06/18/20

hello i need help with this application question
The charcoal from a tree killed in a volcanic eruption contained 66.7% of the carbon-14 found in living matter. How old is the tree, to the nearest year? Use 5700 years for the half-life of carbon-14. more
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06/18/20

A car travels 300 mi averaging a certain speed. If the car had gone 10 mph​ faster, the trip would have taken 1 hr less. Find the​ car's average speed.
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06/18/20

If the fine imposed is the one needed to motivate the company to cleanup the spill in the specified number of days, and the company hires crews to do that, what would the Cost to the company be?
WHAT YOU KNOW:An oil spill has fouled 400 miles of Pacific shoreline. The company responsible has been ordered to clean the mess. Each clean-up crew costs $14000 to bring in, and $400 per crew per... more
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06/17/20

Use a power-reducing identity to rewrite sin3x in terms containing only first powers of sine and cosine
I have been going crazy! Trying to figure this out. Each attempt I have made gets me confuse and I do not get a correct answer
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06/17/20

the formula A=19.6 e ^ 0.0138t models population of US state, A, in millions, t years after 2000. what was the population of state in 2000?
b. when will the population of state reach 25.9 million?
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06/17/20

If the fine imposed is the one needed to motivate the company to cleanup the spill in the specified number of days, and the company hires crews to do that, what would the Cost to the company be?
WHAT YOU KNOW:An oil spill has fouled 400 miles of Pacific shoreline. The company responsible has been ordered to clean the mess. Each clean-up crew costs $14000 to bring in, and $400 per crew per... more
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06/16/20

What are the first four terms of a sequence given the recursive rule below?
f(n)=2×f(n-1)+3 for all n≥2 and f(1)=7A. Not enough informationB. 7, 9, 11, 13C. 7, 15, 31, 63D. 7, 17, 37, 77
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06/16/20

Algebra 2 homework help
If  6 + 4i/1 - 3i = a + bi, what is the value of a + b
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06/16/20

Word problem solving

What is the equation of the line that has a slope of -3 and passes through the point (-2,4)A) y=-3x+4B) y=-3x—4c) y=-3x+2d) y=-3x - 2f) y=-3x
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06/16/20

3 less than six times a number
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06/16/20

Find the distance between City A ​(46 degrees 2 prime46°2′ north​ latitude) and City B ​(23 degrees 38 prime23°38′ north​ latitude). Assume that the radius of Earth is 3960 miles.
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06/15/20

The half-life of strontium-90 is 28 years. How long will it take a 80-mg sample to decay to a mass of 32 mg? (Round your answer to the nearest whole number.)
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06/15/20

Charter Revenue
Charter RevenueThe owner of a luxury motor yacht that sails among the 4000 Greek islands charges $528/person/day if exactly 20 people sign up for the cruise. However, if more than 20 people sign up... more
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06/15/20

Polynomials! SAT preparation practice help!!!
The average retail price of gas in America from 1979 to 2008 can be modeled by the functionP (x) = 0.008x3 - 0.307x2 + 4.38x + 25.72Where P is the price of gas in cents per litre and x is the... more
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06/15/20

Polynomial practice help!!!
The average retail price of gas in America from 1979 to 2008 can be modeled by the functionP (x) = 0.008x3 - 0.307x2 + 4.38x + 25.72Where P is the price of gas in cents per litre and x is the... more
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06/14/20

Determine the magnitude and direction of the following vector (starting at the original) express the direction in both polar form and as a bearing. OA=(6,3)
Determine the magnitude and direction of the following vector (starting at the original) express the direction in both polar form and as a bearing. OA=(6,3)
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06/14/20

Steve buys a ticket to the opera. At the last moment, he finds he cannot go and sells the ticket to Judy for $10, which was a loss of 16 2/3 %. What was the original price of the ticket?
Can you please help me with this question? These are the answer choices.(A) $8.33 (B) $16.66 (C) $12 (D) $11.66 (E) $15
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06/13/20

Bobby sent $27 to the newspaper dealer for whom he delivers papers, after deducting his 10% commission. How many papers did he deliver if they sell for 20 cents each?
Can you please help me with this question? These are the answer choices.(A) 150 (B) 135 (C) 600 (D) 160 (E) 540
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06/13/20

Michael sells appliances and receives a salary of $125 per week plus a 5% commission on all sales over $750. How much does he earn in a week in which his sales amount to $2130?
Can you please help me with this question? What confuses me the most is how to find the commission of the sales over $750. This are the answer choices.(A) $69 (B) $294 (C) $106.50 (D) $194 (E)... more
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06/13/20

trigonometry word problem
A 25 m tall flagpole casts a shadow that is 10 m long. At the same time, a nearby office building casts a shadow that is 26 m long. What is the height of the building?
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06/12/20

Express the x and y coordinate as a function of time
1)     Consider a point P on the circumference of a wheel with radius 3m. At t = 0, the wheel is standing still leaning against y axis and x axis. This means center is at (3, 3)... more
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06/11/20

Solve the following system

x+y+2z=-23x-y+14z=6x+3y=-5Please include steps and answerplease also try to explain how to draw the system
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06/10/20

Given the geometric sequence where a1 = 3 and the common ratio is −1, what is the domain for n
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06/10/20

amount of days for plumbing company

A builder works with two plumbing companies. Company A is known to take 3 days longer than Company B to install the plumbing in a particular style of house. Using both companies, it takes 5 days.... more
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06/09/20

trigonometric ratios question, help ASAP

North star at Tahoe has a beginner ski slope makes a 15° angle with the ground. How far does a skier travel over a horizontal distance of 120 meters?
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