04/16/21

What is the chances of getting a perfect score of 36 on the ACT when there is a 25% chance of getting 155 of them right and 20% chance of getting the other 60 right
So this is basically me wondering what the probability of getting a 36 on the ACT with completing guessing each and every problem. Just a curious question. Math has 5 answer choices for each and... more
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04/15/21

If the volume ratio is 64:216 then the side ratio is
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04/15/21

Find the exact value of each expression, if it exists.
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04/15/21

How tall is the pole?
Two wires stretch from a pole to two points on the ground which are 100 feet apart. The first wire is to the left of the pole and forms a 30 degree angle with the ground. The second wire is to the... more
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04/15/21

Is this solution solved using a permunition a combination or the Fundamental Counting Principles
A multiple-choice test has 20 questions each with five possible answers how many different ways can the test be answered?
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04/15/21

Movie Theater Question
A movie theater has a seating capacity of 235. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults. There are half as many adults as there are children. If the total... more
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04/15/21

Store A’s profit is modeled by f(x) =2x, and Store B’s profit is modeled by g(x) = 83x. Over what interval is Store A’s profit greater than Store B’s?
help asp . . ....................................
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04/15/21

Math assingment
Find all solutions to the equation . Write your answer in radians in terms of 
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04/15/21

Find all angles, 0≤θ<360, that satisfy the equation below, to the nearest 10th of a degree. 2\cos^2\theta -10=-\cos\theta -9 2cos 2 θ−10=−cosθ−9
Find all angles, 0∘≤θ<360∘, that satisfy the equation below, to the nearest 10th of a degree.2cos2θ−10=−cosθ−9
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04/15/21

Calculus Problem
An airline company finds that if it prices a cross-country ticket at $400, they will sell 300 tickets per day. A market survey indicates that for each $10 price reduction, an additional 30 tickets... more
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04/14/21

Decay rate,k is 8.1% per year=-0.081. What is the half-life in years
Need some assistance, any help is greatly appreciated. Thanks!
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04/14/21

What is the 4th term in the sequence?
a(n)=-1/16(2)^n-1
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04/14/21

Calculus Problem

Find the point on the line -2x+y+4=0 which is the closest to the point (5,-5).
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04/14/21

Graphing Cosine Functions
I have been practicing graphing cosine functions on IXL pre-Calculus N.10cos(x-p/4)-1I am able to under the sinusoidal axis being -1, and also to find the amplitude easily as well.My trouble stems... more
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04/14/21

Math question Algebra

Melanie invests a total of $21,000 in two accounts. The first account earned a rate of return of 5% (after a year). However, the second account suffered a 2% loss in the same time period. At the... more
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04/14/21

A 55 foot tall telephone mast feet from an observer subtends an angle of 3.75°
Use the arc length formula to estimate r (the distance between the observer and the telephone mast) to the nearest foot.r ≈ ____ feet
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04/14/21

If a windshield wiper covers an area of approximately 180 square inches when it rotates at an angle of  7π/15 radians, find the length of the wiper to the nearest tenth of an inch.
The length of the wiper is approximately  ?   inches.
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04/14/21

Point D is in the interior of ∠ABC. What is m∠DBC? There is angle ABC which is divided into two angles, angle ABD having (3x + 22) degrees and angle DBC having (x - 4) degrees. m∠DBC = °
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04/14/21

In the figure, the points are collinear and AB < CD. Prove that AC < BD
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04/14/21

How do I find the surface area?
You purchased a scale model of the Eiffel Tower.The scale factor is 1 : 1180. The model is 10 incheshigh and has a surface area of 1.7 ft^2b. What is the surface area of the Eiffel Tower?
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04/14/21

Which of the following are solutions to the following equation where 0≤θ<2π cos(2θ)=−√3/2
Select all that apply: 5π/12 7π/12 11π/12 13π/12 17π/12 19π/12
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04/14/21

can someone graph the equation y=sin(x+π/3)−1 please? thank you!
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04/14/21

Name a function whose derivative is 3x²-2x+5. How many such functions are there?
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04/14/21

Considering only the values of θ for which sec^2θcos(2θ) is defined, sec^2θcos(2θ)= ?
which is the correct answer?2sin^2θ−tan^2θcsc^2θ−22−sec^2θ2cotθ
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04/14/21

You are given that cos(A)=−4/5, with A in Quadrant II, and sin(B)=−24/25, with B in Quadrant III. Find sin(A+B). Give your answer as a fraction.
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