06/01/20

Please I need help
Suppose that at a busy traffic junction, the probability p of an individual car having an accident is 0.0001.During a certain part of the day, 100 cars pass through the junction. What is the... more
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05/31/20

A fridge contains 8 oranges, 8 apples and 8 pears. You randomly select two fruits one after another. What is the probability of selecting two different kinds of fruit in a row?

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05/31/20

Expected Value Question

In a fast food store’s lucky number contest, 25% of the customers win $1, 10% win $10, 4% win $20 and 1% win $50. Find the expected winnings of a customer.
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05/31/20

Expected Value Question
A box contains 4 red and 6 green balls. Two balls are drawn. You receive $10 if both are red and you pay $1 otherwise. What are your expected earnings?
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05/30/20

Find the volume of the solid revolved around y=x^3, y=0, x=2 about the y-axis
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05/29/20

physics question
A man walks 2.6 miles east then turns and walks 6.7 miles north. Where is he inrelation to his starting point?Select one:a. 7.1 miles @ 30° north of east b. 14.4 miles @ 30° north of eastc. 7.1... more
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05/28/20

Sin equation for relationship
x1 y10 6015 3530 1045 3560 6075 3590 10105 35120 60What is the sin equation for this relationship?
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05/28/20

What is the recursive formula of the following explicit formula?:

Explicit formula: an = 23+ 8nrecursive formula:???
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05/28/20

Need math help. Dont use calculas. Skecth graph at the end please.
A small house was built on an island off a perfectly straight shoreline. The point B on the shoreline that is closest to the island is exactly 5 miles from the island. Eight miles east of B is the... more
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05/27/20

How would you solve y = −x + 1 and y = 2x + 4 graphically?
 On a graph, plot the line y = −x + 1, which has y-intercept = −1 and slope = 1, and y = 2x + 4, which has y-intercept = 2 and slope = 4, and write the coordinates of the point of intersection of... more
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05/27/20

this was part of my regents packet
Edith babysits for x hours a week after school at a job that pays $4 an hour. She hasaccepted a job that pays $8 an hour as a library assistant working y hours a week. Shewill work both jobs. She... more
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05/27/20

Conditional Probability of a Marble Drawing System
Suppose someone has a bag of 5 yellow, 10 red, 15 green, and 20 orange marbles. There are 4 rounds to the drawing, and each round consists of 2 steps. First, a marble is chosen at random from the... more
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05/26/20

Algebra 2 help !

A spinner has four equally sized sectors that are numbered 2, 2, 3, and 6. The spinner is spuntwice and the product of the outcomes is found.A fair decision is to be made about which one of four... more
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05/26/20

physics question
It takes a 70kg man, 5 minutes to walk up 10 flights of stairs. If each flight of stairs has a height of 15m, what is the mans average power for this task?
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05/25/20

Suppose $17,800 is invested in a monthly compounded account at 6.45%. Approximately how long will it take for the balance to reach $44,500

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05/25/20

What is the slope of the tangent at x=Pi/6 for f(x)=sin^2x-x=?
What is the slope of the tangent at x=Pi/6for f(x)=sin^2x-x=?
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05/16/20

Maths question probability
urn - A contains 5 red and 5 black balls ; urn-B contain 4 red balls and 8 black balls ; urn - C contains 3 red and 6 black balls. one urn is chosen at random and a ball is drown. the colourbof the... more
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05/15/20

Real World Problems
A food truck sells 60 hot dogs each day when it charges $4.00 per hot dog. For a $0.50 decrease in price, the food truck sells 10 more hot dogs.a. How much should the food truck charge to maximize... more
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05/15/20

By the Triangle Inequality Theorem, If two sides of a triangle have lengths of 3 and 7, what are all the possible lengths of the third side?
A) 3 < x < 8 B) 3 < x < 7 C) 4 < x < 10 D) 5 < x < 7
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05/15/20

The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2.
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are squares. What is the volume, in cubic units,... more
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05/14/20

Precalc question
The temperature in Gavin’s oven is a sinusoidal function of time. Gavin sets his oven so that it has a maximum temperature of 300F and a minimum temperature of 240F. Once the temperature... more
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05/14/20

please help and show pic

a stop sign is 10 feet long, and is casting a shadow downhill on a road that has an angle of elevation of 16°. if the angle of elevation of the sun is 48°, how long is the stop signs shadow ? 
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05/14/20

Please help need a pic

Fire tower A is N52˚W from tower B and the two towers are 80 miles apart. Rangers in both towers spot a fire. The fire is 117˚ from tower A and 340˚ from tower B. Which tower is closer to... more
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05/14/20

Find the ratio of the volume of a sphere to the volume of the smallest right cylinder that can contain it
wording is odd, not really sure what to do/where to start?
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05/14/20

Consider an airplane that has a speed of 105km/h, flying in a 90km/h crosswind blowing from West to East. Calculate its ground velocity when its nose is pointed North in the crosswind.
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