All Questions

0

856

1

Precalc question

Suppose the "parent" fuction is f(x)=cos(x) and the "child" function has an amplitude of 8, a period of 2pi/3, and a phase shift (horizontal translation of pi/3 units to the right. Give the equation for the "child" function. Use the standard form for translations read more ..

CPhill ●

Guest Apr 26, 2015

0

2072

2

what are the points of discontinuity? are they all removable? y= (x-5) / x^2 - 6x + 5

CPhill ●●

Guest Apr 26, 2015

0

2039

2

Reference Angles

a) sec(3pi/4) reference angle: pi/4 and Value is -2/sqroot2
but how?

b)cot(-2pi/3) reference angle: pi/3 and Value is 1/ sqroot 3 read more ..

Melody ●●

Guest Apr 26, 2015

0

821

1

Precalc

Given csc(x)=4. find sec(pi/2-x)

answer is 4 but how?

CPhill ●

Guest Apr 26, 2015

0

1111

3

An observer on a cliff top 57 m high observes a ship at sea. The angle of depression to the ship is 15°. The ship sails towards the cliff, a

An observer on a cliff top 57 m high observes a ship at sea. The angle of depression to the ship is 15°. The ship sails towards the cliff, and the angle of depression is then 25°. How far, to the nearest metre, did the ship sail between sightings? read more ..

CPhill ●●●

Guest Apr 26, 2015

0

2669

1

Simplify the trigonometric expression 1 / 1 + sin Θ + 1 / 1 - sin Θ

CPhill ●

Guest Apr 26, 2015

0

762

1

Pre-calc question

A right triangle has an acute angle x such that cot(x)=5. find csc(x).
I know the answer is sqroot of 26. Though I dont understand how

CPhill ●

Guest Apr 26, 2015

0

2249

2

Consider the polynomial $$ f(t) = t^3 + 6t^2 + 12t + 8. $$ What are the coefficients of $f(t-1)$? Enter your answer as an ordered list of fo

Consider the polynomial $$ f(t) = t^3 + 6t^2 + 12t + 8. $$ What are the coefficients of $f(t-1)$? Enter your answer as an ordered list of four numbers. For example, if your answer were $f(t-1) = t^3 + 3t^2 - 2t + 7$, you'd enter (1,3,-2,7). (This is not read more ..

CPhill ●●

Guest Apr 26, 2015

0

2866

4

How many entries of Pascal's triangle are equal to 91?

CPhill ●●●●

Guest Apr 25, 2015

0

1314

5

what is 7-x+4x-3-9x

what is 7-x+4x-3-9x?

HeatherF ●●●●●

Guest Apr 25, 2015

0

3685

2

what values for Θ (0 < Θ < 2 pi) satisfy the equation? cos Θ- tan Θ = 0

Alan ●●

Guest Apr 25, 2015

0

850

1

7x+5z=4+8y how do u solve for y

CPhill ●

Guest Apr 25, 2015

0

1754

1

simplify the trigonometric expression cot 0 tan 0

simplify the trigonometric expression cot ø tan ø

CPhill ●

Guest Apr 25, 2015

+5

1525

12

Good luck with this one!

A woman has two rugs of the same material, one 10 feet by 10 feet and one a long runner 8 feet by 1 foot. How can she make a single continuous cut in the 10 foot by 10 foot rug, so as to form two pieces which, when combined with the 8 foot by 1 foot rug read more ..

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Guest Apr 25, 2015

0

1092

3

-3 multiplied by -3 is 9 but when i do -3 squared it comes up as -9?

Alan ●●●

Guest Apr 25, 2015

0

964

3

What Minutes?

How much Minutes are used to get 300 by 9?

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Guest Apr 25, 2015

0

1026

1

80 times 5 over 8

TitaniumRome ●

Guest Apr 25, 2015

0

1730

9

What happens when you divide by zero?

Alan ●●●●●●●●●

Guest Apr 25, 2015

0

1087

4

what is the inverse of a 3x3 matrix?

TitaniumRome ●●●●

Guest Apr 25, 2015

+6

1725

6

Brothers and sisters I have none, but this man's father is my father's son. Who is "this man?"

TitaniumRome ●●●●●●

Guest Apr 25, 2015

0

1735

1

Write a function to model the area of a round plate. Evaluate the function for a plate of radius 5.5 in.

The area of a round plate is a function of the radius of the circle. Write a function to model the area of a round plate. Evaluate the function for a plate of radius 5.5 in.

Alan ●

Guest Apr 25, 2015

0

1266

1

(a+b+c)²=a²+b²+c² Proved that 1/a+1/b+1/c=0

(a+b+c)²=a²+b²+c²
Proved that 1/a+1/b+1/c=0

Alan ●

Guest Apr 25, 2015

0

2593

1

+1836

A certain coin is weighted such that the chance of flipping heads is $\frac{1}{3}$ and the chance of flipping tails is $\frac{2}{3}$. Suppos

A certain coin is weighted such that the chance of flipping heads is $\frac{1}{3}$ and the chance of flipping tails is $\frac{2}{3}$. Suppose that we win $\$3$ if we flip a heads on a coin toss, but lose $\$2$ if we flip tails. What is the expected value, read more ..

Alan ●

Mellie Apr 25, 2015

All Questions ⁺⁰237170 Questions

Precalc question

what are the points of discontinuity? are they all removable? y= (x-5) / x^2 - 6x + 5

Reference Angles

Precalc

An observer on a cliff top 57 m high observes a ship at sea. The angle of depression to the ship is 15°. The ship sails towards the cliff, a

Simplify the trigonometric expression 1 / 1 + sin Θ + 1 / 1 - sin Θ

Pre-calc question

Consider the polynomial $$ f(t) = t^3 + 6t^2 + 12t + 8. $$ What are the coefficients of $f(t-1)$? Enter your answer as an ordered list of fo

How many entries of Pascal's triangle are equal to 91?

what is 7-x+4x-3-9x

what values for Θ (0 < Θ < 2 pi) satisfy the equation? cos Θ- tan Θ = 0

7x+5z=4+8y how do u solve for y

simplify the trigonometric expression cot 0 tan 0

Good luck with this one!

-3 multiplied by -3 is 9 but when i do -3 squared it comes up as -9?

What Minutes?

80 times 5 over 8

What happens when you divide by zero?

what is the inverse of a 3x3 matrix?

Brothers and sisters I have none, but this man's father is my father's son. Who is "this man?"

Write a function to model the area of a round plate. Evaluate the function for a plate of radius 5.5 in.

(a+b+c)²=a²+b²+c² Proved that 1/a+1/b+1/c=0

A certain coin is weighted such that the chance of flipping heads is $\frac{1}{3}$ and the chance of flipping tails is $\frac{2}{3}$. Suppos

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