Answers created by Oliver S.
- Back to user's profile
-
Next
-
A 12 inch (in diameter) pizza is cut into various sizes. What is the area of a piece that was cut with a central angle of 31 degrees?
The area of the piece of pizza is approximately ____ square inches.
(Round to two decimal places as needed.)
-
If Jacob ran 24 kilometers, how many miles did Jacob run?
-
The footfall player has a mass equal to 100kg standing on earth surface at distance of 6.38×10^6m.calculate force of gravitational attraction between the earth and football player?
-
What would be the kinetic energy?
-
"Twice of a number is 15 less than the two third of the number".Express it in an algebraic equation form?
-
What net force is required to give a 25 kg suitcase an acceleration of 2.2 m/#s^2# to the right?
-
State Stefan's law of radiation.?.
-
How can I represent a car that is accelerating in speed-time graph?
-
What is the kinetic energy of an object with a mass of #1 kg# that has been in freefall for #4 s#?
-
Find the change in temperature if 1500 J of heat is added ?
-
What is the pOH in a solution that has pH=11.39?
-
What are the difference between distance and displacement?
-
Write down the difference between a potassium atom and a potassium ion?
-
How do you write an equation of a line with slope 2 and y-intercept 4?
-
Calculate the mass of CO needed to react completely with 50.Og of Fe2 03?
-
What is the equilibrium concentration of H3O+ in a 0.20 M solution of oxalic acid?
-
OH- Concentration of 0.015 M HCl?
-
Calculate the amount of heat required to convert 45.0 g of water at 43.0 ∘C to steam at 100.0 ∘C.?
-
A model train, with a mass of #5 kg#, is moving on a circular track with a radius of #9 m#. If the train's rate of revolution changes from #4 Hz# to #5 Hz#, by how much will the centripetal force applied by the tracks change by?
-
Calculate the number of electrons drifting per second through the filament of a 100 W- 220 V bulb , when glowing.(e = 1.6 * 10^ -19 )?
-
Can you help me please?
-
Molly recieves a $25 gift card to her favorite movie theater. It costs $6.50 for show times before 4 pm and $9.25 for shows after 4 pm. What is an equation that gives the balance remaining (b), on the gift card if molly sees (m) movies after 4 pm?
-
A car depreciates at a rate of 20% per year. So, at the end ofeach year, the car is worth 80% of its value from the beginning of the year. What percent of its original value is the car worth at the end of the third year?
-
The value of an early American coin increases in value at the rate of 6.5% annually. If the purchase price of the coin this year is $1,950, what is its value to the nearest dollar in 15 years?
-
Chemistry A/As Level question? HELP!
-
How do you find the antiderivative of #f(x)=8x^3+5x^2-9x+3#?
-
How do you express #sqrtt# as a fractional exponent?
-
What is ΔH in kJ for the reaction below?
-
The x-axis is the _____ axis of a graph ?
-
Compare and contrast isotopes and atoms ?
-
What is your limiting reactant if 32 grams of CH4 reacts with 32 grams of oxygen gas?
-
How do you calculate the energy change of reaction for the following reaction?
-
How do alpha particles cause ionisation?
-
Chem Help????
-
How do velocity and acceleration differ?
-
Why is the change in Gibbs energy negative?
-
What is the value of #log_7 648#?
-
Can forces be combined?
-
How do you find the amplitude, period and phase shift for #y=cos3(theta-pi)-4#?
-
What is meant by concertration of a solution? How will you prepare a 10% of glucose by mass in water?
-
What happens at the anode and cathode in a voltaic cell?
-
Why is pOH important?
-
What it metal cation, including charge, from the compound #CuCl_2#?
-
How many stable isotopes does oxygen have?
-
A man is pulling on his dog with a force of 70.0 N directed at an angle of +30.0° to the horizontal. What are the x and y components of this force?
-
Expalain the free radical substitution of alkane?
-
Calculate the number of sodium ions and chlorine ions and total number of ions in 14.5g of NaCl ?
-
What is the best way to study for an Algebra test?
-
How do you use the chain rule to differentiate #f(x)=sin(1/(x^2+1))#?
-
What is the derivative of this function # y=sin x(e^x)#?
-
How do you find the slope of the line passing through the points (-7,3) and (3,8)?
-
What is mRNA sequences (AAUG or CCGAU,)?? Please let me know in easy language. Thank you so much.
-
An American football field is a rectangle with a perimeter of 1040 fee. The length is 200 feet more than width. How do you find the width and the length of the rectangular field?
-
What are the simple units that make up proteins?
-
How do you solve #-2 = 8 - 2y#?
-
How to use the discriminant to find out how many real number roots an equation has for #2m^2 - m - 6 = 0#?
-
How do you write as a mathematical expression: The product of 5 and x?
-
(sinx-cosx)²=1-2 sinx cosx prove?
-
What is #int_1^4(.2x^3-2x+4)dx# ?
-
A collection of 22 laptops includes 6 defective laptops. If a sample of 3 laptops is randomly chosen from the collection, what is the probability that at least one laptop in the sample will be defective?
-
One card is selected at random from a standard deck of cards of 52. what is the probablity that the card selected is red or picture card?
-
The square of Mark's age 3 years ago is 6 times the age he will be in 9 years. What is his age now?
-
How do you find the volume of the solid generated by revolving the region bounded by the graphs of the equations #y=sqrtx#, y=0, and x=4 about the y-axis?
-
If a sample of LiF is found to contain 7.73 x 10^24 Li+ ions how many grams of LiF formula units are present?
-
The rate determining step is what part of a reaction?
-
The weight of an object on the moon. varies directly as the weight of the objects on Earth. A 90-pound object on Earth weighs 15 pounds on the moon. If an object weighs 156 pounds on Earth, how much does it weigh on the moon?
-
What are 3 applications of nuclear radiation?
-
How do you solve the quadratic #x^2-2x+1=0# using any method?
-
Why are some molecules hydrophobic?
-
What happens to the distance between energy levels at higher energy levels?
-
How do you expand #(3x-5y)^6# using Pascal’s Triangle?
-
If 5,100 Joules of heat are released when a sample of water freezes,what is the mass of the water?
-
How many joules of heat must be added to a 2 kg sample of methanol for it to boil?
-
If you have 16.8 L of gas at 1.0 atm, what is the new pressure if the volume is reduced to 15.0 L?
-
Oxalic acid is diprotic. What volume of 0.100M KOH is required to neutralize 25ml of 0.333M oxalic acid?
-
How do you multiply #(7z + 8x ) ( 7z - 8x )#?
-
How do you simplify #4a+5a^2+2a^2+a^2#?
-
Going 40 miles an hour how long would it take me to go 60 miles?
-
Which chemical properties make a substance hydrophilic?
-
How many atoms are in one dozen? How many atoms are in 1 mole?
-
The empirical formula of a compound is CH2. Its molecular mass is 70 g mol what is its molecular formula?
-
A 4.0 M solution of Mg(OH)2 is completely neutralized 160 mL of a 1.0 M solution of HCl.
How many milliliters of magnesium hydroxide were required?
-
What’s the final temperature in Kelvin of 1.5 gallons of water, with an initial temperature of 50 Fahrenheit, if you add 432 kJ to the water?
-
How do you find the domain and range of # 2(x-3)#?
-
How many grams of oxygen gas are needed to produce 36.0 grams of water ?
-
Question #c40ec
-
Balancing equations?
-
A wave has a frequency of 62 Hz and a speed of 25 m/s (a) What is the wavelength of this wave (b) How far does the wave travel in 20 seconds?
-
The specific heat of water is 4.184 J/g times celsius degree. How much heat is required to raise the temperature of 5.0g of water by 3.0 C degrees?
-
Can you help with this Chemistry question?
-
Question #a339b
-
Y=x+5 and 4x+y=20?
-
Question #abb9c
-
How do covalent bonds form?
-
Does the number of valence electrons affect chemical properties?
-
Question #495b7
-
When bonds form, energy does what?
-
How many molecules are in 30 liters of methane #CH_4# at STP?
-
Question #ca2e6
-
Next