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Claudia
Questions and answers by visitors named
Claudia
Questions (133)
Neeka gave one fifth of her mangoes to her brother, she sold five eighths of the remainder, she was left with 12 mangoes. How
1 answer
444 views
I can't find a substance apart of water with a pH of 7,so i have a question, i don't know if water is the only neutral substance
1 answer
859 views
Hi I'm supposed to write a story on the school's CSTs scores and eve though I have tried, I haven't been able to find a website
1 answer
449 views
1.What is the mass of 2.0 moles of LiOH?
Atomic mass Li + atomic mass O + atomic mass H = molar mass LiOH. grams in 2 mol = #mols
1 answer
572 views
We are supposed to give a presentation of a certain author, we are supposed to talk about customary themes; but even though I
1 answer
487 views
Explain how the ways in which plants and animals get their energy differ?
3 answers
540 views
Hi you guys I am having trouble with the cell communication chapter so I would really appreaciate if someone could help out with
1 answer
478 views
I posted this question three days ago but no one answered.
Hi you guys I am having trouble with the "cell communication" chapter
3 answers
598 views
How can I calculate the exothermic lattice energy when all I am given is the compound formula LiF?
1 answer
433 views
Could u help with physics hw! i keep trying but i keep getting the wrong answer?
a 71g autographed baseball slides off of a 1.3 m
2 answers
604 views
thanks for your help!
and thankyou for explaining how you got the answer because that way i know what i was doing wrong. now it
1 answer
413 views
four forces act on a hot air ballon
356 N north 129 N west 297 N east 156 N south a)find the magnitude of the resultant force on
5 answers
1,833 views
two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force
3 answers
734 views
two men decide to use their cars to pull a truck stuck in mud. They attach ropes and one pulls with a force of 688 N at an angle
2 answers
1,178 views
ok im doing my physics homework and we have to submit the answers online.
i keep getting these questions wrong and i only have
4 answers
907 views
a 5.9 kg bucket of water is raised from a well by a rope.
the acceleration of gravity is 9.81 m/s^2 if the upward acceleration of
3 answers
670 views
ok heres my work for one of the questions. sorry is taking long to upload them.
h t t p : / / i 3 7 . t i n y p i c . c o m / 2 n
1 answer
357 views
ok im doing my physics homework and we have to submit the answers online.
i keep getting these questions wrong and i only have
3 answers
550 views
ok and for this other question could you check my work please!
h t t p : / /i 3 4 . t i n y p i c . c o m / s 2 z h m v . j p g
1 answer
315 views
ok thiis is my work for the next
question. im i right? im not sure on the question where it asks: what is its acceleration?
1 answer
414 views
what are the similarities and differences between an arithmetic sequence and a linear equation?
ok i know that arithmetic
4 answers
5,895 views
why are the small events of life important to you?
i say that how you treat the small everyday events of life is a microcosm of
3 answers
408 views
ok it says
a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from the
2 answers
607 views
i need help
it says a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from
2 answers
893 views
ok i need help on this other question
please A 56.0 kg skier is at the top of a slope. At the initial point A, the skier is 14.0
2 answers
757 views
How do you estimate and calulate quotients with decimals
1 answer
381 views
a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm.
what is the density of the physics book if it
2 answers
1,299 views
a 3.5 kg rectangular air mattress is 2.73m long, 1.1m wide, and .124m thick.
what mass can it support in water befor sinking?
3 answers
732 views
Given:
cp,ice = 2090 J/kg◦C cp,water = 4186 J/kg ·◦C cp,steam = 2010 J/kg ◦C Lf = 3.33 × 105 J/kg Lv = 2.26 × 106 J/kg
2 answers
721 views
Calculate the concentration of SO2(ppm) that must be reached in polluted air (in ppm) if the dissolved gas is to produce a pH of
2 answers
696 views
Taking the mass of the atmosphere to be 5.7E15 metric tons, what mass of carbon must
be burned in order to increase the average
2 answers
482 views
If an economy has elements of more than one economic system. it is a ________.
3 answers
578 views
ok the question is:
consider a concave mirror with a focal length of 13.72 cm find the image distance when the object distance is
3 answers
406 views
consider a concave mirror with a focal length of 13.72cm, and the object distance is 6.86cm, i calculated and found the image
2 answers
928 views
the relationship bwtween frequency, wavelength, and speed holds for light waves because all forms of electromagnetic radiation
3 answers
1,740 views
The mass of a single barium atom is 2.28E-22 grams. How many barium atoms would there be in 37.4 milligrams of barium
2 answers
901 views
At its highest point, the pendulum is 1.2m above the ground and as a gravitational potential energy of 62J. If the gravitational
4 answers
1,444 views
Determine the future value of an annuity due into which quarterly deposits of $450 are made for nine years if the annuity pays
3 answers
446 views
What's the antiderivative of x(2x-6)^(1/2)?
1 answer
355 views
"How do I find out which manufactures in the US sell the most Oxygen Concentrators?"
1 answer
898 views
Races are timed to an accuracy of 1/1000 of a second. What distance could a person rollerblading at a speed of 8.5 m/s travel in
4 answers
1,387 views
A certain freely falling object requires 1.25 s to travel the last 35.5 m before it hits the ground. From what height above the
3 answers
1,448 views
A brick is thrown upward from the top of a building at an angle of 15° to the horizontal and with an initial speed of 16 m/s.
2 answers
561 views
Studies indicate that the price elasticity of demand for cigarettes is about
0.4. If a pack of cigarettes currently costs $4 and
3 answers
1,698 views
I have a problem that says to Use the laws of logarithms to expand and simplify the expression.
ln(x(x + 1)(x + 2)) .. I keep
3 answers
776 views
I need to solve for t in the following expression.
A/(1+B^t/2) = C using logarithms. how do I get started
1 answer
341 views
Substance A has a melting point of -10 degree celcius and a boiling point of 57 degree celcius. Sunstance B has a melting point
3 answers
1,311 views
Supply the missing premise or conclusion of the ff. enthymeme in such a way that the resulting syllogism is valid. Write the
5 answers
1,067 views
Supply the missing premise or conclusion of the ff. enthymeme in such a way that the resulting syllogism is valid. Write the
1 answer
668 views
Supply the missing premise or conclusion of the ff. enthymeme in such a way that the resulting syllogism is valid. Write the
2 answers
598 views
What is the pH of a solution prepared to contain 155 grams of HCl in 200.0 mL?
Can you tell me how to do it? I can't remember
3 answers
424 views
A laden lorry of mass 3000kg travelling due east at 40 m.s -1 collides head on with a large truck of mass 2000kg travelling at
2 answers
546 views
truck A of mass 2,5 x 10(4) kg approaches a second truck B of mass 2 x 10(4) kg with a velocity of 12 m.s -1 and collides with
1 answer
414 views
an aeroplane of mass 8000kg flying at 600km.h-1 fires a projectile of mass 100kg at a speed of 900 km.h-1. Calculate the
1 answer
478 views
A cannon on a stationery railway truck fires a shell of mass 5 kg with a velocity of 240 m.s -1. The mass of the cannon is
2 answers
536 views
Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of
1 answer
1,060 views
Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of
2 answers
565 views
Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of
1 answer
475 views
Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of
4 answers
1,006 views
Let p(x)=x^2(a−x), where a is constant and a greater than 0.
Find the local maxima and minima of p. (Enter your maxima and
4 answers
2,105 views
Vinegar is a dilute solution of acetic acid. What is the concentration of acetic acid in the vinegar if 26.5 mL of NaOH at 0.250
3 answers
1,262 views
Identify the slope and y-intercept of the following table values.
x 5,10,15,20,25 y -80,-40,0,40,80
3 answers
559 views
How would understanding the function of a student's behavior influence your response to it?
1 answer
386 views
How does this approach differ from traditional responses to student behavior?
1 answer
334 views
How could you use the notion of behavior functions to understand how students can find and press teachers' "hot buttons"?
1 answer
364 views
Can someone please check my answers for the following 'choose the best answer'?
Which of the following cellular functions would
2 answers
550 views
Please help?
Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the
2 answers
1,369 views
Can someone please check my answers for the following 'choose the best answer'?
Which of the following cellular functions would
1 answer
682 views
Can someone please check my answers for the following 'choose the best answer'?
Which of the following cellular functions would
4 answers
1,861 views
For women's volleyball the top of the net is 2.24 m above the floor and the court measures 9.0 m by 9.0 m on each side of the
3 answers
1,338 views
A 1000kg rocket is moving forward at 10m/s in space. A 10,000N force is applied to the rocket for one second from behind. How
4 answers
2,050 views
A coin is tossed three times. If heads appears on all 3 tosses, Mary will win $16. If heads appears on 2 of the
tosses, she will
3 answers
1,177 views
Identical +6.15 µC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be
1 answer
719 views
Do you have the story animal senses
1 answer
363 views
1.Express (xe^x)^2=30e^(-x) in the form lnx=ax+b,and find the value of a and of b .
2.solve 4(3^2x)=e^x
4 answers
1,218 views
A diagram shows a straight line graph of In y against x,passing through the point (0,2) and having gradient -3/2 .
The variables
4 answers
1,519 views
The variables x and y are related by the equation y=ax/(x-b),where a and b are constants .When y is plotted against y/x ,a
4 answers
1,267 views
A garden fertilizer contains 15% by mass of nitrogen. The recommended usage is 30g of fertilizer per 10dm^3 of water. What is
2 answers
613 views
Manufacturing A factory manufactures two products, each requiring the use of three machines. The first machine can be used at
1 answer
719 views
Manufacturing A factory manufactures two products, each requiring the use of three machines. The first machine can be used at
4 answers
2,669 views
A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and
3 answers
774 views
A financial consultant wishes to invest up to a total of $33,000 in two types of securities, one that yields 8% per year and
2 answers
526 views
2)Banquet Seating A banquet hall offers two types of tables for rent: 6-person rectangular tables at a cost of $26 each and
2 answers
1,277 views
The student activities department of a community college plans to rent buses and vans for a spring-break trip. Each bus has 40
3 answers
1,455 views
I'm helping my son he is in 4th grade . His hw it's hard and this is the problem : find two mixed numbers. So that the sum is 7
3 answers
510 views
In all parts: assume the the air temperature is 17.8o C, so the speed of sound in air is 342.0 m/s.
Part A. Suppose a ship's
3 answers
539 views
The temperature is shown at 6:00am. It is rising at one degree every thirty minutes. At this rate, it will be 20 degrees at what
2 answers
812 views
In this sound interferometer, sound waves enter at A and travel to C via paths ABC and ADC. the intensity of the sound can be
1 answer
653 views
1. Choose the meaning that best matches the word in capitals:
After eating a second piece of cake, my CONSCIENCE began to eat me!
4 answers
771 views
A fully opened parachute is shaped like a hemisphere and has a diameter of 8m.
Which of the following is closet to the volume of
2 answers
679 views
A rectangular box with given dimensions length=80m, width=64m and height=48m. Has its two largest sides painted green. what
1 answer
488 views
The speed of a moving sidewalk at an airport is 3 ft/sec. A person can walk 79 ft forward on the moving sidewalk in the same
3 answers
538 views
David uses 1/3 cup of apple juice for every 1/2 cup of cranberry juice to make a fruit drink.
2 answers
630 views
If a sound has a wavelength of 3 m, what is its frequency? Use 340 m/s for its speed of sound.
4 answers
710 views
The pricing of pharmaceutical products can be controversial. A recent example is EpiPen
produced by Mylan which is used to treat
1 answer
563 views
Hi! Can I get some help with this questions. I am very confused about how to approach it.
Find the point on the curve y=5x+4
6 answers
621 views
At 35 degrees C, 2.0 mmol of pure NOCI is introduced into a 2.0-L flask. The NOCI partially decomposes according to the
2 answers
660 views
What significant role did fur trading play in the trade relationship between French colonists and Native Americans?
2 answers
2,079 views
A stone is placed in a graduated cylinder, which has been filled to the 35-mL mark. The level rises to 42 mL. What is the volume
4 answers
1,694 views
H2S + Cr2O7 2- = Cr3+ + S
1 answer
147 views
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