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Ice at 0 degree celcuis is added to 200g of water initially at 70 degree celcuis in a vacuum flask.When 50g of ice has been
1. 1 answer
2. 1,068 views
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?
1. 2 answers
2. 485 views
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?
1. 0 answers
2. 378 views
Evaluate tan (inverse cosine of 2/3).a. square root of 5 divided by 2 b. square root of 5 divided by 3 c. square root of 5
1. 2 answers
2. 553 views
Solve the system using substitution:x = y - 6 y = 6 - 3x Answer choices: (0,6) (6,0) (0,-6) (-6,0) (
1. 1 answer
2. 351 views
How many triangles exist when the measure of angle B is 100 degrees, a =10 and b=5?a. none b. 1 triangle c. 2 triangles I have
1. 1 answer
2. 556 views
The radius of this circle is one unit.Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as
1. 2 answers
2. 596 views
The radius of this circle is one unit.Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as
1. 1 answer
2. 692 views
The radius of this circle is one unit.Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as
1. 2 answers
2. 509 views
The radius of this circle is one unit.Find the exact lengths of the legs in the right triangle if: Sides a is twice as long as
1. 0 answers
2. 403 views
Michael has $50 to spend at the fair .the admission is $10 and each ride is $3.00 ,write an inequality that expresses the number
1. 1 answer
2. 603 views
Diego's deposit $100 and saves $10 per month .write an equation that represent the total amount in his account for x months
1. 2 answers
2. 460 views
Give me some ideas please.How technology reveals something deeper and essential about human nature: either our strengths or
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2. 473 views
A manufacture has been selling 1150 television sets a week at $510 each. A market survey indicates that for each $13 rebate
1. 0 answers
2. 996 views
An open box is to be made out of a 10-inch by 16-inch piece of cardboard by cutting out squares of equal size from the four
1. 1 answer
2. 4,077 views
A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2.6 ft/s.(a) How
1. 2 answers
2. 2,969 views
The top and bottom margins of a poster are 6 cm and the side margins are each 7 cm. If the area of printed material on the
1. 2 answers
2. 1,696 views
A set costs half as much as a book.A book costs 600$ more than a pen.If the total cost of the three items is 6900$,find the cost
1. 1 answer
2. 534 views
Two cars collide as shownin the figure. The yellow car is initially heading east and has a mass of 1000 kg. The red truck is
1. 2 answers
2. 1,047 views
A sprinter accelerates at the start of the race at 8.5 m/s^2. After 1.3 seconds the sprinter runs the rest of the 100m race at a
1. 0 answers
2. 1,051 views
A rock is thrown upward from a bridge that is 88 feet above a road. The rock reaches its maximum height above the road 0.67
1. 1 answer
2. 3,482 views
Does anyone knowwhat impact has gothic architecture had on modern architecture?
1. 1 answer
2. 515 views
In a glancing collision between two identical steel spheres, which of the following statements are correct? (Assume this
1. 1 answer
2. 660 views
A steel ball rolls off a flat table of height 1.05 m with a velocity of 1.90 m/sa) How long will it take the ball after leaving
1. 1 answer
2. 1,395 views
Need help with study guide!!1. What are two inventions/concepts that Eli Whitney is known for? 2. Why did New England become the
1. 3 answers
2. 851 views
Building A is 190 feet shorter than Building B. The total height of the two buildings is 1520 feet. Find the height of each
1. 1 answer
2. 1,088 views
Consider the equation f(x)= -2 sqrt(X+3).List in order the transformations applied to the parent function.
1. 0 answers
2. 449 views
Find the restricted values of x for the following rational expression.x^2 + x + 6/8x^2 − 8x
1. 1 answer
2. 1,593 views
Find the restricted values of x for the following rational expression.x^2 + x + 6/8x^2 − 8x
1. 1 answer
2. 819 views
In a repair shop a truck engine that has mass 429 kg is held in place by four light cables (Figure 1) . Cable A is horizontal,
1. 2 answers
2. 10,794 views
A road heading due east passes over a small hill. You drive a car of mass m at constant speed v over the top of the hill, where
1. 5 answers
2. 3,293 views
Four thousand students at a school were asked to name their favorite pizza topping. The results were 800 Pepperoni, 1,000
1. 1 answer
2. 642 views
Rachel runs 7 miles in 80 minutes. At the same rate, how many miles would she run in 64 minutes?
1. 3 answers
2. 788 views
The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion.COND
1. 1 answer
2. 1,415 views
what is the maximum speed a car could be traveling in order to stop within 40ft?d=0.05V^2+1.20V
1. 1 answer
2. 437 views
simplify the expression(4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i
1. 1 answer
2. 814 views
simplify the expression(4 square root of x)/(6-square root of x) I need help with this. I've worked it out to the point where i
1. 1 answer
2. 723 views
A bullet of mass 0.05kg has a speed of 400cm|s. What is its kinectic energy? It hits a wall of which the average resistive force
1. 1 answer
2. 749 views
Five-eights of the population of a village are men, one-sixth are children and the rest, 500 in number are women. How many
1. 2 answers
2. 711 views
A boy throws a ball with a horizontal speed of 2.5 m/s at a height of 0.8 m above the ground. The Coefficient Of Restitution
1. 0 answers
2. 406 views
the approximate distance, S, in feet that an object falls in t seconds when dropped from a height can be found by using the
1. 1 answer
2. 1,557 views
The Effel Tower in Paris is 328 feet wide at the bottom and 984 feet tall a model of the tower is 12 inches tall What is the
1. 1 answer
2. 859 views
Bonnie and Bruce have a rectangular swimming pool that is 6 feet wide and 10 feet long. They are going to build a tile border of
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2. 746 views
A 50kg sign for a local business is hung from a bar which meets a wall at right angles as shown in figure 1. The bar is 1.5
1. 1 answer
2. 715 views
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck.
1. 1 answer
2. 1,684 views
On December 1, Year1, El Primero Company purchases inventory from a foreign supplier for 40,000 coronas. Payment will be made in
1. 0 answers
2. 1,110 views
Which of the following sentences contains a prepositional phrase that acts as an adjective?
1. 4 answers
2. 1,261 views
Simplify the expression 6P3.I don't know how to solve it so if you could help me with it as well i would really appreciate it.
1. 2 answers
2. 2,882 views
Sulfur dioxide and oxygen gases react at hightemperature (400 o C) in the presence of a catalyst(like Pt) to form sulfur
1. 1 answer
2. 856 views
Hydrogen gas (7.0 mL) is mixed with chlorine gas(4.0 mL) at a certain pressure and temperature. Areaction between H2and Cl2 is
1. 3 answers
2. 632 views
I don't know where to even begin...Two equally charged ping pong balls, each having a mass of 5g repel eachother hanging from
1. 0 answers
2. 534 views
I am helping my child and didn't read much of the book Dragonwings, so can you help me to answer what is moon shadows point of
1. 3 answers
2. 597 views
A centrifuge for separation of sugar crystals in molasses must exert a force of 6 N/g. If the filter drum has a radius of 350
1. 0 answers
2. 412 views
A copper atom has 29 electrons revolving around the nucleus. A copper ball has 4x10^23 atoms. What fraction of the electrons be
1. 1 answer
2. 2,632 views
You run 21 miles in 6 days. find the rate.
1. 1 answer
2. 455 views
Waterways is thinking of mass-producing one of its special-order sprinklers. To do so would increase variable costs for all
1. 0 answers
2. 872 views
Waterways is thinking of mass-producing one of its special-order sprinklers. To do so would increase variable costs for all
1. 0 answers
2. 776 views
10 l of a solution containing 1.5 moles of HI
1. 1 answer
2. 371 views
Consider an air-bubble level that is sitting on a horizontal surface. Initially, the air bubble is in the middle of the
1. 1 answer
2. 1,076 views
A 100 kg crate rest at the back of the bed of a pick up truck. The length of the crate is 1 m in the length of the bed is 4 m.
1. 1 answer
2. 893 views
first string sports can purchase sneakers for $450 per dozen less trade discounts of 14/12 from ideal shoes. Fancy footwear is
1. 0 answers
2. 524 views
A watch with a list price of $889.00 is sold by a wholesaler at a net cost of $545.75. Find the single trade discount rate being
1. 4 answers
2. 705 views
The list price of a set of fine china is $345.70 and the trade discount is 55%. Find the net cost.I did $345.70 *.55= 190.14
1. 4 answers
2. 809 views
The ratio of Juma’s and Akinyi's earnings was 5:3. Juma’s earnings rose to shilling 8400 after an increase of 12%. Calculate
1. 1 answer
2. 882 views
Find the ordinary interest to the nearest cent.$19,000 at 12% for 101 days
1. 1 answer
2. 1,002 views
In the geometric progression, the first is a and the common ratio is r. The sun of the first two terms is 12 and the third term
1. 1 answer
2. 688 views
A perpendicular to the line -4x +3 = 0 point (8, 5). Determine its equationx = 4/3 undefined y = 5
1. 1 answer
2. 408 views
A fuel dealer makes a profit of shillings 520 for every 1000 liters of petrol sold and shillings 480 for every 1000 liters of
1. 2 answers
2. 584 views
In an experiment to determine the speed of sound, two observers, A and B, were stationed 5.0 km apart. Each was equipped with a
1. 1 answer
2. 1,759 views
A car slows down from a speed of 24.0m/s to rest in 9.0s, How far did it travel in that time?
1. 1 answer
2. 739 views
car leaves skid mark 72m in length with a deceleration speed of 7.20m/s^2. what was the initial speed prior to braking?
1. 1 answer
2. 529 views
A car leaves skid marks 72m in length. The deceleration is 7.2m/s^2. What is the speed of the car before braking?
1. 1 answer
2. 636 views
How much energy (in kilojoules) is released when 15.2g of steam at 114.5∘C is condensed to give liquid water at 63.5∘C? The
1. 2 answers
2. 885 views
Find the value of c which satisfies Rolle’s Theorem for the function f(x)=sin(x²) on (0,√π).
1. 1 answer
2. 574 views
A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the
1. 0 answers
2. 944 views
A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the
1. 2 answers
2. 1,452 views
This is a calculus homework question but in reality the problem here is understanding the algebra.Find the Critical Numbers of
1. 3 answers
2. 544 views
So this one is confusing me:limit of n as it approaches infinity of (n{SIGMA}i=1) (1/(2^i) *the n is on top of the sigma
1. 4 answers
2. 592 views
I am trying to solve the following L'hopital's limits question below:lim x -> 0 from the positive direction of ( 5^(sin(x)) - 1
1. 1 answer
2. 579 views
L'hopital's question below:lim x -> 0 from the positive direction of ( 5^(sin(x)) - 1 )/ (x)
1. 0 answers
2. 409 views
What percent (by mass) of granulated sugar is fructose, and what percent of it is sucrose?Background: We are doing a colligative
1. 1 answer
2. 860 views
What is the Van't Hoff Factor ofMgSO4*7H2O? We're doing a colligative properties lab at my school where we dissolve various
1. 1 answer
2. 1,935 views
You have a brass ring of inside diameter 10.00 cm that is at 20.0oC. You want to slip this ring over an aluminum rod that is at
1. 0 answers
2. 1,124 views
Which alga is most closely related to plants?A) Chara B) Kelp C) Ulva D) Diatom E) Euglena I think it's chara, because it is
1. 1 answer
2. 605 views
A person is stranded and sitting 45m above the ground on the ledge of the cliff. of a safety rope is launched upward at an angle
1. 1 answer
2. 627 views
helpA thermally insulated vessel containing 100 grams of ice at 0 degrees Celsius . Water at 55 degrees celsius is poured and
1. 2 answers
2. 1,758 views
In a coordinate plane, Brittany labeled the coordinates for point m as (-31/2,2). Sade tells Brittany to reflect point m over
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2. 493 views
helpthe positions of two particles A and B are P1 (3,4) in meters and P2 ( -3, -4 ) meters respectively. Meters the position A
1. 1 answer
2. 480 views
A space station shaped like a giant wheel has a radius of 1.00 x 10^2 m and a moment of inertia of 5.00 x 10^8 kgm^2. A crew of
1. 1 answer
2. 632 views
A moving 4.5 kg block collides with a horizontal spring whose spring constant is 226 N/m (see figure). The block compresses the
1. 0 answers
2. 603 views
a roller of diameter 1.5 m has a mass of 450 kg; it is pulled by a handle attached to its centre. Find the minimum force to pull
1. 0 answers
2. 570 views
A particle undergoes three successive displacement in a plane as follows 4m southwest, 5m east, 6m in a direction 60 degree
1. 2 answers
2. 1,222 views
A hollow 0.358 kg sphere rolls without slipping down an inclined plane that makes an angle of 41.0o with the horizontal
1. 1 answer
2. 650 views
A hollow 0.358 kg sphere rolls without slipping down an inclined plane that makes an angle of 41.0o with the horizontal
1. 1 answer
2. 565 views
Creating Z_0 boson via symmetric beams a. Z0 boson has a rest mass energy of 91.187 GeV. It is produced in collisions of
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2. 467 views
Creating Z_0 boson via symmetric beams a. Z0 boson has a rest mass energy of 91.187 GeV. It is produced in collisions of
1. 0 answers
2. 429 views
The reaction of iron and water vapor results in an equilibrium reaction, 3 Fe(s) + 4 H2O(g) ¡ê Fe3O4(s) + 4 H2(g) and an
1. 2 answers
2. 2,283 views
Compare ad contrast indirect versus direct values of biodiversity and provide two examples?
1. 0 answers
2. 682 views
A small pumpkin of mass 2.22 kg is dropped from rest from a height of 2.87 m. The pumpkin rebounds from the ground to a height
1. 1 answer
2. 703 views
Use compatible to find the following quotient180.8 divided by 6 182divided by 11 55divided by 10.7 117.8divided by 0.12 0.6
1. 4 answers
2. 1,524 views

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