06/02/17

if n is the average of three numbers x, 12 and 15, what is the value of x?
if n is the average of three numbers x, 12 and 15, what is the value of x?
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06/01/17

How many zeros does the function f(x) = 4x11 − 20x7 + 2x3 − 15x + 14 have?
How many zeros does the function f(x) = 4x11 − 20x7 + 2x3 − 15x + 14 have?
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06/01/17

What is estimated population of the city in 2010?
The quadratic function f(x)=45x^2+350x+1590 models the population of a city where x represents the number of years since 2005 and f(x) is the population of the city in thousands of... more
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06/01/17

What is the redox reaction of citric acid and NaOH?
Please help! if you know any websites that give complex information about citric acid and its reactions; not citric acid cycle, citric acid!
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06/01/17

How to find the missing matrix?
I need help finding f  in this equation:   2  3 4  5   x   f   =   12  16  10  15     IMPORTANT!!: CROSS PRODUCT NEEDS TO ME USED! NOT DOT PRODUCT!
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06/01/17

The sum of the page numbers on the facing pages of a book is 73. What are the page​ numbers?
how do you solve this?(with step by step answers)
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05/31/17

can someone help me solve this chemistry question please?
What is the pH of a solution with [H3O+] = 1 × 10-9 M?
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05/31/17

If cos θ= sqrt15/5 and 0°<θ<90°, what is sec θ?
If cos (θ)=sqrt15/5 and 0°<θ<90°, what is sec (θ)?
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05/31/17

If one angel can be in 19 different places at the same time, how many places can 19 angels be at at the same time?
I'm just curios of the probability logics related to the question. I know 19! is the probability of 1 to 19, so is 19^19 or is it 19!^19!?   So the question I have is: If one angel can be in 19... more
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05/31/17

calculate the mass in grams of
Calculate the mass in grams of 3.50 x 1012 molecules of ammonium tartrate. 
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05/31/17

Using a system of linear equations
Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1875. What was the rate charged per hour by each... more
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05/30/17

1 mole of strontium phosphite contains...
1. How many strontium ions?   2. How many phosphite ions?   3. How many oxygen atoms?   Please show work so I know what you did, thank you
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05/30/17

physics help
If a solar system has one planet and the planet travels at a constant speed, then the planet's orbit will be _____. A. circular B. elliptical C. the same as the other body in the system
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05/30/17

Physics help
Which of the following are true about a planet when it is at its greatest distance from the Sun? A. It is at aphelion. B. It is at perihelion. C. It is moving at its greatest speed. D. It is moving... more
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05/30/17

solve 4h+2d=354 please show step by step
solve 4h+2d=354 please show step by step
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05/30/17

Which discovery made it possible for modern scholars to translate Egyptian hieroglyphics?
Hfhgg hgugg hyguygg 
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05/29/17

Convert the following units (Show Work Please)
How many grams are in 5.12 moles of HCN?
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05/29/17

How many grams of sodium are in 50 grams of NaBr
It is chemical quantities
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05/29/17

Convert -2i to it's trigonometric form
Convert equation to trigonometric form
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05/29/17

whats the y intercept of y=9.18x+0
y=9.18x+0=6815
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05/29/17

Trig Questions: What are the solutions of sin (x – π) + 2 = 1 in [0, 2π)?
1) What are the solutions of sin (x – π) + 2 = 1 in [0, 2π)?2) Use your calculator to find arcsin (sin (150 degrees) ). Why didn’t the calculator say 150 degrees?3) What are the four solutions of... more
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05/29/17

Find the values of a in the domain of f, for which f(a) equals the given number.
f(x)=x2-2x-17; f(a)=-2
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05/29/17

Find mass of unknown metal
What mass of an unknown metal is required to raise the temperature of water from 25°C to 30°C if the heat released is 2730J and the specific heat of the metal is 4.71J/g°C?
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05/29/17

average rate
Suppose that a cyclist began a 627mi ride across a state at the western edge of the state, at the same time that a car traveling toward it leaves the eastern end of the state. If the bicycle and... more
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05/29/17

how many units
The point at which a company's costs equal its revenues is the break-even point. C represents the cost, in dollars, of x units of a product and R represents the revenue, in dollars, from the sale... more
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