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Rachael

Questions (110)

X²+9x+20
1. 1 answer
2. 40 views
Factorise this equation 2y²_5×-3
1. 3 answers
2. 125 views
2y² -5×=3
1. 1 answer
2. 60 views
Factorise the following ×² +9×+20
1. 1 answer
2. 76 views
Two quantities p and q are connected by a linear relation of the form p=kq+c where c and k are constant a. If q=50 when p=20 q
1. 1 answer
2. 67 views
Two quantities p and q are connected vby a linear relation of the form p =kq+c where c and k are constants
1. 1 answer
2. 63 views
Escape velocity is the speed necessary to escape the gravitational pull of a planet. The escape velocity of Earth is 11.3 km/s,
1. 1 answer
2. 172 views
What is Sexual sin in details
1. 1 answer
2. 113 views
What types of behaviors fall under the category of sexual misconduct?
1. 0 answers
2. 58 views
How many electrons are present in 9 2+Be 4
1. 1 answer
2. 77 views
The valence electrons in 12Mg are in what orbital?
1. 1 answer
2. 75 views
A metallic ion Z2+ with an inert gas structure contains 18 electrons. How proton are contained in this ion?
1. 1 answer
2. 140 views
The electronic configuration of Fe3+ in its ground state is what?
1. 1 answer
2. 113 views
Hydrogen bonds are formed between molecules containing the hydrogen atom bonded to what?
1. 1 answer
2. 146 views
Which of the following arrangements is in increasing order of reactivity of halogens between F2 Cl2 Br2 I2, I2 Br2 Cl2 F2, F2
1. 1 answer
2. 140 views
Which of the following arrangements is in decreasing order of atomic radius between Li Be C B, Li B Be C, Li Be B C and C B Be
1. 1 answer
2. 121 views
Which of the following arrangements is in decreasing order of atomic radius between Li>Be>C>B, Li>B>Be>C, Li>Be>B>C and
1. 1 answer
2. 122 views
Which halogens is solid at room temperature between iodine chlorine bromine and flourine
1. 1 answer
2. 135 views
Which halogens is liquid at room temperature between iodine chlorine bromine and flourine
1. 1 answer
2. 250 views
Which halogens in solid is at room temperature between chlorine and iodine
1. 1 answer
2. 130 views
Which halogens in solid is at room temperature
1. 1 answer
2. 141 views
What is the shape of water molecule
1. 1 answer
2. 130 views
What is the percentage by mass of hydrogen in ethanoic acid?
1. 1 answer
2. 181 views
What is the bond angle of tetrachloromethane
1. 1 answer
2. 183 views
In which compound does hydrogen form ionic compounds
1. 1 answer
2. 119 views
What is the percentage by mass of hydrogen in ethanoic acid?Show workings
1. 1 answer
2. 130 views
What is the percentage by mass of hydrogen in ethanoic acid?Show workings bit by bit
1. 1 answer
2. 133 views
In which type of reproduction do offspring form on the surface of the parent
1. 1 answer
2. 250 views
A ball was dropped from a height 80m above a concrete floor. It re-bounced to a height of 1/2 of its previous height at each
1. 1 answer
2. 293 views
The 3rd term and 9th term of a G.P are 54 and 39,366 respectively.Find the:6th term,sum of the 4th and 7th term and product of
1. 3 answers
2. 887 views
A lift is used to carry boxes to the top floor of a hotel 20m high.A total weight of 100kg of boxes was carried up in 20
1. 1 answer
2. 537 views
Why does an author use a sequence as a way to organize a text
1. 1 answer
2. 760 views
How much carbon dioxide gas is there in a 30.3 L container at 42.0◦C and 6.24 atm?
1. 1 answer
2. 336 views
What is the volume of 0.190 g of C2H2F4 vapor at 1.19 atm and 25.8◦C?
1. 1 answer
2. 485 views
A 5.46 L cylinder contains 2.35 mol of helium gas at 7.0◦C. What is the pressure of the gas in the cylinder?
1. 4 answers
2. 476 views
Standardization of iodine solution was prepared using 10.0 mL of a standard, 1.00 mg/mL, ascorbic acid solution. Titration with
1. 1 answer
2. 934 views
HCl(aq) + LiOH(aq)--> H2O(l) + LiCl(aq)Did I do this right? I need help on finding the net ionic equation
1. 1 answer
2. 5,546 views
A slab of granite has a mass of 1400.0 grams. The specific heat of granite is 0.040 J/gC. How much heat must be absorbed to
1. 6 answers
2. 1,624 views
a missile is launched off a jet fighter travelling 300 meters per second. it accelerated with a constant acceleration of 100
1. 0 answers
2. 479 views
A stunt pilot is attempting to drop a water balloon from a moving airplane onto a target on the ground. The plane moves at a
1. 0 answers
2. 925 views
Why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small
1. 0 answers
2. 511 views
A researcher was interested in the emotional effects of music on exam performance. Before their exam, a professor took one group
1. 2 answers
2. 1,521 views
Suppose that the service rate to a waiting line system is 10 customers per hour (exponentially distributed). Analyze how the
1. 0 answers
2. 767 views
Four key marketing decision variables are price (P), advertising (A), transportation (T), and product quality (Q), Consumer
1. 1 answer
2. 1,676 views
If 30 samples of 100 items are tested for nonconformity, and 95 of the 3,000 items are defective, find the upper and lower
1. 0 answers
2. 436 views
If 30 samples of 100 items are tested for nonconformity, and 95 of the 3,000 items are defective, find the upper and lower
1. 0 answers
2. 685 views
In developing a multiple linear regression model in excel. How do I find the x and Y inputs. How do I find a 95% confidence
1. 0 answers
2. 525 views
Consider the experiment of drawing two cards from a deck in which all pictures cards have been removed and adding their values
1. 2 answers
2. 1,093 views
Consider the experiment of drawing two cards from a deck in which all pictures cards have been removed and adding their values
1. 1 answer
2. 717 views
Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values
1. 3 answers
2. 2,614 views
If F(x)=x^3−7x+5, use the limit definition of the derivative to find F�Œ(5), then find an equation of the tangent line to
1. 1 answer
2. 847 views
concentrated sulfuric acid is typically 18.1 M H2 SO4. Calculate the volume in mL of concentrated sulfuric acid needed to
1. 2 answers
2. 1,427 views
Given the the instantaneous voltage across a capacitor is VC=40(1-e -t/CR) Volts When being charged by a 40 volt DC supply, find
1. 1 answer
2. 505 views
Two ships sail from the same port. The first ship leaves port at 1:00a, and travels eastward at a rate of 15 knots. the second
1. 1 answer
2. 1,582 views
How many grams of HCL must be added to make 1 liter of a 2.0 M HCl solution?
1. 1 answer
2. 500 views
How many grams of HCL must be added to make 1 liter of a 2.0 M HCl solution?
1. 0 answers
2. 881 views
A class of 85 students writing an exam had a mean mark of 74.2 write down the total sum of the 85 grades.
1. 1 answer
2. 530 views
Use the numerical data from one of the data sets provided. · Develop one business research question from which you will
1. 0 answers
2. 675 views
"A cab driver picks up a customer and delivers her 3.31 km away, driving a straight route. The driver accelerates to the speed
1. 1 answer
2. 1,814 views
Given that the specific heat capacities of ice and steam are 2.06 J/g degrees celsius, respectively, and considering the
1. 1 answer
2. 1,015 views
In the reaction between bromine and sodium, a bromine atom gains an electron. What ion is formed? Is the bromine oxidized, or is
1. 7 answers
2. 5,470 views
A block is released on an inclined plane from a height of 1m. There is friction (static and kinetic =.4) and the mass of the
1. 1 answer
2. 832 views
N decreased by 12 is greater than or equal to 11?
1. 1 answer
2. 421 views
N decreased by 12 is greater than or equal to 11?
1. 2 answers
2. 354 views
A football is punted up into the air and it lands 5 seconds later. How high did the did the football reach it's highest point
1. 1 answer
2. 599 views
A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the
1. 1 answer
2. 1,097 views
1. Pick a business that you are familiar with and list three (3) fixed and (3) variable inputs associated with that business.2.
1. 0 answers
2. 705 views
Identify the acid or base behavior of each substance in this reaction:H2PO4 + H2O <----> H3O+ + HPO4-
1. 1 answer
2. 2,468 views
Show that the pH of a solution is -0.301 when its hydronium-ion concentration equals 2 M. Is the solution acidic or basic?
1. 1 answer
2. 516 views
what measurements do sociologists utilize to calculate prejudice
1. 1 answer
2. 455 views
solve each equation for 0 less than or equal to x greater than 2ð.cot²x-cscx=1 thanks:) step by step please :)
1. 1 answer
2. 596 views
The Ka value for ethanoic acid is 1.8x10^-5, what would be the pH of a 2.0x10^-2 M solution of ethanoic acid?
1. 1 answer
2. 1,282 views
The Ka value for ethanoic acid is 1.8x10^-5, what would be the pH of a 2.0x10^-2 M solution of ethanoic acid?
1. 1 answer
2. 519 views
which chromosome is breast cancer located on?
1. 0 answers
2. 374 views
The question is: Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this
1. 1 answer
2. 927 views
The question is: Isotonic saline is a 0.9% (g/100ml) solution of salty water. You are asked to make up 2L of isotonic saline.
1. 1 answer
2. 1,352 views
A helicopter is 400 miles directly north of Ghana and is flying at 20 miles per hour. A second helicopter is 300 miles east of
1. 1 answer
2. 1,285 views
Is the relation y> the absolute value of x+3 a function? Why?
1. 1 answer
2. 470 views
How do i compute the track of two circles one with a diameter of 100 feet, the other with a diameter of 200 feet? The question
1. 0 answers
2. 482 views
The height, in feet, of a free-falling object t seconds after being dropped from an initial height scan be found using the
1. 1 answer
2. 997 views
What is an appositive?
1. 0 answers
2. 664 views
You have a triangle that measures 180 degrees. AB is 4 units. the measure of BC is 5 units. The measure of CD is 12 units. What
1. 4 answers
2. 766 views
The measure of AB is 4 units, the measure of BC is 5 units and the measure of CD is 12 units. Find the measure of DE?
1. 2 answers
2. 329 views
The Burning MG in CO2 reaaction had deltaG=-746 kJ/mol at 298K. Calculate the equilibrium constant for this reaction.
1. 1 answer
2. 518 views
Conduction, convection, or radiation?The heat you feel from a fireplace
1. 2 answers
2. 1,611 views
How do i say i don't like history?
1. 1 answer
2. 458 views
What are the adjectives in each of the following:1. A quarter will not buy very much. 2. Do you need any food for the party?
1. 1 answer
2. 876 views
Who were the first Native American groups to settle in Ottawa, Illinois? Where did they come from? What kind of people were
1. 1 answer
2. 582 views
what are the major connections between the ashcan schools ethics and todays documentary photogrphers such as nan godin and
1. 1 answer
2. 1,095 views
a stone is thrown into a cylindrical water tank 2 feet in diameter, causing it to rise 1.5 inches. what is the volume of the
1. 4 answers
2. 608 views
What are the 3 numbers that com after trillion. I'm talk about this-Ex: million then billion. I want to know what comes after
1. 3 answers
2. 553 views
Two cats are taking a walk. 1 cat runs off. three cats come back. 1 cat sits down. How many cats in all are there if 6 more cats
1. 3 answers
2. 689 views
Meat patties are sold in packages of 12. Buns are sold in packages of 8. What is the least number of meat patties and buns
1. 5 answers
2. 1,225 views
What is the L.C.M. of 9 and 27? Also the G.C.F. of 9 and 27?
1. 1 answer
2. 382 views
What is the name of the mixture of sand, lime, and water used as lubricant to help move stones?
1. 2 answers
2. 979 views
Find three pairs of numbers for which the least common multiple equals the product of the two numbers
1. 1 answer
2. 663 views
The following data pertain to Pavilion Products Inc. (PPI):PPI has outstanding debt in the form of accounts payable, 6-month
1. 0 answers
2. 578 views
I need to fill in the blanks on my income statement/balance sheet. Here is the information given:The following data pertain to
1. 0 answers
2. 639 views
What are basic features of the American concept of Democracy?
1. 1 answer
2. 709 views
Good Afternoon,Could you please see if i have translated this english to french correctly? Most squirrels are active during the
1. 3 answers
2. 1,236 views

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