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Questions Asked on February 20, 2017

which of the following is NOT true about the path of a cannon ball launched horizontally from the earth's surface if air
1. 4 answers
2. asked by Anonymous
3. 6,255 views
write a recursive formula for the sequence 5,18,31,44,57 then find the next term.My answer is a1=5,an=an-1+13 The next term
1. 4 answers
2. asked by Steve
3. 5,445 views
A 71 kg skydiver jumps out of a plane at an altitude of 1370m. She reaches terminal velocity of 68m/s. She opens the parachute
1. 1 answer
2. asked by Helen
3. 5,145 views
Solve the equation 2x + 5 = 15.a) x = 5 b) x = 7 c) x = 10 d) x = 15
1. 0 answers
2. asked by Ms. Walker
3. 4,407 views
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 17 m/s
1. 1 answer
2. asked by ana
3. 4,370 views
An observer in a lighthouse 48.8 m above sea level saw two vessels moving directly towards the lighthouse. He observed that the
1. 4 answers
2. asked by Daniela
3. 4,317 views
Suppose a spherical asteroid has a radius of approximately 9.0 x 10^2m. Use the formula 4/3*pir^3 to find the approximate volume
1. 2 answers
2. asked by Fading
3. 3,673 views
A car travelling at 25 m/s slams its break leaving skids marks along a distance 125 m as it comes to rest. the coefficient f
1. 2 answers
2. asked by Anthony
3. 3,558 views
which word or phrase is wrong?Her mother asked her what would she do after she graduated from college. her-would-she do-from
1. 6 answers
2. asked by engl1301
3. 3,263 views
A 12-meter high post casts a 19-meter shadow. Find the angle of elevation to the sun.-what is/are given? -formula used -solution
1. 5 answers
2. asked by Daniela
3. 3,186 views
A 2000kg car is slowed down uniformly from 20m/s to 5 m/s in 4s.What is the average total force on the car during this time.
1. 1 answer
2. asked by Pau
3. 3,023 views
Find a polynomial with integer coefficients that satisfies the given conditions.R has degree 4 and zeros 3 − 4i and 5, with 5
1. 6 answers
2. asked by Kyle
3. 2,963 views
A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How
1. 5 answers
2. asked by Daniela
3. 2,944 views
What is the magnitude of your total displacement if you have traveled due west with a speed of 23 m/s for 125 s , then due south
1. 1 answer
2. asked by anonymous
3. 2,877 views
3Cu(s) + 8HNO3(aq) → 2NO(g) + 3Cu(NO3)2(aq) + 4H2O(l)If 15 g of copper metal was added to an aqueous solution containing 6.0
1. 2 answers
2. asked by Raphael
3. 2,762 views
1. Which of the following is an example of matterA.Leaves B.Shadows C.Light from the sun D.Sound<--- 2.Which of the following IS
1. 10 answers
2. asked by Cookie dough
3. 2,691 views
which salt solution would have the highest ph and whyKI,KBr,KF,KCL or they all have the same ph. Im leaning towards KF since im
1. 2 answers
2. asked by Sean
3. 2,471 views
The partial pressure of CO2 inside a bottle of soft drink is 4.0 atm at 25°C. The solubility of CO2 is 0.12 mol/L. When the
1. 2 answers
2. asked by Brianna
3. 2,366 views
Consider compounds trans-4-tert-butylcyclohexanol and 4-tert-butylcyclohexanone below. Using silica gel TLC plates, which of
1. 4 answers
2. asked by Lyndsay
3. 2,250 views
the angle of elevation of the top of the building from a point 30 meters away from the building is 65 degrees
1. 2 answers
2. asked by Daniela
3. 2,124 views
the 3rd term of a gp is 63 and 5th term is 567.find the sum of the 6th term of the progression
1. 3 answers
2. asked by value
3. 1,995 views
How many moles of mercury will be produced by electrolyzing 1.0M Hg(NO3)2 solution with a current 2.00A for 2 hours.
1. 1 answer
2. asked by Neha
3. 1,995 views
2.1/ x+1 4/5 = 3/10xThe fraction 2.1/x+1 4/5 equals 3/10x. Find out what x equals.
1. 5 answers
2. asked by GeniusTigeress
3. 1,760 views
my divisor is 5 I'm greater than 4 X 5 I'm less than 5 x 5 my remainder is 1 what dividend am I
1. 6 answers
2. asked by AJ
3. 1,752 views
Kenny will invest $16,000 in an account with an annual interest rate of 5% and the interest is compounded quarterly. How much
1. 1 answer
2. asked by Hannah
3. 1,687 views
in which sentences fast used as adverb?The cars on the overpass moved fast -the fast car drove over bridge-the battle couldn’t
1. 2 answers
2. asked by Victoria
3. 1,580 views
When dividing two numbers written in exponential notation, what do you do with the exponents of 10?add subtract multiply divide
1. 5 answers
2. asked by Fading
3. 1,515 views
How do I solve the equation:3 = 2.1 sin[(pi/6)t - 5pi/6] + 3.2
1. 1 answer
2. asked by Brian
3. 1,510 views
Ms. Allison drew a box-and-whisker plot to represent her students scores on a midterm test.Lowest value=44 Lower quartile=47
1. 10 answers
2. asked by Help!
3. 1,366 views
A diagonal of a parallelogram forms 25° and 35° angles with the sides of a parallelogram. Find the angles of the
1. 1 answer
2. asked by annie
3. 1,337 views
The Peachtree Road Race is unique as a 10K road race in three distinctive ways: it is run on the 4th of July, it has a rich
1. 4 answers
2. asked by anonamus
3. 1,316 views
Tad draws three cards at random, without replacement, from a deck of ten cards numbered1 through 10. What is the probability
1. 2 answers
2. asked by nikhil
3. 1,272 views
A 8.408 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 12.53 grams of CO2 and
1. 3 answers
2. asked by ALAN
3. 1,256 views
The Earth is 150 million km from the sun. It completes one orbit in a period of approximately 365.25 days. Calculate the orbital
1. 1 answer
2. asked by loral
3. 1,212 views
Problem 1:A semi-circular garden has a radius of 10 meters. What is its area? ( Use pi =3.14)Answer:157m^2 Problem 2:The base of
1. 13 answers
2. asked by edd
3. 1,193 views
show that the sum of nterm of the progression is logx,logx^2,logx^3,logx^4---is n(n+1)/2 logx
1. 5 answers
2. asked by value
3. 1,164 views
Can you PLEASE help me with this problem? I do not understand...The area of a triangle can be found by using the formula
1. 2 answers
2. asked by Leroy
3. 1,143 views
Ms. Allison drew a box-and-whisker plot to represent her students scores on a midterm test.Lowest value=44 Lower quartile=47
1. 0 answers
2. asked by faith
3. 1,066 views
What is the magnitude of your total displacement if you have traveled due west with a speed of 23 m/s for 125 s , then due south
1. 1 answer
2. asked by sintia
3. 1,045 views
Recall the reactions for this lab:S2O82- + 2I- → 2SO42- + I2 (slow) Reaction 1 The one that delays the solution turning blue:
1. 0 answers
2. asked by Anonymous
3. 1,037 views
There are5 cyclists in a race. There will be a first-place and a second-place prize awarded. In how many different ways can the
1. 3 answers
2. asked by Anonymous
3. 1,011 views
The perimeter of a rectangle is 46 inches, and the area is 120 square inches. Find the length and width of the rectangle.
1. 1 answer
2. asked by Tony
3. 1,001 views
When 3.517 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.59 grams of CO2 and 3.164 grams of
1. 4 answers
2. asked by jillian
3. 977 views
Recall the reactions for this lab:S2O82- + 2I- → 2SO42- + I2 (slow) Reaction 1 The one that delays the solution turning blue:
1. 0 answers
2. asked by Alexander
3. 956 views
The fruit plants in my garden do not bear fruit during their first summer. The fruits are picked for the next two years and then
1. 1 answer
2. asked by Alice
3. 933 views
An electron in a cathode-ray tube is traveling horizontally at 2.10×109 cm/s when deflection plates give it an upward
1. 0 answers
2. asked by sintia
3. 926 views
empirical formula forK 60.0% C 18.5% N 21.5% and P 7.5% I 92.5%
1. 1 answer
2. asked by Mar
3. 920 views
A soccer ball is kicked with a speed of 16.7 m/s at an angle of 45.0 ∘ above the horizontal.If the ball lands at the same
1. 1 answer
2. asked by ana
3. 904 views
Mrs.Santiago is 36 yrs. old and her son is 4 years old. When will the mother be thrice as old as her son?
1. 1 answer
2. asked by charlene
3. 903 views
IP A white-crowned sparrow flying horizontally with a speed of 1.70 m/s folds its wings and begins to drop in free fallHow far
1. 1 answer
2. asked by sintia
3. 902 views
the cost of ploughing a square field at ₹13.50 per meter is ₹5400 find the cost of fencing the field at ₹28.50 per meter
1. 4 answers
2. asked by Nishta
3. 897 views
A 5.0×101 kg sample of water absorbs 324 kJ of heat. If the water was initially at 22.2 ∘C, what is its final temperature?
1. 1 answer
2. asked by Carlos
3. 888 views
If a circular railroad crossing sign has a diameter of 30in what should its areas be?
1. 2 answers
2. asked by A girl
3. 873 views
"Yet thrusting perpetually under siege.Your armed struggles for profit" What does these stanzas from On the Pulse of Morning
1. 2 answers
2. asked by Acasia
3. 858 views
An electron in a cathode-ray tube is traveling horizontally at 2.10×109 cm/s when deflection plates give it an upward
1. 0 answers
2. asked by sintia
3. 853 views
I'm having a hard time understanding the fundamental counting principal and I don't even know where to start on some of the
1. 1 answer
2. asked by John
3. 853 views
A man has Rs 10000. he lost 2/5 of his money and he spent 1/4 of the reamainder. find the reamaining money with him now.
1. 2 answers
2. asked by Anonymous
3. 852 views
Find the centroid (x¯,y¯)(x¯,y¯) of the region bounded by:y=5x^2+6x y=0 x=0 x=6 I know the integral (think, at least) is
1. 1 answer
2. asked by Ethan
3. 842 views
Solve algebraically using only variable: The length of a rectangle is two less than three timesits width. If the area of the
1. 1 answer
2. asked by Tony
3. 834 views
A bacterium has a genome size of 6.0 X 106 base pairs. There is one Origin of Replication (ORI) and each DNA polymerase
1. 1 answer
2. asked by sara
3. 826 views
Hello,I REALLLYYY need help with my Health and physical ed quiz. I have ONE question that i need help answering. please and
1. 5 answers
2. asked by Ms. Lonely
3. 819 views
A stone is dropped from a hot air balloon that is rising at a constant speed of 2.2 m/s. If the stone takes 4.8 seconds to reach
1. 1 answer
2. asked by Jimbo
3. 813 views
how many chloride ions are in 0.28 mol MgCl2?
1. 1 answer
2. asked by Ness
3. 810 views
If a farmer has 90 animals in a field.4/9 are sheep,1/3 are cows,1/10 are horses and the rest are pigs.How many pigs are there?
1. 3 answers
2. asked by Billy
3. 810 views
What are the molality and mole fraction of solute in a 30.1 percent by mass aqueous solution of formic acid (HCOOH)
1. 1 answer
2. asked by Daryll
3. 808 views
What is the molality of a solution containing 11.1 g Na2SO4 dissolved in 2269.2 g of water?
1. 26 answers
2. asked by Brianna
3. 800 views
Write the Kc expression for the following reaction: Fe3+ + SCN- = FeSCN2+
1. 1 answer
2. asked by Aiyana M.
3. 797 views
Solve algebraically using one variable: Find three consecutive odd integers such that theproduct of the first integer and the
1. 3 answers
2. asked by Tony
3. 797 views
Solve algebraically using one variable: Find three consecutive odd integers such that theproduct of the first integer and the
1. 1 answer
2. asked by Russell
3. 795 views
Prove algebraically that the ratio of perimeters of two triangles is 1:4 if the ratio of their corresponding sides is 1:4
1. 5 answers
2. asked by ann
3. 783 views
What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)?work this
1. 2 answers
2. asked by Brianna
3. 782 views
I spent hours on this and I still cant figure it out please help me:Let L1 be the line passing through the points Q1=(4, 2,
1. 3 answers
2. asked by shana
3. 772 views
Solve algebraically using only variable: The length of a rectangle is two less than three timesits width. If the area of the
1. 1 answer
2. asked by Tony
3. 771 views
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least
1. 3 answers
2. asked by Matt
3. 769 views
. A student mixed the following reactants, using the general procedure for the experiment:10.0 mL of 0.10 M KI, 10.0 mL of
1. 1 answer
2. asked by Anonymous
3. 737 views
Let L1 be the line passing through the points Q1=(−2, 1, 1) and Q2=(−4, 4, 0) and let L2 be the line passing through the
1. 1 answer
2. asked by shana
3. 735 views
A gardener holds a hose 0.75m above the ground such that the water shoot out horizontally and hits the ground at a point 20m
1. 1 answer
2. asked by rhamlyn casis
3. 732 views
A student mixed the following reactants, using the general procedure for the experiment:10.0 mL of 0.10 M KI, 10.0 mL of 0.0010
1. 1 answer
2. asked by Alexander
3. 731 views
Calculate how much carbon you use in a year, by considering how much driving you do a year. If I use 500 gal per year, what is
1. 1 answer
2. asked by Alex
3. 726 views
A large hose will fill a pool in 40 minutes while it takes a smaller hose 60 minutes to fill the same pool. The same pool
1. 2 answers
2. asked by Charlene
3. 717 views
Create balanced equation, given the two compounds in aqueous solution may react with one another. State whether or not a
1. 1 answer
2. asked by Aaron
3. 717 views
A boat is capable of 20 km/h in still water. You wish to cross the river downstream so that the angle the boat's push makes with
1. 5 answers
2. asked by John
3. 710 views
Compare Britain's and America's government. How are they similar? How are they different? Consider things like: Who is the
1. 1 answer
2. asked by Lana
3. 701 views
4.5cm is 75% of
1. 2 answers
2. asked by GeniusTigeress
3. 698 views
0.210 mole of Na2CO3 in 200.0 mL of solution
1. 1 answer
2. asked by Anonymous
3. 688 views
1]find two possible values for the geometric mean of –1/4 and –4[2]form a G.P that has two geometric means between (a)1029
1. 0 answers
2. asked by kel
3. 680 views
Can you please confirm that my answer is correct to this problem?80x2^ - 96x + 27 =0 I am using the quadratic formula to
1. 1 answer
2. asked by Lucille
3. 677 views
Ratio reduced to lowest terms 139 hours to 2 days
1. 1 answer
2. asked by Faith
3. 668 views
Monica wants to know what she needs to get on the exam to get a certain grade in her English class. The term Mark is worth 70%
1. 2 answers
2. asked by Emma
3. 668 views
The ratio of the units digit to the tens digit is one-half. The tens digit is two more than the units digit.Find the number.
1. 1 answer
2. asked by kitty
3. 640 views
Solve algebraically using one variable: Find three consecutive odd integers such that theproduct of the first integer and the
1. 1 answer
2. asked by Tony
3. 632 views
Dr. Zimand is studying testosterone levels and their influence on aggression in adult males. It is likely that Dr. Zimand
1. 2 answers
2. asked by Anonymous
3. 629 views
The fruit plants in my garden do not bear fruit during their first summer. The fruits are picked for the next two years and then
1. 0 answers
2. asked by Alice
3. 628 views
Chloe wants to invest a total of $39000 into 2 savings account, one paying 6% per year in interest and the other paying 9% per
1. 1 answer
2. asked by Litzy
3. 607 views
can you please help me with this problem:30y2^ + 60y + 300 = 5y2^ + 120y -24 25y - 60y + 324 = 0 used the quadratic equation
1. 1 answer
2. asked by Angela
3. 600 views
Problem:Tad draws three cards at random, without replacement, from a deck of ten cards numbered 1 through 10. What is the
1. 0 answers
2. asked by Nikhil
3. 597 views
the age of the father is square of the age of his daughter . five years hence the fathers is three times as old as daughter
1. 1 answer
2. asked by Ramesh
3. 585 views
In a two digit number the tens digit is two less than the units digit.If the digits are reversed, the sum of the reversed and
1. 1 answer
2. asked by GeniusTigeress
3. 584 views
If you have 1911.9 g of a bleach solution. The percent by mass of the solute sodium hypochlorite NaOCl is 3.62. How many grams
1. 1 answer
2. asked by Daryll
3. 577 views
Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts
1. 2 answers
2. asked by Terrence
3. 573 views

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