10/09/24

Quadratics equations
Josh is standing on the top of a building that is 425 feet tall. He throws a penny up into the air with an initial velocity of 32 ft/sec. Which equation models the situation?
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10/07/24

DRV Probability
Suppose we have a standard deck of 52 cards (not including jokers). We are playing 5-card poker where players are handed 5 cards each. Find the probability all 5 cards are black. And find the... more
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10/06/24

DRV Probabilities
Suppose I have a 20-sided dice. What is the probability that in 5 rolls of the dice I get a number less than 6 exactly twice?
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10/06/24

The average teacher's salary in a particular state is $54,148. If the standard deviation is $10,210 , find the salaries according to the z-score, z=3
The average teacher's salary in a particular state is $54,148. If the standard deviation is $10,210 , find the salaries according to the z-score, z=3
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10/06/24

P(x)=x^3-6x^2+2x-12 has two complex roots and one real root as seen on the graph. Show that i radical 2 is a complex root of P(x). Hint: remember that i^2=-1.
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10/05/24

jane, bob, and tony served a total of 50 orders monday at the school cafeteria. bob served 2 times as many orders as tony. jane’s served 10 fewer orders than tony. how many did each serve?
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10/05/24

How many groups of 2/5 are there in 4/5
How many groups of 2/5 are there in 4/5. My elementary students, can you figure it out. Use a model to show.I can’t wait to see those answers.
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10/05/24

How to find the integral of a solid using disks or washer's method when rotating the region enclosed by y=1/x^5, y=0, x=3, x=7 about the line y=-5?
The volume of the solid obtained by rotating the region enclosed by y= 1/x5, y= 0, x= 3, x= 7 about the line y= -5.Find the integral (disks or washer's method) needed.V= ∫ ... dxI know that a= 3... more
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10/05/24

CRV Distribution
I hold a length of 1m string in my hand, with the end trailing to the ground. I am blindfolded and someone cuts the string at a completely random point. Let X be the length of string still in my... more
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10/05/24

In the figure below, F is between E and G , and G is between F and H. if FH13, FG=5, and EG=9, find EH
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10/04/24

Six-Trig Ratio│Please Help!
Given the point (-6, 12) determine the six-trig ratio. Determine the two complementary angles. Label the angles G, H, I, with H being the right angle.
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10/04/24

Standard Deviation

Suppose a normally distributed set of data with 7100 observations has a mean of 188 and a standard deviation of 13. Use the 68-95-99.7 Rule to determine the number of observations in the data set... more
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10/04/24

a proportion that includes the distributive property with any answer that is not a fraction or decimal
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10/04/24

given f(x)=5x^2-5x+3, find the average rate of change of f(x) on the interval [4,4+h]. Your answer will be an expression involving h.
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10/04/24

(-7​,-5​); y=- 5 x + 1 i need help putting this into slope intercept
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10/04/24

algebra 1 word problem

devin volunteers to bring 80 water bottles to a swim meet. he has 10 water bottles in the fridge at home. the store sells cases of water bottles that contain 24 bottles each. A) write an equation... more
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10/03/24

Write an equation in​ point-slope form of the line that passes through the given point and with the given slope m. left parenthesis negative 7 comma 4 right parenthesis​; mequals7

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10/02/24

tickets to the concert went on sale today. adult tickets were $5 and student tickets cost $3. in all 90 tickets were sold for a total of $334. how many adult tickets were sold?
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09/28/24

Solving Right Triangles│Please Help!
Find the missing pieces of the triangle. Round to the nearest tenth.AC = ?<A = ?<B = ?Image link - https://ibb.co/7vfdnKf
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09/28/24

Solving Right Triangles│Please Help!
Find the missing pieces of the triangle. Round to the nearest tenth.AC = ?CB = ?<A = ?Image link - https://ibb.co/gzQzP9Q
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09/28/24

Left endpoint approximation

An object's velocity in meters per second after 𝑡 seconds is given by 𝑣(𝑡)= -4𝑥^2+96𝑥.Estimate the distance the object travels from 𝑡= 0 to 𝑡= 18 using left endpoint approximation with 6 rectangles.
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09/28/24

Inverse COT, SEC, and CSC │Please Help!
Round to the nearest degree. Show your work. Cot (k) = 0.8765 ; k = ? Sec(θ) = 1.6521; θ = ? csc(a) = 1.3092; a = ?
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08/12/24

How Derivatives Affect the Shape of a Graph 8
The function 𝑓(𝑥)=4𝑥+4𝑥-1 has one local minimum and one local maximum.This function has a local maximum at 𝑥=   with value   and a local minimum at 𝑥=   with value   
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08/12/24

Find increasing and decreasing intervals

Consider the function 𝑓(𝑥)=𝑥2𝑒13𝑥.For this function there are three important open intervals: (-∞,𝐴), (𝐴,𝐵), and (𝐵,∞) where 𝐴 and 𝐵 are the critical numbers.Find 𝐴   and 𝐵   For each of the... more
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08/12/24

How Derivatives Affect the Shape of a Graph
Consider the function 𝑓(𝑥)= 12𝑥^5 + 75x^4 - 120𝑥x^3 + 7.𝑓(𝑥) has inflection points at (reading from left to right) x = D, E, and Fwhere D is   and E is   and F is   
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