03/21/23

Rectangular coordinates, identify curve

rewrite the equation r = 10 cos θ in rectangular coordinates and identify the curve in words
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03/21/23

The table shows the numbers x of absences in a school year and the final exam scores y of several students
The table shows the numbers x of absences in a school year and the final exam scores y of several students Absences, x 4 5 6 1 1 Final Exam... more
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03/21/23

what is the max height
A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function =ht−80t16t2. After how long will it reach its maximum height?
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03/20/23

Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form. 64,8,1,
Please clarify if it is a Geometric or Arithmetic, and can you define the common difference between the numbers????
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03/20/23

How many dinner specials are possible?
or the dinner special at a restaurant, the customer must choose an appetizer, a salad, an entree, a side dish, and a dessert.Here are the items to choose from. ChoicePossible... more
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03/20/23

Angular kinematics

A wheel 2.20 m in diameter lies in a vertical plane and rotates with a constant angular acceleration of 4.10 rad/s2. The wheel starts at rest at t = 0, and the radius vector of a certain point P on... more
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03/19/23

What are the possible rational zeros of f ( x ) = 2 x 4 + 5 x 3 − 2 x 2 − 11 x − 6 ?
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03/19/23

Exponential and logarithmic models

(table)x) 1 2 3 4 5 6 y) 831 924 1047 1129 1293 1366use regressions to find an exponential equation that best fits the data above. The equation has form... more
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03/18/23

Linear and exponential functions
The table below represents the function f(x). x -6 -5 -4 -3 -2 -1 0 f(x) 8.002 8.007 8.018 8.05 8.135 8.368 9 *Note: Values in the table are rounded where necessary.If g(x) is an exponential... more
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03/18/23

Chemistry question
A sample containing 7.60 g O2 gas has a volume of 27.0 L . Pressure and temperature remain constant What is the new volume if 0.700 mole O2 gas is added
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03/18/23

stoiciometry and moles
Starting with the following equation, Ca₃(PO₄)₂(s) + H₂SO₄(aq) → CaSO₄(s) + H₃PO₄(aq) calculate the mass in grams of Ca₃(PO₄)₂ that will be required to produce 475 grams of CaSO₄.
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03/17/23

im begging pls help ive gotten this wrong too many times
The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.69 inches. The heights of adult women in America are also normally... more
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03/16/23

what is the angles

The measure of one of the small angles of a right triangle is 66 more than 2 times the measure of the other small angle. Find the measure of both anglessmallest angle:other non right angle:
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03/16/23

What is the equation?
Fcous is (5,7) and the directix y=0 what is the the equation
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03/16/23

precalculus help
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03/16/23

write an exponential function with two given points
Write an exponential function in the form y=ab^xy=abx that goes through points (0,9) and (3,4608).
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03/16/23

precalculus help
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03/16/23

An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. Fir
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only a rope and a bag of tools. First, he tries to throw a rope to his... more
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03/15/23

Quadratic Functions
The graph below shows a company's profit f(x), in dollars, depending on the price of pencils x, in dollars, sold by the company:Part A: What do the x-intercepts and maximum value of the graph... more
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03/15/23

what is the height of the candle after 14 hours
The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line with a slope of -0.5Suppose that the... more
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03/15/23

I need help with these two questions about triangles
I have two questions been torturing me since yesterday, I tried to use the law of sines, but I couldn't. to be real, I really don't understand what these quotations want me to do.The first... more
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03/15/23

Let A= (1,3), B=(6,0), and C= (9,9). Find the size of angle BAC.
Let A= (1,3), B=(6,0), and C= (9,9). Find the size of angle BAC.Hint: add x=1 into the diagram and think about how to draw in right triangles to solve the problem.
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03/13/23

Looking for mass
What is the mass of a large balloon used to sample the upper atmosphere that is filled with 355 m^3 of helium? What is the mass of the helium in kg?
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03/13/23

for which of the equations would you divide by 3 as the first step in the solution
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03/13/23

Help with graphing calculus problem?
Sketch on the xy-plane the graphs of any two functions f and g that on some interval [a, b], and intersect each other at a and b: that is f(a) = g(a) and f(b)=g(b)Does there have to be some point c... more
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