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# Probability and Statistics

Five different coins are in a bag. Three are drawn. I've 2 of the different coins. What are the chances my coins match the 3 drawn? Explain.

# simplify this problem

Simplify sin (180°-x)

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a........................................................................................................................

# A tepee with a dirt floor in the shape of a right cone has a slant height of

A tepee with a dirt floor in the shape of a right cone has a slant height of 26 feet and a radius of 12.5 feet. Approximately how much canvas would be needed to cover the tepee?

# calculus question......

the position function s of a point is given by two dimensional quantities  where t in seconds and the y direction is affected by gravity (10m/s/s). y(t)=4t*sin(θ) - 5t2       &       x(t)=4t*cos(θ) 1-...

i need help asap

# Write and simplify an expression to show how many quarters they have in all.

Charlie  has x quarters. Ty has 3 more quarters than Charlie has. Vinnie has 2 times as many quarters as Ty has.

# How do you make a graph out of an equation? (x,y)

for example: x+2y=6 How would you make those into coordinates on a graph?

# 10b^-3-16b^25b-40

cant seem to figure it out .

# 12-1x0+4/2=

The answer I get is 10, i have asked others and they get 14, but I'm using PEMDAS, and it's kind of a debatable issue here LOL

# a squares perimeter measures 64 in. if a similar square's dimensions are 1/2 as large, what is the measure of each side

how do you calculate and explain.

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# what is the least common multple of each set of these no. 5and6

need help on least common multple of each set numbers   the numbers are 5 and 6

# I need help on 2 things based on this word problem.

The student council is planning a party at the skating rink. There is a \$100 fee to reserve the rink for the party. It will also cost \$5 per person, which includes the rental skates and snacks. a...

# im trying to set up an equation properly.

I am trying to solve for miles traveled. I am unsure I have written the equation(?) (expression) correctly. if a taxi costs \$5 plus .070 per mile and tolls cost an additional 3.50 how far can...

# What was Sergio's failing exam score?

Sergio took four exams. He received good scores on three exams, but failed one. The teacher allows her student's to drop their lowest score. When Sergio does this, his average increases from 70 to...

# Find the volume of a sphere with a radius of 7cm to the nearest whole unit

I am not getting the correct answer no matter how many times I try the problem I feel like it is a simple problem and I don't know why I am not getting the right answer.  Thank you so much!

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