04/10/22

Write the expression in terms of the tangent function

Write the expression sin(θ^2 +1)/cos(θ^2 +1) in terms of the tangent function.
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04/10/22

Find the the rate
A motorboat traveling with the current went 35 mi in 3.5 h. Traveling against thecurrent, the boat went 12 mi in 3 h. Find the rate of the boat in calm water and the rateof the current.
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04/10/22

A sample of a newly discovered element, West Virginium, has been discovered. A 307 mg sample has decayed to 82.89 mg in only 22 years.
What is the half-life of West Virginium?
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04/10/22

math ratios and rates
While researching universities joe learns that a typical class at york university has 7 men and 4 women, and a typical class at the university of toronto has 19 men and 9 women. Do the universities... more
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04/10/22

Math question I need help
A computer and printer cost a total of $1120. The cost of the computer is three times the cost of the printer. Find the cost of each item.
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04/10/22

Two dice are rolled. Determine the probability of the following. Rolling an even number or a number greater than 10.
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04/09/22

density of the ball
A solid brass ball has a diameter of 7cm. If it has a mass of 0.28 grams, what is the density of the ball?
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04/09/22

The base of a triangle is 6 more than its height. If the area of the triangle is 108 square meters, what are the dimensions of the triangle?
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04/08/22

Find cosθ if θ is in quadrant III and tanθ=3√10/20.
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04/08/22

Pre Calc Question

Convert the exponential equation 𝑄=0.35𝑒^0.7𝑡to the form 𝑄=𝑎𝑏𝑡 and enter the values of a and b below.a=b=
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04/08/22

Pre Calc Question
A bacteria has a doubling period of 10 days. If there are 2550 bacteria present now, how many will there be in 24 days? First we must find the daily growth rate (Round this to four decimal... more
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04/07/22

Pre calc question
A population is 15000 in year 𝑡=0and grows at a continuous rate of 7.1% per year.(a) Find a formula for 𝑃(𝑡), the population in year t. (b) By what percent does the population increase each year? 
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04/07/22

Probability Math- Seven horses are entered into a race.

Seven horses are entered into a race. If three horses are tied for first place, and there are no ties among the other four horses, in how many ways can the seven horses cross the finish line?I... more
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04/07/22

The atmospheric pressure P, in pounds per square inch, at x miles above sea level is given approximately by P=22.2e−0.31x
At what height will the atmospheric pressure be one-fifth the sea level pressure?
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04/07/22

What is the value of f(5) if f(1)=3 and f(x)=3-2f(x-1)?
What is the value of f(5) if f(1)=3 and f(x)=3-2f(x-1)?Please show the steps for this recursive function. I appreciate it.
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04/07/22

A radioactive element decays at a continuous rate of 2.3%. What is its half-life in years?
I have no idea how to solve this, any insight would be great!
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04/06/22

For 3x^2 + 72 = −72y, please identify the vertex, focus, axis of symmetry, and directrix. Finally sketch the graph.
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04/05/22

Need help on this
The school that Ted goes to is selling tickets to a play. On the first day of ticket sales the schoolsold 7 senior citizen tickets and 8 child tickets for a total of $147. The school took in $158... more
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04/05/22

Need help with this
The local amusement park is a popular field trip destination. This year the senior class at HighSchool A and the senior class at High School B both planned trips there. The senior class at... more
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04/05/22

Please help me with this
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).In the diagram,  and  are the perpendicular bisectors of  and ,... more
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04/05/22

Is the answer cosα+sinαtanβ
Which of the following is equivalent to cos(α+β)/cosβ for all values of α and β for which cos(α+β)/cosβ is defined?cosαcotβ+sinαcosαcotβ−sinαtanαcosβ−sinβcosα−sinαtanβcosα+sinαtanβ
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04/05/22

Find the 25th term of this arithmetic sequence: 132, 136, 140, 144,...
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04/05/22

Quadratic Equations
Write the quadratic equation whose roots are 4 and -4 and the leading coefficient is 5.
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04/04/22

The weights of the bags are normally distributed. It has been calculated that 99.7% of the bags fall between 24.28kg and 25.72 kg. What is the standard deviation of the data?
A volunteer group is packaging bags of rice to send to a foreign country. The weights of the bags are normally distributed. It has been calculated that 99.7% of the bags fall between 24.28kg and... more
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04/04/22

Solve the equation in the interval [ 0 , 2 π ] . If there is more than one solution write them separated by commas. (sin(𝑥))^2=1/25
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