09/08/19

trig help questions

1)Given: tan(θ)=−√3 and cos(θ)<0. Which of the following can be the angle θ?4π/35pi/67pi/62pi/35pi/32)Let P(x,y) denote the point where the terminal side of an angle θ meets the unit circle. If... more

Perpendicular Distance

Find the perpendicular distance from the point P(5, 4, 1) to the y-axis.

write a polynomial function with the given zeros, multiplicities and degrees

1) degree of 3, zeros are -2 multiplicity 2 and -12) degree of 4, zeros are 0 multiplicity of 2 and 5 multiplicity 23) quartic polynomial, zeros are 3 and 2 multiplicity 3

09/08/19

How would I solve this

Original: f(x)=x^2-3x+2F(f-g)=(f-g)^2-3(f-g)+2

09/07/19

College math 130

Two angles are supplementary if their sum is 180 degrees. The larger angle is 24 degrees more than five times the measure of the smaller angle. Let x represent the measure of the smaller angle and... more

09/07/19

Equation of the line in slope-intercept form

What is the equation of the line, in slope-intercept form, that passes through the point (0,7) and is perpendicular to the line y= 3x−5? 

09/07/19

Determine whether or not the equation is independent

If P(A)= 3/5, P(B)= 1/3, and P(A∩B)= 1/5, are A and B independent?

Distance = Rate* Time

A person drove at a speed of 49 miles per hour on a back road during a recent trip. They can drive the same distance at 98 mph on the interstate in one hour less. What is the distance they drove on... more

09/06/19

2 8/9 as an improper fraction

As an improper fraction

A bag contains 10 balls: 9 are red and 1 is black. There are 10 players. What is the probability of picking the black one, given the balls are not replaced each time a player picks one?

(if you picked the black the game is over, you win)How would change the result if the balls are replaced it?
C++

09/06/19

How do I declare a 2d array in C++ using new?

How do i declare a 2d array using new? Like, for a "normal" array I would: int* ary = new int[Size] but int** ary = new int[sizeY][sizeX] a) doesn't work/compile and b) doesn't accomplish... more

A probability question with sequences

A sequence of numbers X1, X2,... are produced by taking a random number from the set {1,2,3...n}.The summation Sk is defined to be X1+X2+...+Xk.Which of the following is a correct expression for... more

09/06/19

6th grade question

A shop sells matching hats and scarves. The scarves cost 1.5 times as much as the hats. Write two patterns that could represent the costs of 1 2 3 4 and 5 hats and scarves. List the first five... more

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