Questions Asked on
October 12, 2015

Science Urgent😖😖😖
Why most organisms reproduce A( organisms must reproduce to maintain genetic similarity in the species B( organisms must reproduce to continue to build genetic diverse city into the species C( organisms must reproduce to continue the species D( organisms
asked by Jirehn 
Physics
A ball of mass 0.4 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker's foot is 17 m/s at angle of 35 degree above the horizontal. The top of the fence is 3 m
asked by Luma 
Accounting
In its first month of operations, Giffin Company made three purchases of merchandise in the following sequence: (1) 260 units at $5, (2) 360 units at $7, and (3) 460 units at $8. Assuming there are 160 units on hand at the end of the period, compute the
asked by Allie 
maths
a man bought 360 eggs at rs 12 per dozen. 60 eggs were broken and 30 were rotten. find his profit and loss percent . if he sells the rest of the eggs at rs 15 per dozen.
asked by shehzad 
physics
if you use a horizontal force of 30 N to slide a 12 kg wooden crate across a floor at a constant velocity, what is the coefficient of kinetic friction between the crate and the floor?
asked by carly 
Math
a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a
asked by Cozy 
math
Find conditions on k that will make the following system of equations have a unique solution. To enter your answer, first select whether k should be equal or not equal to specific values, then enter a value or a list of values separated by commas. Then
asked by Excel 
social studies
what resource first drew european traders to canada? AND I WANT THE RIGHT ANSWER!
asked by k 
Math Decimals
Jason has 4 tiles. Each tile has a number printed on it. The numbers are 2,3,6, and 8. A decimal number is formed using the tiles and the clues. Be a math detective and find the number. Clues: digit in tens place is the greatest number. digit in tenths is
asked by Ana 
Math
A football is punted into the air and it's height is given by the equation, h(t)=4.9t^2 + 24.5t + 1 a)how high is it after 1 second? b)how long does it take to reach it's max height? c)what is it's max height? d)how long does it take to hit the ground?
asked by Basil 
geometry
There are two noncongruent triangles that have a 9inch side, a 10inch side, and that enclose 36 square inches of area. Find the length of the third side in each of these triangles.
asked by Nico 
math (stats)
Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal distribution.
asked by bee 
Geometry
What is a counterexample of the following conjecture? Conjecture: Any number that is divisible by 3 is also divisible by 6 36 27 23 18 Is it C, 23? A little confused:p Please help? Thanks
asked by SkatingDJ 
social studies
In which order (first to last) were the following countries invaded by britan? 1(Sudan; south Africa; Tanzania 2(south africa; sudan; tanzania 3(tanzania; sudan; south africa 4(tanzania; south africa; sudan
asked by jirehn bush 
Mathematics
Given that 4,p,q,13 are consecutive terms of a a.p find the value of p and q
asked by Sulaimon yusuf 
math
Express the ratio as fraction 21 : 7/9
asked by Waseem 
Mathematics
The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term
asked by Sulaimon yusuf 
math
Ms. Handler walks to work at an average speed of 5 kilometers per hour. If she increases her speed to 6 kilometers per hour, she will save 10 minutes. Find the distance she walks.
asked by Rob 
Physics
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +3.2. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror? If the object is
asked by Anonymous 
Chemistry
According to the balanced equation below, how many moles of KBr will be made from 30.0 mL of 1.00 M HBr solution? HBr(aq) + KOH(aq) > H2O(I) + KBr(aq)
asked by Minset 
Physics
A colony of troglodytes has been in a lengthy feud with its neighbors on the adjacent cliff. Colony A finally develops an important military breakthrough: it rolls bombs off its cliff at known rates of speed, thus gaining pinpoint accuracy in its attacks.
asked by Luma 
8th Grade Prealgebra
3. Select all of the numbers that are correctly written in scienctific notaton A)42 x 10^5 B) 1.1 x 10^4 C) 7.0 x 20^4 D) 6.01 x 10^4 E) 18.0 x 10^3 4. Simply (2.0 x 10^4)(3.0 x 10^3) A)6.0 x 10^7 B) 6.0 x 10^12 C) 6.0 x 10^5 D) 6.0 x 10^43 5. (7.0 x
asked by Shelby J. 
Math
Is the equation true, false, or open? 5x+2=6x+11 a. Open; there is a variable b. True; the expressions are the same for all values of the variables c. False; the expressions are never the same
asked by Kaai97 
Chem 225
Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use equilibrium constant of 4.2 for this calculation.
asked by DeeDee 
algebra
the floor plan of a room has a scale of 2.5 in.:32ft. in the drawing,the length of the room is 8in.and the width of the room is 6 in. what is the perimeter of the actual room? i think is 392 ft or help
asked by pizza7 
Math
What is the Distributive Property?
asked by Grace 
Physical Science
If a skydiver has a forward velocity of 40 m/s, what is the forward velocity after one second? What is the downward velocity after one second?
asked by Robert 
math
The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities?
asked by kj 
Logarithm help
use logarithm to solve A car depreciated at 15% per year. How long is it until it is worth half the original value?
asked by Bobby Funtimes 
phyisics
A car travels 28 m [E 35° S] and then turns and travels 45 m [S]. the whole motion takes 6.9s. what is average velocity? answer: 9.5m/s [E 69° S] How do i find the displacement to find V if its not a right triangle
asked by Matty 
History
Could someone check my History questions? Please? My answers are under the questions... 1) Base your answer to the question on the statement below and on your knowledge of social studies. … The whole military force of the State is at the service of a Mr.
asked by Abby 
Math
1. Is the equation true, false, or open? 5x+2=6x+11 a. Open; there is a variable b. True; the expressions are the same for all values of the variables c. False; the expressions are never the same 2. Which equation is an identity? a. 8(5x+2)=5x6 b.
asked by Shaghayegh 
Physics
A girl delivering newspapers travels 3 blocks west, 3 blocks north, then 6 blocks east. What is the magnitude of her resultant displacement? Answer in units of blocks.
asked by Luma 
Calculus
The altitude attained by a model rocket t seconds into flight is given by the equation: t^3+3t^2+20t3 where t is greater than or equal to 0 seconds. find the maximum altitude attained by the rocket. first I found the derivative of the original equation
asked by Michelle 
Math
During a soccer game, Erin scorded 1 out of 2 goals attempted. Lauren scored 6 out of 8 goals attempted. write the fraction that represents each and compare who was the most successful I think it was lauren because Erin only hit half and Laurn hit more
asked by AABBCC 
Chemistry
When 22.3 mL of 1.00 M AgNO3 is mixed with 21.7 mL of 1.50 M NaCl, the temperature of the mixture rises for 21.6 degrees C to 29.7 degrees C. The mass of the aqueous mixture is 45.9 grams and its specific heat capacity is 3.94 J/grams degrees C. I
asked by Sarah 
Physics
A car traveling at 40 m/s runs out of gas while traveling up a 7.0 ∘ slope How far will it coast before starting to roll back down?
asked by raquel 
English
What is your opinion on the article by Andrew Lam; They Shut the Door on My Grandmother.
asked by jennifer 
Chemistry
Tums tablets contain CaCO3 that reacts with stomach acid as follows: CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g) Suppose the tablet was analyzed by adding 50.00 mL of 0.200 M HCl, which resulted in leftover excess HCl. The excess HCl was
asked by CHIPNDALE 
Physics
Identical +2.83 μC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total potential at the remaining empty corner is 0 V? φ =k•q/r φ1+ φ2 + φ3 =0
asked by james 
Math PreAlgebra HELP
1. Point E (0,2) is a vertex of square DEFG. After a 90° clockwise rotation of the square about the origin, which of the following is the location of E ? A) (2,0) B) (2,0) C) (2,2) D) (0,2) 2. Point is a vertex of triangle D(3,5). After a rotation of
asked by my name is A 
Chemistry
What volume of 0.149 M HCl must be added to 1.00x10^2 mL of 0.285 M HCl so that the resulting solution has a molarity of 0.205 M? Assume that the volumes are additive.
asked by Faith 
Physics
A 60 kg is pushed 12m across a horizontal floor by a horizontal force of 200N. The coefficient of kinetic friction is 0.3. How much work went into overcoming friction and how much work went into accelerating the box.
asked by Ali 
Science
A hypothetical element has two main isotopes with mass numbers of 56 and 59. If 61.00% of the isotopes have a mass number of 56 amu, what atomic weight should be listed on the periodic table for this element?
asked by Sarah 
Physics
Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration a=−4.0m/s2.?
asked by Kelly 
functions and trig
write the transformation of X cubed if it is shifted right four units and then reflected over the X axis
asked by sarah 
st joseph
show that the circle x^2+y^26x+4y+2=0 and x^2+y^2+8x+2y22=0 are orthogonal
asked by kamau 
English grammar
The sky is blue after a heavy rain or the sky is bluer after a heavy rain . Which one is correc
asked by nusrat 
Montwood Middle school
What is 4/3,0.09,1.3,85%,3/8 ordered like in ascending order?
asked by Ashley 
Math
Solve the following equation u+2=4 The question for me is how do I solve these types of problem. I already know that u=2, but I need to know the steps to get to the answer. Thanks, Kaai97
asked by Kaai97 
physics
A 56kg rollerblader skates across a skating rink floor. The graph below shows the net external force component F cos è along the displacement as a function of the magnitude of the displacement d. Determine the Following: (a) work done by the net force
asked by John 
Chemistry
Imagine that you have a 7.00 L gas tank and a 4.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 136 bar , to what
asked by Emily 
Physics
An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is onehalf the size of the object. The distance between the object and the image is 95 cm. (a) How far from
asked by Anonymous 
Health
It is better for you to avoid intence felling of grief. True or false. I believe it is True
asked by China one 
Math
Which equation is an identity? a. 8(5x+2)=5x6 b. 7z+10z=8z2(z5) c. 8m4=5m+8m d. 6y+5=6y5
asked by Kaai97 
Math
Simplify the expression 9 + 10h + 5h = 0 Please show steps
asked by Jason 
Chemistry
A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperaturetime reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4
asked by Lisa 
Science  Physics
Find the xcomponent of vector v⃗ = (310 m/s , 45 ∘ above +xaxis).
asked by Shiv 
Math
What is the distributive property of (5*600)+(5*400)?
asked by Grace 
math
A car can travel 436 miles on 17 gallons of gas. How far can it go on 22 gallons of gas?
asked by lee 
Physics
Tammy leaves the office, drives 21 Km due north, then turns onto a second highway and continues in a direction of 31 degree north of east for 87 Km. What is her total displacement from the office? Answer in units of Km.
asked by Luma 
Multicultural Psychology
“I do exercise but the result is not satisfactory to me although I followed a good diet, exercise routine, etc. What could be the reason?” This is what form of reasoning? A. Empirical reasoning B. Motivation C. Informal reasoning D. Formal reasoning
asked by Pat 
Math
What is the result if you multiply a number of cups by 8 fluid ounces over 1 cup and then multiply the result by 1 cup over 8 fluid ounces?Give an example.
asked by Destiny 
Louisiana History
Please help!!! 1. What set the steamboat apart from the flatboat and the keelboat? a) The steamboat was inexpensive to build. b) The steamboat could go back upriver with ease.*** c) The steamboat has a slow and easy ride. d) The steamboat could only
asked by Jessica 
Physics
A particle rotates in a circle with centripetal acceleration a = 8.8 m/s2 . What is a if the radius is doubled without changing the particle's speed? What is a if the speed is doubled without changing the circle's radius?
asked by Shiv 
Physics
Can anyone help me here? I have no idea where to start! Light in a vacuum is incident on a transparent glass slab. The angle of incidence is 35.1°. The slab is then immersed in a pool of liquid. When the angle of incidence for the light striking the slab
asked by Anonymous 
math
For every boy taking classes at the music school , there are 3 girls who are taking classes at the school . if there are 128 students taking classes , write and solve a proportion to predict the number of girls taking classes at the school
asked by kimberly 
Physics
A pelican flying along a horizontal path drops a fish from a height of 3.3 m. The fish travels 8.2 m horizontally before it hits the water below. What was the pelican's initial speed? The acceleration of gravity is 9.81 m/s^. Answer in units of m/s. If the
asked by Luma 
Physics
One of the fastest recorded pitches in majorleague baseball, thrown by Nolan Ryan in 1974, was clocked at 96.8 mi/h. The acceleration of gravity is 32 ft/s^. If a pitch were thrown horizontally witha velocity of 96.8 mi/h, how far would the ball fall
asked by Luma 
chem
A 1.27g sample of a mixture of AgNO3 and NaNO3 is treated with excess Na2S(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 0.46 g. What is the percentage by mass of NaNO3 in the original mixture?
asked by martha 
NON PROFIT ACCTNG
Three accountants started talking about hospitals. One said he was treated at a notforprofit hospital, another said she was treated at a county hospital, and the third said he had just returned from the hospital run by the U.S. Veterans Administration.
asked by Anonymous 
PHYSICS
A car travels at a constant speed around a circular track whose radius is 2.82 km. The car goes once around the track in 364 s. What is the magnitude of the centripetal acceleration of the car?
asked by Anonymous 
Chemistry
A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperaturetime reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4
asked by Lisa 
Multi Cultural Psychology
Nathan is a type of learner where he can discuss what he knows about a topic, predict content, or look at and listen to related material. This is a reflection of what type of learner? A. Formal reasoning B. Fielddependent style C. Nativist view D.
asked by Pat 
College Algebra
A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 70 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 55 mph. At what time will the trains meet? (Round to the nearest minute.)
asked by Sarah 
Computer litericy
where did the internet originate?
asked by Sidney 
math
6f below zero it went 13f above zero how many degree f did temperature rise
asked by Beatrice 
math
two pair of shoes and four pairs of sock cost 109,and three pairs of shoes and five pairs of socks cost 160 .Find the cost of pair of the sock
asked by radilyn 
physics
A container holds 1.9 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 8.0x103 kg bullet with a speed of 960 m/s. What is the Kelvin temperature of the gas? do I use the formula? T=
asked by james 
math
A ball is dropped from the roof a building which is 256 m high. The height h of the ball at any instant t is described by h(t) = – 16t2 + 256 Find i) Instantaneous velocity of ball at t = 3 seconds ii) The time taken by ball to reach the ground level.
asked by malik 
Mabel hill, physics
Two force,3N and 4N act on a body in the direction due north and east respectively. Calculate their equilibrium?
asked by Gift 
College Algebra
The monthly cost in dollars from producing x units of an item is given by the cost function C(x)=2x^2160x+18400. How many units will result in the minimum cost? I do not know how to start this problem. Thank you for your help!
asked by Hannah 
U.S. History
How did Americans' opinions on overseas expansion begin to change in the 1800s?
asked by Victoria 
Math
Translate two thirds of the sum of r and 9 plus the product of 8and s
asked by Hannah 
Math
Parking in a student lot cost $2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $8.00.
asked by Susan 
AP Chem
Hey guys! Thanks for any help in advance! I'm back with this problem: Calculate the percent dissociation for a 1.00 × 106 M solution of HCN at 25 °C. Ka = 4.90 × 1010. So my question really is do I have to use water when I calculate the percent
asked by Allie 
Math
Biruk wants to buy a book for $15.25 and a book for $4.85. He wants to pay with one $20.00 bill. Use estimation to decide whether this is reasonable or not. Explain what place value to round for an estimate this is useful in this situation.
asked by Grace 
chemistry
how much oxygen gas wil be produce from the decomosition of 50 grams of pottasium chlorate
asked by JC 
5th grade Math
Is the Distributive Property of (5*600)+(5*400) (600+400)5? I'm not really sure...please help...
asked by Grace 
Math
a gift store owner used 9 rolls of wrapping paper to wrap his customers' gifts last week. each roll was 58 1/3 inches long. how many gifts did he wrap if a 8 1/3 inch long piece of wrapping paper was used to wrap each gift?
asked by Nicole 
Math
Height of a Projectile. The height of a projectile is described by the equation: s(t)=144t16t^(2) Where t is in seconds and s(t) is the height of the projectile at time t. Find when the projectile hits the ground.
asked by Ashley 
math
is X cubed symmetric about the xaxis, Y axis, the origin, or none?
asked by danielle 
Physics
A bird wants to rech its nest that is located 53 meters (35 degrees south of west) from where it is perched. If the maximum speed that the bird can fly with respect to the air is 12m/s and there is a wind blowing from a direction of east 35 degrees south
asked by Carla 
math101
Solve for x. The solutions in interval notation are of the form (a, b). State a. (Enter an exact number.) abs(3 x + 15) < 30
asked by janae 
math
Find the zscore such that the area under the standard normal curve to the left is 0.53.
asked by bee 
Physics
A body moving with uniform acceleration has a velocity of 16.9 cm/s when its x coordinate is 3.1 cm. If its x coordinate 3.18 s later is 4.72 cm, what is the xcomponent of its acceleration?
asked by Destiny 
urgent physics help
when the full moon directly overhead the angle from one edge of the moon to the other is measured to be 0.6970 if the diameter of the moon is 3650 km how far is it from the moon
asked by Anonyomous 
Algebra 2
How would I go about solving the following problem? There were different questions with matrices in them, but this one was different from the others. For the matrix product [ 5 , 3 ][ 6 , 3 ] p = [ 2 , 2 ][ 4 , 3 ], determine the expression that gives
asked by Michaela 
Physics
A fireman, 43.7 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 31.3 degree above the horizontal. If the speed of the stream as it leaves the hose is 44.1 m/s, at what height will the stream of
asked by Luma 
history
the Continental Army and blank were no match against the large number of British soldiers who landed on blank
asked by donna 
Chemistry
I am told to find the "Total heat capacity of the system in the Calorimeter" All I have is this equation: Csys=Ccal+Csol What is this Csys? and how do I figure out how to use this equation? Thankyou
asked by Adam 
Math
/  fraction sign, not a division sign Solve the following equation 4=7/33x a. x=132/7 b. x=132/7 c. x=7/132 d. 33/28
asked by Kaai97 
Algebra 2
Solve each system 6x2y=10 3x2=y
asked by Sam 
math
find tha equation of a line which is parallel to the line 2x3y=8 whose yintercept is 5 units
asked by slopes 
University of Papua New Guinea
Give equations with reaction conditions to show direct esterification methods for the production of A) isopropyl butanoate B) ethyl 2methylpropanoate
asked by Esther 
chem
Please give the complete mechanism for the acid catalyzed addition of methanol to 3  methylbutene
asked by jose 
Physics
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 108 Ù·m). The light bulb is plugged into a 120V outlet and draws a current of 2.36 A. If the radius of the tungsten wire is 0.00464 mm, how long must the wire be?
asked by james check please 
gov Ms.Sue
Under which condition would a plurality vote result in the winner receiving less than a majority of the votes cast (i.e. less than 50% of the votes cast)? Choices: Never, Always, When there are only 2 candidates, when there are more than 2 candidates. Is
asked by Adam 
physics help
The distance between the midponts of two metal balls.P and Q,respectively of masses 55 kg and 70 kg is 80 cm calculate the gravitational force that P exerts on Q7 (b)give only the magnitude of the force that Q exerts on P (c)if Q Is now replaced by a ball
asked by kem 
Math 208 (Linear)
a person purchased a $142,819 home 10 years ago by paying 15% down and signing a 30year mortgage at 10.5% compounded monthly. Interest rates have dropped and the owner wants to refinance the upaid balance by signing a new 15year mortgage at 6.3%
asked by James 
History
Could someone check my History questions? Please? My answers are under the questions... 1) Base your answer to the question on the statement below and on your knowledge of social studies. … The whole military force of the State is at the service of a Mr.
asked by Abby 
8th grade prealgebra
Can you check the following questions,please? Simplify 30. (2y)^0/(3x^2)^3 = 1/(3^3)(x^6) = 1/27x^6 = 27x^6 42. (7x^5/14y^3)^3 = (1^3)(x^15)/(2^3)(y^9) = (1x^15)/8y^9
asked by Alexis 
Physics
What is the magnitude of the vertical component of velocity of the plane? Answer in units Km/h
asked by Luma 
English
I am looking for help. I have read this article on They Shut the door on My Grandmother; By Andrew Lam
asked by jennifer 
math
Find the absolute maximum and the absolute minimum value, if any of: f(x)= (1x^2/8)+4x+3 on the interval (0,9)
asked by Michelle 
Physics
An artillery shell is fired at an angle of 26.8 degree above the horizontal ground with an initial speed of 1720 m/s. The acceleration of gravity is 9.8 m/s^. Find the total time of flight of the shell, neglecting air resistance. Answer in units of min.
asked by Luma 
Physics
An autographed baseball rolls off of a 0.59 m high desk and strikes the floor 0.10 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.81 m/s^ Answer in units of m/s.
asked by Luma 
Maths
Coordinate Geometry A=(7,4) B=(2,0) Gradient of AB = 4/5 Equation of AB in ax+by=0 for is 4x5y8=0. The length of AB in surd form is root41. The point C has coordinates (2,t), where t>0 and AC=AB. a) find the value of t. b) without plotting point, find
asked by Anonymous 
isds
The optimal total shipping cost in a minimization transportation model is $622, and the reduced cost from source node 1 to destination node 6 is $6. This implies that if one were to deviate from the optimal solution by shipping one unit from node 1 to node
asked by mca 
gov
How many votes does each state have in the Electoral College? is equal to number of members the state has in congress Just checking if this is correct.
asked by Adam 
Physics
An Object moves along xaxis such that its position varies with time according to the relation x=50t5t^2.Here x is in meters and t in seconds.Average Speed between t=0 to t=6s.
asked by Jeet Shah 
Math
Vehicle can travel 060mph in 7.6 sec. From a dead stop, what is the highest rate of speed vehicle can reach and decelerate to 10mph in 500 ft distance?
asked by Robin 
math
the coordinate (2 4) is located in which quadrant in the coordinate plane
asked by brooke 
science
I have an essay about landforms on Friday what are some ideas?
asked by Derick 
anonymous
In a class 80% students passed in sst ,85% in math ;75%in both subjects .if 40%students failed in both subjects .tell total number of students
asked by Anonymous 
daffodils grammar school
Math The mass of 3dictionaries and 2textbook is 8kg
asked by alihaider 
Physics
A truck travels beneath an airplane that is moving 140 Km/h at an angle of 15 degree to the ground. How fast must the truck travel to stay beneath the airplane? Answer in units of Km/h.
asked by Luma 
modern geometry
Construct the locus of all points (in one half plane) from which the given segment (that you draw) is seen by: a. 120 degrees b. 105 degree I've tried following steps in my textbook but I'm struggling.
asked by haley 
SS
What does it mean for citizens to exercise political power?
asked by Anonymous 
Math
Find the absolute maximum and the absolute minimum value, if any of: f(x)= 1x^2/8+4x+3 on the interval (0,9)
asked by Michelle 
History
Which of the following would not be an example of a vectored disease? A. HIV/AIDS has ravished many people in Sub Sahara Africa B. Malaria has affected many people in Southeast Asia C. Yellow Fever has destroyed the lives of many people in the Caribbean D.
asked by Anonymous 
algebra 2
what is the domain in interval notation when the restrictions are x cannot = 2 and x cannot = 2? I got (infinity, 2) U (2,infinity) (infinity, 2) U (2, infinity) but my math teacher marked this as wrong
asked by marcus 
Enlish
Which rhetorical device would it be if the author is trying to show hope for the audience by showing a nice sky in the background.
asked by Adam 
Physics
A 64kg boy and a 49kg girl use an elastic rope while engaged in a tugofwar on an icy frictionless surface. If the acceleration of the girl toward the boy is 3.8 m/s2, determine the magnitude of the acceleration of the boy toward the girl.
asked by Chuck 
Math
1 over 8 to the 9th power
asked by Student 1 
Forest nrook
I have tiles that Re 1 inch by 1 inch squares. If I use them toale rectangle that is 16" long and 6" wide, how any tiles will she use?
asked by Bubba 
Physics
An Object of mass 7 kg is pushed along a surface up to a velocity of + 10 m/s before it is let go. It then slows to a stop due to an 11N frictional force. How long until it comes to a stop?
asked by Erin 
Math
Aba +bab ______ Ccc All posible values for a b and c
asked by Sydney 
business econ
What is the break even in units? Bottle, Label and Production (direct material and labor) = $9.12 per 12 oz. can Advertising & promotion (fixed) = $218,000 Company Overhead (fixed) = $354,000 Formula I'm using: Breakeven in units (BEU)= total fixed cost /
asked by Kelly 
physics
A 25kg bullet traveling shoots into a physics textbook that is 3.5 cm wide, and exits the textbook traveling 40 m/s. Poor defenseless textbook! (A) What was the magnitude of the average deceleration of the bullet while it was penetrating through the
asked by Tiara 
Math
1.)What is the difference between I3I & 3?
asked by Douglas 
chemistry
what does this mean: is (a molecule) sigma or pi in symmetry? the molecule in question is c triple bond c. ....it has 2 pi bonds and 1 sigma bond....which is symmetrical?
asked by paul 
Physics
A spy in a speed boat is being chased down a river by government, officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.8 m waterfall. The spy's speed is 13 m/s and the officials' speed
asked by Luma 
Physics
A baseball is hit off the edge of a cliff horizontally at a speed of 30 m/s. It takes the ball 3 seconds to reach the ground, with no air resistance. How high is the cliff wall?
asked by Francesca 
math
Could someone please show me what I did worng in my math questions? any help will be greatly appreciated! I put my teachers response under the questions 4. Solve: 52x + 1  = 55 Divide both side by 5: 2x+1=11 2x+1=11 and 2x+1= 1 +1 +1 +1 +1 2x = 12 2x
asked by Abby 
History
What are the positive effects that industrialization had on the people of Europe?
asked by Daniela 
Math
Which equation has no solution? a. 3x5=3x+8x b. 4y+5=4y6 c. 7z+6=7z5
asked by Kaai97 
English
is it possible to use was after did?
asked by Rabinprakash Dahal 
Math
How can Steve add 48+34 by making a ten what is the sum
asked by Anonymous 
Chemistry
1.how many total oribitals are present in quantum #1 2. How many electrons are possible in quantum level 1 3. How many total or initials are present in quantum level 3
asked by Sam 
geography
Horace Greeley said to go in this direction from this latitude line 85 degrees West, Go 136 feet
asked by Tonya 
math
Rebecca has a lanyard that is 16.4 inches long. She cuts the lanyard in 3.5 inch pieces. How many whole pieces did she cut?
asked by Jaime 
present and past perticiple
The lion basking in the sun looked sleepy
asked by annie 
present participle or past participle
1. the baking bread looked delicious. 2. devoted soccer fans are looking forward to the season. 3. frozen blue berries are his favourite desert. 4. walking slowly the dog stretched his legs. 5. examined by a doctor, his wound will heal soon
asked by annie 
Chemistry
What is the pH of a 0.0050 M solution of sodium fluoride? I got 7.58 for pH. Is it correct? but I try to plug in my quadratic formula, I don't get the pH 7.58. I'm really confuse. Please help.
asked by Matt 
Physics
A 1300 kg El Camino is parked on a 20 degree hill.(20 degrees above x axis)The driver of the El Camino returns, starts the car, and accelerates up the hill at 2 m/s^2. Find SigmaFx and SigmaFy. What is the normal Force acting on the car, and what is the
asked by Jose Luis 
MATH
Find the average rate of change of f(x)=2x2−7 between each of the pairs of points below. Between (3,11) and (6,65) Between (b,m) and (s,u) Between (x, f(x)) and (x+h, f(x+h))
asked by Mary 
Math
Find two consecutive even integers such that the sum of the larger and 3 times the smaller is 234. I don't get how to put it as in equation.
asked by Ally 
math 3 grade
dad ask what you know about patterns when you multiply by ten. write to explain the pattern , how to use it, and how to know you were right. Use your age as one factor and 10 as other factor
asked by tamm 
applied mechanics
The resultant of two equal forces acting at a point also equal to p determine the angle between two forces
asked by kathan 
math functions
what is f(x)  g(x) when f(x)=3x3 and g(x)=x^24
asked by anne 
English Grammar (cover letter)
Is it all right to use the two verb tenses in the following sentence when writing a cover letter? I developed communication skills as an Assistant at Oakly Inc., catering to the needs of my supervisor and assisting at the front desk.
asked by Rema 
math
For every 3 classes in the intermediate grades, there are 5 teachers. How many teachers are there for 15 classes.
asked by franz 
Math
A, find domain each function, locate any intercept, also based on graph find the range and ? F(x) 2x of x not equal to zero
asked by Abel 
statistics
a bag contains 10 red balls and 7 blue balls.a ball is drawn at random.the probability that ball drawn is red is
asked by ahsan 
math
Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length of
asked by Abby 
Algebra 2
Solve each system 6x2y=10 3x2=y
asked by Sam 
math
Suppose I have 8 coins.4 of them have heads on both sides and the other 4 have tails on both sides. I reach in and get 4 coins at one time. What's the probability that I get 2 head coins and 2 tails? Well I was thinking that it would be 1/2 since both
asked by nyiema 
Chemistry
1. what reaction take place when water is passed through anion exchange resin ? 2. how much na2co3 or salked lime should be added to completely 300cm^3 of 2percent cacl2 solution ?
asked by Saszuuu 
Prealgebra
In which quadrant is the graph of (2,5) located?
asked by Angelia 
Logarithm help
Find the domain of the given function f(x) = log(2x)
asked by Bobby Funtimes 
physics
WHat is the displacement of a car that starts at 10m/s east and accelerates at 3m/s west for 2s
asked by jolie 
math
does a horizontal line represent function?
asked by brooke