Questions LLC
Login
or
Sign Up
Ask a New Question
Ali
Questions and answers by
Ali
, page 2
Questions (480)
It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. Random sample of 10 automobile
1 answer
1,081 views
A certain geneticist is interested in the proportion of males and females in the population that have a certain minor blood
1 answer
861 views
When magnesium is burnt completely in air the totol mass of the product was found to be grater than the original mass of the
1 answer
449 views
How is the historical event of the 1981 Springbok Tour is, or was, of significance to New Zealanders.
1 answer
404 views
What is the primary focus on all biological studies?
2 answers
876 views
A space shuttle 200 miles above the earth is orbiting the. Earth once every 6 hours. how far does the shuttle travel in one
5 answers
6,198 views
Steel expands 1 part in 100 000 for each 1°C increase in temperature. If the 1.5km main span of steel suspension bridge had no
3 answers
1,399 views
lim (9x^4+2x+1)^1/2/(3x^2+1)
as x->-infinity
1 answer
443 views
as a baseball player strikes the ball with his batt the 1kg bat applies an average force of 250N on the .15kg baseball for .2
3 answers
1,443 views
A 4kg block is sitting on the floor.
(a) How much potential energy does it have? (b) How much kinetic energy does it have? (c)
3 answers
846 views
reading titles and headings,and trying to get an overview of what lies ahead in reading passageis called
2 answers
564 views
How much work does it take to raise a 3kg object 5m into the air?
(a) What is the potential energy of the object when it is 5m in
1 answer
493 views
Susie has a budget of $92 to spend on clothes. The shorts she wants to buy are on sale for $14 each. The shirts are on sale for
3 answers
801 views
Sam, whose mass is 72.0 kg, takes off down a 51.0 m high, 11.0^\circ slope on his jet-powered skis. The skis have a thrust of
1 answer
774 views
1. The csc^-1(1.23)
I got 1.061 in radian mode 2. Cot^-1(-2.26) I got 0.8240 in radians 3. Cos^-1(-0.84) I got 2.568 Are these
2 answers
499 views
Differentiate the function.
h(x)= ln(x+ sqrt(x^2 -4))
3 answers
793 views
Trying to figure out how to do problems like these. So confused!
1. The receivables turnover for 2009 is 10 times. 2. All sales
2 answers
580 views
Was Daniel Bernoulli for the atomic theory or against it and explain why?
4 answers
496 views
How did the use of advanced technology make World War II the most devastating war in history?
4 answers
487 views
What are the advantages of study reading?
1 answer
300 views
Explain the SQR3 OF READING.
1 answer
362 views
"Out of spite, the human being pretended not to believe that it was Snowball who had destroyed the windmill…The animals knew
7 answers
596 views
A stone is launched straight up by a slingshot. Its initial speed is 20.1 m/s and the stone is 1.30 m above the ground when
3 answers
2,215 views
what is the scientific notation of 1,890,000
2 answers
520 views
3rd grade create an algorithm that has a difference of 20
5 answers
279 views
I need help on where to begin with this problem.
You are installing a new deck around your pool. The pool is rectangular with the
2 answers
516 views
You are planning to plant a garden in your backyard. The garden will have a rectangular shape with dimensions 10ft by 6ft.
2 answers
1,714 views
How would i go about balancing the following equation? My teacher said something about the charges:
Silver Nitrate + Sodium
1 answer
342 views
if cot(x-10)=tan(4x) what does x equal?
2 answers
718 views
Which of the following are three common characteristics of echinoderms?
A tube feet, circulatory system, body symmetry B
2 answers
1,061 views
Suppose an enzyme lowers the activation energy by an order of magnitude.
What is the ratio of catalyzed rate to the uncatalyzed
1 answer
490 views
KMno4+NaHso3
2 answers
624 views
1.) What are the equilibrium partial pressures of CO and CO2 if co is the gas present initially, at a partial pressure of .912
4 answers
1,325 views
if someone is infected with the common cold virus, which type of nonspecific immune response would attempt to deal with the
1 answer
1,128 views
Southwest Asia can best be characterized as
A) an area with few resources. B) a desert with an arid and semiarid climate. C) a
2 answers
950 views
In the following experiment, a coffee-cup calorimeter containing 100 \rm mL of \rm H_2O is used. The initial temperature of the
3 answers
1,019 views
11+2*(6+11)
4 answers
191 views
At 3 P.M, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h. How fast is
1 answer
819 views
Two ships leave the same port at noon. Ship A sails north at 22 mph, and ship B sails east at 12 mph. How fast is the distance
5 answers
8,554 views
At noon, ship A is 50 miles north of ship B and is headed south at 16mph. Ship B is headed west at 12 mph. At what time are they
1 answer
488 views
I have a positive attitude, even with boring tasks, I still get the job done./or I never complain.
How can I phrase this into a
1 answer
403 views
The girls' high school basketball team played 12 games. They won 6 more games than they lost. Find the number of games the
3 answers
805 views
If √x+√y=10 and y(16)=36, find y'(16) by implicit differentiation.
If somebody could please help me by explaining how to
4 answers
7,389 views
Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1)
Help please? Thanks in advance
1 answer
329 views
Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1)
Help please? Thanks in advance
2 answers
477 views
The demand function for a certain brand of blank digital camcorder tapes is given by
p=−0.02x^2−0.1x+24 where p is the
1 answer
686 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
y=3x^2, x=1,
2 answers
923 views
Find the volume of the solid formed by rotating the region enclosed by
x=0 x=1 y=0 y=4+x^5
1 answer
467 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.
y=x^2 y=0 x=3
1 answer
396 views
The demand function for a certain brand of blank digital camcorder tapes is given by
p=−0.02x^2−0.1x+24 where p is the
1 answer
982 views
1. Which molecule is the major contributor to the increase in mass observed in a full grown plant (i.e. tree) compared to a
1 answer
373 views
Determine how many calories are need to heat 30 grams of water from 10 degrees C to 30 degrees C
4 answers
902 views
4 famous poet during Spain golden age ?
1 answer
434 views
A boat's crew rowed 10.5 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current,
2 answers
1,011 views
120 people are given a survey about which television shows they watch.
ABC=55 NBC=30 CBS=40 ABC and CBS=10 ABC and NBC=12 NBC and
1 answer
1,156 views
How many moles is 158.5 grams of CaCl2
1 answer
394 views
3PbO + 2NH3 ---> 3Pb + N2 + 3H2O
Based on the above balanced equation, If given 12.6 moles of NH3, how many moles of lead (Pb)
1 answer
944 views
What is the osmotic pressure in torr of a 0.0155 M glucose solution at body temperature ( 35.7 °C)? What are the boiling and
2 answers
478 views
52*10E-10Kg
1 answer
253 views
5kg rock is dropped into a well and a splash is heard after 3 seconds , how deep is the well? Ignore air resistance
1 answer
458 views
A particle travels along the curve c(t) = (6t^3-6, 7t^2-4). If time t is measured in seconds and if the coordinates are measured
1 answer
428 views
Calculate the length of the path over the given interval: (sin6t, cos6t), 0<t<pi
1 answer
356 views
Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5
1 answer
486 views
Use a formula for slope of a line tangent to a parametric curve to find dy/dx for the curve c(s) = (s^(-1)-6s, -7s^3) at the
1 answer
477 views
Calculate the length of the path over the given interval: c(t) = (3t^2, 4t^3), 2<t<5
2 answers
1,261 views
Calculate the length of the path over the given interval: (sin6t, cos6t), 0<t<pi
3 answers
760 views
A particle travels along the curve c(t) = (6t^3-6, 7t^2-4). If time t is measured in seconds and if the coordinates are measured
2 answers
492 views
Identification of an unknown powdered metal by reaction with HCl:
Why does the pH of the HCl solution initially increase very
4 answers
1,359 views
Emission Analysis of Aqueous Solutions of Groups IA and IIA Metal Salts
A student records two potassium emission spectra: 1) one
3 answers
584 views
Solutions of potassium carbonate, copper(II) chloride, and lead(II) nitrate are each added to a beaker. Will any compound(s)
6 answers
3,622 views
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold
3 answers
474 views
Central middle school sold 50 tickets for one night at the school play. Student tickets sold for 2$ each and adult tickets sold
1 answer
486 views
a large nuclear power plant generates electric energy at the rate of 1000 MW. how many joules of electricity does the plant
2 answers
828 views
Why is the solubility of butane 6.1 mg / 100 g water, yet hexane is immiscible in water?
3 answers
1,045 views
T1/2(Ra-226) = 1602 years
What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity
1 answer
432 views
A solution is prepared by placing 27.8 g of KCl in a 0.700 L volumetric flask and adding water to dissolve the solid, then
3 answers
661 views
A 96.0-g wooden block is initially at rest on a rough horizontal surface when a 11.4-g bullet is fired horizontally into (but
2 answers
593 views
If the speed of the cart at the first photogate is 2.3 m/s, and the speed of the cart at the first photogate is 1.8 m/s, what is
4 answers
927 views
I am thrown off by this question because they don't give a molecule to work with. Also i don't know how i would work the acid...
1 answer
454 views
how should the ph of a 0.1 m solution of nac2h3o2 compared with that of a 0.1 m solution of kc2h3o2?
4 answers
3,516 views
A 77 kg window cleaner uses a 13 kg ladder that is 7.1 m long. He places one end on the ground 3.8 m from a wall, rests the
2 answers
588 views
A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your
6 answers
4,045 views
a.) which of the following reactions should have the larger emf under standard conditions & why?
CuSO4 (aq) + Pb (s) goes to
3 answers
2,747 views
Calculate the molar it of a solution that contains 5.4 get of sodium sulfate dissolved in enough water to make 3.5 L of solution
1 answer
467 views
A ball with a mass of 12 g is moving at 15 m/s. It collides with a second ball with a mass of 36 g moving at 5 m/s in the same
4 answers
2,041 views
Suppose you are an astronaut spacewalking outside your spacecraft to repair a broken part. In fixing the part, you have drifted
4 answers
1,987 views
Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 8. Which event has the same
4 answers
1,308 views
inding vertex and focus of parabola y^2 +4y +8x - 12 =0
2 answers
546 views
calculate the volume of 2.04 m al l oh 3 needed to neutralize 22.0 ml of 880m h2so4
1 answer
336 views
Discuss your opinions and ideas about three different popular political issues. Include how you think things should be and what
6 answers
526 views
What is meant by 0.2mol (12g) of glacial acetic acid how can we make ?
3 answers
463 views
Radioactive nuclei are produced in an irradiated sample at the rate of 10 s-1. If the number in the sample builds up to a
4 answers
1,098 views
116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the
1 answer
331 views
116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the
1 answer
359 views
116In nuclei are produced at the rate of 10 s-1. Calculate the maximum number of 116In nuclei (number in equilibrium) in the
4 answers
346 views
The questions says it has 2 solutions. It wants me to find what x would be if cos(x)=-.49 and it is given that x is on the scale
3 answers
433 views
The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers?
3 answers
1,381 views
Order -3, 5, 16 and -10 from least to greatest. Then order the same numbers from closest to zero to farthest from zero. Describe
3 answers
707 views
Belle had the choice of taking out a four year car loan at 8.5% simple interest or a Five year loan at 7.75% simple interest. If
4 answers
1,721 views
How many liters of a 2.5% bleach solution must be mixed with a 10% bleach solution to produce 600 ml of a 5% bleach solution?
3 answers
782 views
Pages
1
2
3
4
5