05/13/19

What is the probability that a King is drawn from a deck of 52 cards, without replacement, and then a second King is drawn? 
*Remember to simplify your ratio—it MUST be in simplest form! the probability is _/_
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05/13/19

geometry help with probability
The illustration represents the positions of two planes on a radar screen at an airport control tower. The control tower is located at the origin. The radii of the circles are in miles. Due to a... more
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05/13/19

a quadratic function that contains (4,-64) and it’s vertex is at the irgun of (0,0)
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05/13/19

Mathematical modelling
A cup of coffee at Co90 is kept in a room at Co25 . Two minutes later, the temperature of the coffee is Co75 . When will the temperature of the coffee reach Co50 ?
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05/13/19

What is the speed of the car after the braking?

A driver moving at 25 m/s applies his brakes for 1.5 seconds causing a deceleration of 2.3 m/s2. (Hint: deceleration is just negative acceleration; the sign is important to your calculation.)
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05/10/19

Word Problem - Linear Function
I have just started doing linear functions in math class and while I understand them fairly well, I’m having trouble with how to extract the information I need to use in the question below. A... more
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05/10/19

What is the y- coordinate in this equation?
h(t) = −6 • (3 − 3.7)2 + 82.14How do I add 20 to the y-coordinate in this equation?
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05/09/19

Write the sentence as an equation. 269 subtracted from the product of 53 and a is 175
Write the sentence as an equation.269 subtracted from the product of 53 and a is 175
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05/08/19

A degree 4 polynomial P(x) with integer coefficient has zeros 2i and 4, with 4 being a zero of multiciplity 2. Moreover, the coefficient of x^4 is 1. Find the polynomial.

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05/08/19

A processing program requires a user to enter a 6-digit registration code made up of the digits 1, 2, 3, 4, 5, 6, 7, 8 and 9. No digit can be used more than once.
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05/07/19

Given that f(x) is a cubic function with zeros at -7 and -2i - 2, find an equation for f(x) given that f(0)=6.
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05/07/19

Please answer it as quick as possible🙏🙏
A number when successively divided by 6,5 & 3 leaves remainders of 4,4 and 2. Find the number.
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05/07/19

Vector Addition Word Problems 2
#1 Mr. McGarey sleep walks during the night and travels 45 km north of his house in his pajamas. He then turns and heads 17° north of east for 80 km. Mr. McGarey then turns directly east and walks... more
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05/06/19

What is the differentiation of r^k with respect to r?
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05/04/19

What is the slope of the line perpendicular to 3x+3y=333
What is the slope of the line perpendicular to 3x+3y=333?
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05/04/19

What are equal diagonals?
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05/04/19

GEOMETRY HELPPP
Olympus Mons's peak rises 25 km above the surface of the planet of Mars. The diameter of Mars is approximately 6794 km. What is the distance from the peak of Olympus Mons to the horizon to the... more
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05/03/19

if sin = -12/13 and x is in quadrant 3, what is tan2x?
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05/03/19

Quadratic functions
Order each group of quadratic functions from widest to narrowest graph. Y=3x^2, y=2x^2, y=4x^2
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05/03/19

What are the steps to work this? Any particular formula? Thanks!
Find the scale ratio for the map described below.1 cm ​(map) = 5 mm ​(actual)The scale ratio is 1 to ____.
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05/03/19

if tan x= negative 3/14 and pi/2< x<pi , find cos2x
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04/29/19

For the piecewise function: f(x) = ax^2 where d > x; f(x) = c * log(x) - 2 where d < x. What values do a and c have to take on such that f is differentiable at x = d > 0?
a, c, and d all belong to real numbers the answer should be in terms of d I have gotten to an answer but am completely unsure if I have done it correctly. I would like some insight as to how to... more
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04/26/19

Can the sides of a triangle have lengths 14, 12, and 3?
Can the sides of a triangle have lengths 14, 12, and 3?
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04/18/19

Help,Please! Extra math help

 shown below has diameter  which intersects  at point and the measurements shown. Calculate the following measures:
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04/18/19

How many sets should be made and sold to maximize the weekly profit?
A manufacturer sells each of his TV sets for 85 dollars. The cost C (in dollars) of manufacturing and selling x TV sets per week is C=1500+10x+0.005x^2. If at most 10,000 sets can be produced per... more
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