Marlene S.

07/27/16

coin question

Kevin and Randy Muise have a jar containing 61?coins, all of which are either quarters or nickels. The total value of the coins in the jar is ?$ 9.05. How many of each type of coin do they? have?

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Algebra Word Problem Quadratic Formula

07/27/16

A rectangular shipping crate is in the form of a cube. The width is decreased by 2 m while thelength is increased by 2m and the height is increased by 3 m. The new crate has a volume of168 m^3.... more

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Precalculus

07/27/16

sequences and series help? URGENT!!!

Find the sum of 1 + 3/2 + 9/4 + …, if it exists. a) 4.75 b) -2 c) 5 d) no sum

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Compound Interest

07/27/16

principl money= 500000 rate= 8.6 year= 5 than what is compound intrest and intrest will calculte qutarly

hey...mooldhan= 500000 rate 8.6 year = 5 than calculate compound interest... and intrest will calculate qutarly

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Concentration Percentage Increase

07/26/16

how much 72% percent chocolate powder and how much 100% cocoa powder, do I have to mix to get 60 kilograms of 79% cocoa powder?

Is there a formula I can use for this?

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Math

07/23/16

Differentiate the following functions y = x^3+?6x?^(-4)-?4x?^(1/2)+ 10 y = (?6x?^3+?4x?^2+3)(?2x?^2-?4x?^(-2)+5)

Differentiate the following functionsy = x^3+?6x?^(-4)-?4x?^(1/2)+ 10 y = (?6x?^3+?4x?^2+3)(?2x?^2-?4x?^(-2)+5)

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Shapes Perimeter Area

07/22/16

The quality of shapes

Look at each statement, and decide whether or not it is always true.1)The diagonals of a rectangle are the same length2) The diagonals of a kite are the same length3)The diagonals of a kite meet at... more

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Area

07/21/16

area of a room

The third bedroom is an 8 ½ ft by 13 ft rectangle. On each 13 foot wall there is a window that is 3 feet 8 inches wide. The door is on an 8 ½ ft wall and measures 3 feet wide. You will be putting... more

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Statistics

07/16/16

In the past, the value of houses a local realtor has sold is normally distributed with a mean of $244,000 with a standard deviation

In the past, the value of houses a local realtor has sold is normally distributed with a mean of $244,000 with a standard deviation of $63,000. How much does a house have to sell for so that the... more

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Discrete Mathematics

07/14/16

please help me with the solution

b) Each student in liberal arts at some college has a mathematics requirement A and a science requirement B. a poll of 140 students shows that; 60 completed A, 45 completed B, 20 completed both A... more

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Math!!!

07/13/16

What is the slope of the line that has the equation 4x + 2y = 12?

my class was given this as a study for a final please help me understand how to do this as well as show me from what your stared with to your conclusion

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Math Help

07/09/16

Help please. Simplify (2x-3)^2= 2t^2 +5t -26?

Please answer my equation. Its a homework.

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Answers •1

Statistics Please Help

07/09/16

Normal Percentile

the average beginning annual salary for a teacher in California is 41,181. assume that this is a normal distribution with a standard deviation of $725. One quarter of starting teachers in... more

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Statistics Question

07/08/16

normal distribtuion

he amount of money that a student at harvard university carries on his/her person is normally distributed with a mean of $25 and a standard deviation of $5. What is the probability that a randomly... more

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Statistics, Median, Mode

07/03/16

Mode & Median of grouped data

The following are daily wages in shs of 30 workers of a flower farm. 140, 108, 142, 139, 129, 116, 126, 144, 123, 114, 148, 104, 100, 134, 95, 88, 63, 80, 62, 69, 85, 77, 148, 106, 99, 132, 123,... more

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Word Problem Problem Solving

07/03/16

Find the value of 1000 Japanese Yen in Canadian dollars on May 13th, 2006. Round your answer to two decimal places.

On May 13, 2006, each Euro was worth 1.43921 Canadian dollars and each Japanese Yen was worth 0.00703195 Euros. Find the value of 1000 Japanese Yen in Canadian dollars on May 13th, 2006. Round your... more

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Biology

07/02/16