Ask a New Question

Questions and answers by

Shane

Questions (271)

What are the factors of 12?
1. 1 answer
2. 315 views
I need help with Maps and scaleThe question is : The actual Distance between two cities is 135.km and the map scale 100 km find
1. 1 answer
2. 648 views
A)A lighthouse emits a beam of light that rotates (counterclockwise from a birds-eye perspective) at a constant rate with one
1. 1 answer
2. 777 views
Calculate the solubility of the compoud PbI2 in a 0.0333 M solution of Mg(ClO4)2 using (1) activities and (2) molar
1. 1 answer
2. 1,191 views
Suppose the population of a colony of ants grows at the rate:P’(x) = 1 + 5/sqroot(t+1) If there are 250 ants after 120 hours,
1. 1 answer
2. 645 views
Suppose the annual revenue for a company between 2000 and 2005 is approximated by R(t)=18t^2+4t+3, where t=0 represents the year
1. 1 answer
2. 674 views
Ethel collects animal stickers.She has 30 cat stickers,15 horse stickers,19 dog stickers and 11 rabbit stickers. One third of
1. 1 answer
2. 628 views
a ferris wheel is elevated 1 meter above ground. When car reaches the highest point of the Ferris wheel, it's altitude from
1. 5 answers
2. 15,146 views
A ferris wheel is elevated 1 meter above ground. When car reaches the highest point of the ferris wheel it's altitude from
1. 3 answers
2. 1,947 views
A 5.20 g pellet is shot horizontally from a BB gun at a speed of 29.1 m/s into a 20.8 g wooden block. The wooden block is
1. 0 answers
2. 542 views
What are two themes in Perseus Adventures? Reading the book but really don't understand the question
1. 1 answer
2. 472 views
The sum of 3 consecutive odd numbers is 63. What is the smallest of these numbers
1. 1 answer
2. 514 views
Describe in 7 sentences the significant of each individual.1. Aryans 2. Asoka 3. Brahmins 4. Confucius 5. Laozi 6. Shi Huangdi
1. 1 answer
2. 617 views
The difference between twice a number and a number that is 5 more than 3. Write an equation that could be used to find the value
1. 3 answers
2. 3,018 views
Identify and define the causes of mental disorders
1. 1 answer
2. 467 views
A rectangle has dimensions in feet as shown in the figure it is 2x +5And one side is 8. I need to write an expression for the
1. 2 answers
2. 952 views
An object with initial velocity of 20 m/s accelerates uniformly at 5 m/s in the direction of its motion for a distance of 10 m.
1. 2 answers
2. 2,106 views
Estimate the area under the curve f(x) = x2 + 1 from x = 0 to x = 6 by using three circumscribed (over the curve) rectangles.
1. 4 answers
2. 1,862 views
A piece of cobalt has a mass of 41 g and is initially electrically neutral. It is then charged with q = +0.6 µC.(a) How many
1. 1 answer
2. 611 views
Determine the magnitude of the force between an electric dipole with a dipole moment of 2 ✕ 10-29 C m and an electron. The
1. 1 answer
2. 628 views
An object in equilibrium has three forces exerted on it. A 25 N force acts at 90 from the x-axis and a 48 N force acts at 60.
1. 1 answer
2. 929 views
The radiator in a car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the the antifreeze suggests
1. 1 answer
2. 2,321 views
The radiator in a car is filled with a solution of 60% antifreeze and 40% water. The manufacturer of the the antifreeze suggests
1. 1 answer
2. 765 views
Two cars leave the same town and travel in opposite directions. At the end of 8 hours, the cars are 896 miles apart. Find the
1. 2 answers
2. 718 views
Gab and Van can mow the lawn in 40 minutes if they work together. If Gab works twice as fast as Van, how long does it take Gab
1. 2 answers
2. 515 views
What does this poll most suggest about U.S. citizens?a.) they belive that higher taxes are worth the cost and benefits b.) they
1. 3 answers
2. 539 views
What is one certain long-term cost of adding to national debt?a.) Americans in the future must have fewer public services b.)
1. 3 answers
2. 590 views
Let 70.0 J of heat be added to a particular ideal gas. As a result, its volume changes from 65.0 cm3 to 169.0 cm3 while the
1. 1 answer
2. 673 views
An engineer has an odd-shaped object of mass 16 kg and needs to find its rotational inertia about an axis through its center of
1. 0 answers
2. 677 views
A 2.40 kg mess kit sliding on a frictionless surface explodes into two 1.20 kg parts:3.78 m/s, due north, and 5.28 m/s, 32.8°
1. 1 answer
2. 1,121 views
Frank teacher was teaching the class about fractions. She posted the fractions 1/7 and 3/9 on the board. Frank was supposed to
1. 2 answers
2. 1,008 views
There are two fractions that are given. The two fractions are 3/12 and 7/12.what answer so you come up with if you were to add
1. 1 answer
2. 455 views
I'm stumped4ko2 + 2co2 ----2k2co3 + 3o2 What mass of k02 in grams is required to react with 8.90 l at 22.0 c and 767 mm hg?
1. 1 answer
2. 1,545 views
Prove the identity:sec^4x - tan^4x = 1+2tan^2x
1. 3 answers
2. 2,470 views
A small quantity of hydrochloric acid and a large quantity of limestone chips (CaCO3) are reacted on a beaker, which was placed
1. 2 answers
2. 700 views
If EF= 10x+12, FG=14, and EG= 136, what is the value of x?
1. 0 answers
2. 409 views
For the electrolysis of molten potassium bromide:(a) write the equation for the reaction at cathode. (b) write the equation for
1. 4 answers
2. 3,444 views
For the electrolysis of molten potassium bromide:Write the equation for the overall reaction.
1. 3 answers
2. 1,374 views
In the electrolytic refining of copper, write equation for the reaction of the impure copper.
1. 1 answer
2. 615 views
Write the anodic reaction for the electrolysis of concentrated zinc chloride solution.(a) Using plantium electrodes. (b) Using
1. 3 answers
2. 1,850 views
Please I need help.Many,but not all, compounds are made up of positive and negative ions. Three positive ions A^+, B^2+ and C^3+
1. 1 answer
2. 658 views
How many moles of atoms are there in 32g of sulfur?
1. 1 answer
2. 479 views
Calculate the molarity of sulfuric acid if 25.00 mL of 0.095 mol L NAOH reacts with 26.45 mL of the acid.
1. 1 answer
2. 538 views
How many grams are there in 2.5 moles of CuSO4.5H2O?
1. 1 answer
2. 636 views
A 25 mL solution of nitric acid was placed in a flask and a few drops of phenolphthalein were added. Dilute sodium hydroxide was
1. 2 answers
2. 690 views
A parallelogram has two adjacent sides of length 4cm and 6cm reapectively. If the included angle measures 52 degrees, find the
1. 5 answers
2. 2,760 views
John wishes to determine the height of a flagpole. He takes a sighting of the top of the flagpole from point P. He then moves
1. 1 answer
2. 2,264 views
An aircraft dropped a box of emergency supplies to a group of trampers. The height of the box above the ground, h, at time, t is
1. 1 answer
2. 547 views
Please I need help..how can I solve this guadratic equation??520 - 5t^2 = 0
1. 1 answer
2. 483 views
Solve this equation by completing squares and then check the solution..x = 21/x-4
1. 1 answer
2. 474 views
a)Express y = 2 (x - 1) (x - 5) in the form y = ax^2 + bx + c.b) From the above quadratic equation calculate the following: I) x
1. 1 answer
2. 556 views
An aircraft dropped a box of emergency supplies to a group of trampers. The height of the box above the ground, h, at time, t,
1. 1 answer
2. 531 views
Write without negative indices: a^-3b/c^-1
1. 1 answer
2. 679 views
Write 1/2^1-n in non- fractional form.
1. 2 answers
2. 1,187 views
Write as powers of 2.(a) 16 (b) 2^m/8
1. 1 answer
2. 400 views
Find the coordinates of the points of intersection of the straight line y = 3x - 6 with the parabola y = x^2 - 6x + 8 and solve
1. 1 answer
2. 681 views
Given the quadratic equation y = -x^2 + 2x + 3.a) Will the graph turn upwards or downwards? b) What are the coordinates of x and
1. 1 answer
2. 744 views
2/ x^2 - 9xy^2 - 3/3x + 12y
1. 1 answer
2. 534 views
Simplify; x^2 - x - 6/ 6xy divide x^2 - 9/2x^2y
1. 1 answer
2. 474 views
Simplify; (x - y)^3 divide x^2z - 2xyz + y^2z
1. 1 answer
2. 423 views
Simplify 5x/7 × 15y/8x
1. 1 answer
2. 468 views
Simplify; p^2 - p - 42
1. 1 answer
2. 401 views
Solve this equation; p^2 - p - 42
1. 1 answer
2. 391 views
Solve this equation; p^2 - p - 42
1. 1 answer
2. 370 views
Simplify; x^2 + ax + bx + ab divide x^2 + 2ax + a^2.
1. 1 answer
2. 457 views
Simplify this expression;X^2 + ax + bx + ab/x^2 + 2ax + a^2
1. 1 answer
2. 429 views
Simplify 5x/7 × 15y/8x
1. 1 answer
2. 409 views
Solve this equation. 2/5 (x^2 + 1) = x
1. 1 answer
2. 806 views
Find the coordinates of the points of intersection of the straight line y = 3x - 6 with the parabola y = x^2 - 6x + 8.a)
1. 1 answer
2. 526 views
Given the quadratic equation y = -x^2 + 2x + 3.a) Will the graph turn upwards or downwards? b)What are the coordinates of x and
1. 1 answer
2. 860 views
How do you factor 2a^2+5x+3
1. 1 answer
2. 420 views
Write the equations below in the form y = mx + c.State how many solutions each systems of linear equation have. 3x = 6y 2y - 6x
1. 1 answer
2. 499 views
What is the equation of the line which has gradient 2, and passes through midpoint of (3,4) and (5,6)
1. 1 answer
2. 527 views
What is the value of p if the line (3p + 1)x - 2y = 6p is perpendicular to the line 2x - y + 1 = 0
1. 1 answer
2. 348 views
Solve 2y - 5x = 3 and x + y = 5 using substitution.
1. 1 answer
2. 458 views
Show by calculations weather the following lines are parallel or not.. y + 5x = 1 and 0.2 = y - 5.
1. 1 answer
2. 442 views
Construct the table of values for the following equation 1 - 3x = 2y for -4<x <4. Use the answer to sketch the graph.
1. 1 answer
2. 744 views
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will
1. 2 answers
2. 772 views
One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. How long will it take two pumps,
1. 1 answer
2. 526 views
When the function f(x) is equal to 2xn + ax2 - 6 is divided by (x-1), the reminder is -7 and when divided by (x+3), the reminder
1. 1 answer
2. 449 views
Calculate the arc length that subtends an angle of 55 degree at the centre of a circle with radius r = 5cm.
1. 3 answers
2. 2,142 views
The relationship between the vertical height and the horizontal distance of a ball thrown at 45 degree is given by the equation
1. 1 answer
2. 1,068 views
The length of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. Find the simplest expression for
1. 1 answer
2. 583 views
Find dy/dx if y = 1/8.
1. 1 answer
2. 357 views
Does the parabola y = -3x^2 + 2x - 1 have a maximum or minimum value?
1. 1 answer
2. 1,070 views
Find the line that is perpendicular to y = -3/4 x + 2 and passes through (3,4).
1. 1 answer
2. 981 views
Sine and Cosine rule are both used in solving trigonometry problems.Give an example of when the cosine rule is more appliciable
1. 1 answer
2. 1,241 views
Find the two stationary points on the curve when y = 2x/x^2 + 1
1. 1 answer
2. 1,711 views
A circle x^2 + y^ + 2x - 2y -1 = 0 expressed in the following form (x-h)^2 + (y-k)^2 = r^2 where h, k are the coordinates of the
1. 1 answer
2. 482 views
A circle x^2 + y^ + 2x - 2y -1 = 0 expressed in the following form (x-h)^2 + (y-k)^2 = r^2 where h, k are the coordinates of the
1. 1 answer
2. 441 views
0.2 Faradays of electricity were passed through solutions of sulphuric acid. Calculate the volume of hydrogen evolved at s.t.p
1. 1 answer
2. 609 views
What would be the product formed for electrolysis of copper sulphate between the electrodes (a) Platinum (b) Copper and NaCl
1. 0 answers
2. 513 views
Find the wind velocity if course 060 degree, airspeed 250km/h; track 040 degree, ground speed 260km/h.
1. 0 answers
2. 351 views
Find the course and ground speed if Track 150 degree, airspeed 400km/h; wind 040degree, 30km/h.
1. 1 answer
2. 323 views
Find the indicated term for (1-2x)^10, middle term.
1. 2 answers
2. 483 views
Find the ratio of the coefficients of the 4th and 6th terms in the expansion of (1 + 2x)^16
1. 1 answer
2. 588 views
This balance equation shows the burning of octane in air. 2C8H18 + 25O2 ----> 16CO2 + 18H2O. How many grams of carbondioxide
1. 1 answer
2. 887 views
Find the expansions of (1-x)^6 and (1+2x)^6 as far as the terms in x^3. Hence expand (1+x-2x^2)^6 up to the terms in x^3.
1. 1 answer
2. 388 views
The coefficient of x^2 is 69 in the expansion of (1-ax)^24, where a>0. Find the coefficient of x^3.
1. 2 answers
2. 2,731 views
Expand (1-x)^4. Hence find S if S = (1-x^3)^4 - 4(1-x^3)^3 + 6 (1-x^3)^2 - 4(1-x^3) + 1.
1. 1 answer
2. 593 views

Pages

1
2
3

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025