02/09/20

A cannon ball is launched 25 m/s 53 degrees above the horizontal to the right. Find the maximum height it can reach, horizontal distance it covers and total time of flight.
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02/09/20

Calculate the molecular weights for NH 3 and SF 6 .
How many grams of NH3 are needed to provide the same number of molecules as in 0.75 g 
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02/08/20

A student runs 222 m at a speed of 7 m/s and then turns around and jogs at 8 m/s for 2 seconds. How far from the starting position does the student end up?
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04/20/14

A toy rocket is launched from the top of a building, 97 feet tall at an initial velocity of 201 feet per second.
A toy rocket is launched from the top of a building, 97 feet tall at an initial velocity of 201 feet per second. A) give the function that describes the height of the rocket in terms of time t.B)... more
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04/20/14

help solving the system of equations
solve the system of equations    3x + 4y + z = 7          2y + z = 3 -5x + 3y + 8z = -31   I have 2y + z = 3       =  2y - 2y + z = 3 - 2y       =  z = 3 - 2y       =  z = (-2y) +... more
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04/20/14

conic questions
1)  is xy = 3  a rectangular hyperbola?   2.  is x^2 + 4X = y - 4  a parobola?    
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04/20/14

ratio problem
The ratio of the number of adults to the number of students at the school dance has to be 1:10. Last year there were 477 more students than adults at the dance. If the school is expecting the same... more
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04/20/14

grade 6 students received the following scores on a recent math test. find the median of data set: 97,59,64,65,52,50,15,62,55,60,90?
median of data set: 97,59,64,65,52,50,15,62,55,60,90?
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04/20/14

The lateral area of a cone shaped lamp shade with a base radius of 3 inches is 219.9 in squared. What is the slant height?
This is a math question that i need help on because it is very hard. Also i do not understand what to do.
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04/20/14

sin 11 pie/12 + sin 7pie/12
use the sum to product formula to find the exact value of 
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04/20/14

cos 165 degrees - cos 75 degrees
use the sum to product formula to find the exact value of 
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04/20/14

three students A,Band c are in a swiming race ,AandB have the same probability of winning and each is twice as likely to win as C
a- what is the probability that A does not win ? b- what is the probability that Bor C wins ?
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05/08/13

equation of a locus
Find the equation of a locus of moving point such that the slope of line joining the point to A(1,3) is three times that of the slope of the line joining the point to B(3,1)      
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05/08/13

Limit questions
Evaluate the limit.. Lim x-->0    1-cos 5x / 1-cos 7x  
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05/08/13

Factor completely.
16x^2 - 24xy + 9y^2 Select the correct choice below. (a) 16x^2 - 24xy+ 9y^2=? (b) The polynomial is prime.
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05/08/13

Factor the following binomial.
100x^2 - 1 Select the correct choice below. (a) 100x^2 - 1=? (b) The polynomial is prime.
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05/08/13

Consider the following special types of polynomials.
difference of squares, perfect square, sum or difference of cubes in order to answer the question for each case Which of the special types of polynomial models would you use to easily factor the... more
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03/23/13

find profit
john owns a hot dog stand.  his profit in dollars is given by the equation P(x)=P=-x^2+14x+54, where x is the number of hot dogs sold. what is the most he can earn?
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03/23/13

for f(x)=-|x+2|, find f(-8)
find the function value
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02/26/13

Given: m is perpendicular to L and n to L,prove: m is parallel to n
 write a two column proof of theorem 3.12 given m is perpendicular to L and N to L.  Prove: M is parallel to N  
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02/26/13

Similar to rational expressions, there are values that will cause a radical expression to be undefined
Similar to rational expressions, there are values that will cause a radicalexpression to be undefined. Discuss the concept of an undefined radicalexpression (when will this occur and how do you... more
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02/25/13

My height is 147cm and my new height size is 30.5cm. I need to know how to set this up as a proportion and solve it.
Thanks for the help!
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02/25/13

simplify 4/(2x+1) - 2/(5x-1) as a fraction?
It's an algebra question...
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02/24/13

2.4 mil libs price sold 5.50 per lb amd 4.8 mil libs 4.50 ld. what linear function 1(p) expresses the amount
of almonds sold as a function of the price per pound
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01/23/13

7/12X-1/4X
when fritz drives to work his trip is 35 minutes, but when he takes the train it takes 15 minutes. find the distance fritz travels to work if the train travels 80 miles per hour faster than his... more
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