Questions Asked on
January 16, 2017

Algebra
The length of shadow of a building is 28m. The distance from the top of the building to the tip of the shadow is 36m. Find the height of the building
asked by Jacqueline a Sanders 
Math
If the 15th and 16th term of an arithmetic sequence are 99 and 92 respectively then the 5th term is? Studying for math final and I cannot figure this out
asked by chris 
Math (misleading graphs) (Statistics)
When constructing a graph showing the population of two countries, an illustrator draws two different people with heights proportional to the populations. Identify a way in which the graph might be misleading. What is the general name for such graphs
asked by Ray 
Algebra
In 1972 federal vehicle emission standards allowed 3.4 hydrocarbons released per mile driven. By 2007 the standards allowed only 0.8 hydrocarbons per mile driven. What was the rate of change from 1972 to 2007?
asked by Becky 
College Math  Quantitative Reasoning
Hello, I could really use some help with this problem. If the national economy shrank at an annual rate of 7% per year for three consecutive years, then the economy shrank by 21% over the threeyear period.  Of course, I understand 7% would be
asked by Emily 
math;);)
The diameter of a spherical grapefruit is 6.0 inches. An amateur fruit slicer misses its center by one inch. What is the radius of the circular slice?
asked by Anonymous 
Algebra 2
The point (4, 1) is a solution to which of the following systems of inequalities? a. y < 3x  1 and y > x + 1 b. y > 3x  1 and y > x + 1 c. y > 3x  1 and y < x + 1 d. y < 3x  1 and y < x + 1 I'm very confused:( I don't know how to solve this. Please
asked by Fading 
history
what factors led to rapid growth of islam following muhammads death,despite early internal conflicts between sunni and shia(has to be well explained)
asked by gracelynn2938 
calculus
Find the values for the following functions. If f(x)=2^x, show that f(x+3) f (x1)=15/2f(x) If G(x)= sin 2x, find G(0),G(1/4 pie),and G(7/8 pie)
asked by jacob 
Language Arts
How do I start a compare and contrast essay? I am doing a compare & contrast essay on Tatooine and Mordor and i'm not sure what to put in the first sentence. Could I please have some ideas or examples? Thanks.
asked by Sherlock 
math
The table shows the position of a cyclist. t (seconds) 0 1 2 3 4 5 s (meters) 0 1.4 5.4 10.8 17.4 24.6 (a) Find the average velocity for each time period. (i) [1, 3] 4.45 Incorrect: Your answer is incorrect. m/s (ii) [2, 3] 5.5 Incorrect: Your answer is
asked by warood 
Math
It takes 2 hours to travel 30 miles by bike.how long will it take to travel 105 miles?
asked by Liz 
Science
What are some ideas for experiments on a dripping faucet?
asked by Anonymous 
trigonometry
from a window 30ft above the ground, the angle of elevation to the top of the building across the street is 50° and the angle of depression to the base of the building is 20° find the height of the building across the street
asked by Julyn 
math
A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? is it 1/7 or 1/6?
asked by Maya 
Math
How do you solve 6x + 12 + 2cosx = 0?
asked by Anonymous 
Math
For events A and B it is known that p(A)=p(B) , p(A{intersection} B)=0.1 and p(A{union}B)=0.7 find p(A')?
asked by Ann 
Social Studies
Where do most people in Arabia and Iraq live? A. In the Fertile Crescent B. in the Rub, alKhali C. In cities*** D. in and around mecca Which of the following circumstances poses the greatest benefit and challenge to economies in the region? A. lack of
asked by Amari 
math
if n veries inversely as (y^21) and is equal to 24,when y=10. then find the value of n, when y=5
asked by Anonymous 
Math
A outdoor swimming pool is 3.0 m wide and 10.0 m long. If the weekly evaporation is 4.0 cm, how many laters of water must be added to the pool weekly if it does not rain.????
asked by Kathy 
maths/physics help
A skate dancer spins about a vertical axis at 1rev/s with arms out Stretched.with her arms folded,her moment of inertia about the vertical axis decreased by 60%,Calculate the rate of revolution... Plz show step
asked by putman 
mystery
Mario’s Pizzeria bakes olive pieces in the outer crust of its 20inch (diameter) pizza. There is at least one olive piece per inch of crust. How many olive pieces will you get in one slice of pizza? Assume the pizza is cut into eight slices.
asked by mystery 
mental arithmetic
7/20 of £2.00 equals how many pennies? 16 2/3 equal ?/3 19min plus ?hours plus ?min equals 3hours thank u to all who help :D
asked by mackenzie 
geo
A outdoor swimming pool is 3.0 m wide and 10.0 m long. If the weekly evaporation is 4.0 cm, how many laters of water must be added to the pool weekly if it does not rain.???
asked by Kathy 
maths trigonometry
Expand the following using compound angle formulae Sin(mn) Cos(p55)
asked by amanda 
Math
Two guy wires are attached to a cell tower. The first one is 15 ft long and at an angle of elevation on the ground of 55 degrees. The second wire is 22 ft long an angle of elevation on the ground of 63 degrees. Both wires secured same location on ground.
asked by Brenda 
Math
Airport control tower measures the distance to one plane taken off at 500m and distance to second plane coming for a landing at 1050m. If the angle between the lines of observation on radar screen is 86 degrees> how far apart are the two planes?
asked by Colin 
Algebra 2
You have $3.20 in quarters and dimes. You gave four fewer quarters than dimes. What is the equation for this? They also want me to then answer in augmented matrix form, but I can do that easily, I just need the equation since I just get really mixed up
asked by Fading 
Math
45 Over 180 *360
asked by valerie 
Algebra 6
3x+2y2x+2=3x2x+2y+2
asked by Brenda 
math
the battery lifetime is normally distributed for large samples with a standard deviation of 70 days. if 16% of the batteries have a lifetime of 850 or higher, what is the average battery life?
asked by courtney 
AP ENGLish
Many plays and novels use contrasting places (for example, two countries, two cities or towns, two houses, or the land and the sea) to represent opposed forces or ideas that are central to the meaning of the work. Explain this contrast within the play,
asked by Alyssa 
Reading
The Finish of Patsy Barnes Why does the doctor speak to Eliza Barnes in an unfeeling way?
asked by Anonymous 
Vectors
Write a second symmetric equation for the following line, given the point on the line A(0, 5, 1/2) (x2)/4= (y4)/2 = z Would it not be x/4 = (x5)/2 = z+1/2
asked by Ryan 
Biology
2 g of glycine (C2H5NO2) are dissolved in water to a total volume of 3 L. What is the concentration of the glycine solution in M? Round answers to two significant figures.
asked by Tori 
literature
Can you please help me with this; what's the figures of speech found in the poem 'the pulley' minimum of five (5)
asked by Bilkisu 
math
Here is the question: a ball is dropped from a height of 3m and bounces on the ground . At the top of each bounce, the ball eaches 60% of its previous height. Calculate the total distance travelled by the ball when it hits the ground for the fifth time? I
asked by zach 
Algebra
For the school play, one adult ticket costs $10 and one student ticket cost $6. Twice as many student tickets as adult tickets were sold. The total receipts were $3 300. How many of each kind of ticket were sold?
asked by Courtney 
Calculus
I would like to know if my answers are correct: Disclaimer: We are allowed to keep our answers in formula form 1. Use the washer method to find the volume of the solid that is generated by rotating the plane region bounded by y=x^2 and y = 2x^2 about the
asked by Daisy 
Science
Female mouse has black fur(homozygous) ,male has white fur(homozygous). State their offspring’s fur color.(black color is dominant, white is recessive)
asked by Amina 
Math
Kay wants to know the length of large pond on property. One stake is at 50m with an angle of 21 degrees. The 65m from the other end of the lake and the angle is 26 degrees. How long is pond?
asked by Stephanie 
math sets
out of 320 students at a university,190 taking math,235 taking chemistry and 120 taking physics.125 are taking both chemistry and math,95 taking both chemistry AND PHYSIC,55 TAKING BOTH MATH AND PHYSICS.HOW MANY ARE TAKING ALL THE THREE SUBJECTS
asked by kelvin 
English
It doesn't make me really happy.  okay It doesn't make me real happiness?  wrong It doesn't give me real happiness.  okay Why I need to use give on the third sentence and not make to make my sentence correct? Both make and give are verb...but why give?
asked by Sophie 
Chemistry
Assume that 5.00 grams of zinc react with excess HCl according to the following equation: Zn + 2HCl = ZnCl2 + H2 The hydrogen was collected over water at 20.0C and the prssure of the atmosphere is 751 mmHg. The pressure of the water vapor at 20C is 17.5
asked by Michael 
Math
a rectangle of board measures 21 m by 70 cm. Circular plates are to be cut from the board of diameter 14 cm. how many plates and board is left
asked by Tanya 
math
Enzo is 7 years younger than Ezra.Five years later,Ezra will be twice as old as Enzo.Find their present ages
asked by bea 
Math
a rectangle of board measures 21 m by 70 cm. Circular plates are to be cut from the board of diameter 14 cm. how many plates and board is left
asked by Anonymous 
what happen i need an answer
these isnt fair at all i wanted to post a question but it just wont go and then i made a request to know why and my post was deleted is these what jishka is made up?,these is not the first time that these is happening to me
asked by ..... 
Civic Education
Mention ten human right, and their limitation.
asked by Omole Kehinde 
Math
8ax+4b = 4cx+d
asked by Safina Hashim 
Math
A triangle has an angle that measures 105°. The other two angles are in a ratio of 7:8. What are the measures of those two angles?
asked by Gurwala 
health and physical education
Using the excitement of violence to keep video games users to playing their games is an example of which risk factor? A. poverty B. family violence C. media violence D. availability of weapons
asked by Anonymous 
Math
Nick pulled pizza out of the oven and cut it into four equivalent pieces he ate two of them.His sister came in and cut one of the remaining pieces into three smaller equivalent pieces she ate two of the small pieces .what fraction of the pizza did each of
asked by Deha 
Math
A force act on a body for 0•5sec and changes its momentum from 16kg. Calculate the 1magnitude of the force 2impulse on the ball
asked by Lubnah 
Math
find f'(x) find the slope of the graph of f a x=2 and x=4 find the equations of the tangent lines at x=2 and x=4 and find the value(s) of x where the tangent line is horizontal. f(x)=2x^2+8x I found that f'(x)=4x+8 and that the slopes were 16 and 24 and
asked by John 
9th grade algebra (sequences)
Can you check my homework please? Given the following representations, tell whether it's arithmetic/geometric, find the difference/ratio, find the explicit formula, find the recursive formula, and the given term. (This whole question was in the form of a
asked by Alexis 
Math
Susie spent 4 1/4 hours on Monday and 3 5/8 hours on Tuesday working on a history project. About how long did she spend working on the project?
asked by Mary 
Vector Calculus
Can someone help me with this please. A vector field in cylindrical polar coordinates is given by V = R Rˆ + R 3 s i n ( φ ) c o s ( φ ) φˆ + 3 z kˆ where Rˆ, φˆ, kˆ are the appropriate unit vectors. Translate this vector field into the
asked by Ariana 
Math
If the shadow of a 45 foot building is 60 feet long what time of day is it?
asked by Lola 
maths
make a spinner with 2 colours. make it so that when the pointer is spun,the probability of landing on black is zero
asked by venus 
Math
Suppose that the domain of discourse is the set {2, 1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, Λ. (a) ∃x P(x) (b) ∀x P(x) (c) ∃ ¬P(x) (d) ∀ ¬P(x) (e) ¬∃ P(x) (f) ¬∀ P(x)
asked by Winston 
Science
If T represents the allele for tall pea plants and t represents the allele for short pea plants, what is the phenotype of each parent and of the offspring?
asked by John Cena 
Math
Color pencils are six dollars and the discount rate is 5% find the price of each product after a discount is applied
asked by Olivia 
Math
Fruit smoothie five dollars coupon for 40% off find the price of each product after a discount is applied
asked by Olivia 
Chem
Is there any methods which could help me identify what ion is present in water? And also what is a filtration method that could remove the ion, i am aware of coffee and britta filter already
asked by Holfbrincl 
Maths probability
Records show that 8% of blood samples tested for a certain condition test positive. Assuming that whether or not a blood sample tests positive is independent of whether or not any other blood sample tests positive, calculate by hand the following
asked by Tanisha 
Biology
what is the definition of respiration?
asked by lopiah 
calculus
Find the domain of the variable x for which the following equations determine y as a real function of x. If G(x)= sin 2x, find G(0),G(1/4 pie),and G(7/8 pie) can someone help me please!
asked by jacob 
Health
28. Referrals for mental health services should be made when A. the problems have persisted for several weeks to months. B. the situation is steadily improving. C. support and interventions are showing definite signs of helping. D. there's insufficient
asked by mw 
maths
In apair of suplementry angles one is three and a half times the other find measurement
asked by Anonymous 
Algebra
y/5+y3/2=7
asked by Rajat 
physics
The mass of the Earth is 5.98 × 1024 kg. A 6.83 kg bowling ball initially at rest is dropped from a height of 2.12 m. The acceleration of gravity is 9.8 m/s^2. What is the speed of the Earth coming up to meet the ball just before the ball hits the ground?
asked by Jazz 
Calculus
I would like to make sure my answer is correct: Question: the base of a solid is the triangular region with the vertices (0,0), (2,0), and (0,4). Cross sections perpendicular to the xaxis are semicircles. Find the volume of this solid. My Work: ∫[0,2]
asked by Rose 
science
A(n) 0.463 kg soccer ball approaches a player horizontally with a speed of 24.4 m/s. The player illegally strikes the ball with her hand and causes it to move in the opposite direction with a speed of 16.2 m/s. What is the magnitude of the impulse
asked by Ian 
Ernst
How many moles of H are there in 8.9 moles of C4H8O2?
asked by Ricardo 
Chemistry
How many moles of Cl ions are there in 8.5 moles of CaCl2 ?
asked by Ricardo 
6th grade alg
THe question asks to find 3 different ways to write each (value) and exponent. I know how to write the exponent, but I need help with the number which is 81. Can someone help
asked by Asheli 
History
after the Dred scott decision, Frederick Douglass said he sought to have americans live up to the principles of the constitution. What did he believe prevented americans from living up to the constitution? A. manifest destiny B. abolition
asked by Help! Mrs Sue. Steve? 
math
In what time will $800 amount to $860 @ 3 3/4% simple interest? I=860800
asked by ann 
math
225:15[60:310+18:(97)14+11] simplify
asked by yubraj 
physics
a 5cm bulet move 500ms^1 Penetrates 5cm wood and stop find time of stop
asked by Sazirul 
MATH
triangle PQR has vertices p(3,5),q(7,3) and r(1,5) find the distance between PQ,QR and RP
asked by ADNAN 
Math
Suppose that the domain of discourse is the set {2, 1, 0, 1, 2}. Express the following statements without using quantifiers, using only the connectives ¬, V, Λ. (a) ∃x P(x) (b) ∀x P(x) (c) ∃ ¬P(x) (d) ∀ ¬P(x) (e) ¬∃ P(x) (f) ¬∀ P(x)
asked by Winston 
AP Calculus
Consider the function f(x) = 1/4x^4  5/3x^3  3/2x^2 + 15x  3. A. Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the xvalues. B. Determine the interval(s) where f(x)
asked by Steph 
Chemistry
How many moles of H are there in 8.9 moles of C4H8O2?
asked by Ricardo 
Social Studies
"Explain how transportation innovations of the time period affected migration in the U.S" This question is really confusing to me and I need help wording it :)
asked by Isabella