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Questions Asked on December 6, 2020

The equation shows the complete combustion of propane.C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(i) Which statement is correct? A)
1. 1 answer
2. asked by Muhammad Haris
3. 3,023 views
The concentration of a hydrochloric acid solution is 0.5mol/dm3.How many moles of hydrochloric acid are present in 25cm3 of this
1. 5 answers
2. asked by Muhammad Haris
3. 3,913 views
A metal x with relative atomic mass 56 forms an oxide with formula x2O3 . How many grams of metal will combine with 10g of
1. 28 answers
2. asked by Harriet
3. 3,049 views
If 5.00 mL of 1.456 M aqueous NaOH and 5.00 mL of 1.456 M aqueous HF were each pipetted into a simple calorimeter, how many
1. 2 answers
2. asked by Anonymous
3. 486 views
A bulet is fired horizantaly withe the velocity of 40m/s from the top of building 50m heigh how form from foot of the building
1. 1 answer
2. asked by pharteemarh
3. 233 views
The 12th term of an AP is -41 given that the first term is 3, find the 20th term.
1. 1 answer
2. asked by Ella
3. 627 views
I NEED A GOOD GRADE ON THIS TO PASSWhich term best describes the style of Gregorian chant? A. a capella B. polyphonic C. cantus
1. 18 answers
2. asked by HELLLP
3. 5,666 views
if point p(6,9) is reflected across the line y=2 what are the coordinates of its reflection image?The problem is that what does
1. 8 answers
2. asked by A random guy that needs help
3. 5,832 views
If x-1, x+1 and 3x+3 forms a G.P, find the value of x
1. 1 answer
2. asked by Samuel
3. 240 views
Suppose that X is uniformly distributed on the interval [3,8] , and that given X=x , Y is uniformly distributed on the interval
1. 3 answers
2. asked by Vala
3. 2,676 views
Suppose that X is uniformly distributed on the interval [3,8] , and that given X=x , Y is uniformly distributed on the interval
1. 3 answers
2. asked by Vala
3. 2,688 views
how do you reflect a shape over the x or y axis when its already on the line, like the preimage is already on to of the line,
1. 3 answers
2. asked by A random guy
3. 1,326 views
Consider a set of n vectors in the space R^n.Why do we say that a n*n matrix with those vectors as it's columns, is a basis for
1. 2 answers
2. asked by Ashley
3. 293 views
If we added 25.00 mL of aqueous solution 1 to a simple calorimeter and 25.00 mL of aqueous solution 2 to the same simple
1. 1 answer
2. asked by Anonymous
3. 470 views
Mention and explain 14 usefulness of science
1. 3 answers
2. asked by Dupe
3. 429 views
A tennis ball is projected at an angle ∅ attains a range of R = 78mIf the velocity is imparted to the ball by the racket is
1. 2 answers
2. asked by Diamond
3. 1,266 views
1-A body accelerates from rest at 0.2m/s from one fifth of a minute.calculate the distance covered.2-A bus travelling at 15m/s
1. 1 answer
2. asked by Fatima
3. 482 views
A scientist fills a glass container with water and places an aquatic plant inside the container, then closes the lid and places
1. 46 answers
2. asked by Me
3. 6,312 views
The square of a certain number is 22cm than 13 time the original number find the number
1. 2 answers
2. asked by Tochukwu
3. 584 views
Let f be the function defined by f(x)=2x+3e^−5x, and let g be a differentiable function with derivative given by
1. 1 answer
2. asked by Thomas
3. 1,984 views
What is a monomial??
1. 1 answer
2. asked by Chris
3. 321 views
which of the following is an important aspect of a franchise?A.spending a lot on advertising B.having a unique and interesting
1. 1 answer
2. asked by meow
3. 647 views
Chemical Bonds.. Lesson 3 Unit 4. multiple choice. first question- which is most likely to be part of an ionic bond?- an atom
1. 1 answer
2. asked by Olivia
3. 642 views
Fiona is making a graph that contains the points (2, 20), (4, 40), and (6, 60). She wants to add one more point. Which of the
1. 1 answer
2. asked by navy
3. 426 views
To estimate the bias of this coin. We flip it 6 times, and define the (observed) random variable N as the number of Heads in
1. 1 answer
2. asked by Vala
3. 746 views
Suppose that X is uniformly distributed on the interval [3,8] , and that given X=x , Y is uniformly distributed on the interval
1. 0 answers
2. asked by Vala
3. 2,095 views
Use Gauss's approach to find the follwing sums 1 + 2 + 3 + 4 + ...+1002
1. 1 answer
2. asked by Donna
3. 1,045 views
Five more than the product of 21 and Chau's score
1. 1 answer
2. asked by makayhla
3. 263 views
Draw a free body diagram for a satellite in an elliptical orbit showing why its speed increases as it approaches its parent body
1. 1 answer
2. asked by John
3. 2,114 views
A perfectly absorbing spherical dust grain of radius a and density r is in a circular orbit of radius R around a star of mass M
1. 0 answers
2. asked by Jerohm
3. 306 views
How is a sample value standardized?Do you do so by using the z-score formula, which is the value subtracted by the mean of all
1. 0 answers
2. asked by Elizabeth
3. 238 views
52. Liola drives 19 km up a hill that is at a grade of 15o. What horizontal distance, to the nearest tenth of kilometer, has she
1. 1 answer
2. asked by Please Help
3. 927 views
simplify the question with the restrictionx^2+9y^2/x-3y + 6xy/3y-x
1. 1 answer
2. asked by John
3. 537 views
Two pieces of metal (A and B) are identical in every way, except that A has a much larger thermal expansion coefficient. If
1. 0 answers
2. asked by Jequarious III
3. 333 views
Jamie made a scale drawing of his apartment building. The building is 300 ft tall. He wants his scale to be 1 inch : 10 ft. How
1. 1 answer
2. asked by s2076922
3. 467 views
Using numbers 5,8 and 24 create a problem using no more than four operations(additions, multiplication, division, square, square
1. 1 answer
2. asked by Joe
3. 539 views
A projectile is fired from a cannon at a speed of 301 m/s and at an angle of 3 degrees. How long does it take the projectile to
1. 1 answer
2. asked by Lia
3. 398 views
Let V = R3(R) and let v1=[ -1 0 2]^T , v2 = [0 2 -3]^T and v3=[2 2 3]^T.Suppose that v4 is another vector which is orthogonal to
1. 2 answers
2. asked by Ashley
3. 286 views
A car travels at a constant speed and moves 50 metres in 2 seconds. How long would it take to go 375 metres?
1. 1 answer
2. asked by lilly
3. 337 views
What is the probability of producing a tall pea plant from a genetic cross between two hybrid tall pea plants?
1. 2 answers
2. asked by fboy
3. 2,201 views
The simplified ratio of boys to girls in a group is 5 : 3There are 80 more boys than girls. How many girls are there? help pls
1. 1 answer
2. asked by lilly
3. 1,353 views
Using two billiard balls, in 3-4 sentences, design an experiment to demonstrate the law of conservation of momentum.
1. 8 answers
2. asked by anna
3. 4,778 views
A manufacturer needs to make a cylindrical can that will hold 1.5 liters of liquid. Determine the dimensions of the can that
1. 1 answer
2. asked by Anonymous
3. 4,815 views
Outside temperature over a day can be modelled as a sinusoidal function. Suppose you know the high temperature for the day is 83
1. 4 answers
2. asked by cole
3. 1,282 views
A 5.0 kg moving at an initial speed of 6.0 m/s slides 20 m to the right on a horizontal floor before it comes to a complete
1. 1 answer
2. asked by M
3. 323 views
What is the conditional probability density function 𝑓𝑌|𝑋(𝑦|𝑥) of 𝑌 given 𝑋=𝑥, if 𝑋 is uniformly
1. 0 answers
2. asked by Arrival
3. 4,746 views
3.) If the coin is flipped 6 times and the number of Heads obtained is 3, what is the resulting conditional mean squared error
1. 0 answers
2. asked by Lex
3. 4,722 views
Each magazine that Charlie reads takes an amount of time that follows an exponential distribution with mean 10 minutes. The
1. 5 answers
2. asked by Arrival
3. 2,727 views
Three sisters pay money into a joint savings account. Rachel pays in every 9 days, Sarah pays in every 12 days and Tess pays in
1. 1 answer
2. asked by yay
3. 445 views
The magnitude of the gravitational force of attraction between the two objects is F when they are placed a distance r apart on
1. 1 answer
2. asked by Julie
3. 1,053 views
15 1/2+3/4=
1. 1 answer
2. asked by Anonymous
3. 187 views
Example of levers of the first order
1. 1 answer
2. asked by Smith
3. 273 views
Does every rock go through the complete rock cycle, i.e. changing from igneous to sedimentary rock to metamorphic then back to
1. 1 answer
2. asked by Make an Essay Please
3. 595 views
I need some feedback on my essay. The essay is on Lucan's Pharsalia, specifically his portrayal of Cato and stoic ideals. The
1. 0 answers
2. asked by Nora
3. 361 views
a metal x with relative atomic mass 56 forms an oxide with formula X2O3. how many grams of the metal will combine 10g of oxygen
1. 1 answer
2. asked by okulor grace
3. 389 views
A fruit grower uses one-third of his land for bananas,three-eighth for pineapples,one-sixth for mangoes and the remainder for
1. 3 answers
2. asked by kingsley
3. 639 views
j(x) = 3 – x;j(x) = -5
1. 1 answer
2. asked by Baljeet
3. 149 views

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