krista
This page lists questions and answers that were posted by visitors named krista.
Questions
The following questions were asked by visitors named krista.
just a question... do you guys edit essays here? (for grammar/sentence structure?)
18 years ago
((sqr 3)sin t)-((sqr 1)+(sin^2)*t)=0
15 years ago
show that k(x)= (5x^3) + (5/x^3) - x- (1/x)
15 years ago
evaluate: cos (arc sin (4/5) - arc tan 2) with out using a calc.
15 years ago
calculate the centripetal acceleration of the earth in its orbit around the sun and the net force exerted on the earth. What exerts this force on the earth? Assume that the earth's orbit is a circle of radius 1.50x10^11m. (earth's mass= 5.98x10^29kg, Sun'...
15 years ago
show that: (1-tanx)/(1+tanx)= (1-sinx)/(cos2x)
15 years ago
Show that: sec (A-B)= (cos(A+B))/(cos^2 A-Sin^2 B)
15 years ago
PLEASE HELP! Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)
15 years ago
Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)
15 years ago
23 students went to the school store, 17 bought pencils,12 bought paper, how many purchased both?
14 years ago
how do I calculate 22 x n is between 80 and 85 please
14 years ago
Momentum of a bullet of mass 1.34 x 10-3 slug traveling 735 ft/ s
14 years ago
Very carefully explain which will evaporate faster under conditions: 50.0 mL of distilled waater or 50.0 mL of sea water.
14 years ago
A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?
14 years ago
Calculate the molarity of NaI in a soultion obtained by adding 5.0 mL of 0.2 M NaI to a mixture of 5.0 mL of 0.2 M K2SO4,5.0 mL K2S2O8, 4.0 mL of H2O and 1.0 mL of Starch
14 years ago
Brookney kicks a soccerball with a speed of 17m/s at 43 degress above the horizon. How far does the ball go before it hits the ground?
13 years ago
Match each ratio in the first row with an equivalent ratio from the second row if angle A plus angle B = 90 degrees. SinA CosA TanA CscA SecA CotA SinB CosB TanB CscB SecB CotB Pleaseeee help!!
13 years ago
The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point (3, -2).
11 years ago
The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?
11 years ago
The vertices J(2,6), K(7,8), L(9,3), and M(?, ?) determine a square. Show your work to find the coordinates of M. Use complete sentences and proper grammar to give a justification why JKLM is a square.
8 years ago
Linh buys two T-shirts for $12 each, a pair of shoes for $28, and a pair of jeans for $45. She has a coupon for 30 percent off her total purchase. There is no tax on her purchase. What is the final price that Linh pays?
5 years ago
Answers
The following answers were posted by visitors named krista.
^ sorry didn't finish: show that k(x)= k(1/x)
15 years ago
yea i realize that but the question says "show" that they equal each other. im thinking possibly by some sort of identity or something.
15 years ago
ohh i see duh!! lol thanks =)
15 years ago
im sorry, i wrote the question wrong, its supposed to be: f(x)=(-3/x^2), but i think i can follow this same format to solve this one too right?
15 years ago
okay thanks i get it (:
15 years ago
80
4 years ago
i just need the help oof i suck at math and have to do edgenuity and finally got from 40 something to 67
4 years ago