06/07/16

Probability.
You are going to draw two candy bars from a large bag containing 26 Snickers bars and 5 Twix bars. What is the probability that the first draw is a Snickers and the second draw from the bag is a... more
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06/07/16

Jeff wins $600,000 (after taxes) in the lottery and decides to invest half of it in a 10-year CD that pays 7.25% interest compound
Jeff wins $600,000 (after taxes) in the lottery and decides to invest half of it in a 10-year CD that pays 7.25% interest compounded monthly. He invests the other half in a money market fund that... more
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06/07/16

Which caused the decline of Ancient Egypt’s Old Kingdom?
Which caused the decline of Ancient Egypt’s Old Kingdom?
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06/07/16

Rate of change
Given an exponential function for compounding interest, A(x)=P(.82)^x, what is the rate of change?
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06/06/16

Story problems.
Please show the work as I need to know how to get the answer.   The school that Emily goes to is selling tickets to a spring Musical. On the first day of ticket sales the school sold one adult... more
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06/06/16

HELPPPPPP!
Edwin Hubble calculated the expansion rate of the universe. On what evidence did he base his calculation?A. Levels of background radiationB. Differences in redshift for galaxiesC. The existence of... more
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06/06/16

Determine the coordinates of P for each of the following points.
Point P(θ) is at the intersection of the unit circle and the terminal arm of angle θ   1.5π/6 2. P(5π/3) 3.P(-5Π/4)
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06/06/16

following points all lie on the unit circle. Determine each unknown value
-7/9 ,y ,quad 3 (1, y) x,3/4,quadrant 2
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06/06/16

A country music fan plans to make a CD of 11 of 26 of her favorite songs. How many different combinations of 11 songs are possible? and is this practical?
Statistics
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06/06/16

please help me solve these 2 problems. I have no idea how to tackle them. Thank you.
Using the facts that sine (-beta)= sine beta and cosine(-beta)=cosines beta to prove that sine alpha cosine alpha is less than 1/2   prove that sine alpha+ cosine alpha <= radical 2
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06/05/16

Solve the equation. Check your answer.
√c = 20
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06/05/16

Lowest Pitch...?
A baritone guitar has a longer neck than a normal guitar. A mandolin has a much shorter neck than a normal guitar. When notes are played on all of the instrument’s top (thickest) string, which... more
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06/05/16

How much are Cheryl's iguanas costing her in electricity each year?
My friend Cheryl keeps pet Iguanas. She leaves 2.0 heat lamps on for them year round, each of which uses 402.0 watts. Her electricity costs 13.0cents a kilowatt-hour at all times. Calculate how... more
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06/05/16

find x from equation: 10x^3-30x^2+1=0
Find x from: 10x^3-30x^2+1=0
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06/05/16

when do you know you cannot factor a quadratic relation, and know when exactly to use quadratic formula??
I know how to factor and how to use the quadratic formula... but however I can't seem to grasp, when to use quadratic formula. I mean when a relation cannot be factored, but how do you determine it... more
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06/05/16

Algebra formula and example
x/8+x/5=9/5
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06/05/16

Calculate the sum
Calculate the sum: 3+ 7+ 11+ ......+ 399
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06/05/16

solve this equation. Give exact value.
3X+5 = 1/9
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06/05/16

Solve this equation. Give exact value.
log5(x+1) + log5(x-4)=log514
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06/05/16

Solve this equation. Give exact value.
ln(4x-2) = 6
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06/05/16

A thief is noticed by a policeman from a distance of 200 m the thief starts run
A thief is noticed by a policeman from a distance of 200 m the thief starts running and the policeman chases him the thief and the policemen run at the rate of 10kmph and 11 kmph respectively what... more
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06/04/16

How can I proof that sin alpha +cos alpha < radican2
How can I use the fact that sine(-b)=-sin b and cos(-b)= cos b yo probé that sin a cos a < radical 2
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06/04/16

f(x) is a quadratic funtion in standard form where a=1, b=7, and c=-11. What is f(-4)?
I'm quite confused on this one. I know the formula for a quadratic function is ax^2+bx+c, right? This is a disaster! I have finals next week and I'm not understanding any of these review questions...
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06/04/16

what is the pattern in 6 12 18 20
 I need to find out to answer my question
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06/03/16

suppose that $2000 is loaned at a rate of 8%, compounded semiannually. assuming that no payments are made, find the amount owed after 4 years.
do not round any intermediate computations, and round your answer to the nearest cent.
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