Tish
Most popular questions and responses by Tish
Chemistry
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCl to a final volume of 750 mL
asked on October 14, 2012 
math
A store usuall sells a certain item at 40%profit. One week the store has a sale, during which the item is sold for 10% less than the usual price. During the sale, what is the percent profit of the sotre makes on each of these items. A. 4% b. 14% C. 26% D.
asked on June 28, 2016 
math
A British company is sending you measurements for a table to build in your factory. The table top must be 50 cm × 75 cm. Your machine calibrates in inches. Find the size of the table in inches. (1 cm = .39 in)
asked on March 15, 2011 
math
In a course a student's final exam is weighted as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course?
asked on June 10, 2016 
math
lim x→0 of [tan(3x^2) + sin^2(5x)] / (x^2)
asked on October 15, 2016 
physics
a rifle that has been ‘sighted in' for a 91.4meter target. If the muzzle speed of the bullet is v0 = 328 m/s, there are the two possible angles è1 and è2 between the rifle barrel and the horizontal such that the bullet will hit the target. One of
asked on February 10, 2011 
physics
A Boeing 747 "Jumbo Jet" has a length of 59.7 m. The runway on which the plane lands intersects another runway. The width of the intersection is 21.3 m. The plane decelerates through the intersection at a rate of 5.33 m/s2 and clears it with a final speed
asked on February 23, 2011 
math
if the taxi fare is c cents for the first quarter mile and s cent for each additional quarter mile ,what is the charge ,in cents ,for a trip of x miles,where x is greater than!?
asked on June 28, 2016 
word problem
james has a metal frame with an 8.32 inch perimeter. If the sides are 0.04 inches thick, what is the perimeter of the inside of the frame? 0.04 x 4 + .16 8.32  .16 = 8.16 But the book gives an answer of 8. I am not sure what I am doing wrong. Can any one
asked on April 20, 2011 
math
lim x→0 of [2cos3xcos4x]/(x)
asked on October 15, 2016 
math
samir is twice as old as babul was two years ago.if the difference is 2 years how old is samir is?
asked on October 25, 2017 
physics
An airplane is flying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.4 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle è?
asked on February 10, 2011 
physics
Suppose that you loft the ball with an initial speed of 15.0 m/s at an angle of 50.0° the horizontal. At this instant your opponent is 10.0 m away from the ball. He begins moving away from you 0.38 s later, hoping to reach the ball and hit it back at the
asked on February 10, 2011 
physic
A dynamite blast at a quarry launches a rock straight upward, and 2.0 s later it is rising at a rate of 15 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b)4.2 s after launch
asked on February 23, 2011 
math
Peter uses the equation mc0151.jpg to model the number of miles that he has walked in x hours. Which statement is true about the proportional relationship that is modeled by Peter’s equation?
asked on June 23, 2017 
math
What is the greatest number of rectangles with integer side lengths and perimeter 10 that can be cut from a piece of paper with width 24 and length 60?
asked on July 4, 2016 
math
A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off)
asked on September 11, 2014 
physics
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water
asked on February 23, 2011 
math
Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.
asked on September 11, 2014 
ratios
Martha is flying to England for a visit. She intends to exchange her U.S. dollars for English pounds. The exchange rate allows 60 pounds for every 100 U.S. dollars. How many pounds will she get if she exchanges $450 U.S. dollars for pounds? 60:x = 100:450
asked on April 21, 2011 
Math
a certain state's lottery game, lotto, is set up so that each player pays $1 per ticket and chooses six different numbers from 1 to 49. if the six numbers chosen match the six numbers drawn each Saturday evening, the player wins the top cash prize. the
asked on November 7, 2012 
Percentage Problems
Find 1/2 of 1% of 190. 190 x .01 = 1.9 1.9/2 = .95 This is what I have been doing. However, the answer is 19/20 and there isn't any explantion. Can anyone help me out with this? Thank you in advanced
asked on April 21, 2011 
math
Find a value of the constant k, if possible, that will make the function continuous for all values of x. f(x)=9x^2 if x >= 0, f(x)=k/x^2 x < 0
asked on October 3, 2016 
math
An investment adviser invested $14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was $458. How much was invested in each account
asked on September 11, 2014 
math
Equation: x^2+y^2 =2x +4y. Given that dy/dt =6, ﬁnd dx/dt when (x,y) = (1+√2,2+√3).
asked on October 30, 2016 
math
what is the acute angle between the hands of hour and minute?
asked on July 6, 2016 
chemistry
How much heat in joules is required to heat a 44g sample of aluminum from 76 F to 148 F?
asked on February 26, 2013 
math
A salesman may draw a fixed salary of $10000 per month and a 2% commission sales or he can draw a fixed salary of $4000 per month and a 12% commission on sales.what volume of sales would he earn him the same amount of money in both rates??pls explain the
asked on July 17, 2016 
math
what is the acute angle between the hands of hour and minute at 6:25?
asked on July 6, 2016 
math
three right angles have vertices at the center of the circle .if the radius of the circle is 8,what is the combined area of the shaded region?
asked on July 6, 2016 
Algebra
(12x + 5t)(14t6x) 12x + 5t  14t 6x ( I get lost here when the 6x changes to +6. Same as this question: (5x + 2z)(2x  11z) Can anyone explain this to me? Thank you
asked on April 25, 2011 
physics
An airplane with a speed of 94.9 m/s is climbing upward at an angle of 63.2 ° with respect to the horizontal. When the plane's altitude is 743 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly
asked on February 10, 2011 
physics
A diver runs horizontally with a speed of 0.759 m/s off a platform that is 10.0 m above the water. What is his speed just before striking the water?
asked on February 10, 2011 
please help!!!!!
I need current human rights issues in Canada... and google doesnt help me!! Does anybody have any suggestions? Thank you for using the Jiskha Homework Help Forum. Reuter's always has news from every country. Here are some to try: 1.
asked on March 24, 2007 
c++ programming
A programme to compute the area of a circle where the radius is less than 100 square units then your programme should print"the cicle is too small" otherwise it should print"Your circle is big enoughto hold a Quadrate and the area of the quadrate is x"
asked on January 31, 2017 
Algebraic Expressions
2 / (x1)^3 + 3 / (x1)^2 + 4 / x1 Two of us get 4x^2  5x + 3 / (x1)^3 The book gives 4x^2  5x + 3 / (x1)^3 Can anyone help with this one.
asked on April 30, 2011 
Algebra
45x divided by 6t x 11x I have tried to work this out, however, do not understand it at all. The book gives an answer of (55x squared)t. Can anyone explain this to me? Thank you
asked on April 27, 2011 
math
what is the particular integral of xe^x??
asked on February 28, 2017 
math
if the side of a square is increased by 150 percent.by what percent does the area increase?
asked on July 4, 2016 
math
What is 1/8 written as another fraction
asked on February 25, 2014 
calculus
The point of inflection for graph x^3/3x^23x+7 I cannot seem to find it as stated.
asked on June 28, 2011 
Algebra
45 ÷ 6t x 11x I have already posted this question and received an answer. However, brackets weren't used and so still seeking understanding. I was trying to divide 6 into 45 then multiply 11x, but it isn't working out as the book answers. Once again,
asked on April 27, 2011 
physics
A speedboat starts from rest and accelerates at +1.69 m/s2 for 7.18 s. At the end of this time, the boat continues for an additional 4.55 s with an acceleration of +0.468 m/s2. Following this, the boat accelerates at 0.657 m/s2 for 8.38 s. (a) What is the
asked on February 23, 2011 
Algebra
How many solutions are there to the equation 0.3x^2+25x+16=0, how would you come to this conclusion?
asked on February 13, 2011 
Math
The number of tickets sold each day for an upcoming performance is given by N(x)=0.5x^2+12x+13, where x is the number of days since the performance was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
asked on February 10, 2011 
English
later and then are what part of speech
asked on April 20, 2008 
poetry
Hopkins's use of "seared," "bleared," and "smeared" is an example of
asked on June 29, 2008 
Biology
In this statement, "Some drugs can be used as muscle relaxants" Identify the neurotransmitters involved and what the drugs are doing at a biological level. Thank you! yea it is
asked on March 20, 2007 
English
Does this sentence make sense. Students may not still have a sweet tooth by Thanksgiving. OR Would it be more correct to leave the still out?
asked on November 21, 2017 
math
dy/dx+(1/x)y=3x^2y^3 find the solution using Bernoulli equation
asked on January 24, 2017 
math
A trained bulldog can run for 5 hours at a rate of 20 mph while it can run for for only 2 hours at a speed of 25 mph.the distance covered by running at the slower speed is what percent more than the distance covered by running at the faster speed?
asked on July 17, 2016 
math
if #x=x^2x for all whole numbers then #(#3)=?
asked on June 24, 2016 
Math
Let f(x)=x+1‾‾‾‾‾√ and g(x)=3x−5. Find f∘g and g∘f, and their respective domains. 1. (f∘g)(x)= 2. What is the domain of f∘g ? Answer (in interval notation): 3. (g∘f)(x)= 4. What is the domain of g∘f ? Answer (in interval
asked on March 1, 2016 
math
A motorboat left a harbor and traveled to an island at an average rate of 11 knots. The average speed on the return trip was 10 knots. If the total trip took 4.2 hours, how far is the harbor from the island?
asked on September 11, 2014 
arithmetic
write 14 over 4000 as a decimal
asked on January 29, 2012 
American History
Explain the politics of consensus
asked on April 18, 2008

English
OR how about Students may indulge in their sweet tooth before Thanksgiving.
posted on November 21, 2017 
GEOMETRY
14
posted on July 5, 2016 
math
In a course a student's final exam is weighted twice as heavily as his mid term exam.if a student receives a score of 84 on his final exam 90 on his midterm,what is the average for the course? as final exam is weighted twice then 84*2=168 then 168+90=258
posted on June 10, 2016 
Chemistry
A 0.105L sample of an unknown HNO3 solution required 36.9 mL of 0.200 M Ba(OH)2 for complete neutralization. What was the concentration of the HNO3 solution?
posted on October 14, 2012 
calculus
I got it thank you so much it makes much more sense when you help me.
posted on June 28, 2011 
calculus
but what would y be?
posted on June 28, 2011 
Algebra
(55x2)/t
posted on April 29, 2011 
Algebra
I forgot to put the x after the 45. And I don't understand what you mean. Sorry. 45x ÷ 6t x 11x Note: I am studying to get my GED's so I can go back to school. I never touched on any of this.
posted on April 27, 2011 
Algebra
it isn't in brackets. 45 ÷ 6t x 11x Thank you so much for your help.
posted on April 27, 2011 
Algebra
I am working out of Mathematics Made Simple. I find it very hard to learn from, however, is the only book I have.
posted on April 27, 2011 
Algebra
would you be able to explain how this is worked out?
posted on April 27, 2011 
ratios
The book I am learning from gives an answer of 750 pounds. I am working out of Mathematics Made Simple fifth edition. It doesn't show the work. It shows me one way of doing certain problems and then changes. frusterating? Thank you for your help.
posted on April 21, 2011 
Percentage Problems
I figured it out. I converted .95 to a fraction. :)
posted on April 21, 2011 
word problem
It only says a metal frame. Thank you so much for helping me with this so quickly. :)
posted on April 20, 2011 
physic
a. is 34.6 so would b) be v=34.6(9.8)(4.2)
posted on February 23, 2011 
physics
what would be the smaller angle because 89.76 is the larger angle
posted on February 17, 2011 
physics
i ask my teacher he said it wasn't right
posted on February 13, 2011 
physics
no im not using two different names..
posted on February 13, 2011 
spelling
thanks for the help i just had the spelling sheet now
posted on January 20, 2011