10/19/21

Lithium has to naturally occurring isotopes: lithium-6 and lithium-7. If the average atomic mass of lithium is 6.941 amu, which isotope is the most abundant? How do you know

Lithium has to naturally occurring isotopes: lithium-6 and lithium-7. If the average atomic mass of lithium is 6.941 amu, which isotope is the most abundant? How do you know?

Probability and Statistics

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Enter a number. Round your answer to four decimal... more

10/03/21

Let f(x) be a function such that f′(2)=6

What is the derivative of f(4x) when x=0.5?What is the derivative of f(x-2) when x=4?What is the derivative of f(x/8) when x=16?

math problem please help

 Determine if the following functions are one-to-one, even,odd, periodic.f(x)=8x5please tell me the right answer so I can understand properly

Each second for 4 seconds, an elevator descends 10 feet. Find the total change in elevation.

This is a question on my worksheet. Also, I am a 7th grader. NEED HELP! Thank you!!!!! 😊 

09/04/17

There are 16 girls in a school club. The number of girls is four more than twice the number of boys. Find the number of boys

There are 16 girls in a schoolclub. The number of girls is fourmore than twice the number ofboys. Find the number of boys.

Differential Equations

Find the solution of the differential equation   dy/dx*(ln(y))^2 = yx^2   which satisfies the initial condition y(1)=e^2   y = ?

I need help with this question. Please. Thanks. Question in description.

Which occurred first? The Rodney King incident or the riots of Los Angeles? Also, what caused the Rodney King incident? Thanks.

Write the the word statement as an equation

the sum of a number and 3, multiplied by the sum of the number and 5 is equivalent to 19.

$29,800 AT 11% COMPOUNDED ANNUALLY FOR 8 YEARS

$29,800 AT 11% COMPOUNDED ANNUALLY FOR 8 YEARS

09/13/16

Sodium sulfate is a white powder that is very soluble in water, but it is not soluble in hexane (a liquid hydrocarbon). If added to barium nitrate dissolved wat

Sodium sulfate is a white powder that is very soluble in water, but it is not soluble in hexane (a liquid hydrocarbon). If added to barium nitrate dissolved water, a white, insoluble precipitate... more

09/05/16

how to polynomial graph:end behavior

what is the polynomial graph:end behavior of this p(x)=10x3-5x2+2x+4

09/05/16

What occurs when you combine 25 grams of zinc (Zn) with hydrochloric acid (HCI) in a closed flask?

Having trouble understanding it 

09/05/16

What is the mass of 5.3x 10^9 atoms of Ne? Answer in grams.

What is the mass of 5.3x 10^9 atoms of Ne? Answer in grams. 

Algebra two; Solving Absolute Equations

Before an election, a company conducts a telephone survey of likely voters. Bases on their survey data, the polling company states that an amendment to the state constitution is supported than 59%... more

the larger of two numbers is 12 more than the smaller, and when added together the sum of the larger number and six times the smaller number is 180.

I just need to find out how to find out what the smaller and larger numbers are because this is really difficult!

11/06/15

Let X represent the temperature in degrees Fahrenheit. What is the range of temperatures for which this substance is not in a liquid state?

Matter is in a liquid state when its tempature is between its melting point and its boiling point. Suppose that some substance has a melting point of -36.29*C and a boiling point of 350.34*C. What... more

11/06/15

Molecules store _____________ energy due to the arrangement of the atoms.

Potential Electronic Kinetic Energonic

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