7% carbon, and 34.9% oxygen. What is the empirical formula?
2 answers
1,257 views
If the area of a trapezoid is 209 square yards and the bases are 15 yards and 23 yards. What is the height of the trapezoid?
4 answers
670 views
I'm confused on this problem
A gaseous mixture inside a rigid steel vessel contains 75% CO2 and 25% H2O by volume at 175 degrees
1 answer
1,890 views
3P+(2-3P)>28
show work with answer please because I don't understand how to do this inequality.
2 answers
451 views
I seriously do not understand anything about this problem Please help.
The equation of an ellipse centered at the origin is
1 answer
1,299 views
In our text book the following equation is given:
P=(pm - p)g * R where P is the pressure drop R is the manometer reading pm is
0 answers
571 views
I was wondering I have 3 input boxes and with one of them I need the information put into this equation. What type of VBA CODE
0 answers
479 views
Am confused for this class am taking we had to design serval procedures that do different things: 6 procedures were sine,
1 answer
431 views
Use the definition of logarithm to simplify each expression.
log6b(6b) log8b((8b)^6) log12b((12b)^-11)
1 answer
496 views
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.8 x10^2 µm. Find this earthquake's
0 answers
505 views
After diving 92m below the sea level, the diver rises at a rate of 5 meters per minute for 7minutes. Where is the diver in
1 answer
929 views
Please answer these problem for me.Thanks so much.
1. Border's Bookstore ordered 800 art books. On verifying the order, only 160
9 answers
854 views
What is the Kelvin temperature for 30°C?
1 answer
518 views
Determine which law is appropriate for solving the following problem.
What volume will 1.56 liters of a gas at 27°C and 745 mmHg
1 answer
1,197 views
Our teacher wanted us to set up a command button that gives 3 input boxes on city, state, and zip code. Next we are suppose to
0 answers
630 views
The world's oldest recognized monarchy is found in _____.
a. Kush b. Egypt c. Nubia
6 answers
1,262 views
if anorexic people see theirselves as "fat" in the mirror, why do they still buy small sized clothing...?
5 answers
472 views
1. According to the phase diagram for water, how is the state of water determined?
a. proceed up a vertical line at any given
1 answer
3,881 views
1. According to the phase diagram for water, how is the state of water determined?
a. proceed up a vertical line at any given
0 answers
1,205 views
What major problem did the Roman Empire face in the mid to late Fourth Century?
A. Immigration and invasion B. Lack of Education
1 answer
1,100 views
Of the four river valleys that supported major early civilizations, which one lost one of it's major rivers?
A. Yellow River B.
1 answer
770 views
I have been on this problem for about 3 hours and I cannot solve it. My professor wanted us to make a command button with 3
0 answers
583 views
What is the Minoan civilization known for?
2 answers
586 views
I dentify the complete adj. clause.
1. Many Californians who own homes live on hillsides. A: Who own homes live on hillsides.
4 answers
1,447 views
I dentify the complete adj. clause.
1. This course deals with facts that everyone should know. 2. Many Californians who own homes
3 answers
979 views
You throw a ball horizontally off of a building with a horizontal velocity of 10 m/s. What is the ball’s horizontal velocity 5
2 answers
738 views
How many kilometers long is the proverbial “10-foot pole?”
1 answer
362 views
Solve for x. Don't do the work using algebra and don't use a calculator. The Laws of Logarithms will be helpful.
ln(x^2 - 1)= 3
0 answers
439 views
By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to
6 answers
12,865 views
I am having a hard time solving this problem. The formula given is:
T=Tin - (Tin - Tinit.)e(-v/v)t If the initial temperature
1 answer
615 views
What is the area of a rectangle with a length of 8 inches is 48 square inches. what is the perimeterof the rectangle?
2 answers
777 views
Assume that x and y are differentiable functions of t. Find dy/dt using the given values.
xy=x+4 for x=4, dx/dt=-5 a. 0.20 b.
2 answers
624 views
The area of a circle is changing at a rate of 2 in.^(2)/sec. At what rate is its radius changing when the radius is 9 in.?
a.
1 answer
538 views
Find (dy/dx) for the equation (7x+8y/9x-4y)=4.
a. (dy/dx)=(-29/24) b. (dy/dx)=(43/24) c. (dy/dx)=(29/24) d. (dy/dx)=(-43/24) e.
1 answer
514 views
The number of people who donated to a certain organization between 1975 and 1992 can be modeled by the equation
D(t)=-10.61t^(3)+
2 answers
948 views
A power station is on one side of a river that is 0.5 mile wide, and a factory is 5.00 miles downstream on the other side of the
3 answers
3,337 views
What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = –60?
1 answer
844 views
If the initial temperature is 115 F (46 degrees C), the cold water temperature is 1.7 (degrees C), and the volume and volumetric
2 answers
1,362 views
Put these in chronologica order according to their founding dates: U.S. Children's Bureau, FDA, National Park Service, American
2 answers
455 views
What is the pH of a solution in which 296 mL of HCl g, measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous
1 answer
475 views
What is the pH of a solution in which 296 mL of HCl measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
3 answers
420 views
A solar collector and its stand are in the shape of a right triangle. The collector is 5.00 m long, the upright leg is 2.00 m
1 answer
677 views
Explain how these laws intertwine:
Title VII of the Civil Rights Acct of 1964, Civil Rights 1991, Opportunity act 1972, Age
3 answers
502 views
Explain how the number of employees in the company affects the company's status if the company is not in compliance. Also
3 answers
524 views
A motorcyclist is trying to leap across a canyon by driving horizontally of the cliff that is 70.0 m high at 38.0 m/s. Ignoring
3 answers
4,814 views
A spherical piece of metal has a radius of .250m and a mass of 503 kg. what is its specific gravity?
2 answers
452 views
A satellite explodes in outer space, far from any other body, sending thousands of pieces in all directions. How does the linear
2 answers
3,637 views
Two identical cars have the same speed, one traveling east and one traveling west. Do the cars have the same momentum?
2 answers
2,870 views
Whats the force of attraction between a 15.0kg box and a 63.0kg person if they are 3.45 apart?
4 answers
823 views
A clear explanation of how smoking is a human factor that may cause ill health, accidents, crises or disaster?
0 answers
527 views
Ben takes 6hrs to get a job done & Ted takes 11hrs to get the same job done. If they work together how long will it take them?
1 answer
461 views
What does the scope of the graph refer to?
0 answers
367 views
two forces of 14and 30 act on a body forming an obtuse angle w/ eachother. if the resultant is 60, whats the angle betweeen the
1 answer
497 views
x^2+2x-15=0
solve by completing the square
1 answer
435 views
The table below shows the number of girls who ran certain distance.
-------------|---|----|---|----|----|--Distance(Km) | 5 | 10
1 answer
458 views
Human factors that cause ill health.accidents,crises/disaster and an appropriate way to deal with these
9 answers
1,329 views
Can an acidic solution be made less acidic by adding an acidic solution?
1 answer
558 views
If mass=100 tones, speed=8kn/s,height above ground=100km.
What is the mass in kg?
1 answer
472 views
We want an estimate of the mean time required for ships of a particular class to cross the Pacific Ocean from San Francisco to
1 answer
567 views
Why isn't the land surface of Earth flat after millions of years of erosion by mass wasting as well as by other erosional
0 answers
992 views
If you were building a house on a cliff, what would you look for to ensure that your house would not be destroyed through mass
0 answers
643 views
Describe the effect of shear strength on the following:
a.) slope angle b.) orientation of planes of weakness c.) water in soil
3 answers
921 views
If you were building a house on a cliff, what would you look for to ensure that your house would not be destroyed through mass
1 answer
499 views
please help.....i don't have my txt book with me an i need 2 kno everything bout Non-Vascular and Vascular plants....please
1 answer
464 views
hpw do water and dissolved materials move through non-vascular plants?
0 answers
452 views
The right rectangular prirm is the diagqam when x=7cm, y=5cm and z=1ocm
1 answer
349 views
i never can do word problems....please help... i got 7 of them.....these are word for word
1) Larry is 8 yrs older than his
1 answer
743 views
i never can do word problems....please help... i got 7 of them.....these are word for word
1) Larry is 8 yrs older than his
1 answer
697 views
Express the rate of the reaction 2C2H6 + 7O2 -> 4CO2 + 6H2O in terms of:
a. Delta [C2H6] b. Delta [CO2] Show work please
3 answers
1,702 views
this problem is difficutl for me i have an answer but im unsure so if someone could check my answer please. heres my problem:
A
1 answer
646 views
Replication is called "semi-conservative" because half of the orginal strand is? idk i been workin on the question 4 an hr!!
0 answers
386 views
The questions in this exercise are based on JetBlue Airways Corporation. To answer the questions, you will need to download
0 answers
667 views
6n2-19n+15=o
(the 2 is an exponent) idk how 2 do it the teacher told us how but didn't show us plz help
4 answers
577 views
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