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January 11, 2015
The linear impulse delivered by the hit of a boxer is 97.7 N·s during the 0.368 s of contact.
What is the magnitude of the
1 answer
asked by
Kim
6,454 views
A taxi company charges passengers $1.00 for a ride, and an additional $0.30 for each mile traveled. The function rule C = 0.30m
8 answers
asked by
SkatingDJ
6,239 views
You have set up Remote Desktop for the company server running Server 2008 so that your users can RDP in from their XP
3 answers
asked by
Frank
4,046 views
Find all points of extrema on the interval [0, 2pi] if y=x+sinx
(-1.-1+(3pi/2)) (pi, pi) (-1,0) ((3pi/2), 0) none of these I got
1 answer
asked by
Anonymous
3,832 views
Shawn and his bike have a total mass of
51.1 kg. Shawn rides his bike 1.7 km in 10.7 min at a constant velocity. The acceleration
2 answers
asked by
sarah
3,756 views
I read the short story "I Go Along" by Richard Peck. I must answer: "The title of this story can be interpreted in a number of
4 answers
asked by
Bethany
3,671 views
find the mass in grams of 1.40x10^23 molecules of n2
6 answers
asked by
Sierra
3,429 views
A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that
4 answers
asked by
Alex
3,190 views
What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen, and 29.0% oxygen?
-I found this to be C3H3O
1 answer
asked by
Bridget
3,091 views
given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.
2 answers
asked by
Monica
3,074 views
3 PART PROBLEM:
Jen bought some sesame bagels and some plain bagels. The ratio of the number of sesame bagels to the number of
4 answers
asked by
kymy
3,014 views
A particle is moving along the x-axis according to the position function s(t)=3t^2-t^3. What is its maximum velocity?
A. 1 B. 2
2 answers
asked by
Anonymous
2,718 views
When evolution was first proposed, which of the following was used as evidence to support the idea?
A)observations of nature
10 answers
asked by
SkatingDJ
2,423 views
A racing car has a mass of 1970 kg.
The acceleration of gravity is 9.8 m/s^2. What is its kinetic energy if it has a speed of 102
1 answer
asked by
anna
2,397 views
In a cladogram, a branch point represents a(n) _______ and a branch that ends without leading to a living species represents
4 answers
asked by
SkatingDJ
2,258 views
The hypotenuse of a right triangle is 35 cm long, and the length of the short sides is 23 cm. Find the length of the other side.
1 answer
asked by
Rona
2,035 views
Classify each substance as either arrhenius acid or base:
A) HF (aq) B) Ba(OH)2 (aq) C) H2SO4 (aq) D) NH4OH (aq) My work A)
2 answers
asked by
ROSE
1,958 views
Let f(x) be a polynomial function such that f(4)=-1, f’(4)=2 and f”(4)=0. If x<4, then f”(x)<0 and if x>4, then f”(x)>0.
1 answer
asked by
Anonymous
1,775 views
A 32 kg gun is standing on a frictionless surface.
The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive
11 answers
asked by
Jackie
1,671 views
The reaction of sodium hydrogen carbonate (baking soda), NaHCO3 and vinegar is a safe and effective method of opening a clogged
1 answer
asked by
Mike
1,626 views
The area of a basketball court is 4,700 square feet. The length of the court is 94 ft. What is the width of the basketball
3 answers
asked by
Mashayla
1,536 views
A current of 4.00 A is passed through a solution of AgNO3 for 1.00 hr. What mass of silver is deposited at the cathode? (In
3 answers
asked by
Jon
1,487 views
Together Marc and Paul have $32 Marc has $4 less than twice the amount Paul has. How much does each man have?
How do I set this
4 answers
asked by
jill
1,474 views
Mercury and bromine will react with each other to produce mercuric bromide. What mass of mercuric bromide can be produced from
1 answer
asked by
Abby K.
1,464 views
A guy wire from the top of a telephone post touches the ground at a point 7 meters from the foot of the post. If the wire and
1 answer
asked by
maniru
1,458 views
John Locke explained a "social contract" is
a belief that government has final authority over citizens an agreement that all
9 answers
asked by
jeje
1,450 views
if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
1 answer
asked by
Anonymous
1,409 views
One of nature's patterns connects the percent of adult birds in a colony that return from the previous year and the number of
1 answer
asked by
Les
1,382 views
A golf ball (m = 35.4 g) is struck a blow that
makes an angle of 61.8 ◦ with the horizontal. The drive lands 176 m away on a
1 answer
asked by
Alex
1,377 views
Find dy/dx for 5x^2-2xy+7y^2=0
I'm getting confused with signs.
2 answers
asked by
Anonymous
1,246 views
A ladder is 3.5 m long. It leans against a vertical wall when placed on horizontal ground . The ladder rest at a point on the
1 answer
asked by
abena
1,222 views
What is the percent by mass of hydrogen in aspirin C2H8O4?
3 answers
asked by
Sierra
1,178 views
A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank?
3 answers
asked by
Kelly
1,172 views
A fisherman on a wharf is pulling a rope tied to a boat. If his hand is 5 meters above sea level, how long is the rope if it
2 answers
asked by
maniru
1,142 views
A solid cube with an edge 10 cm is melted to from two equal cubes. Find the ratio of the edge of the smaller cube to the edge of
2 answers
asked by
dk
1,123 views
an annuity has an initial balance of $5000. annual withdrawals are made in the amount of $800 for 9 years, at which point the
4 answers
asked by
Sam
1,108 views
Simplify. Do not use negative exponents in the answer.
12x-2y4 -3xy-7 There should be a line between like a fraction but it did
2 answers
asked by
slomo
1,106 views
What is the mass of 1.00 mol of sodium hydrogen carbonate?
4 answers
asked by
Sierra
1,063 views
okay, sorry for last post but this one i'm stuck on.
Use the vertical line test to determine if the relation {(–6, –2),
2 answers
asked by
SkatingDJ
1,049 views
Let f(x) be a polynomial function such that f(-2)=5, f’(-2)=0 and f”(-2)=3. The point (-2, 5) is which of the following for
1 answer
asked by
Anonymous
1,032 views
glycerin C3H8O is a nonvolatile liquid. what is the vapor pressure of a solution made by adding 164 g of glycerin to 338 mL of
1 answer
asked by
Nelson
1,023 views
Which statement is NOT true of the graph f(x)=(x+1)(x-3)^2?
A. f has a relative maximum at (⅓, 256/27) B. f has a point of
3 answers
asked by
Anonymous
1,018 views
A square sheet of cardboard 100 cm by 100 cm is to have corners of side length x cut out. These cutouts will create flaps that
1 answer
asked by
Alex
976 views
From a point 36 meters from a building and 2.3 meters above the ground, the angle of elevation of the top of the building is
1 answer
asked by
maniru
971 views
1. Two edges PQ, RS of a tetrahedron PQRS are perpendicular; show that the distance between the mid-points of PS and QR is equal
1 answer
asked by
veeraprathap
954 views
Write an equation for the relationship
z varies jointly with x and the square of y, and inversely with r and s.
1 answer
asked by
nancy
935 views
I am thinking of changing physical science and do business with math,life science,business and geography what career can i
1 answer
asked by
Tumi
875 views
I would need help with example: The three numbers are consecutive terms of arithmetic progression and the sum of their second
2 answers
asked by
Viktoria
831 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
0 answers
asked by
Victoria
827 views
The ratio of boys to girls in a graduation class is 5:4. If there are 153 pupils in this class, how many boys are there?
3 answers
asked by
Irene
825 views
Write the total ionic and net ionic equations for each of the following reactions:
A) hydrobromic acid with potassium hydroxide
1 answer
asked by
Rose
823 views
A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the
1 answer
asked by
Alex
820 views
Mickey determines that the angle of elevation from his position to the top of the tower is 52°. He measures the angle of
1 answer
asked by
maniru
812 views
Find the absolute maximum and absolute minimum of f on the interval (-1,2]: f(x)=(-x^3+x^2+3x+1)/(x+1)
A. Maximum: (1, -2);
1 answer
asked by
Anonymous
795 views
A runner travelling at a velocity of 2.5 m/s[S] accelerates at a constant rate to pass another
runner to win the race. She
1 answer
asked by
kl
779 views
A lead pencil is in the shepe of a cylinder. The pencil is 21cm long with radius 0.4 cm and its lead is of radius 0.1 cm.what is
1 answer
asked by
dk
773 views
if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
2 answers
asked by
Bella
763 views
an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another
1 answer
asked by
olivia
760 views
Use the graph of f(x)=x^2/(x^2-4) to determine on which of the following intervals Rolle’s Theorem applies.
A. [0, 3] B. [-3,
1 answer
asked by
Anonymous
752 views
I have the ratio for this question but I need help with finding the value of ratio using the ratio I came up with: ratio of
1 answer
asked by
Alex
749 views
An object moves in a circular path at 861 rpm. If the radius of its circular path is 9.27 meters, calculate
a) the distance
1 answer
asked by
JOHNNY
745 views
Find the average speed of an automobile that travels 160 km in 2.0 h.
1 answer
asked by
wellington
742 views
Part 1 of 2
Write the balanced molecular equation for the reaction between iron metal (the nail) and aqueous copper II sulfate
1 answer
asked by
Richard
732 views
I did a lab where I was supposed to make "estimates" on transition compounds based on their electron configuration of how the
1 answer
asked by
Jessie
731 views
Consider f(x)=x^2/(x^2+a), a>0. Determine the effect on the graph of f if a is varied.
A. Each y value is multiplied by a B. As a
2 answers
asked by
Anonymous
728 views
I need to plan a lesson on 'Human Migration' to teach the class. This topic is from B3 GCSE.
These are the learning points: ALL:
1 answer
asked by
Hifza
728 views
if we consider multiplication as repeated addition then it is simple to visualise 3x4=12 as 4 being added three times which is
3 answers
asked by
Help me out it's urgent!
711 views
We have to do a project where we have to write the diary for a fictional person. I chose to do a canadian western farmer. I was
1 answer
asked by
Elizabeth
692 views
Sulfuric acid is dripped onto samples of three metals: silver, =zinc, and aluminium
a) Use the activity series to determine
1 answer
asked by
Michelle
686 views
I need to be shown the steps on how you derive at this answer
(5a^7 / 2b^5c)^0 = 1
2 answers
asked by
slomo
670 views
if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg
1 answer
asked by
Anonymous
669 views
Which of the following legal publications is NOT typically updated with pocket parts?
Legal encyclopedias Legal dictionaries
8 answers
asked by
Andian
666 views
The coefficient of static
friction between a skier and the snow is 0.16, with a coefficient of kinetic friction of 0.13. The
1 answer
asked by
Peta
655 views
What volume of 0.20M NaOH will contain 1.00g of NaOH
2 answers
asked by
c
654 views
Find the equation for the parabola with the given vertex that passes through the given points.
vertex (-4,2) point (-3,0) please
1 answer
asked by
Alicia
653 views
Water flows through cylinder pip of internal diameter 7cm at 2m per second. If the pipe is always half full, them what is the
1 answer
asked by
dk
642 views
Given f(x) = -1/x, find all c in the interval [-3, -½] that satisfies the Mean Value Theorem.
A. c= -sqrt(3/2) B. c= +or-
3 answers
asked by
Anonymous
640 views
A backyard covers 225 square feet. If the lenght of the backyard is 15ft,what is the perimeter of the backyard.
1 answer
asked by
Mashayla
640 views
The cash price of a cupboard is $3 000. An interest of 25% is charged if the cupboard is bought on hire purchase terms. Amina
1 answer
asked by
king
638 views
Find (f+g)(x),(f-g)(x),(f*g)(x), and (f/g)(x) for each f(x) and g(x)
Now we were working well on this until we got to this f(x)
2 answers
asked by
Alejandro
631 views
Solve each inequality:
(1/(2b+1)) + (1/(b+1)) > (8/15) (2/(x+1)) < 1 - (1/(x-1)) My teacher told me the answer is in interval
6 answers
asked by
John
626 views
The base of an isoceles triangle is 26 cm .If the perimeter is 72 cm.
Find the lengt of each of the equal sides
1 answer
asked by
Quincy Micaela
624 views
Why do citizens have a responsibility to have some basic understanding of nature's rules?
0 answers
asked by
Victoria
624 views
Calculate the pH of a solution prepared by diluting 0.0015L of a 0.100 mol/L nitric acid solution with 0.5L of water.
*C1×V1=C2�
1 answer
asked by
Fayza
622 views
Determine the mass of the precipitate, lead iodide that is formed when 150 ml of 0.0500M pb(no3)2 is reacted with excess
1 answer
asked by
Juliana
615 views
Latitude of Ivvavik National Park? Or Yukon Territory?
2 answers
asked by
thi
604 views
Since 2007, a particular fund returned 13.8% compounded monthly. How much would a $4000 investment in this fund have been worth
1 answer
asked by
CJ
597 views
The LexisNexis case abbreviation is:
A. LN. B. LX. C. LE. D. LEX. is it A?
4 answers
asked by
Anonymous
597 views
Explain El Zócalo and its importance.
6 answers
asked by
Anonymous
592 views
A cell exhibits a standard Ecell of 0.35V at 298K. What is the value of the equilibrium constant for the cell reaction if n = 2?
1 answer
asked by
Richard
588 views
The temperature on one day in January for Phoenix, AZ, is 62 degrees Fahrenheit. On the same day in Barrow, AK, the temperature
1 answer
asked by
cathy
568 views
Simplify the expressions in each pair. (2 marks each) (Show your work)
(x^2-2x)/(x+1)x (x^2-1)/(x^2+x-6) My work on simplifying
1 answer
asked by
Alex
567 views
A backyard covers 225 square feet. If the width of the gym is 25 ft, what is the perimeter of the backyard?
2 answers
asked by
Mashayla
565 views
Do you know some site where can I look for Science And Technology Engineering Mathematics books?
1 answer
asked by
jim
562 views
Determine themass of the copper solid produced when excess magnessuim metal reacts with 250 ml of 0.0500M copper acetate
1 answer
asked by
Juliana
560 views
How many square feet of wallpaper is needed to cover a wall if it has a perimeter of 50 ft and a height of 10 ft?
1 answer
asked by
Mashayla
550 views
I need to simplify this rational expression and show the steps, please help.
1 answer
asked by
Alice
543 views
How long (in seconds) does it take to deposit 1.065e+001 g Zn on a steel gate when 2.375e+001 A are passed through a ZnSO4
1 answer
asked by
Jon
541 views
Solve the system algebraically
2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!
2 answers
asked by
Alicia
541 views
How many mL of 0.5 M HCl(aq) are needed to neutralize a 288 mL solution of 0.25 M NaOH?
2 answers
asked by
Anonymous
541 views
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