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Karen
Questions (567)
When drawn on a coordinate plane with the x-axis as the baseline, a wave with a crest that is closer to the baseline has a
1 answer
162 views
A printer has 15 rows of newsprint in the warehouse. What fraction of this total will remain if nine rolls are used?
1 answer
146 views
What is the probability that a 2-digit number chosen at random is divisible by 17?
1/15?
1 answer
358 views
The number of applicants for government vacancies in a particular city for the past 4 years are reported as below:
Year Number of
0 answers
352 views
Of the recent customers at West Coast Dogs, 30 wanted mustard on their hot dogs and 10 did not. Considering this data, how many
2 answers
1,546 views
You are shopping around for gym memberships. There are 3 gyms close to you. You go to the gym 3 times a week.
You are going to
1 answer
375 views
Each of the equal sides of an isosceles triangle is 7 cm longer than the other side. The perimeter is 89 cm. What is the
length
0 answers
430 views
dreamy ice cream company sells a single scoop sundae for $1.25. each additional scoop coasts #1.25 there is a fixed price of 50
2 answers
643 views
The product of two natural numbers must be a natural number
1 answer
413 views
What is the volume of a total of 0.5 moles of Cl2 at 3 atm and 100C?
1 answer
460 views
During a triathlon,sharon swims 1/4 of the total remaining route.She runs the rest of the route. If she runs 3600 meters ,find
1 answer
500 views
list all the isomeric isomer of C4H10O and classify them as primary,secondary, tertiary
2 answers
647 views
A jar contains 2 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X
2 answers
2,690 views
Find the range of the function F(x)= integral from negative 6 to x of √(36-t^2) dt
5 answers
1,709 views
If dy/dx= sin^2(πy/4) and y=1 when x = 0, then find the value of x when y = 3.
A) 0 B) 8/π C) - π/8 D) None of these
3 answers
436 views
Find the area of the region bounded by the curves y=x^2-1 and y=cos(x). Give your answer correct to 2 decimal places
1 answer
2,011 views
write and solve two subtraction problem that show how many of each animal therw might be. then write the numbersthey are four
1 answer
1,018 views
Given f'(x)=(2-x)(6-x), determine the intervals on which f(x) is increasing or decreasing
Options: 1) Decreasing (-∞,2);
2 answers
3,584 views
A particle moves along the x-axis so that at time "t" its position is given by s(t)=(t+3)(t-1)^3 ,t>0
For what values of "t" is
4 answers
1,708 views
Find the absolute maximum value for the function f(x)=x^2 - 3 , on the interval [-4,0) U (0,3]
1 answer
1,003 views
In the space below, provide the larger of the positive integers that add to 10 and have the largest possible product
1 answer
976 views
If f(x) is a continuous function defined for all real numbers, f(-1)=1, f(-5)=-10, and f(x)=0 for one and only one value of x,
1 answer
2,629 views
If f is a function such that
(f(b) - f(a))/(b-a) =2, then which of the following statements must be true a) f(a) = f(b) =2 b) the
3 answers
1,252 views
A gallon rises at the rate of 8 feet per second from a point on the ground 12 feet from an observer. To 2 decimal places in
4 answers
983 views
2/x+5 - x/x-5 =1
I multiplied both side by (x+5) (x-5) or by x^2 -25 and I arrive at -x^3+x^2+25x-25 =0 And now I am stuck.
2 answers
404 views
Which of the ff function cannot be expressed in explicit form of dy/dx
4x+4y=2 xy-y^2=1 ycosx=5 My answer is ycosx=5
1 answer
537 views
Jerry spent 1/5 of his allowance on a book and 3/8 on a book. He remained with $12.00. Calculate Jerry allowance, the cost of
3 answers
497 views
One out of 37 high school ball players play college ball. one out of 22 college players play professional ball. what fraction of
1 answer
650 views
How much heat is required to convert 9.00 g of water at 100°C into steam at 100°C, if ∆Hvap for water = 40.7 kJ/mol?
1 answer
1,454 views
y1+x2=90 solve
1 answer
301 views
If 4.39 g AlCl3 is dissolved in enough water to make exactly 100.0ml of a solution, what is the molar concentration of the
1 answer
4,166 views
The weight of the nucleus is known as the?
atomic mass?
1 answer
476 views
29.25g of sodium chloride is added to water and undergoes electrolysis according to this equation 2Cl-=Cl2
Calculate the mass of
3 answers
755 views
Glucose( C6H12O6) is produced by photosynthese.
For every kilo of water the plant takes in ,how much glucose can it make ? I done
2 answers
746 views
please help
find the inverse function f-1(x) if f(x)=10^(3x) f(x)=log2(4x) Thanks a lot
1 answer
367 views
I need help, please
find the exact value of 2log3 27+log3 (1/3)-log3 3^1/2 many thanks
1 answer
900 views
2 key differentiators and 2 examples of anthropology compared to history and sociology.
I found the definitions of each- Cultural
0 answers
760 views
A digital clock shows either 3 or 4 digits at a time. What time do the digits have the greatest sum!
1 answer
686 views
The radius of a magnesium atom is 160 pm & its mass is 4.04 X 10^-23 g. What is the density of the atom in grams per cubic
4 answers
2,755 views
What is the condensed structural formula of cyclopropane?
1 answer
3,152 views
A Texas oil drilling company has determined that it costs $25,000 to sink a test well. If oil is hit,
the revenue for the company
1 answer
1,106 views
A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the
1 answer
752 views
E6------E= -0.378eV
E5------E= -0.544eV E4------E= -0.850eV E3------E= -1.51eV E2------E= -3.40eV Use the figure shown above to
1 answer
777 views
There is 5 gallons of pineapple juice and I have a six oz glass how many drinks do I get out of the five gallon jar ?
1 answer
413 views
What is the approximate circumference if diameter is of 23 feet
1 answer
1,062 views
Place parentheses in the expression to make it equal 60?
2×6+6+3×2
1 answer
823 views
How to solve sin(x/2) = 1 - cos x? I know you would use the half angle identity sin(x/2) = +-(√1 - cos x/2), just don't know
2 answers
434 views
How to solve sin(x/2) = 1 - cos x? I know you would use the half angle identity sin(x/2) = +-(√1 - cos x/2), just don't know
0 answers
471 views
when z is divided by 8, the remainder is 5. What is the remainder when 4z is divided by 8. Can you please explain this to me
1 answer
1,680 views
A table is supported against a wall forming an angle with the vertical. The coefficient of static friction between the table and
0 answers
434 views
Why did the framers insist that federal judges be appointed for a lifetime of service?
9 answers
4,222 views
How long does a car with an acceleration of 2.0 m/s2 take to go from 10 m/s to 30 m/s
a. 3 m b. 6 m c. 18 m d. 36 m
1 answer
1,701 views
The total tickets sales for a highschool basketball game were $2.00. The tickets price for students was $2.25 less than the
1 answer
563 views
A random sample of size n is to be drawn from a population with a mean = 500 and sd = 100. What sample size would be necessary
2 answers
840 views
if Sam invested $10,000 at simple interest, some at 3% and some at 4% and paid $320 , what was the amount invested at each rate?
1 answer
524 views
The amount of force required to compress a spring is inversely proportional to the distance that it has been compressed. For one
2 answers
987 views
Equation to use
Al + Cl2 -> AlCl3 You have 8.6 moles of aluminum, how much in moles of chlorine do you need to react completely?
1 answer
1,090 views
For every 5 highlighters that Agnes buys , she gets 1 free. If Agnes needs 80 highlighters, what is the least number of
2 answers
886 views
Aaron and Ben have a total of 976 trading cards. Ben has 7 times as many cards as Aaron. How many cards should Ben give Aaron so
1 answer
619 views
The temperature at 8:00 a.m. was 46°F. By 1:00 p.m. it was 18° warmer. Which equation would help you figure out what
2 answers
462 views
The price of a home is 177,000. The bank requires a 20% down payment and three points at the time of closing. The cost of the
1 answer
875 views
A total of 120 students attend top view high school.the ratio of teachers to students is 1:30. Whats the answer
1 answer
644 views
120 students attend top view high school.the ratio of teacher to students is 1:30.
1 answer
453 views
During summer vacation, Sanjay writes letters and postcards to his friends at home. A letter costs $0.41 to mail and a postcard
1 answer
812 views
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 8% per annum compounded monthly, how much does she
0 answers
591 views
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 8% per annum compounded monthly, how much does she
1 answer
969 views
Jeremy takes out a 30-year mortgage of 220000 dollars at an annual interest rate of 7 percent compounded monthly, with the first
1 answer
1,360 views
A ship starts at port P, sails 226 deg (T) for a distance of 120 km. 1. How far south of P is it?
2. How far west of P is it?
1 answer
490 views
1Which of the following would john locke most favor
Republic Oligarchy Theocracy Absolute monarchy 2Whay was james i resistant to
2 answers
1,354 views
For your phone calls, you can either A) buy a prepaid monthly plan, or B) pay as you go. A cost $50 per month and calls are free
1 answer
533 views
Allan gave 5/8 of his money to his son and then gave his daughter 1/2 of the remainder. He kept $150.00 for himself.
How much
2 answers
542 views
Explain how the line plot would change if you measure a purple pen that is inches long
1 answer
473 views
How many millimoles of HCl (aq) are neutralized by 0.35 g of CaCO3 (sol)? mmol
1 answer
2,982 views
A volunteer ambulance service handles 0 to 5 service calls on any given day. The probability distribution for the number of
0 answers
1,335 views
Three isotopes of Neon occur naturally:
20Ne (mass = 19.9924 amu) 21Ne (mass = 20.9938 amu) 22Ne (mass = 21.9914 amu) If the
2 answers
1,222 views
How do you Find the mass (in g) of Carbon in 2.980 g Carbon dioxide?
I saw the question asked before but couldn't find a
0 answers
422 views
Area of a triangle is72cm squared
base=12 height=?
2 answers
380 views
I posted this in my last question but its not showing up for me.. But i have redone the questions you said were wrong and i was
1 answer
488 views
Okay so i put a star* by each of my answers.
6 answers
657 views
A 50.0g sample of copper at 10.0 C is placed in 200.0g H20 at 40.0 C in a calorimeter. Heat flows from the water to the copper
1 answer
688 views
Two ships leave port at 4 p.m. One
is headed N38°E and is travelling at 11.5 km/h. The other is travelling at 13 km/h, with
3 answers
3,154 views
Two ships leave port at 4 p.m. One
is headed N38°E and is travelling at 11.5 km/h. The other is travelling at 13 km/h, with
1 answer
1,172 views
Wyatt and Allyson were asked to solve a percent problem using the number 13 and 38. Wyatt found 13% of 38 and allyson found 38%
0 answers
419 views
A 5000 kg truck rear ends a 2500 kg car. Both vehicles applied brakes at the moment of the impact and began to skid. After the
0 answers
602 views
Part A: Max rented a motorbike at $465 for 5 days. If he rents the same motorbike for a week, he has to pay a total rent of
2 answers
1,053 views
A glass bottle has a volume of 1L and weighs 500g. When half filled with oil, it weighs 1750g. What is the density of the oil in
2 answers
1,248 views
The mystery compound CxHy is completely reacted with O2 to yield 44 gr CO2 and 18gr H2O. What is the empirical formula of CxHy?
I
1 answer
448 views
Assume that the atomic diameter of an atom of element X is 2A and that 1.0 x 10(16th) atoms are arranged in a simple 2D square
3 answers
455 views
Consider the unbalanced reaction CO + H2O > CH4 + O2. All reactants in the gas phase. Calculate the H per mole of H2O reacted.
3 answers
575 views
When balancing the following, what is being reduced, what are the reducing agents, and what is the initial and final oxidation
2 answers
496 views
Fe3O4(s) + C(s) > CO2 + Fe
Balance the chemical reaction and calculate how many moles of Fe3O4 must be reacted to produce 440 gr
1 answer
690 views
2.0 x 10(exp-13) km/0.01=
2 answers
354 views
Consider the unbalanced reaction CO + H2O > CH4 + O2. All reactants in the gas phase. Calculate H per mole of H2O reacted. (The
0 answers
544 views
At the end of the Halloween Festival the organizers estimated that a family of participants spent an average $45.00 with a
0 answers
425 views
Caleb sold boxes of candy. Some sold for $2, and some sold for $3. He sold a total of 35 boxes and received $92. How many boxes
4 answers
660 views
what is the crow's foot ERD of this problem?
1 answer
529 views
Ryan's average for 5 arithmetic test was 89. On four of the tests he made 96,86,92, and 80. What did he make on the fifth test?
3 answers
825 views
A recipe or trail mix calls for 1/4 cups of raisins, 1 1/2 cups of granola, 1/2 cup of mixed nuts, and 1/8 cup of chocolate
4 answers
1,840 views
The tortoise and the hare are in a race of 1000m distance. The tortoise travels the entire race at a speed of 2.0 m/s while the
2 answers
985 views
Nitrogen boils at -196°C. What is the corresponding temperature in the Fahrenheit scale?
A) -290°F B) -346°F C) -315°F D)
1 answer
1,268 views
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