subject

Mathematics, 28.02.2020 05:20 lola78830

A ballon archway has been ordered for decorating the high school gym for a 1950 style prom. The archway will contain 275 balloon , each holding 1.2 liters of helium . Each balloon has a mass of 2.7 milligrams when empty , and all the string and fixing that hold the balloon together total another 45 grams , If the helium has a density of 0.1785 grams per liter , what is the mass of the entire archway ?

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 17:40

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Answers: 1

question

Mathematics, 21.06.2019 23:30

What is the gcf of 20c^3-5c^4+30c^6

Answers: 2

question

Mathematics, 22.06.2019 00:20

Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry

Answers: 1

question

Mathematics, 22.06.2019 00:30

If you eat 4 medium strawberries, you get 48% of your daily recommenced amount of vitamin c. what fraction of your daily amount of vitamin c do you still need?

Answers: 1

You know the right answer?

A ballon archway has been ordered for decorating the high school gym for a 1950 style prom. The arch...

Questions

question

Engineering, 11.07.2019 05:10

What size (inner diameter) of concrete pipe (with e-0.005) is required to carry water (at 60°f) at a discharge rate of 15 ft3/s and with a head loss o...

question

Engineering, 11.07.2019 05:10

Water if flowing steadily in a 0.6-m wide rectangular open channel at a rate of 0.3 m^3/s. if the depth is 0.15 m, a)-determine i) the flow velocity,...

question

Engineering, 11.07.2019 05:10

An elevated water tower is used to supply water to a city. to make water available at a pressure of 400 kpa at a ground level location within the city...

question

Engineering, 11.07.2019 05:10

What is considered a uselapplication of modal analysis? (1) identifying the rigid body modes (2) finding modal frequencies (3) obtaining the modal am...

question

Engineering, 11.07.2019 05:10

Arefrigeration cycle rejects qn 500 btu/s to a hot reservoir at 540 r, while receiving c200 btu/s at 240°r. this refrigeration cycle a)- is internally...

question

Engineering, 11.07.2019 05:10

Acylindrical specimen of some metal alloy having an elastic modulus of 117 gpa and an original cross-sectional diameter of 3.6 mm will experience only...

question

Engineering, 11.07.2019 05:10

Arigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 3.5 mpa. now the valve is opene...

question

Engineering, 11.07.2019 05:10

Aheat pump, using ammonia as the refrigerant, has the following conditions , heat effect 75,000kj/sec , evaporator pressure 0.22mpa , condenser pressu...

question

Engineering, 11.07.2019 05:10

A2.5 cm diameter horizontal water jet with a speed of vi- 40 m/s relative to the ground is deflected by a 60° stationary cone whose base diameter is 2...

question

Engineering, 11.07.2019 05:10

For a specified inlet state, exit pressure and mass flowrate, the power input of a that of an compressor operating adiabatically and at steady state w...

question

Engineering, 11.07.2019 05:10

Asingle-cylinder four-stroke-cycle spark- ignition engine has a bsfc of 0.4 kg/kw-hr and a volumetric efficiency of 78% at a speed of 45 rps. the bore...

question

Engineering, 11.07.2019 05:10

Heat in the amount of 100 kj is transferred directly from a hot reservoir at 1200 k to a cold reservoir at 600k. calculate the entropy change of the t...

question

Engineering, 11.07.2019 05:10

A1m by 1m square gate is to be located on one vertical side of a tank that will contain 2 m depth of water up to the bottom of the gate. determine the...

question

Engineering, 11.07.2019 05:10

Acylindrical metal specimen having an original diameter of 11.80 mm and gauge length of 51.7 mm is pulled in tension until fracture occurs. the diamet...

question

Engineering, 11.07.2019 05:10

Air is compressed in an isentropic process from an initial pressure and temperature of p1 = 90 kpa and t1=22°c to a final pressure of p2=900 kpa. dete...

question

Engineering, 11.07.2019 05:10

Is a process that is internally reversible and adiabatic necessarily isentropic? explain using an equation....

question

Engineering, 11.07.2019 05:10

After the formation of cells is finished, a cellular manufacturing system can use either a decoupling or an integrating approach to manage the materia...

question

Engineering, 11.07.2019 05:10

Apipe system consists of a lower section with two 90° elbows and an upper section with a 180° bend and two straight flow tees. if the flow is measured...

question

Physics, 11.07.2019 05:10

Asled of mass m is being pulled horizontally by a constant horizontal force of magnitude f. the coefficient of kinetic friction is μk. during time int...

question

Engineering, 11.07.2019 05:10

What is analogous to the convection coefficient in structural analysis? (1)-prescribed displacement (2)-prescribed stress (3)-damping coeffcient (4)-...

More questions: Mathematics Another questions

Questions on the website: 13722361