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Consider the tip of each hand of a clock. Find the linear velocity in millimeters per second for each hand.
a. second hand which
7 answers
asked by
Joe
4,833 views
The initial size of a culture of bacteria is 1500. After 1 hour the bacteria count is 12000.
(a) Find a function n(t) = n0e^rt
4 answers
asked by
Stephon
5,135 views
9. In triangleABC, A=31degrees, AC=32cm, and CB=20cm. Find all possible values of B.
B=34.5 B=55.5 B=59 B=93.5 B=124.4 10. In
5 answers
asked by
Lo
881 views
The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and
5 answers
asked by
Cloud
3,622 views
Find the values of a and b if f(x)=ax^3+bx^2+4 is exactly divisible by both (2x+1) and (x–1). With these values of a and b,
4 answers
asked by
Anthony
949 views
The total electrical resistance R of two resistors connected in parallel with resistances R1 and R2 is given by 1/R=1/R1+1/R2.
5 answers
asked by
Linda
2,202 views
Show that sin(x+pi)=-sinx. Show all of your work.
5 answers
asked by
Allie
2,044 views
Find the amount of time required to double a dollar investment at 7.72%, if the interest is compounded continuously.
4.49 years
4 answers
asked by
Anonymous
2,183 views
This exercise uses the population growth model.
The population of the world was 7.1 billion in 2013, and the observed relative
3 answers
asked by
TJ
1,016 views
The monthly revenue achieved by selling x wristwatches is figured to be x(40-0.2x)dollars. The wholesale cost of each watch is
5 answers
asked by
Bob Dylan
1,740 views
Simplify the ratio of factorials.
(n+2)!/(n-1)!
3 answers
asked by
B
600 views
A piece of wire x inches long is bent into the shape of an equilateral triangle. Find a function that represents the area of the
3 answers
asked by
Jillian
1,501 views
Find a polynomial of the specified degree that satisfies the given conditions.
Degree 4; zeros −3, 0, 1, 4; coefficient of x3
4 answers
asked by
Jillian
3,035 views
Which functions are odd? Select all that apply. (pick 3)
f(x)= -(1)/(2)x^4+5 f(x)=-8x^3+5x f(x)=(-4)/(x^3-x+1) f(x)=(x^5)/(x^4-1)
10 answers
asked by
T.
5,908 views
Triangle ABC is given where m(angle)A=33 degrees, a=15 in., and the height, h, is 9 in. How many distinct triangles can be made
4 answers
asked by
Allie
2,687 views
Someone please help me solve this equation for y. (x^2)(y^2)+xy=1 I need to solve for y so that i can graph it!
y^2 + y/x - 1/x^2
1 answer
asked by
Jill
1,064 views
Solve the system by the addition method
-10x^2 + 10y^2-320=0 30x^2 + 6y^2 - 336 = 0
2 answers
asked by
LT
739 views
How do i solve for the variable
3x= sqrt5x+1
1 answer
asked by
LT
422 views
Solve for the variable
m^2 + 2m +3 > = 0
1 answer
asked by
LT
399 views
write in interval notation
2x^2 < or = 9x+5
1 answer
asked by
LT
443 views
How do I verify that the following equations is an identity: 1+ sec x sin x tan x = sec^2 x
3 answers
asked by
Glen
563 views
What is the real solutions of this equation?
sqrt(2x+3)-sqrt(x+2)=2
1 answer
asked by
Jonathan
422 views
I am supposed to graph this
y= -x^2+2x he told us to coplete the square to get us the vertex, but how do i complete the square
2 answers
asked by
Lauren
981 views
How do you find the amplitude of y=7/8sin[(-8ð/5)x]
1 answer
asked by
Maggie
367 views
Use the following conditions to create a sketch of the function by hand.
a. f(x) is increasing from (-infinity,-4)union(-4,
2 answers
asked by
MUFFY
494 views
Hello and Happy Halloween! Trying to get this problem and could use some help.
Find the dimensions of the rectangle with minimum
2 answers
asked by
Muffy
746 views
I'm given some sort of curve with these points defined (-pi/2 , -1) and (pi/2,1)
ok now I have to do this f(x+2) so I have to
1 answer
asked by
PreCalc
338 views
Chase Quinn wants to expand his cut-flower business. He has 12 additional acres on which he intends to plant lilies and
2 answers
asked by
Tara
527 views
so what is the equation of the line???
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 1 4 7 1
1 answer
asked by
Joe
337 views
y =( (C-A)/2 ) sin( (X - (A - ( (C - A)/2 ) ) )( pi/(C-A) ) ) + (B - ( (B-D)/2 )
How do I rearange this for this equation for the
1 answer
asked by
Jo
892 views
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7
ok this is what i mean. For exmaple
4 answers
asked by
Jo
503 views
h t t p : / /w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 3 0 7 8 3
thats fair but can i ask why you do
1 answer
asked by
Jo
249 views
Naturalists find that the populations of some kinds of predatory animals vary periodically. Assume that the population of foxes
4 answers
asked by
Jo
2,732 views
please
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 4 8 7 4 9 0
1 answer
asked by
Joe
270 views
[b]1. The problem statement, all variables and given/known data[/b]
The average growth rate of the population of a certain city
3 answers
asked by
Kate
837 views
An isosceles triangle is a triangle with two sides that are the same length. Find the measure of the two equal angles to the
2 answers
asked by
Lori
866 views
Rebecca and Tom Payton have decided to buy a home that costs $200,000. The Paytons can put down 20% of the home's price. They
3 answers
asked by
Anonymous
502 views
for what value of y would the following be true?
[(1/3)πk(3 + 1/4 y)^8/3] = 2[(1/3)πk(3^)8/3] (weird symbols are pi) A.)6.2
1 answer
asked by
Anonymous
255 views
The area of a parking lot is 805 square meters. A car requires 5 square meters and a bus requires 32 square meters of space. At
4 answers
asked by
Anonymous
2,686 views
In sixteen states and the District of Columbia, the legal blood-alcohol level is 0.08. Use the formula A(x) = -0.0082x2 + 0.06x
1 answer
asked by
Anonymous
378 views
Let x = the number of non-federal hazardous waste sites and let y = the number of federal hazardous waste sites. The ordered
5 answers
asked by
Anonymous
908 views
In 1995 the CPI for all items was 152.4. Find the price in 1995 of a typical item that had an average price of $5 during the
2 answers
asked by
Anonymous
1,290 views
6.Given -2i is a root, determine all other roots of x^4-10x^3+42x^2-88x+80.
A. x= +/- 4, 2i B.x= -2, +/- 4i C.x= -4, +/- 2 D.x=
3 answers
asked by
Barb
501 views
Consider the function(7+15x^2)/(10x^2+9x+10). Find the function's domain and identify any horizontal and vertical asymptotes
Plea
1 answer
asked by
BJ
428 views
Find the maximum product of two numbers whose sum euqals 124. Let's call the numbers "x" and "y". Also, what are those two
3 answers
asked by
Lynnette
1,180 views
Find the line of the equation that
hits y=4x^2-20 when x= -5 that is perpendicular to 5x-6=3y My solution does not graphical show
5 answers
asked by
Lynnette
430 views
Which investment option will pay the most interest?
A. 12.6% compounded annually B. 12.4% compounded semiannually C. 12.2%
4 answers
asked by
BJ
1,757 views
log base 5 (75)
1 answer
asked by
aaaa
418 views
The decibel (dB) is defined as
dB= 10log (P2/P1), where P2 is the power of a particular signal. P1 is the power of some reference
2 answers
asked by
jj
946 views
what is the cot of theta if the cos of theta = 4/9 and theta lies in quadrant IV
2 answers
asked by
T
511 views
Determine whether the sequence is arithmetic. If so, find the common difference.
4, 16, 64, 256, 1024
2 answers
asked by
gh
900 views
Find the standard form of the equation of the ellipse with the following characteristics.
foci: (+/-5, 0) major axis of length:
3 answers
asked by
barb
1,407 views
Find all real zeros of the polynomial f(x)= x^4 -130x^2+3969 and determine the mutiplicity of each.
3 answers
asked by
barb
352 views
A contractor plans to build an artist's studio with a roof that slopes differently on the 2 sides. On one side, the roof makes
1 answer
asked by
Neha
647 views
Write the following expression as one logarithm: 2logx-log4-log3+logx.
Simplify your answer.
4 answers
asked by
matt
982 views
I'm not sure how to solve these with calculator.
sec x = -2 , π ≤ x ≤ 3π sinθ=0.1473, 0°≤θ≤90° cosθ=0.7563,
1 answer
asked by
Sam
380 views
The sun rises at 6 AM and is directly overhead at noon, estimate the time (hour and minutes) when a 34-foot tree will have a
1 answer
asked by
Sam
464 views
A card game uses a pack of 24 cards, consisting of ace, king, queen, jack, 10, and 9 in each of the four suits spade, hearts,
2 answers
asked by
Peggy
595 views
A square has side lengths of 24 cm. It is divided into four equal sections (as shown in the first picture) and then two of those
1 answer
asked by
Anonymous
632 views
1) Determine the value of r (put this number in the first blank) and then determine the value of the 10th term of the geometric
2 answers
asked by
Anonymous
551 views
Why when graphing a regular tan graph, the period is pi but when I graph a sin or cos it has a period of 2pi?
1 answer
asked by
Skye
406 views
2000(1 – 0.75) = 2000 (.25)
= 500 survivors after the dose of antibiotic a is taken Then, 500(1.40)3 = 1374 bacteria after the
1 answer
asked by
Anonymous
300 views
If tan theta = 9/5 and cot omega = 9/5
Find the exact value of sin (omega-theta)
3 answers
asked by
Joel
553 views
stacey is standing 5 miles west of the control tower at an airport. A plane took off traveling directly north of the control
2 answers
asked by
Maddy
597 views
A weekly census of the tree frog in a park is given
week population 1 18 2 54 3 162 4 486 5 1458 6 4374 a. find the function of
3 answers
asked by
Andy G
1,145 views
Solve each inequality:
(1/(2b+1)) + (1/(b+1)) > (8/15) (2/(x+1)) < 1 - (1/(x-1)) My teacher told me the answer is in interval
7 answers
asked by
John
525 views
Find the equation of the line in the xy-plane that goes through the origin and makes an angle of 1.2 radians with the positive
2 answers
asked by
Zack
845 views
Find the slope of the radius of the unit circle that corresponds to the given angle.
7π/6 radians
3 answers
asked by
Zack
1,086 views
Graph y=2csc(x-π)
New period that I solve for 0<x-π<2π π<x<3π What is my quarter period? I got that it was 3π/4 but when I
2 answers
asked by
Maddy
514 views
Sqrt of 9sin^2x
Is the answer |3sinx|? Is the three included in the absolute value sign? My teacher is very picky and I need to
2 answers
asked by
Maddy
501 views
A crate has a heigth of 6 feet. The sum of the areas of all 6 sides of the crate is 40 square feet. Express the length l of the
1 answer
asked by
Jillian
458 views
Let f (x) = x + 3. Find and simplify :
f(a+h)−f(a) /h
3 answers
asked by
Jillian
566 views
= x + 3. Find and simplify :
f(a+h)−f(a) /h the x +3 is under a radical sign as well!
1 answer
asked by
Jillian
320 views
The temperature T(t) varies sinusoidally on a certain day in December. The minimum temperature is 35 degrees Fahrenheit at
6 answers
asked by
Katy
2,539 views
As you ride a bicycle, the distance between your foot and the pavement varies sinusoidally with the horizontal distance the
3 answers
asked by
Katy
1,548 views
Approximate the solutions to the following equation on the interval [0,2π). Round your answer to four decimal places.
sinθ=0.65
4 answers
asked by
chizoba
3,365 views
2x^3+x^2-8x+3>0
1 answer
asked by
Amy
233 views
Suppose that $14,000 is invested in a savings account paying 5.2% interest per year.
(a) Write the formula for the amount A in
2 answers
asked by
Jacob
985 views
The half-life of krypton-91 (91Kr) is 10 s. At time
t = 0 a heavy canister contains 5 g of this radioactive gas. (a) Find a
3 answers
asked by
Kristen
1,050 views
An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor
4 answers
asked by
Jimmy
1,341 views
6t + 5(t-1)/3 =4
Please help, I keep getting the wrong answer.
1 answer
asked by
Misty
270 views
QP is (x y) = (3 -1) + r (14 10)
QR is (x y) = (3 -1) + s (17 -9) PR is (x y) = (0 18) + t (5 -7) where r, s, and t are scalars.
1 answer
asked by
John
421 views
QP is (x y) = (3 -1) + r (14 10)
QR is (x y) = (3 -1) + s (17 -9) PR is (x y) = (0 18) + t (5 -7) where r, s, and t are scalars.
2 answers
asked by
John
556 views
The “Hatch Shell” in Boston has the arch with semi-elliptical form with a horizontal major axis. The base of the arch is
3 answers
asked by
Jake
1,490 views
The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and
4 answers
asked by
jeff
879 views
If 3x^3+ax^2+3x+2 leaves a remainder of 4 on division by (3x-1), find a.
1 answer
asked by
Jake
679 views
Verify the Identity.
cos^4xcsc^2x = csc^2x + som^2x - 2
3 answers
asked by
Brit
776 views
When x^4 + ax^3 + bx +c is divided by (x–1), (x+1), and (x+2), the remainders are 14, 0, and –16 respectively. Find the
3 answers
asked by
Anthony
783 views
When the polynomial p(x) is divided by (x–2), the remainder is 3 and when p(x) is divided by (x+1) the remainder is 9. Given
5 answers
asked by
Anthony
628 views
Solve:
(x-1)/(x)+(x-2)/(x)+(x-3)/(x)+...+(1)/(x)=3; X belongs to N
1 answer
asked by
Anthony
396 views
can someone help me out with steps to solve this problem? thx
30x^3y^4 ------------- 6x^9y^-4
3 answers
asked by
Art
348 views
There are a few problems on my homework im having trouble on. can you explain how to do these problems? thanks
1. x^2+10x+25-9y^2
3 answers
asked by
Art
585 views
x² + 10x + 25 – 9y² I am asked to state if this polynomial is prime or to factor it. I can clearly see that you can take the
2 answers
asked by
Art
632 views
- 2x^3
2x√(x^2+5) ----------- x^2+5 --------------------------------------- ***The lines are fraction lines*** x^2+5 This
5 answers
asked by
Art
794 views
1. Find f^-1 for the function f(x)=3srtx-2 +8
2. Find the domain and range of f^-1 where f(x) = 1/3x+2
2 answers
asked by
T
664 views
Choose any two specific functions that have inverses. Use your chosen functions to answer any one of the following questions
- If
2 answers
asked by
T
953 views
Let f(x)=(x-2)^3+8
a.Show that this function is one-to-one algebraically. b. Find the inverse of f(x)
3 answers
asked by
T
2,743 views
Let (f) = 1/x and g(x)=x^2 +5x.
a. Find (f*g)(x) b. Find the domain and range of (f*)(x)
3 answers
asked by
T
568 views
Find (g•f)(x) when f(x)=√x+1 and g(x)= x^2+3/x
A. (g*f)(x)=x+4/sqrt x+1 B. (g*f)(x)=x^2+2x+4/sqrt x+1 C. (g*f)(x)=
1 answer
asked by
Tay
439 views
Determine whether f(x)=5x+1/x and g(x)= x/5x+1 are inverse functions. Explain how you know.
Help please?
4 answers
asked by
T.
2,987 views
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