08/09/22

Help please!! PEMDAS *Order of operations
All the 8th graders at a Middle School will go on a field trip to the science museum. The bus will carry the students, teachers, and parent volunteers. There are 9 classes of 25 students each, 4... more
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08/09/22

A metal rod of length 2 meters and diameter 1.5 centimeters has mass 2.827 kilograms. What is its density in kilograms per cubic meter?
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08/09/22

The Nearsighted Cow Problem: A Calculus Classic.
A rectangular billboard 9 feet in height stands in a field so that its bottom is 10 feet above the ground. A nearsighted cow with eye level at 4 feet above the ground stands 𝑥 feet from the... more
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08/09/22

Solving Trigonometry Functions
Rewrite the expression as an algebraic function of x and y.sin(cos−1 x − tan−1 y)
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08/08/22

Find an ordered pair (x,y) that is a solution to the equation 3x+y=1
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08/08/22

solve this question please
Ngoc invests a total of $26,500 in two accounts. The first account earned an annual interest rate of 6% and the second account earned an annual interest of 5%. At the end of one year, the total... more
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08/08/22

I am confused! Please help fast!!
Write a rational expression with at least one x in the denominator and then analyze it using the following questions:a. Set your expression equal to 0. Does this expression have any solutions? Why,... more
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08/07/22

Statistics Question
Police response time to an emergency call is the difference between the time the call is first received by the dispatcher and the time a patrol car radios that it has arrived at the scene. Over a... more
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08/07/22

Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 2 - 11x^2 - 8x + 6x ^2
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08/06/22

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 places.)
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
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08/05/22

Seconds to fall
The formula S= 167 is used to approximate the distance S, in feet, that an object falls freely from rest in t seconds. The height of a building is 1099 feet. How long would it take for an object to... more
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08/05/22

chp 9 question below
How many moles of solute are in the following solutions?1.40 LL of 0.26 MM NaOHNaOHExpress your answer using two significant figures.
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08/05/22

chem question below
A hot-air balloon has a volume of 990 LL at 22 ∘C∘C. To what temperature must it be heated to raise its volume to 1300 LL , assuming the pressure remains constant?Express your answer using two... more
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08/05/22

at the movies a discount ticket sells for $5 dollars off the normal price. if four discount tickets and three full price tickets cost $92, how much does each type of ticket cost?
pls help :(
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08/05/22

True or False. If false, change what is underlined to make the statement true.

If (x+3)(x-10)=2, then x+3=2 or x-10=2
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08/04/22

Integrals Please Helps

Find dy/dv for y= ∫ v (above) 0 (below) √3+4t2 dt. (dt not in square root)
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08/03/22

CALCULATE OUTPUT MAKING MAXIMUM PROFITS

You have been appointed as the Revenue Manager at Kabasorian Suppliers. From research, you have established that the company has an economic model that it uses to calculate their Revenues as well... more
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08/02/22

Find the function y=y(x) (for x>0) which satisfies the separable differential equation
Find the function y=y(x) (for x>0) which satisfies the separable differential equationdy/dx=4+20x/xy^2   x>0with the initial condition y(1)=2.y=
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08/01/22

Probabilities of compound events
You're playing a game where you defend your village from an orc invasion. There are 3 characters (elf, hobbit, or human) and 5 defense tools (magic, sword, shield, slingshot, or umbrella) to pick... more
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07/31/22

calculating work done

A tank is full of water. Find the work W required to pump the water out of the spout. Use the fact that water weighs 62.5 lb/ft3.W =______  ft-lb a = 8 b = 11 c = 15
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07/31/22

A triangle with area 21 square inches has a height that is four less than six times the base. Find the base and height of the triangle (in inches).
Solve by using methods of factoring, the square root principle, or the quadratic formula. Round your answers to the nearest tenth.
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07/31/22

Please Answer this question, as the the same problem was answered incorrectly before!
Two iron wrecking balls with a height of 5 feet each are hanging straight down on ropes one 12 feet long and the other 8 feet long. The balls are 28 feet apart. If they are swung to meet, what will... more
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07/31/22

S(s) + 6HNO3(aq) → H2SO4(aq) + 6NO2(g) + 2H2O(l)
The equation shows the reaction of sulfur with hot concentrated nitric acid:        S(s) + 6HNO3(aq) → H2SO4(aq) + 6NO2(g) + 2H2O(l)Calculate the mass of nitrogen dioxide made, in grams, when 2.0 g... more
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07/28/22

Roger swam 19 laps in the pool. Anna Maria swam 4 times as many laps as Roger. How many laps did Anna Maria swim?
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07/28/22

Pre calc. question regarding terminal arms and rotations
The point (4, 8) lies on the terminal arm of an angle of rotation. Name the point in each of the other quadrants which has the same reference angle.
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