10/10/17
Find an identity for cos(4t) in terms of cos(t)cos(t).
Any identity please? I'm not sure which one fits this problem.
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10/10/17
translation of quadratic equation.
If the graph of a quadratic function y=3x2+2x+1 is translated two units horizontally and -3 units vertically, then we have the graph y=ax2+bx+c. Find the value of a+b+c.
10/10/17
What is the remainder when 3x2 + 6x - 4 is divided by x + 2
3x to the 2 power plus 6x minus 4 is divided by x plus 2
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10/10/17
The first three terms of an arithmetic sequence are 36, 40, 44, ...
7a. The first three terms of an arithmetic sequence are 36, 40, 44, ...
(i) Write down the value of d.
(ii) Find u8 .
7b.
(i) Show that Sn = 2n2 + 34n.
(ii) Hence, write down the value of...
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10/09/17
Pre-calc please help
A college decides to build a soccer field and a basketball complex side by side with a fence surrounding thefields and a shared fence between the two fields. The college has purchased 2300ft of...
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Determine whether rolle's theorem can be applied on a closed interval [a,b]
Determine whether rolle's theorem can be applied on a closed interval [a,b]f(x)=cos x *[-π/2,π/2]
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10/09/17
In 1 month, the median home price in the west fell from $203,400 to $192,300 Find the percent decrease.
Round to the nearest tenth of a percent.
Just need to know how to break it down and do this step by step
10/09/17
For P(x) = 3x^4 + 5x^3 - 5x^2 - 5x +2 and c=1, c= - 2 part A.) Use the theorem to show that x-c is a factor of P(x). Part B.) factor completely using part A
For P(x) = 3x^4 + 5x^3 - 5x^2 - 5x +2 and c=1, c= - 2
Part A.) Use the theorem to show that x-c is a factor of P(x).
Part B.) using answer from part A factor P(x) completley
Please show work...
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10/09/17
work and time
Two motor mechanics, Ron and Sam, working together can overhaul a scooter in 6 hours. Ron alone can do the job in 15 hours. In how many hours, can Sam alone do it?
PLEASE SHOW ME THE STEPS!!
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10/09/17
Identify the fractions in lowest terms that are between -2 and -3.
The fractions must have 6 as the denominator.
10/09/17
y varies inversely with x. If y = 40 when x = 16, find x when y = -5
none at this time I don't remember how to solve these types of equations
10/08/17
find the equation of the line.
Let f(x)=x^2 and g(x)=(x-74)^2+27. There is one line with positive slope that is tangent to both of the parabolas y=f(x) and y=g(x) simultaneously.
10/08/17
use linear approx. to estimate the given number
use linear approx. to estimate the given number
3√1001 (cubed root)
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10/08/17
(Sequence), Sn = 5, S2n = 650, S3n = ?
A questions using geometric sequence.
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10/07/17
Finding the vertex of a parabola when knowing 2 points and the x of the vertex
The parabola with the equation y=a(x-2)^2 +q. Passes through (-2,5) and (4,-1) how do i solve for q? Thanks
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10/07/17
Please help with this trig question!
Solve: cos(2θ)=-1/2 on the interval 0≤θ<2π
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10/07/17
what is the probability of a club card or face card out of 52 cards?
A deck of playing cards and the probability of a club card or face card coming up in a deck of 52 cards.
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10/07/17
inequality problem
LEt M and m be the largest and smallest integers satisfying the following inequalities4x-1<2x+3(x-3)/2 + 4/3 ≤ (2x+4)/3 Find M-m
10/07/17
convert gallons to quarts
james was given the job of making sure there was enough water for his family's eight cows. because a dairy cow requires 10 to 30 gallons of water each day, it wasa a vvery big job. the bucket james...
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10/06/17
Find the equation of the line containing the point P(4,5) and perpendicular to the graph of y=5/4x-1? Help please!!!!
Algebra question
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10/06/17
if YZ=10 and Y lies at -5, where would Z be located?
Suppose that Y and Z are points on a number line
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