04/07/15

Help with algebraic word problem.
Janice wants to create a test containing 20 questions worth 50 points. If Janice creates questions worth either two points or four points, she can include (Answer here) two-point questions and... more
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04/07/15

Evaluate enter only the sum
S21for 23+20+17+14+.....
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04/07/15

Find the first terms of the sequence given the following recursive formula
a1 =8, a2=-3, and an=2an-1+an-2 for n≥3 enter the terms separated by commas
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04/06/15

decay - check exponential model is correct
half life of m-50 is 8 hrs, and you have 50 grams.  "A" is number of hrs after recording and f(A) is the amt left. describe this with an exponential model.     I have:  50 * 1/2 ^a/8 is this... more
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04/06/15

Sohcahtoa mountain triangle trigonometry---PLEASE HELP!!!
Sohcahtoa Mountain has an altitude of 800m. It is one of several that form the Scalenes Mountain Range. The mountain to the east of Sohcahtoa Mountain has a higher altitude. George Geometer was... more
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04/06/15

Pythag theorem
is a triangle with side lengths of 7 cm,24cm and 25cm a right triangle?
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04/06/15

Inequualitie Questio
Kalon has $175 and needs to save at least $700 for a new computer. If he can save $35 per week, what is the minimum number of weeks Kalon will need to save to reach his goal?
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04/06/15

Identify the conic that this polar equation represents. Also, give the position of the directix.
Identify the conic that this polar equation represents. Also, give the position of the directix.r=1/(1+costheta) The equation defines a circle.The equation defines an ellipse. The equation defines... more
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04/06/15

A manufacturer knows that their items have a normally distributed length, with a mean of 15.2 inches, and standard deviation of 1.6 inches. If one item is chos
A manufacturer knows that their items have a normally distributed length, with a mean of 15.2 inches, and standard deviation of 1.6 inches.If one item is chosen at random, what is the probability... more
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04/05/15

Percents per Year
I need to know how to solve this problem i can get 1 year and two years easy. I just need help with a formula to find this thanks Your uncle has an investment scheme. He guarantees that if you... more
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04/05/15

Please help, I am unable to help my son with this problem and its due for school tomorrow. Thanks.
Marsha constructed a large cube from 64 smaller cubes. Marsha then painted the outside of the large cube green. Later, when she took apart the large cube, Marsha noticed that some of the small... more
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04/05/15

Find all of f(x)=x^4+x^3-14x^2+6x-120 complex zeros
I have to show my work. Write zeros using set notation 
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04/05/15

Question in description
The chairs in a hall are to be arranged in rows. If I put 6 chairs in a row, there will be 4 chairs left. If I put 7 chairs in a row, there will be 3 chairs short. How many chairs are there in the... more
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04/05/15

how much money would you have if you added a penny everyday for a year
Just adding a penny per day not doubling
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04/05/15

Finding ratio from diagnol to side in a regular pentagon
Given a regular pentagon, find the ratio of the diagonal d, to its side a.
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04/05/15

the area of largest square is (f+g)(f+g).Write the area of the largest square as the sum of the areas of the smaller squares and rectangles.
there is one big square with 4 smaller squares inside like columns and rows. the first column is f and the second is g. the first row is f and the second row is g as shown below        f        ... more
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04/04/15

Signed number
Chantal walked up 7 flights of stairs from the ground floor. Then, she walked back down to the ground floor. Use signed numbers to write a numerical equation that expresses this mathematically
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04/04/15

How do I solve this for Algebra 2 on the topic of Arithmic Sequences?
"Suppose a trolley stops at a certain intersection every 14 min. The first trolley of the day gets to the stop at 6:43 am. how long do you have to wait for a trolley if you get to the stop at 8:15... more
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04/03/15

What system of equations can be used to determine whether the paths of the boats will cross?!?!?!
A map of a harbor is laid out on a coordinate grid, with the origin marking a buoy at the center of the harbor. A fishing boat is following a path that can be represented on the map by the equation... more
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04/03/15

Additive inverse
Mr. Lopez tells his class that they will need to use the additive inverse of a number to find the value of  in the equation below:   X+23= -5   Show how to find X using an additive inverse
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04/03/15

Solve the logarithmic equation:
Solve the logarithmic equation:   log2(x - 1) - log2(x - 3) = log2(2x + 1) - log2(x + 3)
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04/03/15

how to do this problem
 doctor order 1 gallon of liquid paeparation to given over a 3hour period how many 8 oz glasses does the patien need to drink in the 3 hours 
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04/02/15

find the equation of the image of the ellipse x^2/4 + y^2/9 when rotated through pi/4 about origin
find the equation of the image of the ellipse x^2/4 + y^2/9 when rotated through pi/4 about origin
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04/02/15

Find the number of bacteria present after 6 hours.
A certain type of bacteria grows according to the function P(t)=1,000e0.1912t,where P is the number of bacteria present after t hours.Find the number of bacteria present after 6 hours.
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04/01/15

how to solve radicals attached
http://assets.openstudy.com/updates/attachments/551c4ef6e4b0a3143c5da1eb-nickymail48-1427918718779-j.png
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