02/26/19

How to calculate what percentage A is of B...without knowing what B is
So for my maths class we are doing some revision, i am having a bit of trouble understanding how to find principle; i just can't find an explanation of how 900 divided by 0.18 is 5,000 in short, i... more
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02/26/19

Determine whether the function shown is constant, linear, quadratic, or none of these. m(x) = –|x – 6| + 9

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02/26/19

math help algebra
Dave and Sandy Hartranft are frequent flyers with a particular airline. They often fly from City A to City​ B, a distance of 828 miles. On one particular​ trip, they fly into the​ wind, and the... more
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02/26/19

The product of two consecutive odd integers is 59 more than twice their sum. Set up an equation to represent this situation and then solve to find the solutions.
How can I set up a equation to represent this situation and then solve it to find the solution?
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02/25/19

Probability that one of each sex chosen.
A committee consists of 8 males and 12 females. If 5 people are chosen at random to be on a subcommittee, what is the probability that at least one person from each sex is chosen?
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02/25/19

AP calculus BC - differentiation
For all real numbers x, f is a differentiable function such that f(-x) = f(x). Let f(p) = 1 and f'(p) = 5 for some p>0. 1) Find f'(-p)2) Find f'(0)3) If l1 and l2 are lines tangent to the graph... more
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02/25/19

Recursive Rule Question, Book Answer is weird
Given Sequence:7,3,4,-1,5....Book Answer a1=7,a2=3 an=an-2-an-1Shouldn't the answer be an=an-1-an-2 ? Because 7-3 gives you 4, and if you do 3-7 it gives you -4 not 4.
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02/23/19

The Equation of a circle is shown below. What is the circumference of the circle??
x^2+y^2-6y+4x=36Answer Options: (a)48Pi (b)36Pi (c)14Pi (d)12Pi
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02/23/19

if two roots of a quadratic equation ax^2 bx c=0 differs 1 prove that b^2 - 4ac = a^2
please help fast asap rocky need answer fast help
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02/23/19

ratios and proportions using decimals
Real / Problem-solving 2p coins used to be made from a mix of copper, tin and zinc in the ratio 95 : 3.5 : 1.5. a A 2p coin had a mass of 7 g. What were the masses of copper, tin and zinc in the... more
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02/23/19

Measures of Angles
The measures of three angles of a triangle are given by  and .  What is the measure of the smallest angle?
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02/23/19

Kevin and Randy Muise have a jar containing 71 coins, all of which are either quarters or nickels. The total value of the coins in the jar is 7.75. How many of each type of coin do they have?
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02/23/19

probability and fractions
 display of 100 seed packets contains 40 watermelon seed packets.What is the probability that a randomly selected seed packet will contain watermelon seeds?Simplify your answer and write it as a... more
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02/23/19

Mathematical Literacy

Your favorite gas station is having a super sale and is selling regular unleaded gasoline for three hours at $2.239 per gallon. Approximate the number of gallons that you can purchase with $36. How... more
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02/22/19

How to solve this question
Twenty people are to be distributed among five committees and each committee has a chairperson. How many ways can the five committees be formed if the committees are of two, three, four, five, and... more
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02/22/19

James has noticed that the number of new tree branches that have grown on a tree in his backyard each year follows the sequence 1,3,5,7,… meaning there was
James has noticed that the number of new tree branches that have grown on a tree in his backyard each year follows the sequence 1,3,5,7,… meaning there was 1 new branch at 0 years, 3 new branches... more
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02/22/19

the legs of a right trianle measure 5 inches and 7 units. If θ is the angle between the 7-inch leg and the hypotenuse, sinθ=______.
This question is a trig question, I hope you help me. I dont understand this question and would appreciate the help.Thanks :)
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02/22/19

A sequence is defined recursively by the following rules:
A sequence is defined recursively by the following rules:f(1)=3f(n+1)=2⋅f(n)−1Which of the following statements is true about the sequence? Select all that apply.f(5)=33f(3)=10f(4)=18f(6)=66f(2)=5I... more
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02/22/19

32×40 using distributed property..please help
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02/22/19

The area of a square with side length of 2.16 cm is _____ cm2
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02/22/19

Probabilities involving two dice
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more
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02/22/19

what is the domain and range of xy= -5
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02/22/19

How to prove a solution exist between an interval.
For example f(x)= (5/x-1) +(7/x-2) has a solution between 1 and 2. I can see this graphically but do not know how to proof it mathematically
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02/22/19

Find the second derivative of y, by implicit differentiation. x^2+6y^2=6
I know that the first derivative is -x/6y, however when I enter y/x for the second derivative (y") it's incorrect. I need just a little bit of assistance in telling me what's wrong with my answer.
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02/22/19

How many oz of pure water must be mixed with how many oz of 60% alcohol solution to obtain 24oz of a 25% alcohol solution

How many oz of pure water must be mixed with how many oz of 60% alcohol solution to obtain 24oz of a 25% alcohol solution
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