GoldRush18
 Name:
 Rushaye
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 Fun,loves to laugh,humble <3
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Questions Answered

GoldRush18:
A population consists of 500 items. A sample of size 49 is selected, and the mean is 40 and the standard deviation 9. develop a 99 percent c…
 updated 21 days ago
 25 replies
 2 Medals
Mathematics

GoldRush18:
On Tuesday, September 10, John delivered a written offer to sell a house to Mary. The
offer stated that “This offer is to be left over unti…
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

GoldRush18:
Find the following integrals:
 updated one year ago
 15 replies
 1 Medal
Mathematics

GoldRush18:
a.find the gradient of the curve f(x)=x^24x+3 at x=3
b. find the first derivative of the function
…
 updated one year ago
 7 replies
 3 Medals
Mathematics

GoldRush18:
Suppose that in a given month 98 million people are working and another 5 million are seeking work.
a. what would be the official unemploym…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

GoldRush18:
Joe borrowed $300 from his friend Mike to buy a $300 bike. Joe agreed to pay Mike 5% interest rate to compensate him for not having use of h…
 updated one year ago
 2 replies
 1 Medal
Mathematics

GoldRush18:
Simplify the following:
 updated one year ago
 5 replies
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Mathematics

GoldRush18:
Compute the following below:
 updated one year ago
 11 replies
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Mathematics

GoldRush18:
Evaluate: The question below
 updated one year ago
 4 replies
 1 Medal
Mathematics

GoldRush18:
evaluate:
7^log 9 base 7
 updated one year ago
 7 replies
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Mathematics

GoldRush18:
Solve for x:
…
 updated one year ago
 3 replies
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Mathematics

GoldRush18:
A. Media entities in particular have benefited handsomely from the intense competition between Digicel and Claro as billions of dollars have…
 updated one year ago
 1 reply
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Mathematics

GoldRush18:
Sandra uses two mobile cell phones( a digicel and a lime phone), to make her monthly calls. Sandra budget only $7000 on telephone calls per …
 updated one year ago
 43 replies
 2 Medals
Mathematics

GoldRush18:
shauna spends all her income on two(2) products, soda and banana chips. The marginal utility for the last unit of soda is 50 utils and that …
 updated one year ago
 2 replies
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Mathematics

GoldRush18:
Suppose Sandra has $16.00 to spend only on ripe bananas and plums. Ripe bananas cost $0.80 each and plums cost $0.20 each.
a. write down the…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

GoldRush18:
Suppose Sandra has $16.00 to spend only on ripe bananas and plums. Ripe bananas cost $0.80 each and plums cost $0.20 each.
a. write down the…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

GoldRush18:
Suppose Sandra has $16.00 to spend only on ripe bananas and plums. Ripe bananas cost $0.80 each and plums cost $0.20 each.
a. write down the…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

GoldRush18:
Suppose Sandra has $16.00 to spend only on ripe bananas and plums. Ripe bananas cost $0.80 each and plums cost $0.20 each.
a. write down the…
 updated one year ago
 8 replies
 2 Medals
Mathematics

GoldRush18:
given the series 54+18+6+...determine the:
i. general term
ii. sum to infinity
 updated one year ago
 8 replies
 1 Medal
Mathematics

GoldRush18:
Find the value of x.
 updated one year ago
 14 replies
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Mathematics

GoldRush18:
the circle C1 has (3,4) and (1,2) as endpoints of a diameter.
i. Show that the equation of C1 is x^2+y^2+2x6y+5=0.
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

GoldRush18:
Prove that
tan(x/2+ pie/4)=sec x+tan x
 updated one year ago
 2 replies
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Mathematics

GoldRush18:
The points P and Q have position vectors relative to the origin O given respectively by p=i+6j and q=3i+8j.
i. a) Calculate in degrees t…
 updated one year ago
 12 replies
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Mathematics

GoldRush18:
The circle C has equation (x3)^2+(y4)^2=25.
i. State the radius and the coordinates of the centre of C.
…
 updated one year ago
 28 replies
 1 Medal
Mathematics

GoldRush18:
Solve the equation below:
 updated one year ago
 15 replies
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Mathematics

GoldRush18:
let x and y be positive real numbers such that x does not equal to y.
i. simplify x^4y^4/ xy
ii. hence, or otherwise, show that
…
 updated one year ago
 48 replies
 3 Medals
Mathematics

GoldRush18:
without the use of tables or a calculator, simplify
 updated one year ago
 10 replies
 1 Medal
Mathematics

GoldRush18:
The function f on R is defined by
F(X)={x3 if x<=3
{x/4 if x>3
…
 updated one year ago
 8 replies
 2 Medals
Mathematics

GoldRush18:
Find the limit of:
 updated one year ago
 23 replies
 3 Medals
Mathematics

GoldRush18:
Determine the values of the real number h for which the roots of the quadratic equation 4x^22hx+(8h)=0 are real.
 updated one year ago
 22 replies
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Mathematics
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