Questions Asked on
June 7, 2016

Math
1. The length of the hypotenuse of a 306090 triangle is 7. Find the perimeter. A) 7/2+21/2 sqrt 3 B) 21+7 sqrt 3 C) 7+21 sqrt 3 D) 21/2 + 7/2 sqrt 3 Could someone please help me, I don't know how to do this. Thank you!
asked by Tim 
PLESE HELP ME ON WALK TWO MOONS ANSWER CHECK
can you guys help me with this question 1. What effect does Mrs. Winterbottom’s decision have on Phoebe? A.Phoebe is humiliated by her mother’s decision to leave. 2.Phoebe’s behavior becomes increasingly tense and ornery.***** 3.Phoebe is withdrawn
asked by Penny 
math
A toy rocket is launched straight up into the air with an initial velocity of 60 ft/s from a table 3 ft above the ground. If acceleration due to gravity is –16 ft/s2, approximately how many seconds after the launch will the toy rocket reach the ground?
asked by mitch 
LA walk two moons
1. Which of the following passages from the text best illustrates sal's feelings about her new home in Ohio? I did not think we would ever leave, and yet i did not want to leave. Tiny, squirt trees. Little birdhouses in a rowand one of these birdhouses
asked by help me 
Math Help Please
What are the ratios for sin A and cos A? The diagram is not drawn to scale. Triangle Description AB = 29 AC = 20 BC  21 A. sin A = 20/29, cos A = 21/29 B. sin A = 21/29, cos A = 20/21 C. sin A = 21/29, cos A = 20/29****? D. sin A = 21/20, cos A = 20/21
asked by Battia Anne 
Math
1. What is the area of the circle in terms of pi? The diameter is 4.9. A) 9.8 pi m^2 B) 12.005 pi m^2 C) 6.0025 pi M^2 D) 24.01 pi m^2 I've redid this problem over and over again, and I keep getting an answer that isn't one of the choices. The closest my
asked by Tim 
Math
1. In ABC, A is a right angle, and m B=45*. Side CA also has a length of 17ft just to let everyone know. What is the length of BC? If the answer is not an integer, leave it in simplest radical form. The diagram is not shown to scale. A) 54 ft B) 17 sqrt 3
asked by Tim 
math
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange. By what percent is the orange heavier than the apple?
asked by Anonymous 
Math help plz??
24. A radio signal travels at 3.00 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7 meters? im guessing its 118 seconds but
asked by othilia 
value
Two Men, P And Q Set Off From A Base Camp R Prospectively For Oil.P Moves 20km On A Bearing Of 205 And Q Moves 15km On A Bearing Of 060.What Is The Distance Of P From Q
asked by value 
Math
1. The volume of a sphere is 1476 pi m^3 . What is the surface area of the sphere to the nearest tenth? A) 629.9 m^2 B) 672.4 m^2 C) 1,344.8 m^2 D) 1,973.5 m^2 Is the answer D?
asked by Tim 
Math
Let a, b, and c be unit vectors, such that a+b+c=0. Show that the angle between any two of these vectors is 120 degrees. I proved this geometrically, but now my teacher wants a proof using vectors, and I don't know what to do.
asked by Katie 
Language arts 7 B
Pleas help if you read the story dragon wings or if ur in connexus 10. Think about various conflicts in the novel in the fight and describe one event from the novel and were present a causeandeffect relationship that creates conflict explain affect the
asked by Luxi_pux 
Math
1. O is the center of the given circle. the measure of angle O, is 134. The diagram is not drawn to scale. Assuming that the lines that appear to be tangent are tangent, what is the value of x? A) 67 B) 46 C) 314 D) 268 can someone please help? I saw an
asked by Tim 
English
Read the following poem and then respond to the question below: “I’m Nobody! Who are you?” By Emily Dickinson I’m Nobody! Who are you? Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d advertise – you know! How
asked by Annie 
chemistry
The equilibrium constant for the reaction Cu3(PO4)2(s) 3 Cu2+(aq) + 2 PO43–(aq) is K = 1.40 x 10–37. Suppose that a beaker is filled to 1 L with a solution containing [Cu2+] = [PO43–] = 10.0 nM, and 300.0 g Cu3(PO4)2 . Which of the following
asked by jess 
Science
Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons? A. 20/15 D B. 15/20 D C. 35/15 D D. 15/35 D C?
asked by Ms. Sue Please help me 
Maths
ABCD is a rectangle with angle BDC =28°.Determine angle DBC
asked by Ridhyma 
maths
the sum of a number and its square is one and a half times their difference. what is the number?
asked by tony 
MATH
In a race, a triathlete runs 1/3 of total distance, cycles 2/5 of the total diatance and swims the ramaining distance. he swim 1.200 meters. What is the total distance of the race?
asked by Martha 
Math(PleaseHelp, NewEquation SameDescription)
Orienteering is a sport that involves navigating your way to a series of checkpoints with the aid of a map and compass. The goal is to find each point on the map as quickly as possible. A typical compass used for orienteering is divided into 360 degree
asked by Cameron 
PreCalculus
The Fiedler family has up to $130,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds yielding 5.5% and that no more than $60,000 should be invested in more volatile bonds yielding 11%. How much should they invest in
asked by Alexa 
Of Mice and Men (CHECK!)(Reed)
1. Who are 4 outsiders in the text? a. George, Candy, Crooks, Lennie b. Curley, Curley's Wife, the Boss, Slim c. Candy, Curley's Wife, Lennie, Crooks d. Crooks, Curley, Lennie, Whit A: c 2. When Lennie thinks about the ranch he says a. We gonna live in a
asked by Victoria 
Accounting
When M. Landis invests $20,000 in the corporation in return for shares of stock, is the Retained Earnings account affected? Explain your answer.
asked by Stella 
social studies
1. What does EidulAdha celebrate? a. the birth of the prophet Muhammad b. Abraham's sacrifice of a lamb to God *** c. Muhammad's first revelation 2. What is the message of "The Tale of the Crow and the Civet"? a. Everyone should mind their own business
asked by lun 
Physics
•A pendulum of mass of 600g is dropped from a height of 30cm. •Calculate the GPE it had (g = 9.81) •Tell me how much KE it will have at the bottom of its swing (assuming no air resistance) •Assuming all the GPE is transferred to KE, what is the
asked by Dominic 
Math
The sum of three consecutive numbers is 66.Form an equation to represent this information and find these numbers
asked by Hazel 
Science
What mass of iron metal can be obtained from the reaction of 45.6kg Iron (III) oxide Fe3O4 with carbon monoxide CO as given in the following equation? Fe3O4 + 4CO = 3Fe + 4CO2
asked by Road 
Language Arts
Which of the clues from the text best indicates that something bad is going to happen to Gram? a. the wind changed its tone and told Sal to slow down b. the smell of Gram's baby powder makes Sal feel sad c. Sal continually prays for Gramps not to get them
asked by Please Help 
Math
1. What is the equation of the circle with center (4,3) that passes through the point (6,2)? A) (x4)^2+(y3)^2=25 B) (x4)^2+(y3)^2=125 C) (x(4))^2+(y(3))^2=25 D) (x(4))^2+(y(3))^2=25 I'm really not sure how to do this at all, so any help would
asked by Tim 
Math
3. A quadrilateral ____________ has one pair of parallel sides. A) always B) sometimes C) never D) inconclusive Is the answer B? I kinda wanna say D, but I believe it's B.
asked by Tim 
Math
1. A square is __________ a rectangle. A) always B) sometimes C) never D) inconclusive One site about rectangles said, yes. But I'm not sure that's the answer.
asked by Tim 
mat
Three times a number plus 4 equals 15 times the reciprocal of the number. Determine the number.
asked by jason 
math
a piece of wood is divided into three pieces in the ratio 3 : 4: 2. the length of the longest piece is 72 cm. calculate the length of the pices of wood
asked by anaon 
Physics
An electric heater that produces 860 W (1 W = 1 J/s) of power is used to vaporize water. How much water at 100 0C can be changed to steam in 5 min by the heater? Use Lv = 2.25x106 J/kg for water at 100 0C and express your final answer in grams.
asked by Anonymous 
Math (money)
After spending $200 of her money on a dress. Lily spent 20% of her remaining money on a bag. She then spent $131 on a pair of shoes. In the end, she had 20% of the original amount Lily had at first. What is the original total amount she had at first? My
asked by user1234 
Geometry
ABGF is a square with half the perimeter of square ACDE. GD = 4in. Find the area of the shaded region. Please help me work this problem out I am stuck. It's a square and in the top right corner there in another square inside it that is 1/4 the size of the
asked by Pleasehwlp 
Maths
Work out integers,I need to understand them
asked by Zama 
Physics
A thermos bottle contains 250 g of coffee at 88 0C. You then decide to add 27 g of milk at 5 0C. What is the equilibrium temperature of the mixture? Assume no heat is loss to the thermos bottle and that the specific heat of water, coffee and milk is about
asked by Anonymous 
English
Posted by rfvv on Monday, June 6, 2016 at 7:05pm. 1. I try not to stress when things go wrong. 2. I try not to stress out when things go wrong. 3. I try not to stressed when things go wrong. 4. I try not to stressed out when things go wrong.
asked by rfvv 
math
amy has60 wooden beads she has 4 times as manyas glass beads how many glass beads does amy have?
asked by Nuriffah farhana 
Math
A pharmaceutical salesperson receives a monthly salary of $2500 plus a commission of 7 percent of sales. Write a linear equation for the salesperson monthly wage in terms of monthly sales.
asked by Dave 
maths
the longest and shortest distance from sun to earths surface are r1 and r2. what is the distance from the sun when it is perpendicular to it
asked by lekshmysuresh 
Math (Circle Equations)
Write an equation with a radius of 2 inches and center point (5,2) Would it be: (x+5)^2+(y2)^2=2^2 ?
asked by Giovanni 
Science
What is the equation of the street line that passes through the points 1 and 4 and 3 and 2
asked by Anonymous 
Chemistry
Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed
asked by quick help needed 
math
Find the foci of the ellipse whose major axis has endpoints $(0,0)$ and $(13,0)$ and whose minor axis has length 12.
asked by rui rui 
Chemistry
Which symbol correctly represents an element (D) whose atoms contain 15 protons and 20 neutrons? A. 20/15 D B. 15/20 D C. 35/15 D D. 15/35 D C?
asked by quick help needed 
History
How are living conditions in the twentyfirst century different than conditions in the nineteenth and early twentieth centuries? (You may compare any of the following areas: the role of women, leisure and entertainment, social classes, education, family,
asked by Nikki 
math
100*158
asked by pradeep 
algebra
If someone weighs 120lbs how many mg of Lysine would they take For adults, the RDA of the amino acid lysine is 12 mg per kg of body weight. Please email me the answer
asked by Munroe 
chemistry
a) Define the following terms: • Electronegativity • Bond polarity • Ionization energy b) What is the difference between ionic bonds, covalent bonds and polar covalent bonds? Give two examples of each c) Draw Lewis structures for each of the
asked by chansa 
chemistry
Acids and bases • What is an acid? • A 500cm3 solution containing 1.9g of a weak acid HA has a pH of 3.50. Calculate the molar mass of the acid, given that it has a Ka of 2.0 × 106moldm3 • Calculate the pH of the following: • 0.002moldm3 NaOH
asked by chansa 
chemistry
Consider the information given below ΔH⁰/ kJmol1 Enthalpy of lattice formation for CaF2 2611 Enthalpy of hydration for Ca2+ ions 1650 Enthalpy of hydration for F ions 506 Using the information given above, calculate the enthalpy of solution for
asked by chansa 
Physics I (Classical)
A kayaker needs to paddle north across a 85mwide harbor. The tide is going out, creating a tidal current that flows to the east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s. Find the angle West of North he needs to travel and the time it
asked by Victoria 
math
Lolita saved $ 5000 in a saving account which pays 12% interest compounded monthly. Eight months later she saved another $ 5000. Find the amount in the account two years after her first saving.
asked by omar 
PreCalculus
Solve the system of equations using matrices. Use Gaussian elimination with backsubstitution. x + y + z = 5 x  y + 3z = 1 4x + y + z = 2 I really need help.. 1 1 1 5 1 1 3 1 4 1 1 1 2 I've done so many different methods to solve this and I get
asked by Alexa 
Math
35 1/2% to the nearest thousandth
asked by Nana 
Precalc
Let x and y be real numbers such that x^2 + y^2 = 1. Find the max value of 2x  5y. A hint was given to use CauchySchwarz but I'm not sure how to apply it to vectors?
asked by Katie 
Math(DifferentQuestion,SameDescription)
Orienteering is a sport that involves navigating your way to a series of checkpoints with the aid of a map and compass. The goal is to find each point on the map as quickly as possible. A typical compass used for orienteering is divided into 360 degree
asked by Cameron 
Science
Which of the following statements is not consistent with the results obtained in Rutherford’s gold foil experiment? A. The nucleus of an atom is positively charged. B. The nucleus of an atom contains almost all the mass of the atom. C. Atoms are composed
asked by Ms. Sue Please help me 
math
A park is in the form of a rectangle 100 m×80 mat. At the centre of the park there is a circular lawn. The area of the park excluding the lawn is 4150 m^2 find the radius of the circular lawn
asked by Neha 
Trigonometry
24. Let cscθ = 5 with θ ∈QII and find the following. *use double identity a) cosθ b) cotθ
asked by Mark 
Trigonometry
26. Solve for 0≤ x
asked by Mark 
Trigonometry
27. Solve for all radian solutions. sinx = −2cos x
asked by Mark 
Trigonometry
28. Find all solutions if 0° ≤θ
asked by Mark 
Science
what is the concentration of sulfuric acid if 0.25l of it is neutralized by 0.56l of 0.030m koh?
asked by Mika 
Science
A student wants to neutralize 1000 ml of .25m lioh with 0.75m hbr. How much hbr are they expected to use? Sho your work.
asked by Mika 
Business Mathematics
Taxi fare from an airport to a nearby town is $0.80 per mile driven, plus $2 for tolls. Let y represent the lare and r the miles driven on one trip. write the equation for y in terms of r. Find the fare when the distance driven is 17 miles.
asked by Bithy 
technology
If there are 12 inches per foot and I travel 5 feet , how many inches have I traveled
asked by Angela 
Pre Calc
Airplane going N 60 degrees W at a speed of 400 mph. What wind direction, at a speed of 75 mph will produce a resultant direction of N 50 degrees W
asked by Beth 
Math
What is the value of "x" if 25^2=x? 1.)125 2.)0 3.)625 4.)5
asked by :) 
English
1. He tells me that she is happy. => He told me that she was happy. 2. He has told me that she was happy. => He told me that she had been happy. 3. He will tell me that she will be happy. => He told me that she would be happy.
asked by rfvv 
English
1. It is getting hotter. 2. He grew taller. 3. The leaves turned brown. 4. He fell asleep. 5. The bird came alive. 6. The man has gone blind. 7. You should stay healthy. 8. She remained unmarried all her life. 9. He became rich. 10. She appeared rich. 11.
asked by rfvv 
Pre Calc
visually show on compass/vector graph n 60 degrees w at 400 mph, n 40 e at 75 mph
asked by Beth 
Algebra
f(2.4) = 4(2.4)  2.4^2 = 3.84 If I were to continue this iteration what would be the next equation? I am just confused how to continue with a problem I'm doing.
asked by Harold 
Math
Prove that the following Trigonometric Identity is valid: 1/(sin(y)1)1/(sin(y)+1)=2sec^2 (y) Please any help or clues on how to do this is needed. I have a sheet that tells me valid identities but nowhere on it has info on 2sec^2 (y) I am sooo
asked by kat 
Physics
A constant unbalanced force is applied to an object for a period of time. What would the graph look like as acceleration as a function of elapsed time?
asked by Zoë 
Math (Polar to Cartesian Equation)
Convert the given polar equation to a Cartesian equation. r^2=4sec(theta)csc(theta)
asked by Ray 
Child Care
1. You're attempting to teach Brian, a preschooler, how to arrange a group of five blocks from largest to smallest. First, you explain what you want him to do; then you do it yourself so he can see what he's supposed to do. As Brian attempts to arrange the
asked by Queen B 
Physics
I'm sorry this is kind of a long question. I've been staring at it for about an hour now and I have no clue where to even start. Thank you so much!!!! A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale
asked by Maya 
Physics
Hi!! For this question, I feel like the answer is C but I'm not sure. If the answer is C, could you explain to me why/ if it isn't then why not? A book leans against a crate on a table. Neither is moving. Which of the following statements concerning this
asked by Kaylen 
precalculus
A plane flies at a speed of 150mph at an angle of 10 degrees, after 6 seconds, the plane keeps the same speed but changes to an angle 18 degrees. How long in minutes would it take the plane to travel to a cruising altitude of 30,000 feet?
asked by Marc 
math
Constructing a parallelogram which size is 6cm and 9cm the angle between size being 60 degree menion the diagonal
asked by adrian jackson 
Math (Trig)
Suppose the point A is on a circle of radius 6 with an angle of 240 degrees. Find the value of the coordinates of this point. Round your results to 3 decimal places. So in this case, x=rcos(theta) y=rsin(theta) x=6cos(240) y=6sin(240) Rounding to 3 decimal
asked by Giovanni 
math143
2x34x2+23=y A.is(4,167) a solution? Show/explain b.is(3,51) a point on the graph c.give the yintercept
asked by John 
math143
Find the way intercepts for 4y5x=18
asked by John 
Science
In order to analyze the wastewater containing cu2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then placed in a spectrophotometer tube. The absorbance was found to be 0.30. Using your calibration curve, calculate the number of
asked by Tyler 
Meaning?
What does it mean to take responsibility for taking care of someone? What does it mean to take responsibility for someone?
asked by Victoria 
maths
Cos3Q=√3/2,find tan6Q?
asked by Ritu