Questions Asked on
April 9, 2015

pre  CALCULUS
A gas company has the following rate schedule for natural gas usage in singlefamily residences: Monthly service charge Per therm service charge 1st 25 therms Over 25 therms $8.80 $0.6686/therm $0.85870/therm What is the charge for using 25 therms in one
asked by Ciara 
math
what is the procedure for solving the equation 1/2x = 16. I am stuck. Please help me.
asked by Jay 
Language Arts
In the multidraft reading process what does a reader look for in the third reading? *This is a question from Connexus, and I really need help D:
asked by Sarah 
Chemistry
A 54.7g sample of aluminum at 95.0°C is dropped into 35.0 g of water at 40.0°C. What is the final temperature of the mixture? (specific heat capacity of aluminum = 0.89 J/g°C; specific heat capacity of water = 4.184 J/g°C)
asked by Deanne 
Math.
For question 14 for the interest. All rates are annual interest rates. 1) principal, $400 rate, 5% time, 1 year. a. $10 b. $20 c. $40 d. $200 2) principal, $1,000 rate, 8.5% time, 3 years a. $255 b. $170 c. $22.5 d. $17 3) principal, $200 rate, 9% time,
asked by Sydney HELP! Need help ASAP! 
Physics
Two forces 10 N acting in the direction N 30 east and 15 N acting in the eastern direction, if both forces act at a point, find the magnitude and direction of (a) the resultant force (b) the equilibriant force.
asked by Godson 
Chemistry
Write a balanced equation for the combustion of gaseous propane (C3H8), a minority component of natural gas, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water. I answered C3H8 + 5O2 = 3CO2 + 4H2O but it was wrong,
asked by Basel 
math
A floor tile is 20 inches wide. If the perimeter of the tile is 72 inches, what is the length of the tile?
asked by austin 
English
Both Ada and Phil are evaluating their thesis statements, topic sentences, and evidence. If Ada finds that her essay doesn't have a thesis statement identifying the topic of the essay, Ada will reread the essay and decide what the main point of the essay.
asked by Diana 
math
Boris has a coin and a number cube. The number cube is labeled 16. He flips the coin once and rolls the number cube once. What is the probability that the coin lands tails up and the cube lands on a even number? A. 2/3 B. 1/4 C. 1/12 D. 1/6 How do i solve
asked by Jack 
math
The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
asked by zack 
math help please
Determine which function has the greater rate of change in questions 1−3 1. x y  1 0 0 1 1 2 2 3 (1 point) The rates of change are equal. The graph has a greater rate of change.*** The table has a greater rate of change. none of the above 2. y =
asked by Linda 
Physic
A 75W, 120V bulb is connected in parallel with 25W, 120V bulb. What is the net resistance?
asked by Allen 
Math
You flip a coin 30 times and get heads 11 times, so the chance of getting heads is 11\30. Is this an example of theoretical or experimental probability? A. Theoretical B. Experimental Is the answer B? Thank you
asked by Grace 
English
The exam is around the corner. Rewrite the sentence begininga. The corner ...
asked by Chitalu 
Math
Which situation can be represented by the equation y= 12x  4? A. The number of eggs , y, in x, dozen eggs for sale after 4 dozen eggs are sold. B. The cost of, y, of buying x movie tickets that sell for 8$ each. C. The cost, y, after a 4$ discount, of
asked by Reece 
Division
Maria cut a pizza into 8 equal slices she put a slice of pizza on 3 plates what is the measure of the angle for the angle for the slices that are left?
asked by Anonymous 
Math
Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and yintercept of Jeremy's function and
asked by Hailey 
Calculus AB
For the function f(x) = sqrt(9x), which is equal to d/dx(f1( 1 is the inverse)(x)) a) 2x b) sqrt(x) + 9 c) x^2 + 9 d) 2x e) 9x^2
asked by Thomas 
Physic
A 2.5kohms and a 3.7kohms resistor are connected in parallel; this combination is connected in series with a 1.4 kohms resistor. If each resistor is rated at 0.5W (maximum without overheating), what is the maximum voltage that can be applied across the
asked by Allen 
PHYSICS
In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration?
asked by Joe 
Math
A company predicts that this years sales will be equivalent to 144% of last years sales. Which value represents 144%? A. 14.4 B. 1 11/25 C. 1.56 D. 14 4/5
asked by Emily 
Physics
A large container, 114 cm deep is filled with water. If a small hole is punched in its side 93.0 cm from the top, at what initial speed will the water flow from the hole?
asked by Rutgers 
Math
Suppose f(x) = sin(pi*cosx) On any interval where the inverse function y = f –1(x) exists, the derivative of f –1(x) with respect to x is: a)1/(cos(pi*cosx)), where x and y are related by the equation (satisfy the equation) x=sin(pi*cosy)
asked by Thomas 
Calculus
Suppose that y=f(x) = sqrt(2x), x>=0 Find a c > 0 such that the tangent line to the curve y = f(x) at x = c has the same slope as the tangent line to the curve y = f^–1(x) at x = c. You get: c = 1/8 c = 1/2 c = (1/8)^(1/3) c = (1/3)^(2/3) c = (1/2)^(1/3)
asked by Thomas 
calculus (please with steps and explanations)
consider the function f that is continuous on the interval [5,5] and for which the definite integral 0(bottom of integral sign) to 5(top of integral sign) of f(x)dx=4. Use the properties of the definite integral to evaluate each integral: (a) definite
asked by Linda 
Calculus
For the function f(x) = x^2  4x +5, x>= 2, which is equal to d/dx (f1 this is the inverse)(x)) ? 1/(2y4) where x and y are related by the equation (satisfy the equation) x=y^24y+5 x>= 1 2y4 where x and y are related by the equation y= = x^2  4x +5,
asked by Thomas 
French
I would appreciate it if you could take the time to double check my answers. Merci beaucoup! 26. Il faut que tu mettes la nappe. Je l’ai ___(1)___ sur le ___(2)___. Je veux aussi ___(3)___ tu ___(4)___ les ___(5)___ à rayures. Nous allons ___(6)___ dans
asked by Anonymous 
Math
What if the mural were in the shape of a square with an area of 81 square feet. What would the height of the mural be? Explain
asked by Alena 
science
From the cosmic background radiation, what can scientists infer that the universe was like after the big bang? A. Very small B. Hot C. The same average temperature as it is today. D. Cooler than it is today. Is the answer C? Thank you for the help😊
asked by Kanani 
physics
How can the alternative definition of power: P = \frac{w}{\Delta t} = F \frac{d}{\Delta t} ... can be derived by substituting the definitions of work and speed into the standard definition of power, P =\frac{W}{\Delta t}. (Equations written without latex
asked by Heeyong 
government
Approximately _____ of the country's adult population has internet access. a. onethird b. twothirds c. onequarter d. threequarters I am guessing d. the others seem to low. The book states that the number of U.S. internet users hit 194 million in 2008
asked by Carrie 
Maths
please help  lisa had a collection of stamps from australia, france and japan. she had 124 stamps from australia. 30% of the stamps were from France. she had 12 fewer stamps from japan than australia. a) what was the total number of stamps in Lisa's
asked by J.sarah 
math
2 line segments intersect to form an angle that has a measure pf 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle. I don't understand what this question is asking me. Can someone explain it to me?
asked by Robert 
Calculus
In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of confidence). Which
asked by Scott 
linear
Let W be the subspace of R5 spanned by the vectors w1, w2, w3, w4, w5, where w1 = 2 −1 1 2 0 , w2 = 1 2 0 1 −2 , w3 = 4 3 1 4 −4 , w4 = 3 1 2 −1 1 , w5 = 2 −1 2 −2 3 . Find a basis for W ⊥.
asked by sara 
chemistry
For the weak hypochlorous acid (HClO), which statement is true at the point halfway to the equivalence point? A. The total amount of HClO is equal to the pKa. B. The total amount of HClO is equal to ClO. C. The total amount of H3O+ is equal to the amount
asked by Cortney 
Math
The capacity of a 1 cm cube is 1 mL. How many 1 cm ice cubes would you need to melt to fill a 1.5 L jar?
asked by Anonymous 
Chemistry
Laughing gas (nitrous oxide, N2O) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the reaction NH4NO3(s) −! N2O(g) + 2H2O(§¤) . How much NH4NO3 is required to produce 54.5 g of N2O?
asked by danny 
Physics
A raft is made of 14 logs lashed together. Each is 29.5 cm in diameter and has a length of 6.50 m. How many people (whole number) can the raft hold before they start getting their feet wet, assuming the average person has a mass of 75.0 kg? Do not neglect
asked by Rutgers 
Physics
Water at a pressure of 3.90 atm at street level flows into an office building at a speed of 0.45 m/s through a pipe 5.60 cm in diameter. The pipes taper down to 2.10 cm in diameter by the top floor, 26.0 m above. Calculate the water pressure in such a pipe
asked by Rutgers 
Algebra probability
Helena has a set of number cards numbered 1 through 10. If Helena randomly draws two cards from the deck, what is the probability that she will draw an odd number and then a two? The answer i had was 1/18, but its not on there, so i need help and im
asked by ama 
Math
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end
asked by Stacey 
English
Which of the following sentences uses concrete language? A. Danny's Labrador retriever eagerly chases tennis balls. B. When I saw Susan, she was reading a book. C. Jerry saw that the glass was really dirty. D. I met Cathy at a store on a street near the
asked by Diana 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked by Excel 
physics
An airplane is flying horizontally at a velocity of 50.0 m/s at an altitude of 125 m. It drops a package to observers on the ground below. Approximately how far will the package travel in the horizontal direction from the point that it was dropped
asked by Nana 
maths
David cuts a 6 metre long pole into three different pieces. The largest piece is 40 cm longer than the middle piece. The middle piece is 70 cm longer than shortest piece. What is the size of the largest piece?
asked by Zain 
pre  CALCULUS
Verify the identity. Show your work. (1 + tan2u)(1  sin2u) = 1
asked by Ciara 
Chemistry
H2 +Br2 =2HBr so suggest twoo reasons why all the collisions between hydrogen and bromine gas molecules do bot result in reaction?
asked by Thamathama 
physics
A 42.5 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.0 cm if the marble is to reach a target 27.0 m above the gun. What is the change in gravitational energy of the marble during its ascent?
asked by Stephanie 
Geometry
Write a two column proof: Given: ABCD is a parallelogram BQ is conguent to DS, PA is congruent to RC Prove PQRS is a parallelogram
asked by Michael 
english
About 200 years ago the Cherokee Indians were one tribe, or "Indian Nation" that lived in the southeast part of what is now the United States. During the 1830's and 1840's, the period covered by the Indian Removal Act, (1) many Cherokees were moved west to
asked by jimm 
Calc AB
Suppose that y = f(x) = x^24x+4 Then on any interval where the inverse function y = f^–1(x) exists, the derivative of y = f^–1(x) with respect to x is: a) 1/(2x4) b) 1/(2y4), where x and y satisfy the equation y=x^24x+4 c)(1/2)x^(1/2)
asked by Thomas 
Calc AB
Suppose that f(x) is an invertible function (that is, has an inverse function), and that the slope of the tangent line to the curve y = f(x) at the point (2, –4) is –0.2. Then: (Points : 1) A) The slope of the tangent line to the curve y = f –1(x) at
asked by Thomas 
Math
Suppose f(x) = 4x^5(1/x^4) Find the slope of the tangent line to the graph of y = f^–1(x) at (3, 1). You get: 1/24 1/16 00062 1620 972
asked by Thomas 
public speaking
Communicating effectively helps us to succeed in areas of?
asked by Doug 
English
Nathan argues that each paragraph in a narrative should support the author's thesis. Nan says that paragraphs in a narrative should illuminate some part of the action. Which one is correct? A. Neither Nathan nor Nan is correct. B. Both Nathan and Nan are
asked by Diana 
Chem
If a .750g sample of magnesium chloride is dissolved in water and then treated with a silver nitrate solution how many grams of silver chloride should be collected? I don't understand what my first step should be. The balanced equation is
asked by Maddy 
science
Which of the following is s major difference between elliptical galaxies and spiral galaxies? A. Elliptical galaxies have almost no gas or dust between starts. B. Elliptical galaxies vary more in shape than spiral galaxies. C. Spiral galaxies have almost
asked by Kanani 
CALCULUS
Consider the function f(x)=9x3−4x5. Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(4) =
asked by Anonymous 
pre  CALCULUS
Verify the identity. Show your work. cot θ ∙ sec θ = csc θ
asked by Ciara 
Math
When you are multiplying a 7 x 3 matrix by a 3 x 2 matrix, what would the resulting matrix be of which order? Write your answer is a x b form.
asked by Tonya 
Algebra
find the value of p so that p+5, 4p+3, and 8p2 will from successive terms of an arithmetic sequence, then find the three successive terms.
asked by cay 
Physics
In about 1915, Henry Sincosky of Philadelphia suspended himself from a rafter by gripping the rafter with the thumb of each hand on one side and the fingers on the other side (see the figure). Sincosky's mass was 87.6 kg. If the coefficient of static
asked by Wack 
Trigonometry (identities)
1. (8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^2 2. cos(αβ)cosβsin(αβ)sinβ 3. 1+(sinxcosx)(sinx+cosx) 4. (cosβcotβ)(cosβ+cotβ)
asked by Anna 
Algebra
6. One angle measures 54 more than 3 times another angle. The angles are supplementary. What are their measures? 11. A piece of string is 112 inches long. Isabel wants to cut it into 2 pieces so that one piece is three times as along as the other. How long
asked by James 
Math
Suppose you write the letters MISSISSIPPI on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking an S? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer A? Thank you
asked by Grace 
8th grade math
Company A charges $25.00 for up to 100 minutes, plus $0.50 for each extra minute. Company B charges $50.00 for an unlimited number for minutes. What are the equations for each company?
asked by Chris 
Math
You roll a pair of number cubes and then flip a coin. Is this an example of independent or dependent events? A. Independent B. Dependent Is the answer A? Thank you
asked by Grace 
Ib math
The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225 A) if the mark is 45 estimate the number of candidates who passed the exam? B) if top 7% of students are awarded a 7, find the minimum mark required to
asked by sara 
Earth Science
Which of the following are you most likely to experience atotal solar eclipse btotal lunar eclipse cfull moon dpartial lunar eclipse? my answer is full moon
asked by Steve 
Social studies
I am doing an essay on Empathy and the enemies of empathy. While I have mentioned, ethnocentrism and racism along with sexism as enemies and given examples. I would like to include classism but need a current example for classism. Thanks
asked by Noreen 
physics
'2 balls of mass ratios 1:2 are dropped from the same height. State the ratio between their velocities when they strike the ground, the ratio of forces acting on them during motion.'
asked by bhargav 
science
Is a laptop biotic or abiotic?
asked by thi 
chemistry
28g of N2 and 6g of H2 were kept at 400 degree centigrade,the equilibrium mixture contained 27.54g of NH3. Find the value of Kc in mole^2L^2 .
asked by abhishek 
Chemistry
027 (part 1 of 3) 10.0 points Copper reacts with silver nitrate through single replacement. If 3.03 g of silver are produced from the reaction, how much copper(II) nitrate is also produced? Answer in units of mol. 028 (part 2 of 3) 10.0 points How much Cu
asked by danny 
7th grade math
Quadrilateral WXYZ os describes below. Line segment WX is parallel to line segment YZ. Line segment XY is the same length as line segment ZW. Line segment Xy is not parallel to line segment ZW. Which of the following describes quadrilateral WXYZ? A.
asked by Grace 
math
There are 5 numbers in a set of data. There are no repeated numbers. Which measure of data must represent a number in the set that is greater than 2 of the numbers in the set and less than 2 of the numbers? A. Median B. Mean C. Mode D. Range Can someone
asked by Grant 
Chemistry
The volume of the nitrogen gas is 125ml atmospheric pressure is 763mm Hg Water temperature is 24 degrees Celcius. The water level inside the eudiometer is the same as the level of water in the beaker. Calculate the pressure of the dry nitrogen gas.
asked by Maddy 
chemistry
how many grams of CaCI would be required to produce a 85M (molar) solution with a volume of 2.0L
asked by Anonymous 
chemistry
how many grams of CaCI would be required to produce a 8.5M (molar) solution with a volume of 2.0L
asked by Anonymous 
English
Which of the following sentences shows an example of parallel verbs? A. Once the game was over, Jim had to be running home and eat dinner. B. Once the game was over, Jim had to run home and dinner was ready. C. Once the game was over, Jim had to run home
asked by Diana 
Calc AB
Let f(x) = (x+3)^3 + 2. The graph of the inverse function y = f^–1(x) has a vertical tangent at: (Hint: Think about the symmetry of the 2 graphs.) (66, 1) (2, –3) (10, –1) (–3, 2) (–1, 10)
asked by Thomas 
Calc
Find the area of the region bounded by the curves y2 = x, y – 4 = x, y = –2, and y = 1. So far I have found that the area of the trapezoid which is 13.5. But for the other two areas I cannot find them. They could be: 27/2 22/3 33/2 34/3 14 I believe
asked by Thomas 
Calculus
The sun is setting at the rate of 1/4 deg/min, and appears to be dropping perpendicular to the horizon, as depicted in figure 6.2.5. How fast is the shadow of a 25 meter wall lengthening at the moment when the shadow is 50 meters long?
asked by John 
science
Flight simulators are used to train new pilots because ____.
asked by mack 
calc(steps and explanation also)
A hot air balloon is 150 ft above the ground when a motorcycle passes beneath it (traveling in a striaght line on a horizontal road) going 58 ft/sec. If the balloon is rising vertically at a rate of 10 ft/sec, what is the rate of change of the distance
asked by Linda 
Calculus
During a certain epidemic, the number of people that are infected at any time increases at rate proportional to the number of people that are infected at that time. 1,000 people are infected when the epidemic is first discovered, and 1,200 are infected 7
asked by Anonymous 
Math
1. The sum of the ages of two brothers is 46. The younger brother is 10 more than a third of the older brother's age. How old is the younger brother? 2. You have 59 total coins for a total of $12.05. You only have quarters and dimes. How many of each coin
asked by Alexandria 
math
There are 32 visitors to the guidance counselor's office each day. Write an inequality that represents the number of visitors to the guidance counselor's office. I am so confused
asked by Jay 
math
The value of n is less than 20. Write the inequality that represents the value of n. I think I can graph it on the number line if I new what n was.
asked by Jay 
math (explanation and answer)
A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way
asked by Linda 
Maths (URGENT!!!)
2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)
asked by Ben 
chemistry
a 100 gram sample of a metal undergoes a temperature change from 20 C to 50 C Absorbing 1500J of heat
asked by Jayden 
math
How to write three linear system that are equivalent to the linear system shown? 5x4y= 3 2x + 7y= 5
asked by Lyn 
Chemistry
Can you help me calculate the maximum weightpercent of H present in liquid iron containing 0.16 wt% Oxygen and equilibrated with H2O(g) at a pressure of 0.164 atm at 1600°C. Given ÄG° = 207653 + 0.292T J and assume that O and H both obey Henry’s
asked by Brian James 
Calculus
A rectangular storage container with an open top is to have a volume of k cubic meters. The length of its base is twice its width. The material for the base costs $6 per square meters and the material for the sides costs $10 per square meter.
asked by Joseph 
math
a model rocket is projected straight upward from the ground level. It is fired with an initial velocity of 192 ft/s. How high is the rocket after 10 seconds?
asked by Rick 
math
a model rocket is projected straight upward from the ground level. It is fired with an initial velocity of 192 ft/s. How high is the rocket after 10 seconds? When is the rocket at a height of 432 feet? What is the maximum height of the rocket? When will
asked by Rick 
English
1. I'll remember to see the movie with my friend. 2. I'll remember that I have to see the movie with my friend. 3. I'll remember that I will see the movie with my friend. 4. I'll remember that I can see the movie with my friend. 5. I'll remember that I
asked by rfvv 
Mechnical principles
Mtal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density. I know relative density is density of material/density of water (1000kg/m3)
asked by Danny 
English
1. He stopped reading a book to watch TV. 2. He stopped walking to watch the accident. 3. He stopped working to take a rest. 4. He stopped watching TV to take a nap. 5. He stopped driving his car to sleep in the car for some time.
asked by rfvv 
Physic
Two resistors when connected in series to a 120V line use onefourth the power that is used when they are connected in parallel. If one resistor is 4.8 kohms. what is the resistance of the other?
asked by Allen 
mto
methanol relative volatility at 32.5 degree centigrade
asked by sanfhya 
Chemistry
If 30 ml of 02 M HCL with 45 ml what is the molarity of NaOH
asked by Melissa 
Physics
A spring of length 10.0 cm and spring constant 160 kN/m is compressed to a length of 4.00 cm. If, when released, it pushes a block of mass 100 kg, a) what is the speed of the block after it slides up a 15.0 cm hill? b) What is its speed after it falls into
asked by Alex 
English
What are some synonyms for "appears rarely" and "often referred" ? I'm writing an essay and my teacher doesn't want us to use the same phrases over and over again: repetitive as we write our paragraphs and I'm not really good at thinking of synonyms so
asked by Amy 
English
1. I'll bring it to you tonight. 2. I'll take it to you tonight. ================ Which one is grammatical? Are both OK?
asked by rfvv 
English
1. Bring me the chair. 2. Bring the chair to me. 3. Take me my house. 4. Take me to my house. ================== Does #1 mean #2? What about the verb 'take'? Is #3 incorrect? The structure of the verb 'bring' seems to be different from the verb 'take.'
asked by rfvv 
pre  CALCULUS
The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −
asked by Ciara 
Math
Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 2 3 1 3 5 0]
asked by Michael 
government
There are up to _______ judges on an appeals court, only ______ usually hear each case. a. 12;5 b. 12;3 c. 15;5 d. 15;3 I chose d. The book states that, that the United states is divided into 13 courts of appeals. There are 12 geographic circuits, and 1
asked by Carrie 
Trigonometry
2sin^2(x )+38 cos(x) + 2.6=0
asked by Anonymous 
Mathw(URGENT pls)
Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)
asked by Ben 
Math
You have made 3 out of 10 of your last free throws. How many free throws can you expect to make if you shoot 100 free throws? A.30 B.50 C.60 D.75 Is the answer A? Thank you
asked by Grace 
pre  CALCULUS
The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −
asked by Ciara 
english
1. Evenings, we sit at home and watch TV. 2. Every evening, we sit at home and watch TV. 3. In the evenings, we sit at home and watch TV. 4. In the evening, we sit at home and watch TV. ================================ Thank you for your help......In the
asked by rfvv 
Math
Suppose you write the letters MISSISSIPPI on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking a P? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer B? Thank you
asked by Grace 
Math Check
Hi! I need help with this one problem. My teacher told me that I could use any method to solve the following system and this is the answer I got; (1/2,2/5). Is this correct? 0.15r + 0.85s = 0.23 0.20r + 1.25s = 0.33 Write answer in (r, s).
asked by Lilly 
math
2 3/7 + 3/8
asked by trinity 
Trigonometry (identities) (last help needed)
1. (2cosx2secx)(3cosx^2+3secx^2+β) 2. (16tanxsecx4secx)/(8tanxsecx+4secx) 3.sinxcosx^3+cosx^4 (hint: GCF) 4. (cosβ+sinβ)^2
asked by Anna 
Calculus
Batman was driving the Batmobile at 90 mph (=132 ft/sec), when he sees a brick wall directly ahead. When the Batmobile is 400 feet from the wall, he slams on the brakes, decelerating at a constant rate of 22ft/sec2. Does he stop before he hits the brick
asked by Meme 
algebra
How do I state which property of exponents justifies each step of this simplification?: 3^2x^6z^10/2^2y^18*x^4y^4z^4/5z^3*27z^6/2^2x^2y^3 Im really stuck on this problem, I've managed to figure out the first 5 problems but this one is troubling me.
asked by Maggie 
Chemistry
calculate oh and ph in a solution in which dihydrogen phosphate ion is 0.335 M and hydrogen phosphate is 0.335 M. This is a homework question, where I have the solution, which is 0.335/0.335, which I get, but then I am supposed to multiply this (1)by a
asked by Jessica 
History
why did farm prices fall in the 1920s?
asked by Help me,plz 
math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked by Excel 
science
An illness caused by a protist is protozoa? True or False My answer is true am i correct?
asked by Visa 
math, probability
There are six ways to write 5 as an ordered sum of three positive integers: 3+1+1, 1+3+1, 1+1+3, 2+2+1, 2+1+2, 1+2+2. A) What is the number of ways to write "n" as an ordered sum of "r" integers? B) What is the number of ways to write "n" as an ordered sum
asked by Amy 
Math
A function is described by the equation f(x)=x^23. The replacement set for the independent variable is (2,4,7,9) What is the corresponding set for the dependent variable
asked by M 
thermodynamic
an engine operates on the carnot cycle between the temperature limits of 250c and 50c. the pressure and the volume at the start of the isothermal expansion are 6 bar and 0.1 m^3 respectively. pressure after isothermal expansion is 3 bar. assume
asked by abody alabady 
Math
the length of a rectangular garden is 5 less than twice the width find the length of the garden if the area is 88 square feet
asked by M 
English
Hello. I will be very grateful for your help. Do you think the words "actual" and "de facto" have the same meaning in the context: "the actual/ the de facto rejection of the 2012 agreements"? (The country decided not to abide by the agreements but did not
asked by Nalmi 
Math
Solve for the zeros of the function using the quadratic formula. 3x^2=4x+6 I know what the quadratic formula is but when I put it into the formula I keep getting an error on the graphing calculator.
asked by M 
Chemistry
Calculate the mass of water formed by the complete reaction of 572 g of propane (C3H8) with excess oxygen. (Write a balanced equation.) Answer in units of g.
asked by danny 
Chemistry (Acid/Base)
Consider a solution made by mixing 100 mL of 2.0 M acetic acid (Ka= 1.8e5) with 100 mL of 0.00020 M benzoic acid (Ka= 6.4e5). How many moles of solid NaOH must be added to the solution so that half of the benzoic acid is protonated (i.e. such that [HA] =
asked by Emily 
algebra
In a school of 464 students, 89 are in band, 215 are in sports, of which 31 are involved in both activities. How many students are involved in neither activities?
asked by Marv 
Math
Tanisha is painting a mural that is in the shape of a rectangle. The mural covers an area of 54 square feet. The base of the mural measures 9 feet. What do you need to find? What information do you know?
asked by Alena 
Social Studies
The revolutionary war was fought on american soil. how do you think this fact influenced the role of women in war?
asked by Sara 
MATHS
Need Help  lisa had a collection of stamps from australia, france and japan. she had 124 stamps from australia. 30% of the stamps were from France. she had 12 fewer stamps from japan than australia. a) what was the total number of stamps in Lisa's
asked by JJJSARAH 
chemistry
Phosphorus reacts with water to form hydrochloric acid and phosphoric acid. how many moles of acid are formed when starting with 4.5 g of PCl5 and excess H2o?
asked by Michael 
English
Thank you, dear Reed, for the answer. Will you please help me with one more question. Which word is the best in the context (maybe, all of them are OK): "the aim is to define/determine/identify and assess the actions of the Bush administration..."? Thank
asked by Nalmi 
Calculus
A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end
asked by Stacey 
science
What are some biotic items we do at home.. I only have the abiotic side.
asked by thi 
maths
A G.P had its third term as 9 times its first term and its second term is onetwentyfourth of its fifth term. what is its fourth term?
asked by bengazi 
Integral
Calculate the integral of (1/(u^(5/4)))+5.5√u du
asked by Danielle 
math
my question is i don't know what x and y are and x has 10 and 30 and y has 19 and 25 i don't know the anwser.
asked by bailey 
fine art
How are the elements of art used in the artwork titled "winged genie fertilizing a date tree?"
asked by mona 
Calc
Evaluate the indefinite integral (3/x^6)4√(x^2)
asked by Anonymous 
Physics
A block of mass 0.65 kg and density 650 kg/m³ is forced under the surface of the water by means of a spring (k = 60.0 N/m) that is fixed to the bottom of the container as shown in the figure. How much is the spring stretched? (the density of water is 1000
asked by Rutgers 
Calc AB
Remember that f(x) must be onetoone (only one yvalue for each xvalue) over the domain where f –1(x)is defined as a function. So, in some cases you must restrict the domain of f(x) so that it's onetoone. There might be more than one section of
asked by Thomas 
Chem
Volume of nitrogen gas is 125ml atmospheric pressure is 763mm Hg the water temperature inside the eudiometer is the same as the level of the water in the beaker. Calculate the volume if the nitrogen at STP. P1V1/T1=P2V2/T2
asked by Steve 
Chemistry
In the reaction Ca(OH)2 + 2HCL > CaCl2 + 2H2O: How many kilograms of H2O will be produced when 0.0948 Kg of Ca(OH)2 react with excess hydrochloric acid?
asked by Ana 
sdsu
BurrAnd Company estimates that annual manufacturing overhead costs will be $600,000. Estimated annual operating activity bases are: direct labor cost $500,000, direct labor hours 50,000, and machine hours 100,000. Compute the predetermined overhead rate
asked by nanda 
math
Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement could be true? A. Elisa
asked by Brooke 
English
During revision, you should scan your paper for _______ words and replace them with concrete words or phrases. A. figurative B. general C. formal D. informal my answer is b.
asked by Diana 
math
what are some inequalities that share some solutions with x is greater than or equal to 3? I am not sure what they are.
asked by Jay 
music, arts
1. Listen to the Corelli, Vivaldi and Bach examples. Using the stylistic features of each, write a summary of the development of instrumental music in the 18th century. Be aware of overall form and musical elements you hear in the examples. Explain the
asked by alana 
English
The exam is around the corner. Rewrite the sentence begininga. The corner ...
asked by Chitalu 
Finance
A caller informs you that it will take a $70,000 down payment and the investelemt will return $10,000 a year for the next 10 years. He tells you that you that the investment will return 14 percent. If current interest rates are 8 percent, what is the
asked by Roger 
READ
All students. Please do not post test or quiz answers to Jiskha. It is cheating and doesn't benefit you in any way. If you need help on homework or anything else, be sure to show your work and possible answers. Thanks :)
asked by Sarah 
science
What does composition mean when you're talking about biotic and abiotic
asked by thi 
Calculus
Find the particular solution (solved for y) for the differential equation dy/dx=2x/e^(2y) satisfying y(0)=1.
asked by Anonymous 
math
Students in Mrs. Doyles classes use 3/4 of a bottle of hand sanitizer every week. Which expression can be used to find how many bottles of hand sanitizer the students will use in 12 weeks. A. 12 x 3/4 B. 12 + 3/4 C. 12  3/4 D. 12 divided by 3/4 I have
asked by Ashley 
English
Which of the following correctly uses a transitional word or phrase? A. First impressions are so important in both personal and professional life. Addison shaved off his beard. B. Kara has been happily trying lots of new activities lately. For example, she
asked by Diana 
math
The manager at Sunshine Days Camp is going to buy juice for the campers. Each bottle contains 64 ounces of juice. Each camper is expected to drink more than 11 ounces of juice. There are 72 campers. (a)Explain how the manager would write an inequality to
asked by Jay 
Science
Why do people debate on fossil fuels? Is it based on how its used? Thanks
asked by Sarah 
Calculus
The number of people that hear a rumor follows logistic growth. In a school of 1500 students, 5 students start a rumor. After 2 hours, 120 students have heard about the rumor. Recall: dy/dx=ky(1Y/L) and y=L/(1+be^(kt)) I found the logistic growth
asked by Anonymous 
science
An illness caused by a protist is? protozoa is my answer i think is it right?
asked by vector 
math
Bobby has been driving at a constant speed for the last 30 minutes. If Bobby is traveling at a speed of 70 miles per hour, which equation best represents the relationship between time in hours(c) and distance in miles (d). A. d = 70t B. t = 70d C. d = t +
asked by ben 
English
Which of the following is an evaluation tool using questions and answers that lead to effective strategies? A. Thesis B. Outline C. Flowchart D. Graphic organizer my answer is c.
asked by Diana 
math
A city park employee collected 600 cents in nickels, dimes and quarters at the bottom of a wishing well. There were 10 nickels and a combined total of 25 dimes and quarters. How many dimes and quarters were at the bottom of the well? I know the answer but
asked by david 
math
A handful of paper clips is 5.2 grams. A handful of push pins is 500 centigram a. Which handful weighs more? So 1c equals .o1 grams so isn't it 5.2 g compared to .05 grams which then means the paper clips are heavier? Thx for any help you can provide.
asked by Jen 
ttu
The triprotic acid H3A has ionization constants of Ka1 = 2.5× 10–4, Ka2 = 3.4× 10–8, and Ka3 = 5.4× 10–13. Calculate the following values for a 0.0760 M solution of NaH2A
asked by alex 
math
A and B are numbers. The result of AB is an even number. The result of A+B is uneven number. A = ?, B = ? so confuse..
asked by Iman 
chem3A
7.34 grams of a gas occupies a volume of 2.5 liters at a pressure of 1216. mm and a temperature of 73 degrees celsius. What is the molecular weight of the gas?
asked by Ana 
Psychology
Examples of Social exchange theory and equity theory using celebrity couples
asked by RENEE 
Physics
You're driving along at 101 km/hr on a rainy day. Suddenly a deer jumps out 30 m ahead of you. You slam on the brakes of your 1972 Mustang (no ABS) with Goodyear tires (coefficient of kinetic friction= 0.525, coefficient of static friction=0.750). Will you
asked by Ashleigh 
Physics
A 4person bobsled team pushes the 330 kg sled down the 6.0 degree hill with a force of 1780 N. The coefficient of friction for ice and the runner is 0.135. How fast will the sled be moving at the end of the 40m push? Answer is in meters/second
asked by Ashleigh 
math
A man have 5 trucks. The capacity of trucks A and B are 2,5 ton, trucks C and D are 3 ton and the capacity of truck E is 1 ton more then the average capacities. Identify the capacity of truck E.
asked by Iman 
chemistry
500 mL Of hydrogen at 27 degrees celcius and 3 atms pressure is compressed to 100 mL at 100 degrees celsius. What is the new pressure in atms?
asked by Ana 
Algebra
Write the following in simplified form the 4th root of the 3rd root of a^12 b^36 c^14
asked by Merty 
critical thinking
How are the problems in crime, housing and health interrelated?
asked by dora 
Algebra
Rationalize the denominator The square root of: (12x^5y^2z^3)/9x^3y^3z
asked by Merty 
math
What is the value of y in the system shown? y=12x3 y=2x+4 Thanks
asked by Lyn 
calc (plz, with steps and explanations)
A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way
asked by Linda 
math
The manager at Sunshine Days Camp is going to buy juice for the campers. Each bottle contains 64 ounces of juice. Each camper is expected to drink more than 11 ounces of juice. There are 72 campers. Explain how the manager would write an inequality to
asked by Jay 
Math
An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen twoscoop ice cream cones if any two of them in one order must differ at least by a flavor or by the
asked by Excel 
Pschology 202
True or False? Based on your learning from this week’s Mindsets YouTube video (2011), an example of fixed mindset about intelligence would be if a teacher sat her students in a classroom according to IQ. (Points : 1)
asked by Anonymous 
Pschology 202
True or false? According to socioemotional selectivity theory, emotional regulation becomes the primary social need in middle adulthood. (Points : 1) True False
asked by Anonymous 
science
A protostar has a high enough___to become a star. A. volume B. mass C. temperature D. brightness Is the answer B? Thanks in advance
asked by Katy 
math
What is the value of x in the system shown? y=1/5x+2 y=x4
asked by Lyn 
calc (with through steps)
A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way
asked by Linda 
chemistry
What volume of a 0.553 M calcium hydroxide solution is needed to exactly neutralize 7.34 grams of KHP
asked by Pam 
the giver
has anybody read the giver
asked by Oscar 
Calculus
Joe dealt 20 cards from a standard 52card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which
asked by Scott 
Pschology 202
Who suggested people become more socially selective as they progress through middle adulthood and beyond. (Points : 1) Erik Erikson Laura Cartensen Sigmund Freud Mary Ainsworth
asked by Anonymous 
linear algebra urgent
Use the GramSchmidt process to transform the basis 1 1 1 , 0 1 1 , 2 4 3 for the Euclidean space R3 into an orthonormal basis for R3.
asked by sara 
Math
Dominic used the equation below to find d, the amount in dollars he would spend on gasoline to drive a distance of m, miles. d= m/25(3.5) Based on this equation how much would Dominic need to spend on gasoline to drive a distance of 1800 miles? A. $25.50
asked by Reid 
Math (Help please)
Hi! I'm a little confused on what I'm suppose to do for this problem. Can someone help? Thanks! Directions: Which element would be in Row 3, Column 1? [1 5 6 2 7 11 4 0 1 2 9 7]
asked by Heather 
English
What is another word for "other characters" like in a book? I tried using the thesaurus but still can't find a good word.
asked by Amy 
science
A protostar has a high enough ___ to become a star. A. Volume B. Mass C. Temperature D. Brightness Is the answer B? Thank you
asked by Kanani 
math
Consider the inequality x > , where x is a positive real number. Does the inequality have an infinite number of solutions? How do you know? Pease help me.
asked by Jay 
math
An architect is designing an office building with n floors that will have an FM radio antenna 15.85m tall on its roof. Each floor of the building will be 3.9m high. Which equation can be used to find the total height, h, of the building in meters,
asked by Harry 
English
What kinds of food can you make? 1. I can make pasta. 2. I can make ramen. 3. I can make noodles. 4. I can make fruit soup/juice. 5. I can make cooked rice. 6. I can make cookies. 7. I can make bread. 8. I can make Japanese food, sushi. 9. I can make
asked by rfvv