22h

#### Hi what would be the range of x(x+2)(x+1)(x-3)(x+6i)(x-6i)

range of x(x+2)(x+1)(x-3)(x+6i)(x-6i)

1d

#### Algebra 2 it’s urgent

Write an exponential function to model the following situation.A population of 110,000 grows 3% per year for 15 years.How much will the population be after 15 years?Write an exponential function in...
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1d

#### graph a relation ship in which the value of y is 5 less than half the value of x

I know the answer is y=0.5x+3 but I would like to know why it is that answer

1d

#### Probability word problems

A school survey reported that 80% of students have cell phones, 45% have part time jobs, and 30% have both a cell phone and a part time job. If a student is chosen at random, what is the...
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1d

#### HELP!! Intersection question!! calculus derivatives.

Wendy and Kayla drive towards an intersection. Wendy is 200 meters north of the intersection and moving towards the intersection at 20 m/s, while Kayla is 190 meters west of the...
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1d

#### What was the mass of FeSO4⋅7H2O in the 3.025 g sample?

A powder contains FeSO4⋅7H2O (molar mass=278.01 g/mol), among other components. A 3.025 g sample of the powder was dissolved in HNO3 and heated to convert all iron to Fe3+. The addition...
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1d

#### What is percent composition by mass of sodium chloride and potassium chloride in the mixture?

A 0.722 g mixture containing only sodium chloride and potassium chloride was dissolved in water. It required 82.1 mL of 0.141 M AgNO3 to completely precipitate all of the chloride present. What is...
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1d

#### empirical formula:

Complete combustion of 3.60 g of a hydrocarbon produced 11.0 g of CO2 and 5.27 g of H2O. What is the empirical formula for the hydrocarbon? Insert subscripts as necessary.empirical formula:

1d

#### Calculate the theoretical yield of iron(III) oxide ( Fe2O3 ) And The reaction produces 8.36 g of Fe2O3. What is the percent yield of the reaction?

Iron reacts with oxygen at high temperatures to form iron(III) oxide.4Fe(s)+3O2(g)⟶2Fe2O3(s)Suppose 18.0 g of iron (Fe) is reacted with 20.7 g of oxygen

1d

#### Calculate the theoretical yield of aspirin ( C9H8O4).

Aspirin can be synthesized in the lab by combining salicylic acid (C7H6O3) and acetic anhydride (C4H6O3) to form aspirin (C9H8O4) and acetic acid (C2H4O2). The balanced equation for this...
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1d

#### A particle rotates in a circle with centripetal acceleration a = 14 m/s^2 .

A particle rotates in a circle with centripetal acceleration a = 14 m/s^2 .What is a if the radius is doubled without changing the particle's speed?What is a if the speed is doubled without...
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1d

#### An old-fashioned LP record rotates at 33⅓ .

An old-fashioned LP record rotates at 33⅓ .What is its frequency in rev/s?What is its period, in seconds?

1d

#### On the Apollo 14 mission to the moon,

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth. Suppose he...
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1d

#### A ball with a horizontal speed of 1.25 m/s rolls off a bench 1.00 m above the floor.

A ball with a horizontal speed of 1.25 m/s rolls off a bench 1.00 m above the floor.How long will it take the ball to hit the floor?How far from a point on the floor directly below the edge of the...
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1d

#### Starting from rest, several toy cars roll down ramps of differing lengths and angles.

Starting from rest, several toy cars roll down ramps of differing lengths and angles. Rank them according to their speed at the bottom of the ramp, from slowest to fastest. Car A goes down a 10 m ...
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1d

#### A car traveling at 27 m/s runs out of gas while traveling up a 9.0 ∘ slope.

A car traveling at 27 m/s runs out of gas while traveling up a 9.0 ∘ slope.How far will it coast before starting to roll back down?

1d

#### People hoping to travel to other worlds are faced with huge challenges.

People hoping to travel to other worlds are faced with huge challenges. One of the biggest is the time required for a journey. The nearest star is 4.1×10^16 m away. Suppose you had a spacecraft...
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1d

#### A 5.60g sample of an unknown compound containing only C, H, and O combusts in an oxygen-rich environment... (2 parts to this question)

A 5.60g sample of an unknown compound containing only C, H, and O combusts in an oxygen-rich environment. When the products have cooled to 20.0 degrees Celsius at 1 bar, there are 7.05 L of CO2 and...
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1d

#### physics problem, field of an infinite plane

Without doing any math, explain why the field of an infinite plane, uniformly charged, must be constant. Likewise, explain why the field produced by an infinite, uniformly charged wire must be...
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#### physics problem, please help

Use Gauss' law to show that:a) In electrostatic equilibrium, the net charge of a conductor must remain on the surface and the field must be normal to the surface, having modulus equal to σ/∈0 where...
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