02/13/20

Trigonometric Functions
Throughout any given month, the maximum and minimum ocean tides follow a periodic pattern. Last year, at a certain location on the California coast, researchers recorded the height of low tide,... more
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02/04/20

Find an equation of the circle that satisfies the stated conditions. (Give your answer in standard notation.) Center at the origin, passing through P(5, −8)
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02/02/20

PLEASE HELP WITH THIS QUADRATIC FUNCTION
The graph h = −16t^2 + 25t + 5 models the height and time of a ball that was thrown off of a building where h is the height in feet and t is the time in seconds. At about what time did the ball... more
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02/02/20

Find all solutions to equation sin t - cos t = 1
express results in radians
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02/02/20

For a standard normal distribution, find the probability of obtaining a value less than z=1.5
For a standard normal distribution, find the probability of obtaining a value less than z=1.5
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02/01/20

suppose the probability of an irs audit is 2.8% for us taxpayers to file form 1040 who earned $100,000 or more what are the odds that such a taxpayer will be audited
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01/31/20

The table shows position of a cyclist. t(seconds):0,1,2,3,4,5. s(meters):0,1.4,5.3,10.5,17.4,25.1 Find average velocity for time periods: [1,3] [2,3] [3,5] [3,4].Find instantaneous velocity when t=3
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01/31/20

Solve the equation both algebraically and graphically. (Round graphical solution(s) to two decimal places. Enter your answers as comma-separated lists.

If there is no real solution, enter NO REAL SOLUTION.)x-3=5x+17Just need help solving graphicallyThanks!
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01/30/20

HELP ME PLEASE!

If tan x=3/4, and 0<x<π/2, what is cos⁡(x−3π/2)?If sin ⁡x=7/25, and 0<x<π/2, what is cos⁡(x−3π/2)?
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01/30/20

An arrow is shot upward with speed 68 m/s, its height in meters t seconds later is given by y = 68t − 1.86t^2. Find average speed at [1,2],[1,1.5],[1,1.1],[1,1.01],[1,1.001].Estimate speed at t = 1
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01/30/20

Which value of the variable is a solution of the inequality? t > –5
developmental algebra need help ASAP
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01/30/20

Quantitive reasoning

The percentage of registered voters who voted in this election was 54% up 20% from last election. What was the percentage that voted at the last elect election??i got 35%?
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01/30/20

If cos x=8/17, and 3π/2<x<2π, what is sin(x−π)?
1) If tan ⁡x=60/11, and π<x<3π/2, what is sin⁡(x−π)?2) If cos x=8/17, and 3π/2<x<2π, what is sin(x−π)?
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01/30/20

In a statistic class, there are 18 juniors and 10 seniors, 6 of the seniors are females and 12 of the juniors are males. If a student selected at random, find the probability of having:
a.) a junior or a femaleb.) a senior or a femalec.) a junior or a senior
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01/30/20

How to graph the quadratic function.
In Exercises 1–4, use the following information.A punter kicked a 41-yard punt. The path of the football can be modeled by y􏰀=-􏰁0.035x^2+1.4x+1, where x is the distance (in yards) the football is... more
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01/30/20

Evaluate the integral
Evaluate the integral  .Question options: 1) 2ln|1 - sin2(x)| + C 2)  -csc(x) + C 3)  sec(x) + C 4)  None of these
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01/28/20

The point (5,7) lies on the graph g(x). What point must lie on the graph of g(5x)?

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01/28/20

Find the lengths of the missing sides of a triangle if side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. sin(B) = 1/√ 7 , a = 8
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01/28/20

Given f(x)=4x＾2+6x-4 if g(x-2)=f(x), then g(x)=?
Given f(x)=4x＾2+6x-4if g(x-2)=f(x), then g(x)=?
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01/28/20

Average velocity calculus questions
An object moves on a line so that its position in meters at time t seconds is s(t) = sin(t).a) Find the average velocity over the time interval [1, 1+h]b) Estimate the instantaneous velocity when t... more
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01/27/20

Chemistry help plzzz
How many moles of BaCl2 form when 1.50 mol of HCL reacts with excess barium hydroxide in a aqueous solution
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01/24/20

Can you explain the evidence for why mass is conserved during a chemical reaction using the balanced chemical equation below.
Na2SO3 + 2 HCL = 2NaCl + H2O + SO2
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01/24/20

The ratio of the length to the width to the height of a rectangular prism is 2:1:3 and the sum of the lengths of all its edges is 360 cm. Calculate the height of this rectangular prism.
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01/23/20

50.0 g of water are heated from 22.0° C to 63.0° C. How much heat is absorbed?
the partial answer is: 8XXX J
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01/23/20

Constant velocity

A rock is dropped from rest and free falls at 10m/s2. How fast will the rock be moving right before it hit the ground it falls 3.3m? How long does it take for the rock to fall 3.3m.
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