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ur teacher will grade your responses to questions 24 and 25 to ensure you receive proper credit for your answers.Identify the
1. 2 answers
2. 1,138 views
If it takes 5 men 20 hours to brick a house, How long will it take 8 men to do the job if they work at the same rate
1. 2 answers
2. 766 views
Write a 350- to 500-word story about being a prehistoric artist.
1. 1 answer
2. 859 views
Why did military leaders overthrow the governments of Chile and Argentina in the 1970s?A. The governments had jailed and
1. 74 answers
2. 5,437 views
describe the hardships and indignities faced by the africans from the time of being captured and transported to the americas to
1. 35 answers
2. 7,200 views
"Which do you prefer? A sandwich or un sangúche?"Me gustan los carnes calientes y panes calientes de los sangúches, pero a
1. 6 answers
2. 550 views
Someone who speaks Spanish well: Am I using the verb forms of “estar” in these 3 sentences correctly, and are there any
1. 2 answers
2. 524 views
What are the symptoms and treatment options for pancreatic cancer?
1. 0 answers
2. 775 views
Pretend there is a public works project to be done, such as a road to be built or wall to protect the city. How might four other
1. 0 answers
2. 812 views
explain the difference of [-3] and -3
1. 1 answer
2. 349 views
A researcher is interested in comparing the maturity level of students who volunteer versus those who don't.Calculate the
1. 1 answer
2. 756 views
what volume(in cm3) of lead (density=11.3 g/cm3 ) has the same mass as 100 cm2 of red wood (density = 0.38 g/cm3)?
1. 1 answer
2. 860 views
The first full-scale oceanographic research expedition was conducted by the:
1. 1 answer
2. 591 views
what materials could have been found in the giant gas cloud that formed the solar system A hydrogen and helium B hydrogen and
1. 2 answers
2. 2,852 views
Rita is spending more time at home to study and practice math. Her efforts are finally paying off. On her first assessment she
1. 3 answers
2. 2,400 views
In at least one hundred and fifty words, make an argument for which historical figure from this lesson had the most negative
1. 1 answer
2. 778 views
Do males or female high school basketball players have a better chance of playing on college teams? On professional teams?
1. 1 answer
2. 702 views
A child of mass 20.2 kg takes a ride on an irregularly curved slide of height 6.12 m. The child starts from rest at the top. The
1. 1 answer
2. 3,169 views
A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the
1. 1 answer
2. 11,997 views
A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the
1. 1 answer
2. 724 views
A tennis player places a 68kg ball machine on a frictionless surface. the machine fires a 0.057 kg tennis ball horizontally with
1. 3 answers
2. 1,313 views
The linear impulse delivered by the hit of a boxer is 104 NS during the 0.431s of contact. What is the magnitude of the average
1. 1 answer
2. 838 views
A 4kg mass moves in a circular path of 7m radius on a frictionless horizontal table. It is attached to a string that passes
1. 1 answer
2. 2,887 views
a plane is flying in a horizontal circle at 99.5 m/s. The 92.6 kg pilot does not want his radial acceleration to exceed 9.25g.
1. 2 answers
2. 458 views
a plane is flying in a horizontal circle at 99.5 m/s. The 92.6 kg pilot does not want his radial acceleration to exceed 9.25g.
1. 0 answers
2. 471 views
A rotary speed of 2010 m/s. The rotating rod of 15.7 cm long. Assume the speed quoted is that of the end of the rod. What is the
1. 0 answers
2. 412 views
sin(pi/2+x)cos(pi-x)cot(3pi/+x)=sin(pi/2-x)sin(3pi/2-x)cot(pi/2+x
1. 1 answer
2. 620 views
find all possible pairs of two natural no whose sum is 77 and their gcd is 7
1. 1 answer
2. 397 views
A 468 kg bear grasping a vertical tree is sliding down at constant velocity. The acceleration of gravity is 10m/s^2. What is the
1. 1 answer
2. 526 views
A 2.63 kg ball is dropped from the roof of a building 180.6 m high. While the ball is falling to Earth, a horizontal wind exerts
1. 1 answer
2. 812 views
A 3.1 kg block initially at rest is pulled to the right along a horizontal frictionless surface by a constant horizontal force
1. 4 answers
2. 11,843 views
if y=m^4=n^3 and y is greater than 1 than mn=?a) y^1/12 b) y^1/7 c) y^7/12 d) y^7
1. 1 answer
2. 461 views
A projectile is fired off a cliff at an angle of 60 degrees to the horizontal. The height of the cliff is 48 meters and the
1. 2 answers
2. 681 views
how do you write an expression showing x=the square root of 45^2 + 30^2
1. 2 answers
2. 423 views
A man can throw a ball a maximum horizontal distance of 73.4 meters. the acceleration is 9.8 m/s^2. How far can he throw the
1. 1 answer
2. 839 views
An employee's training time and meeting time cannot exceed 16 hours a month. For every hour of training there is 2 hours of
1. 1 answer
2. 477 views
A single, neutral iodine atom has
1. 1 answer
2. 464 views
A car of mass 1000 kg is traveling at a constant 25.0 m/sec along a straight, level highway. There is a force of thrust acting
1. 1 answer
2. 685 views
Jose is planning to spread fertilizer on his rectangular yard.His yard has a length of 40 ft and width of 25 ft.How much
1. 1 answer
2. 1,028 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. 559 views
The foot of a 25-foot ladder is 15 feet from a wall. If the ladder is pushed until its foot is only 7 feet from the wall, how
1. 1 answer
2. 473 views
The box and whisker plot below shows the numbers of text messages received in one day by students in the seventh and eighth
1. 15 answers
2. 3,952 views
A triangle has vertices at S(4,1), T(2,-3),and U(4,0). The triangle is translated up 3 units. What are the coordinates of the
1. 1 answer
2. 703 views
A mixture of H2(g) and N2(g) has a density of 0.221 g·L−1 at 301 K and 501 torr. What is the mole fraction composition of the
1. 1 answer
2. 718 views
Georgia spent 1÷5 of her money on sweets and used the rest to pay for her savings. What fraction of her money did she pay as
1. 1 answer
2. 526 views
Based on data from a statistical abstract, only about 10% of senior citizens (65 years old or older) get the flu each year.
1. 2 answers
2. 5,824 views
Help...1. -1 3/4 writing as the quotient of two integers. 2. -0.73 writing as the quotient of two integers.
1. 1 answer
2. 352 views
From a height of 25 meters a ball is thrown vertically upwards at a velocity of 5 meters per second.a. What time in seconds will
1. 2 answers
2. 470 views
Find the equation of the perpendicular line passing through the midpoint of the line segment connecting(−2, 7) and (7, −1).
1. 1 answer
2. 543 views
Find the equation in standard form for the line that satisfies the given requirements.slope −3, x-intercept (8, 0)
1. 1 answer
2. 444 views
Find the equation in standard form for the line that satisfies the given requirements.horizontal line through (−8, −9)
1. 1 answer
2. 426 views
Find the equation in standard form for the line that satisfies the given requirements.passing through (1, 5) and (2, 6)
1. 1 answer
2. 437 views
y = 2 cos(5πx) .... whats the period?
1. 2 answers
2. 574 views
Solve the quadratic equation by factoring. (Enter your answers as a comma-separated list.)5x2 − 23x = −12
1. 2 answers
2. 1,183 views
The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the
1. 1 answer
2. 491 views
Please help!!!!!You earn $240 for your first paycheck. You pay 22% of it in taxes. You decide to put 40% of the remaining money
1. 1 answer
2. 679 views
14cos+7=O
1. 1 answer
2. 358 views
The two 4's in the number 420.41 have different values. What is the difference in their values?
1. 1 answer
2. 382 views
Change the italicized clause to a nominative absolute. Rewrite the entire sentence in the box below.As the hurricane season was
1. 1 answer
2. 1,708 views
Two charges of magnitude +2×10^–6 C each are 60cm apart. find the magnitude of the force exerted by these charges on a third
1. 0 answers
2. 806 views
the length of a rectangular garden is 4m more than its width determine the gardens width if the area is 117m^2
1. 2 answers
2. 1,413 views
Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as
1. 2 answers
2. 413 views
Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as
1. 0 answers
2. 481 views
born haber cycle is not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide SiO2
1. 0 answers
2. 631 views
why is born haber cycle not generally used to consider the energy changes involved in the formation of solid silicon(IV)oxide
1. 2 answers
2. 903 views
why does BeCl2 have low melting point but SiO4 has high melting point even though they are both covalent bonds between the atoms
1. 3 answers
2. 742 views
before 1900 the activity per mass of atmospheric carbon due to the presence of carbon-14 averaged about 0.255bq/g of carbon 1.
1. 0 answers
2. 604 views
before 1900 the activity per mass of atmospheric carbon due to the presence of carbon-14 averaged about 0.255bq/g of carbon 1.
1. 0 answers
2. 570 views
A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of
1. 2 answers
2. 426 views
A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of
1. 1 answer
2. 453 views
calculate the lowest frequency of UV. light which has enough energy to break a Cl-Cl bond. ( bond energy =243kj/mol). I got
1. 1 answer
2. 727 views
what is volume, if base area 56 in2, height 6 in
1. 9 answers
2. 3,482 views
magnessium chloride can be used to distinguish between cabonate and hydrogencarbonate ions. Describe how this is done with
1. 0 answers
2. 399 views
magnessium chloride can be used to distinquish between cabonate and hydrogencarbonate ions. Descrbe how this done with
1. 0 answers
2. 366 views
A mixture of 0.2 moles of alcohol A and 0.5 moles of alcohol B has a total vapour pressure of 40 mmHg at 297 K. If the mixture
1. 1 answer
2. 624 views
A certain elementary gas is triatomic and has vapour density 48 . The atomic mass of the gas is (a) 48 (b) 96 (c) 32 (d) 16 ..
1. 1 answer
2. 1,330 views
A radioactive source of a single nuclide emits 2.4-MeV neutrons at the rate of 9200 neutrons per second. The number of atoms in
1. 0 answers
2. 803 views
A radioactive source of a single nuclide emits 2.4-MeV neutrons at the rate of 9200 neutrons per second. The number of atoms in
1. 0 answers
2. 574 views
Neptunium 23993 Np has a decay constant of 3.40 ×10-6 s-1. A 3.0-mg sample of Np-239 is prepared. The activity of the Np-239
1. 3 answers
2. 569 views
Neptunium 23993 Np has a decay constant of 3.40 ×10-6 s-1. A 3.0-mg sample of Np-239 is prepared. The activity of the Np-239
1. 1 answer
2. 878 views
A proton is projected at a stationary 6238 Ni aluminum target. The proton momentarily comes to ahalt at a distance from the
1. 0 answers
2. 576 views
the nuclei Co-57 an odd-even unstable nucleus is often used as a source of radiation in nuclear processes. Show that the nuclei
1. 0 answers
2. 538 views
If = 38° and y = 42 cm, what is the value of z to the nearest tenth of a centimeter?
1. 3 answers
2. 865 views
A force of 80N acts on a body initially at rest and moves 72m in 6s. If the force is removed after 6s calculate how far the body
1. 2 answers
2. 1,552 views
a handbag weighing 162N is carried by the students each holding the handle of the bag next to him. If each handle is inclined at
1. 2 answers
2. 1,142 views
It takes a hose 4 minutes to fill a rectangular aquarium 8 inches long, 9 inches wide, and 10 inches tall. How long will it take
1. 1 answer
2. 880 views
Find the variation constant and an equation of variation if y varies directly as x and the following conditions apply.
1. 1 answer
2. 550 views
what is the work done a bringing a charge from infinity to a point P, if the point P is 5m to the positive y-axis from a charge
1. 2 answers
2. 933 views
Two trucks A and B each travelling at 40 km/hr, move towards each other . At the instance when the two trucks are at a distance
1. 5 answers
2. 1,675 views
The demand for your hand-made skateboards, in weekly sales, isq = −4p + 600 if the selling price is $p. You are prepared to
1. 1 answer
2. 830 views
A license plate in a particular state consists of 5 characters. The first 4 characters are made up using the digits 0-9, but the
1. 1 answer
2. 651 views
perform this operation to the correct significant figure. 2.0cm × 0.01m in the correct significant figure.should the answer be
1. 0 answers
2. 539 views
an ideal gas occupies a volume of 22.4litres at stp while absorbing 2.53KJ of heat from the surrounding the gas expands
1. 1 answer
2. 1,638 views
determine the energy stored in a 2m long wire of cross sectional area 0.5mm^2 kf the force of 50N is applied to it.
1. 0 answers
2. 562 views
A body whose weight is W1=75N is tied to anotherbody whose weight is W2=45N .If the coefficient of kinetic friction between W1
1. 1 answer
2. 584 views
A body whose weight is W1=75N is tied to another body whose weight is W2=45N .If the coefficient of kinetic friction between W1
1. 2 answers
2. 702 views
need a probability distribution to select a parking stall in a parking lot with 50 stalls
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2. 396 views
C2H6 <> C2H4 + H2. when 1.00mol ethane is cracked at 180kPa and 1000K, the yield of ethene is 0.36mol. Calculate the value Kp at
1. 0 answers
2. 592 views
fine sand moves through pipes just like fluid. a sandblasting machine moves fine sand through a pipe of inner diameter 2.8 cm at
1. 1 answer
2. 573 views
a 2.0 kg solid mass has an apparent weight 12.34N when totally immersed in water. Calculate the apparent weight of the body when
1. 2 answers
2. 2,342 views

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