Arturo O.

For a column of cold air with a mean temperature of 0°C and a density (ρ) of 1.4 kg m-1, use thehydrostatic equation (Δp/Δz = -ρg) to determine the rate of change of pressure with height(Δp/Δz)... more

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Trigonometry

05/07/17

TRIGONOMETRY

PYTHAGOREAN THEOREM Right angle triangle: C=25 A=x B=4x . My textbook says x=6.06 but I think it's wrong, please explain how I work this out. I know the formula is A^2=C^2-B^2 thanks.

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Whatever.

05/07/17

How much did he earn this week?

Armando works part time at a pet store. This week he earned $18 less than 4 times the amount he earned last week. His total earnings for the two weeks were $262. How much did he earn this week?

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Algebra

05/07/17

The stopping distance d of a car after the

The stopping distance d of a car after the brakes are applied varies directly as the square of the speed r, if a car traveling 40 mph can stop in 70 ft, how many feet will it take the same car to... more

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Algebra 2

05/07/17

bacteria initial population

An initial population of bacteria grows continuously at a rate of 2.8% per day. What is the population after 48 hours if the initial bacertial population is 180?

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Trigonometry

05/07/17

x^2/16+y^2/81

Identify the conic as a circle or an ellipse. Then find the center, radius, vertices, foci, and eccentricity of the conic (if applicable), and sketch its graph. Help, the only thing I know is that... more

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Precalculus

05/07/17

Math help needed ASAP!!!!

Use the Laws of Logarithms to rewrite the expression below in a form with no logarithm of a product, quotient, or power.log4(x(x-9))

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Merchandising Mer

05/07/17

how do you factor m^2-3m-4

T

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Answers •1

Combine In Terms

05/07/17

7p−(−5)+(−1) combine like terms with a negative coefficent

Combine like terms with a negative coefficent. Ex 7p−(−5)+(−1) I get the whole combining the things like 7p has nothing to combine with, and combine the numerical values -5 and -1. Whats... more

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Golf Ball

05/07/17

If I launch a golf ball straight up and it takes five minutes to return , how high did it reach?

I launched a golf ball by way of homemade mortar and tube. I believe it was gone for longer than five minutes

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Polynomials

05/06/17

8^(3x-9)-12=500

solving for x

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Quadratic Equations

05/06/17

The difference between the roots of the quadratic equation x2−12x+q=0 is 2. Find q.

The difference between the roots of the quadratic equation x2−12x+q=0 is 2. Find q. The difference between the roots of the quadratic equation x2−12x+q=0 is 2. Find q.

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Domain

05/06/17

What's the domain of y=√7x-4

I've tried many different approaches to this problem but I still can't seem to get it. The answer choices are: A)x >_ 4 B)x >_ 4/7 C)x <_ 4 D)x <_ 4/7

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Astronomy So Hard Eisten

05/06/17

A comet is discovered that has an orbital period of 105 years. Determine the average distance of this comet from the Sun in AU

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Applied Maths

05/06/17

What percent of the project is completed?

Sarah has a very large assignment to do that consistsof 245 problems. At the end of the week she has completed120 of the problems.

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Other

04/30/17

4(3x-7)=16

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Variation Functions

04/28/17

What is the particular equation expressing nitrogen concentration in terms of depth?

Nitrogen concentration varies linearly with the depth at which you are swimming. At 20 feet, concentration is 190 milligrams per liter of blood. At 30 feet, concentration is 225 milligrams per... more

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how did goverment in sparta differ from goverment in athens

given vector u=<1,1> and vecotr v=<2,-1>, express vector w=<-2,0> in terms of vectors u and v

Rewrite 4sin(x)-5cos(x) as Asin(x+phi)

Hydrostatic Equation

TRIGONOMETRY

How much did he earn this week?

The stopping distance d of a car after the

bacteria initial population

x^2/16+y^2/81

Math help needed ASAP!!!!

how do you factor m^2-3m-4

7p−(−5)+(−1) combine like terms with a negative coefficent

If I launch a golf ball straight up and it takes five minutes to return , how high did it reach?

8^(3x-9)-12=500

The difference between the roots of the quadratic equation x2−12x+q=0 is 2. Find q.

What's the domain of y=√7x-4

A comet is discovered that has an orbital period of 105 years. Determine the average distance of this comet from the Sun in AU

What percent of the project is completed?

The Population of a town which is now 6,000 increases 10% each year for five years To the nearest integer what will be the total population after 5 years?

An ideal meter stick is balanced on a pencil which is at the 60 cm mark. A 6 gram mass sits at the 90 cm mark. What is the mass of the meter stick?

3/7 * 15/12

I want to make a program (program to write hello world 500times with help of whileloop in gwbasic?

A truck with a mass of 1000.0 Kg was at rest. An impulse was applied to the truck. The force was 200.0 N.

How to solve an equation by expressing each side as a power of the same base and then equating exponents

What is the particular equation expressing nitrogen concentration in terms of depth?

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