04/19/23

cost of tuition algebra help word problem
The average cost of tuition at a public community college in Oregon was $3,520 in 2005 and this cost has increased somewhat linearly at $4,414 in 2017. Let x be the number of years since 2000 and... more
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04/19/23

Problem help needed algebra

A large watering tank on a ranch holds 500 gallons of water when it is full.At time x=0, the tank is full but an angry stallion has kicked a hole in it. The water begins leaking out at a constant... more
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04/19/23

Word problem help needed

Humberto has $1700 in a savings account to use for spending money during his summer trip to Mexico. He was careful and spent only $175 each week. -Write a linear equation in slope-intercept form... more
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04/17/23

please need help
shaquana kicks a football. its height in feet is given by h=−16t^2+16t where t represents the time in seconds after kick. after how many seconds does the football hit the ground?
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04/17/23

please need help
shaquana kicks a football. its height in feet is given by h=−16t^2+16t where t represents the time in seconds after kick. after how many seconds does the football hit the ground?
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04/17/23

pre calc question 10
A car was valued at $25,000 in the year 1992. The value depreciated to $10,000 by the year 2001.A) What was the annual rate of change between 1992 and 2001? r =  Round the rate of decrease to 4... more
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04/17/23

pre calc question 9
A house was valued at $105,000 in the year 1994. The value appreciated to $165,000 by the year 2006.A) What was the annual growth rate between 1994 and 2006?r =  Round the growth rate to 4 decimal... more
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04/17/23

pre calc question 8
Find a formula for the exponential function passing through the points (-3,3/64) and (2,48)f(x) =   
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04/16/23

Question around tax and percentages.
A rare painting increased in value 3,100% over the past 49 years. This was an increase of $33,000. What was the value of the painting 49 years ago? What is the value of the painting now?My answer... more
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04/15/23

word problem algebra
the current stream moves at a speed of 9mph. A boat travels 39mi upstream and 39 mi downstream in a total time of 11hr. what is the total time of the boat in still water
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04/15/23

Precalculus (Question In description)
The half-life of radioactive strontium-90 is approximately 29 years. In 1965, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into... more
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04/15/23

Find the half-life (in hours) of a radioactive substance that is reduced by 15 15 percent in 75 75 hours.

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04/13/23

Algebra 1 benchmark

Consider the following arithmetic sequence, defined recursively:a1 = 19An =An-1-4Select the explicit formula for this sequence:A: An = 19 + 4(n -1)B: An = 19 • 4(n - 1)C: An = 19 - 4(n - 1)D: ... more
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04/12/23

Need help with Quadratic Formula

Using the separated quadratic formula, calculate the right term  for f(x) = x2 + 2x - 3. How do I find out how to do this I'm confused about this and struggling.
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04/11/23

Law of Cosines: Steep mountain inclined 74 degree, rises to a height of 3400ft, cable car is installed to top of mountain 870ft out. Find shortest length of cable needed.
A steep mountain is inclined 74 degree to the horizontal and rises to a height of 3400 ft above the surrounding plain. A cable car is to be installed running to the top of the mountain from a point... more
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04/11/23

Law of Cosines: A triangular parcel of land has sides of lengths 120 feet, 190 feet and 173 feet. See below for the rest of the problem:
a) What is the area of the parcel of land? Round answer to two decimal places. Area = b) If land is valued at $2200 per acre (1 acre is 43,560feet^2), what is the value of the parcel of land? Round... more
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04/11/23

Law of Cosines: A parallelogram has sides of lengths 9 and 4, and one angle is 39°. What is the length of smaller diagonal? What is the length of longer diagonal?

Answer should be entered as a number, accurate to three decimal places.
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04/11/23

Law of Cosines: Pilot flies for 1h 3omin. Heads 10 degrees right, and then flies 2h in new direction. If she maintains constant speed of 610mi/h, how far is she from starting position?
A pilot flies in a straight path for 1 h 30 min. She then makes a course correction, heading 10 degrees to the right of her original course, and flies 2 h in the new direction. If she maintains a... more
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04/11/23

Law of Cosines: Steep mountain inclined 74 degree, rises to a height of 3400ft, cable car is installed to top of mountain 880ft out. Find shortest length of cable needed.

A steep mountain is inclined 74 degree to the horizontal and rises to a height of 3400 ft above the surrounding plain. A cable car is to be installed running to the top of the mountain from a point... more
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04/11/23

Exponential and Logarithmic functions
The doubling period of a bacterial population is 15 minutes. At time t=90 minutes, the bacterial population was 70000.What was the initial population at time t=0?   Find the size of the bacterial... more
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04/10/23

(tan77-tan17)/(1+tan77tan17)=tanA=√B
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04/10/23

Geometry question

The area of a rectangular painting is 6336 cm² if the width of the painting is 66 cm what is its length?
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04/09/23

Two angles form a linear pair. One angle is 14o more than the other. What is the measure of the smaller angle?

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04/09/23

How many of each type of ticket was sold?
A 1200 seat theater sells two types of tickets for a concert. Premium seats sell for $30 each and regular seats sell for $20 each. At one event $30,160 was collected in ticket sales with 10 seats... more
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04/07/23

Assuming the parallelogram is made up of six equilateral triangles, find unit vectors in the directions of PS and QS.

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