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February

Questions Asked on February 20, 2013

If a triangular sail has a vertical height of 83 ft. And horizontal length of 40 ft, what is the area of the sail?I got area :
1. 1 answer
2. asked by Marco
3. 1,332 views
Which of the following mixtures of KCl in water is a saturated solution and which is an unsaturated solution;1)100g of KCl in
1. 1 answer
2. asked by Lori
3. 899 views
Karen is buying wallpaper border for her bedroomWhich is 12ft by 13ft. If the border is sold in rolls of 5yards each how many
1. 1 answer
2. asked by Marco
3. 2,767 views
For adults, the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day should a 73.0kg adult
1. 5 answers
2. asked by De'Erica
3. 4,510 views
Use the equation for the synthesis of hydrogen to answer the following. 10 points.C (s) + H2O (l) -> CO (g) + H2 (g) deltaH = +
1. 0 answers
2. asked by John
3. 513 views
how to find slope of a graph without pointsplease make it as simple as possible
1. 1 answer
2. asked by alex
3. 1,007 views
A tower casts a shadow of 64 feet. A 6 foot tall pole near the tower casts a shadow 8 feet long. How tall is the tower?
1. 2 answers
2. asked by Ally
3. 754 views
A bank teller is counting the total amount of money in a cash register at the end of the day. There is a total of $2600 in
1. 2 answers
2. asked by Jona
3. 1,547 views
What vocabulary term causes iron to rust
1. 3 answers
2. asked by Carter
3. 624 views
Children learn help care skills best whena.teachers teach them carefully b. they are part of their daily routine c.they are
1. 3 answers
2. asked by tim
3. 494 views
Which one of the following statements contains a similie ?A: the maple wears a er scarf B: I think that I shall never see a poem
1. 6 answers
2. asked by Anonymous
3. 988 views
In third grade... Write an equation comparing test scores of 88 and 97. (Use a box for missing number) do you know how to answer
1. 1 answer
2. asked by john
3. 457 views
2k+7=5k-k
1. 1 answer
2. asked by Tony
3. 729 views
Determine the Interval notation and Inequality notation of the absolute value notation: abs(x)>-5
1. 0 answers
2. asked by jc
3. 437 views
Snow was quickly piling up on the ground. Wind howled through the trees. Karen wrapped a blanket around her and sighed as she
1. 8 answers
2. asked by Anonymous
3. 3,030 views
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that
1. 0 answers
2. asked by Dawn
3. 512 views
A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that
1. 1 answer
2. asked by Dawn
3. 1,058 views
I need help with this problem: The path traveled by a golf ball with a 9-iron can be modeled with the quadratic equation, y=
1. 0 answers
2. asked by Don
3. 1,110 views
Below is the last stanza of a poem, "Dover Beach," written in 1876 by Matthew Arnold.Ah, love, let us be true To one another!
1. 2 answers
2. asked by Anonymous
3. 888 views
In third grade... Write an equation comparing test scores of 88 and 97. (Use a box for missing number) do you know how to answer
1. 7 answers
2. asked by john
3. 2,140 views
Latin America and North America1. The _______ were responsible for the forced migration of more people from Africa than any
1. 13 answers
2. asked by Dale
3. 908 views
pencils come in packages of 24. The teacher needs 80 pencils for a test. How many packages will he need to purchase?
1. 2 answers
2. asked by sarah
3. 479 views
A person takes in a breath of 27�C air andholds it until it warms to 36.5�C. The air has an initial volume of 0.39 L and a mass
1. 0 answers
2. asked by scott
3. 491 views
To determine the distance to an oil platform in the Pacific Ocean, from both ends of a beach, a surveyor measures the angle to
1. 0 answers
2. asked by Don
3. 472 views
a piece of limestone weighs 3/5 of a pound. A piece of slate weighs 4/7 of a pound. What is the difference in the weight of the
1. 1 answer
2. asked by sarah
3. 402 views
Evaluate the expression: log(base4)4^6
1. 1 answer
2. asked by Rachel
3. 370 views
1. Netta and Jim argued over their views of free trade.2. Netta and Jim had different views on free trade. 3. Netta and Jim were
1. 4 answers
2. asked by Anonymous
3. 1,959 views
there are about 20 potatoesin 5 pound bag.A resturant uses about 2 potatoes per order of french fries. How much money does the
1. 1 answer
2. asked by alex kyza
3. 473 views
Wha5t does the highest frequency mean?
1. 1 answer
2. asked by Ava Knapp
3. 484 views
Except for a few pigeons, Central Park was deserted. Mist hung above the chilled grass. Patches of old snow, scattered here and
1. 2 answers
2. asked by Anonymous
3. 637 views
She or her?There shouldn't be any similarities between ( her, she) and Pat. My answer: her
1. 1 answer
2. asked by Anonymous
3. 298 views
Graph each ellipse and find its foci :a) 3x^2+y^2=12 b) 5x^2+9y^2=45
1. 2 answers
2. asked by Anonymous
3. 340 views
Given the following functions, answer the questions:Temperature (°C) Kw 0 1.1410−15 25 1.0010−14 35 2.0910−14 40.
1. 2 answers
2. asked by Margaret
3. 622 views
Why is graphite more stable than diamond at 25˚C and 1 atm?
1. 0 answers
2. asked by Anonymous
3. 345 views
Why is Fe3+ likely to precipitate in the presence of oxygen?
1. 0 answers
2. asked by Anonymous
3. 339 views
What are key findings? I have to include this in a lab report. Thank you for any help
1. 3 answers
2. asked by Katie
3. 407 views
High-speed stroboscopic photographs showthat the head of a 212 g golf club is trav-eling at 29.8 m/s just before it strikes a
1. 2 answers
2. asked by Kelley
3. 653 views
What is equivalent to 5/10 and 11/20
1. 1 answer
2. asked by jiteanna
3. 438 views
(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these
1. 1 answer
2. asked by Anonymous
3. 585 views
(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these
1. 3 answers
2. asked by Anonymous
3. 500 views
A 10 kg mass is sitting on a 25 degree incline. A constant force of 49N is applied up the plane. The coefficient of static
1. 0 answers
2. asked by Aaron
3. 529 views
A system at equilibrium contains iodine at a pressure of 0.21 and iodine at a pressure of 0.23 . The system is then compressed
1. 2 answers
2. asked by Anonymous
3. 479 views
Can someone show me how to figure out the following problem?The slope of the graph of y = 5x is what? Thank you
1. 0 answers
2. asked by Jonathon
3. 323 views
If 4.5 kg object is sitting at rest on a 30 degree incline that has a coefficient of static friction of .19, what is the net
1. 0 answers
2. asked by Aaron
3. 335 views
While I was researching skateboards I found an interesting old newspaper story.We need to rewrite the sentence placing commas
1. 3 answers
2. asked by Cassie
3. 980 views
A student is attempting to haul a 500 kg log down a 24 degree hill. The log has a coefficient of friction of .5. The student is
1. 0 answers
2. asked by Aaron
3. 417 views
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a
1. 1 answer
2. asked by HELP !!!!
3. 1,156 views
A coin is projected with speed 6m s-1 (metres per second) along the horizontal surface of a bench. The coefficient of friction
1. 1 answer
2. asked by Josep
3. 683 views
A straight path is inclined at an angle of 15 degree to the horizontal. A loaded skip of total mass 1500 kg is at rest on the
1. 4 answers
2. asked by Josep
3. 1,322 views
Rewrite sentence using commas.In the June 29 1999 edition of the Mercury there was an article on skateboarding. I wrote... In
1. 2 answers
2. asked by Cassie
3. 398 views
Rewrite the sentence using commas.Some scientists in San Francisco California filmed skateboarders in action. I wrote... Some
1. 3 answers
2. asked by Cassie
3. 506 views
1. A premium box ticket at the Canucks game is $60 more than the low section next to the glass. The middle section is $90 less
1. 2 answers
2. asked by Molly
3. 440 views
-2x-y=-1 how do you put this in slope-intercept form y=mx=b ?
1. 1 answer
2. asked by Anon
3. 262 views
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a
1. 0 answers
2. asked by HELP !!!!
3. 893 views
This question is based on the following paragraph.(1) It was December 7, 1941. (2) The freighter Florentine, 320 miles northeast
1. 3 answers
2. asked by nanna
3. 635 views
The capacitance in a series RCL circuit is C1 = 1.2 μF, and the corresponding resonant frequency is f01 = 7.2 kHz. The
1. 0 answers
2. asked by Please HELP
3. 545 views
.I need to find a rule for .the inputs: 1,2,3,4 and the outputs:3,9,18,30.Please Help! Thanks
1. 1 answer
2. asked by Lauren
3. 332 views
An object Is propelled upward at an angle θ, 45° < θ<90°, to the horizontal with an initial velocity of (Vo) feet per second
1. 1 answer
2. asked by Anonymous
3. 1,864 views
are Chile, Argentina, and Brazil the only countries that share a border with Bolivia and Paraguay?
1. 3 answers
2. asked by Blaze
3. 958 views
i am having trouble with this compound.Molybdenum (VI) Chromate I'm have it find its formula and can't seem to get it. Thanks
1. 1 answer
2. asked by Rob
3. 422 views
A fire and rescue squads places a 15 ft ladder against a burning building. If he ladder is 9ft from the building how far up will
1. 1 answer
2. asked by Marco
3. 983 views
Rewrite sentence using commas.As they studied the film they noticed some rules of science at work. I wrote... As they studied
1. 2 answers
2. asked by Cassie
3. 1,109 views
Use the equation for the synthesis of hydrogen to answer the following.C (s) + H2O (l) -> CO (g) + H2 (g) deltaH = + 31.3
1. 1 answer
2. asked by John
3. 613 views
Rewrite sentence using commas.To be a good skater you have to follow safety rules. I wrote... To be a good skater, you have to
1. 2 answers
2. asked by Cassie
3. 436 views
Rewrite sentence using commas..Yes skateboarding is not only a sport but a science. I wrote... Yes, skateboarding is not only a
1. 2 answers
2. asked by Cassie
3. 536 views
The formula for the surface area of a sphere is 4(3.14)r^2. What is the surface area of a ball with a diameter of 6 inches
1. 1 answer
2. asked by Marco
3. 487 views
Rewrite using commas.When you balance on a skateboard there are three forces at work. I wrote... When you balance on a
1. 2 answers
2. asked by Cassie
3. 409 views
Rewrite using commas.The weight of the rider is one force and gravity is another. I wrote... The weight of the rider is one
1. 2 answers
2. asked by Cassie
3. 375 views
reasoning Eric and Madison both measured the same trading card.Eric says the card is about 3inches long.madison says it is about
1. 1 answer
2. asked by Latha
3. 381 views
Simplify9a(a-7)-8+3(a)
1. 1 answer
2. asked by LaShawn
3. 303 views
A rectangular field is to be fenced completely. The width is 28yd. And the total area is is 1960ydsquared.What is the length of
1. 1 answer
2. asked by Marco
3. 523 views
Is the angle 11pi/12 on the unit circle the same as the angle -pi/12? I'm thinking it would be, but I'm not sure.
1. 2 answers
2. asked by Casey
3. 1,218 views
A steam engine’s boiler completely converts151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as
1. 0 answers
2. asked by scott
3. 662 views
a scale model of a car is drawn with a scale of 1:12. if the scale model is 185mm long, how long is the actual car?
1. 2 answers
2. asked by jill
3. 804 views
Rewrite the sentence using commas.Pushing up against the skateboard the ground also acts as a force. I wrote... Pushing up
1. 2 answers
2. asked by Cassie
3. 388 views
Jana hit a golf ball with an initial velocity of 102 feet per second at an angle of 67° with the horizontal.After 2 seconds,
1. 2 answers
2. asked by Becca
3. 1,770 views
Consider the following equilibrium:H2CO3 (aq) ↔ H2O (l) + CO2 (g) Which direction will the equilibrium shift (left or right)
1. 2 answers
2. asked by Anonymous
3. 3,677 views
Rewrite the sentence using commas.Pushing up against the skateboard the ground also acts as a force. I wrote... Pushing up
1. 2 answers
2. asked by Cassie
3. 384 views
Simplify1(x+1)-7x(x^2+2x+1)
1. 1 answer
2. asked by LaShawn
3. 266 views
what is the greatest common factor 42, 78, and 120?
1. 1 answer
2. asked by sarah
3. 567 views
Simplify6x-4(4x+1)+6x+12(4x^2+9x+2)
1. 1 answer
2. asked by LaShawn
3. 326 views
How do you write 54% as a fraction in simplest form?
1. 1 answer
2. asked by sarah
3. 1,355 views
In one year, Melinda grew 2 1/4 inches to 48 3/8. What was her height at the beginning of the year?
1. 1 answer
2. asked by Tasha
3. 593 views
A trapezoid has an area of 10.5cm^2 and parallel sides that meausure 5.0cm and 2.0cm. What is the height of the trapezoid?
1. 1 answer
2. asked by Anonymous
3. 622 views
A rectangular yard is twice as long as wide the perimeter is 120ft. What are the yards dimensions? W : L :I got. W : 10. And ll:
1. 1 answer
2. asked by Marco
3. 1,389 views
Ms. Sue I don't know if you remember this question, but I got it wrong and I need to know the rule why.I put ...Please come with
1. 3 answers
2. asked by Cassie
3. 499 views
1) Frank and Oswalt report a molar absorptivity of 4700 L mol^-1 cm^-1 for thiocyanatoiron(lll) ion. What absorbance would you
1. 2 answers
2. asked by Joe
3. 2,004 views
2 planes leave the airport at the same time. Minutes later plane A is 70 miles due north of the airport. Plane B is 168 miles
1. 1 answer
2. asked by Marco
3. 1,119 views
A water sprinkler sprays in a circular a distance of 10 ft. What is the circumference of the spray?I got 31.4 ft. Is that
1. 3 answers
2. asked by Marco
3. 2,018 views
Drysol contains 6g of aluminum chloride hexahydrate in 42ml of an alcohol base. What is the final strength of Drysol?
1. 2 answers
2. asked by Shanna
3. 436 views
a survey of 70 customers was taken at a bookstore regarding the type of books purchased. the survey found that 42 customers
1. 1 answer
2. asked by Anonymous
3. 865 views
Find the density of an object which has a mass of 360 grams and fills a volume of 36 mL.
1. 1 answer
2. asked by heather
3. 947 views
A house is being renovated for $50,000. Right now the HST is 12% and is charged on all renovations. After April the HST will be
1. 0 answers
2. asked by Molly
3. 384 views
Who Discovered the First Singind and Dancing Hawk?
1. 3 answers
2. asked by Cameron
3. 2,460 views
In a recent survey, it was determined that 1 out of 500 people had more then 6 siblings, based on this statistic what percent of
1. 1 answer
2. asked by kevin
3. 378 views
a certain binary star system consists of two stars of masses m and 3m respectively separated by a distance of 1.5 x 10^12 m,
1. 1 answer
2. asked by James
3. 1,898 views
There are two identical, positively charged conducting spheres fixed in space. The spheres are 44.6 cm apart (center to center)
1. 0 answers
2. asked by Kels
3. 820 views
A uranium and iron atom reside a distance R = 28.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly
1. 0 answers
2. asked by Kels
3. 579 views
A 2.75-gram air inflated balloon is given an excess negative charge, q1 = -3.00 × 10-8 C, by rubbing it with a blanket. It is
1. 0 answers
2. asked by Kels
3. 869 views
1.) A 10,000 kg railroad car traveling at a speed of 24.0 m/s strikes an identical car at rest. If the cars lock together as a
1. 1 answer
2. asked by Isis
3. 1,138 views

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