Andres

This page lists questions and answers that were posted by visitors named Andres.

Questions

The following questions were asked by visitors named Andres.

4Xsquared+7x+3 find the quadratic equation by factoring to solve. Show work

what is congruent?

A rock is tossed straight up with a velocity of 34.0 m/s. When it returns, it falls into a hole 17.3 m deep. What is the rock's velocity as it hits the bottom of the hole? How long is the rock in the air, from the instant it is released until it hits the...

A picture hangs motionless on a wall as shown in the Figure. If the picture has a mass of 5.0 kg, what are the tension forces in the wires?

An example of ______________ would be if you argue that most behaviors are a product of your environment and your friend argues that behaviors are a result of heredity

determine real numbers a and b so that the expression 8sin^2(theta) + 2cos^2(theta) can be rewritten as (a)sin^2(theta) + b? If you can help me out on how to start it would be great.

determine real numbers a and b so that the expression 8sin^2(theta) + 2cos^2(theta) can be rewritten as asin^2(theta) + b I just need help in how to start it.

How many oxygen atoms are in 6.70 g of Al2(SO4)3? Express your answer using scientific notation with two decimal places.

Suppose Y1 is a function of x which dy1/dx=3y1. Suppose y2 is a function of x which dy2/dx=8x+5. If the graphs of y1 and y2 have the same y-intercept and they intersect at x=2, then determine the value of the y-intercept.

Determine the x-value for each inflection point on the graph of the following function. f(x)=3x^5-5x^4-80x^3+360x^2+1000x+850

A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be reinforced and costs $34 per foot. Fencing that coast $16 per foot can be used for the other three sides. What dimensions for the pen...

Calculate the sodium ion concentration when 50.0 mL of 2.0 M Na2CO3 is added to 100.0 mL of 3.0 M NaHCO3

4.0 L of hydrogen gas reacts with 2.0 L of nitrogen gas (at the same temperature and pressure), producing ammonia gas, NH3. Find the limiting reactant.

You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M NaOH. Determine the molar mass of the acid.

If an atom gains energy, is it in a more stable or unstable state?

The graphs of f(x) = x^3 and g(x) = 3X+5 have one intersection point. Determine the x-value for this intersection point using Newton's Method with an initial estimate of X1=2. You should use this method three times in order to obtain estimates X2, X3, and...

6x-3y = -6 and -5x + 7y = 41 I got stuck on this problem and my answers are outrageous so please help?

A 56-kg student runs at 4.2 m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake (Figure 1) . He releases the rope when his velocity is zero. What is the angle θ when he releases the rope? What is the tension in the rope just before he relea...

A house worth $350,000 when purchased was worth $335.000 after the first year and $320,000 after the second year. If the economy does not pick up and this trend continues, what will be the value of the house after 6 years. A) determine if is arithmetic or...

I need to make an acrostic poem for the word ECOSYSTEM and each letter has to be a phrase. I need help.

The cost of cabin lodging is $25 per lodger. The equation y = 25x relates the total lodging cost (y) to the number of lodgers (x). Identify the unit rate in the equation.

Does a reaction occur when aqueous solutions of chromium(II) sulfate and potassium hydroxide are combined?

Answers

The following answers were posted by visitors named Andres.

so would the inflection point be x=-3 because that's where it goes from decreasing to increasing

la energia balistica es igual al cambio de energia de transicion. qv= kz^2((1/nf^2)-(1/ni^2))) solo hay una emision del espectro, entonces la energia balistica solo es capaz de exictar del estado n=1 al estado n=2: qv= kz^2((1/2^2)-(1/1^2)))=3/4*kz^2 z=((...

you are welcome !!

the pores in their leaves?

The difference of twice a number g and 10 is 24. Twelve more than a number b

Silvers Rayleigh was correct

If a regular pentagon has a side of length 2x + 1, what is the perimeter of the pentagon?