02/06/23

Write the sum using sigma notation: 3+6 + 9 + 12. What goes above the sigma and what is to the right. I know n = 1 goes under the sigma.
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02/06/23

Given two terms of the arithmetic​ sequence, a9 = 30 and a14 = -15​, find a1 and d.

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02/04/23

h(t)=-16t^2+32t+128
The height of a projectile launched upward at a speed of 32 feet/second from a height of 128 feet is given by the function h(t)=-16t^2+32t+128. How long will it take the projectile to hit the ground?
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01/30/23

Please gelp me wirh algerba 2 work

The volume of a figure is x3--9x. The surface area of another figure is 8x2.Disregarding the units,the volume of the first figure equals the surface area of the second figure. What are the possible... more
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01/30/23

Please help me with algebra 2

What is the remainder when f(x)=x4+x3--x2+5x-4 is divided by x+3
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01/14/23

How many large boxes, x, can the lift carry?
a lift at a warehouse has a capacity of 500 pounds. small boxes weigh 10 pounds each, medium boxes weigh 15 pounds each, and large boxes weigh 25 pounds each. the lift is already carrying 8 small... more
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01/13/23

parametric equations I need help
x=9t^2 and y=27t^3I know what the graph looks like and the equation I came up with was y=x^(3/2). The assignment tells me that is wrong. I tried including the domain of x>= 0, and that was wrong... more
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01/12/23

The volume of a rectangular prism is 24x^3-4x^2-8x. Use factoring to find the three dimensions of the prism
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01/12/23

If f(x)= 40x- 20 Find f(4)
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01/12/23

Solve the system of equations below for x by combining both equations. (2x + y = 9) (x - y = 3)
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01/12/23

Consider the Line y=9x-7,

Find the equation of the line that is perpendicular to this line and passes through the point (5, 2), Find the equation of the line that is parallel to this line and passes through the point (5, 2).
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01/11/23

Solve the following trigonometric equation assuming that 0 ≤ 𝜃 < 2𝜋. (Enter your answers as a comma-separated list.) 3 − 6 sin(𝜃) = 4 − 8 sin(𝜃)
Solve the following trigonometric equation assuming that 0 ≤ 𝜃 < 2𝜋. (Enter your answers as a comma-separated list.)3 − 6 sin(𝜃) = 4 − 8 sin(𝜃)Why is 𝜃= pi/6 + 2pin and 𝜃 5pi/6 + 2pin wrong and... more
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01/11/23

The price was `\$38,120\ `. Assume the car will be used solely for business and will depreciate completely (have $0 value) after 10 years.
Input below the linear equation that could be used to model the straight-line depreciating value of the car (y) over time, in years (x). Round to the nearest cent, if applicable.
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01/11/23

Find the center and radius of the circle

with a diameter that has endpoints (− 2, 7) and (9, − 4)Center as an order pair and radius as a decimal correct to three decimal places
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01/10/23

You recently have been offered a job that pays you a monthly salary of $3500 and guarantees you a monthly raise of $180 during your first year on the job.
Find the general term of this arithmetic sequence. What will your monthly salary be at the end of your first year of work?
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01/10/23

Calculus-Optimization

Centerville is the headquarters of Greedy Cablevision Inc. The cable company is about to expand service to two nearby towns, Springfield and Shelbyville. There needs to be cable connecting... more
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01/10/23

Describe the transformations of the following graph. Justify your response algebraically.
Describe the transformations that take the graph of  to the graph of . Justify your response algebraically
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01/09/23

An electrician needs to run a cable from the top of a 50 ft tower to a transmitter box located 39 feet away from the base of the to tower. How long should make the cable

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01/09/23

Calculus: Rate of Change
(Referencing Review Set 19A, Q9)I am struggling with part bQuestion: An equilateral triangle has side length x cm and area A cm2. Th side length of the triangle is increasing at 3 cm per minute.a)... more
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01/09/23

Related Rates - A circle is inside a square.
A circle is inside a square.The radius of the circle is increasing at a rate of 1 meter per minute and the sides of the square are decreasing at a rate of 5 meters per minute.When the radius is 6... more
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01/06/23

Point E is located at (-2,3) and point F is located at (3,5). What is the distance between points E and F?
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01/06/23

Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. (Simplify your answers completely.) f(x) = 2x2 + 3x
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01/06/23

trigonometry help with one question
A 132-foot antenna is on top of a tall building. From a point on the ground, the angle of elevation to the top of the antenna is 28.5°, while the angle of elevation to the bottom of the antenna... more
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01/06/23

Calculus: Sign Diagram
Question: Find f'(x) of f(x) = (3x-2)/(x+3) and draw is sign diagram. I was able to find f'(x) which was 11/(x+3)2. I am stuck on the part of drawing the sign diagram. Answer for sign diagram:... more
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01/06/23

Math Calculus Question
Question: y=x/root(1-x) has a tangent with equation 5x+by=a at the point where x=-3. Find the values of a and b. Answer: a=9, b=-16
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