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2017
June

Questions Asked on June 5, 2017

Find moles of O atoms in 9.00g of Mg(NO3)2.
1. 5 answers
2. asked by ABC
3. 4,600 views
what is the effective interest rate of an 8% 13-week treasury bill? assume it is a $10,00 treasury bill, and round to the
1. 1 answer
2. asked by karen
3. 4,454 views
A 4-ft vertical post casts a 20-in shadow at the same time a nearby cell phone tower casts a 115-ft shadow. How tall is
1. 5 answers
2. asked by mike
3. 4,431 views
1. The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2
1. 2 answers
2. asked by X
3. 3,277 views
Consider a lead-acid battery with 500 Ah capacity and a rated voltage of 12 V.a)What is the total capacity of energy in
1. 3 answers
2. asked by John
3. 3,246 views
1. Imagine you work in a steel mill in a large industrial city in England in the late 1800s. You live in a neighborhood with
1. 2 answers
2. asked by jaime lynn
3. 3,033 views
the angle of elevation of a tower at place A south of it is 30degrees and at B west of A and a distance of 50 from it the angle
1. 5 answers
2. asked by jack
3. 2,610 views
Please helpHow did Inflation in the 1970s contribute to washington's. boom-and-bust cycles? A.It decreased unemployment in key
1. 24 answers
2. asked by Cody
3. 2,540 views
X^3+5x-4=0 Show this equation has a solution between x=0 and x=1.(The question is two marks)
1. 3 answers
2. asked by Winter
3. 2,343 views
The number of fish in a tank decreases by x% each year. Given that the number of fish halves in 8 years, work out the value of
1. 5 answers
2. asked by Winter
3. 2,233 views
a 60 meter high building is erected vertically on a hillside. An electric post stands vertically on the hill. An observer at the
1. 2 answers
2. asked by jack
3. 1,898 views
Find the probability that theven pointer will stop on an odd number or a number less than 7
1. 1 answer
2. asked by Anonymous
3. 1,615 views
Solve the following equation. Show all steps.x/x-2+x-1/x+1=-1
1. 3 answers
2. asked by Anonymous
3. 1,443 views
What fraction of a square mile is a field that is 1/2 mile long and 1/4 mile wide?
1. 2 answers
2. asked by bill
3. 1,434 views
prove the profit maximization of the consumer i.e. mu=p, accordintg to cardinalist using mathmatical derivation.
1. 2 answers
2. asked by seyoum
3. 1,360 views
Select the proper order of examination"Fingerprints, trace evidence, DNA" "Disease diagnosis, DNA, fingerprints" "Ink analysis,
1. 1 answer
2. asked by Ann
3. 1,288 views
If you are throwing a dart at the circular target pictured below, and it is equally likely to hit any point on the target, what
1. 1 answer
2. asked by Lu
3. 1,196 views
Draw a shape that exhibits rotational symmetry of order 3 and 1 line of symmetry.
1. 2 answers
2. asked by Anonymous
3. 1,171 views
What is the exact value of x?5⋅84x=376 x=log75.2/4log8 x=4log8/log75.2 <my answer x=log84/log75.2 x=4log75.2/log8
1. 1 answer
2. asked by sammiexo
3. 1,169 views
Given that $x^n - \frac1{x^n}$ is expressible as a polynomial in $x - \frac1x$ with real coefficients only if $n$ is an odd
1. 2 answers
2. asked by Kei
3. 1,154 views
Jack spends 1 3/5 as long on his homework as Jill. Last week, Jill spent 7 1/4 hours doing homework. How long did Jack spend
1. 1 answer
2. asked by Chloe
3. 1,114 views
write the polynomial in standard form then name the polynomial based on its degree and number of terms 10 g - 7 g^3 + 2g^2 - 5a.
1. 2 answers
2. asked by Rob
3. 1,070 views
A certain type of bacteria is growing at an exponential rate that can be modeled by the equation y=ae^kt, where t represents the
1. 1 answer
2. asked by Aria
3. 1,069 views
A circle with a central <JKL that measures 125° has a diameter of 13 feet. What is the area of sector JKL?Use 3.14 for , and
1. 2 answers
2. asked by Lu
3. 1,039 views
A circle with center O has a diameter of 14 feet. Points M and N are placed on the circle so that M<mon . Find the length of the
1. 2 answers
2. asked by Lu
3. 973 views
Suppose we have the following identity:(px + (1-p)y)^2 = Ax^2 + Bxy + Cy^2. Find the minimum of max(A,B,C) over 0 \leq p \leq 1.
1. 2 answers
2. asked by Oikawa
3. 957 views
a 500g ball traveling with a velocity of 5m/s strikes a vertical wall rebounds with a velocity of 4m/sFind a) change in pressure
1. 0 answers
2. asked by Vincy
3. 923 views
an icecream shop offers 5 different flavors of icecream and 12 different toppings. how many choices are possible for a single
1. 1 answer
2. asked by mya
3. 910 views
A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown
1. 6 answers
2. asked by Adam
3. 886 views
Reaction between potassium dichromate and sulphur dioxide gas??
1. 1 answer
2. asked by Sahil lesnar
3. 879 views
Suppose f(x) is a rational function such that 3f(1/x)+(2f(x)/x)=x^2 for all non-zero x. Find f(-2).I noticed that f appears as
1. 1 answer
2. asked by Tobio
3. 825 views
Jack spends 1 3/5 as long on his homework as Jill. Last week, Jill spent 7 1/4 hours doing homework. How long did Jack spend
1. 1 answer
2. asked by Chloe
3. 816 views
Express the integrated as a sum of partial fractions and evaluate the integral3x2+x+9/(x2+5)(x-6)
1. 2 answers
2. asked by Rosali
3. 805 views
A penny is dropped onto a rectangular surface. If it is equally likely for the penny to land anywhere inside the large
1. 1 answer
2. asked by Lu
3. 780 views
1. She is fond of scuba diving.2. She likes scuba diving. 3. She is afraid of snakes. 4. She fears snakes. 5. She is aware of
1. 1 answer
2. asked by rfvv
3. 770 views
A body of mass 300g is whirled in a horizontal circle by means of a 60cm long cord. If the cord can sustain a tension of 400N
1. 1 answer
2. asked by Vincy
3. 742 views
a small plane is traveling due south a t a velocity of 90 m/s. It suddenly encounters a tailwind of 27 m/s heading due south.
1. 2 answers
2. asked by sylvia
3. 741 views
A curve along the highway is to be designed for cars moving at 100km/hr. Find the angle of banking if the radius of the curve is
1. 1 answer
2. asked by Vincy
3. 739 views
A block of mass m is pressed against a vertical wall with a force F acting at an angle theta. What are the maximum and minimum
1. 3 answers
2. asked by Riley
3. 735 views
Block A (mass = 3 kg), moving at +5 meters per second, collides with stationary block B (mass = 4 kg). Block A comes to a sudden
1. 2 answers
2. asked by Rachel
3. 733 views
To what extent does writing connect with people and society? Provide one source thats supports and one source that refutes. The
1. 2 answers
2. asked by Aria
3. 730 views
After defining the scope of the system, the next step is to: a) conduct a feasibilty study. b) determine requirements. c) form
1. 1 answer
2. asked by Bria
3. 699 views
Which set of ordered pairs is not a function?A. (4, –2), (–2, 2), (2, –2), (4, 2)B. (–4, 2), (–2, 2), (2, 2), (4, 2)
1. 6 answers
2. asked by Britnee
3. 693 views
A car tire contains air at a pressure of 24 lb/in^2 at 0 degrees C. If the volume of the tire remains unchanged, what will the
1. 2 answers
2. asked by Jesse
3. 676 views
Find the final temperature, given that the initial temperature of a 40 g piece of Aluminum is 25 degrees Celsius and it is
1. 3 answers
2. asked by Ashley
3. 668 views
1. They moved in yesterday.2. They moved out the day before yesterday. 3. They moved into yesterday. 4. They moved in the
1. 1 answer
2. asked by rfvv
3. 668 views
At 3:00am your parents ring the doorbell for a surprise breakfast.u have strawberry jam,honey and Bread and cheese wat do u open
1. 1 answer
2. asked by Henry
3. 642 views
You have combined 1.218 moles of calcium ions and 0.943 moles of lithium ions in enough solvent to make 500.00mL of solution.
1. 2 answers
2. asked by Jacob
3. 637 views
Evaluate the integral by first performing long division on the integrated and then writing the proper fraction as a sum of
1. 1 answer
2. asked by Rosali
3. 602 views
Hello, can anyone help me answer this question:What is the result of a silent mutation at a) DNA level b) amino acid level c)
1. 1 answer
2. asked by Aaron
3. 597 views
Using chemical equations, write the chemical reactions for the following; photosynthesis, combustion, corrosion of iron.
1. 1 answer
2. asked by Elle
3. 575 views
How many moles of nitrate ions are present in 24.0mL of a 2.93M solution of potassium nitrate?I'm thinking this is some form of
1. 1 answer
2. asked by Matthew
3. 573 views
A 20 kg body moving at 30m/s is to be stopped by a constant retarding force of 100N. What is the impulse due to the force? How
1. 1 answer
2. asked by Vincy
3. 551 views
100 ft rope is cut in two pieces so that the larger piece is 2 less than twice the shorter piece. What is the length of the
1. 1 answer
2. asked by jay
3. 550 views
The function f:R⇒R satisfies xf(x)+f(1-x)=x^3-x for all real x. Find f(x).
1. 1 answer
2. asked by Kenma
3. 547 views
A conical pendulum consists of a 200g body at the end of a 40cm long string making 10degrees with the verticalFind a) Velocity
1. 1 answer
2. asked by Vincy
3. 530 views
Give two reasons why it is difficult for scientists to predict exactly how the climate will change in the future?
1. 1 answer
2. asked by Helppp Science emergency
3. 518 views
Find moles of atoms in 9.00g of Magnesium nitrate.And please tell me method of typing molecular formula of any compound as of
1. 2 answers
2. asked by ABC
3. 518 views
I have a question related to oxidizing agents. Why do some oxidizing agents have to be in acid medium?For example the potassium
1. 1 answer
2. asked by Helen
3. 513 views
An airplane having a mass of 3000kg performs a vertical loop to loop maneuver at 400km/hr. What is the radius of the largest
1. 1 answer
2. asked by Vincy
3. 502 views
Draw a right triangle having hypotenuse of length 5.6 cm and with one of the acute angles 30 degree.
1. 1 answer
2. asked by Vijay
3. 501 views
A baseball traveling upward passes a window 29.0 m above the street with a vertical speed of 14.0 m/s. If the ball was thrown
1. 1 answer
2. asked by Adam
3. 483 views
Which of these will contain avogadro number of molecules:1)22.4dm3 of co2 at 27∘c and 1atm contain 2)44g of at 27∘c and 1
1. 2 answers
2. asked by Suhas
3. 482 views
The width of a rectang;e is w=r-5 and the area is r^3-24-5. What is the length? Please tell me how you solved. Thank you.
1. 2 answers
2. asked by Samantha
3. 471 views
i am confuse to prepare the buffer please tell me how to prepare the 0.02 M Sodium phosphate buffer, pH 6.9 with 0.006 M sodium
1. 0 answers
2. asked by Dayalu Naik
3. 466 views
1. My dog spends most of the time at home.2. My dog spends most time at home. (Are both the same?) 3. He got married to Susan in
1. 1 answer
2. asked by rfvv
3. 449 views
Please could you check my grammar. thanks1.Other Color Print Price, depending on the image’s size
1. 2 answers
2. asked by jessie
3. 448 views
A particle moves along a trajectory given by p(t) = <6t, (2 + 3t - 2t^2)>. What is the particle's displacement during the time
1. 1 answer
2. asked by Hannelore
3. 445 views
I am a 5 digit number, my tens digit is thee times the hundreds digit
1. 1 answer
2. asked by francis
3. 444 views
Suppose that f(x) and g(x) are functions which satisfy f(g(x))=x^2 and g(f(x))=x^3 for all x ≥ 1. If g(16)=16, then compute
1. 0 answers
2. asked by Kenma
3. 443 views
1. He passed the bakery and met one of his friends.2. He passed a stream and became wet. 3. He passed a stream and found a
1. 1 answer
2. asked by rfvv
3. 426 views
Reaction between potassium dichromate and sulphir dioxide gas?
1. 0 answers
2. asked by Sahil lesnar
3. 425 views

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