Vince

This page lists questions and answers that were posted by visitors named Vince.

Questions

The following questions were asked by visitors named Vince.

A rectangle is 15cm x 12cm. If the length is reduced by R cm and its width is increased by R cm. Its area is reduced by 4cm^2.

Air is being pumped into a spherical balloon so that its volume increases at a rate of 90{cm}^3/s. How fast is the surface area of the balloon increasing when its radius is 7{cm}? Recall that a ball of radius r has volume \displaystyle V={4}/{3}pie r^3 an...

A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. One person hits the water 5.00 m from the end of the slide in a time of 1.000 s after leaving the slide. Ignoring...

How do I solve this equation 4n^2-25=0

Where can i find info on china and japan during 18th to 19th century.

Is it possible to take igcse examinations in America?

How do I solve this simultaneous equation 3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having problems to substitute it's value in equation (1)

How do I solve this equation 3d-81d^2=0

Q: How is melting different from evaporation?

Q: How is boiling different from sublimation?

How do I solve this equation 7x^3+21x^2=0

how would i express the following fraction with a single denominator e-4/5 +1

What do you understand by life cycle of software development? Explain briefly the various stages of software development life-cycle.

How would I make z the subject of the formulae: x=y(z-y)/z

A mother is 21 years older than her new born daughter. How old will the daughter be when her age is 1/4 of her mother's?

Why does a rubbed balloon stick to the wall?

Mary's age is 2/3 that of peter's. Two years ago Mary's age was 1/2 of what Peter's age will be in 5 year's time. How old is peter now?

The scale of map is 1:20000. Find the area on the map which represents 124km^2

At Harry's Discount Hardware everything is sold for 20% less than the price marked. If Harry buys tool kits for $80, what price should he mark them if he wants to make a 20% profit on his cost?

A square of area 2 is inscribed in a circle. What is the area of the circle?

Carbon-14 Dating. Only 10% of the carbon-14 in a samll wooden bowl remains. How old is the bowl? Half life of carbon is 5700 years.

For small values of h, the function (16+h)^1/4 is best approximately by which of the following? a. 4+h/32 b. 2+h/32 c. h/32 d. 4-h/32 e. 2-h/32

What is needed to have Nitrogen and Lithium react?

A bag has 4 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a yellow marble, do not replace it, and pick a red marble?

(too bad I don't know how to solve it!) How many different ways can the letters in the word “square” be arranged?

A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a blue marble, replacing it, and then picking a black marble?

What is the standard deviation of the following data? If necessary, round your answer to two decimal places. 46, 53, 38, 67, 46, 57, 61, 42, 63, 55, 46

What is the probability of rolling a 1, 2, 4, 5, or 6 on a six sided dice? MAKE SURE TO READ THE QUESTION CAREFULLY!

Write the equation of a hyperbola with a center at (-5, -3), vertices at (-5, -5) and (-5, -1) and co-vertices at (-11, -3) and (1, -3).

Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.

Write the equation of a circle with a center at (2.5, –3.5) and a radius of 1.2.

Function rule for x=1,2,3,4 & y=7,7,9,11

Can the expression on your face produce the emotion which you would like to experience? Explain. ------ I believe that expression on ourface produce the emotion which we would like to experence. right? even though we are sad inside we tend to be happy. an...

0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)? How many ppm? I already know that the molarity is 4.45E-6. I just need help...

How much 2 M KOH must be added to 0.5 L of 0.2 M glycine at pH 8 to bring its pH exactly to 10?

What limits on national powers can be derived from the tenth amendment?

40. If 12.0 gram of O2 is required to inflate a balloon to a certain size at 27 degrees C, what mass of O2 is required to inflate it to the same size and pressure at 81 deg C?

A bag holds 2 yellow, 1 green, and 2 red marbles. If you were to draw a marble from the bag 150 times, and replace it after each draw, how many yellow marbles would you expect to draw? (1 point) A:50 B:60 C:30 D:38 I say it's B or A

A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force J...

How many moles are contained in 1.20 x 1024 molecules CO2?

1) A quantity of 85 mL of .900 M HCl is mixed with 85 mL of .900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/C. If the initial temperatures of both solutions are the same at 18.24 degrees C, what is the final temperature of...

please write an equation in standard x^2-y^2-2x+4y-7=0 * standard form *center *vertices *foci *asymptotes Thank-you you

1) Find the point on the graph of y=x^2 where the cube has slope 5/2 2) Find the point on the graph of y=x^2 where the tangent line is parallel to the line -4x+3y=3

Boat builders share an old rule of thumb for sailboats. The maximum speed 𝐾 in knots is 1.35 times the square root of the length 𝐿 in feet of the boat’s waterline. If a customer is planning on ordering a sailboat with a maximum speed of 8 knots how long s...

A girl runs 50 miles in 60 minutes. At this rate,how long would it take her to run 15 miles?

The wilkinson family drove 1.374 miles in 9 days.how many miles did they drive on last day

A 40lb child is sitting at A(2,3) and a 30lb child is at B(12,7) where units are feet. Find the point P between A and B which could be used as the fulcrum of a teeterboard putting the two children in equilibrium(Hint:40AP=30PB)

Find the equation of the circle which is concentric with the circle x^2+y^2+3y-8y+16=0 and tangent to the line 4x+3y-12=0. Show your solution.

I need help. So supposed that you have three diffrent lenghts of linking cubes as shown below . ( 5 blacks, 3 whites 2, reds) Assume that you have as many of these lengths as you need, but you may not take them apart. a) 25 d) 29 b) 20 e) 30 c) 18 f) 32 G...

On an automobile assembly line, every third car is green. Every fourth car is a convertible. a) How many cars are out of the first 100 will be convertibles? b) Which number of car is First Green convertibles? Grade 7 Math Please answer, ASAP.

Background: a number, e.g. 2 , can be thought of as a trivial random variable that always takes the value 2 . Let x be a number. Let X be a random variable associated with some probabilistic experiment. a) Is it always true that X+x is a random variable?...

You roll a fair six-sided die (all 6 of the possible results of a die roll are equally likely) 5 times, independently. Let X be the number of times that the roll results in 2 or 3. Find the numerical values of the following. a) pX(2.5)= b) pX(1)=

The PMF of the random variable Y satisfies pY(−1)=1/6 , pY(2)=2/6 , pY(5)=3/6 , and pY(y)=0 for all other values y . The expected value of Y is: E[Y]=

We define an infinite-horizon discounted MDP in the following manner. There are three states x,y1,y2 and one action a . The MDP dynamics are independent of the action a as shown below: At state x , with probability 1 the state transits to y1 , i.e., P(y1|...

Maxim has been offered positions by two cellphone companies. The first company pays a salary of 10,000 plus a commission of 1000 for each cellphone sold. The second company pays a salary of 20,000 plus a commission of 500 for each cellphone sold. How many...

Answers

The following answers were posted by visitors named Vince.

Eh, this is just a term of speech to denote different times. For instance, an hour is 60 minutes right? Well, if you broke it into 4 quarters it would be 15 mins each, so when someone says its "Quarter to", that means its 15 minutes away from being that h...

its just like basic algebra if you were to take x^2/x what would you get? just x ^__^

and yes your answer is correct.

^^^^^^^^^^^^^^^^^^^^^^^^^^ She should have wrote: "No, judges should not be....... MISTAKE PWEnd

good lord, use google and be self reliant.......

Im not one of those experts doing this, but don't you have a calculator? Anyways there are sites that help: w w w. quickmath . c o m (no spaces) Sometimes I goof on simple algebra problems and I use their equation solver to fix mistakes, etc.... use it an...

ok thanks alot for clearing it up

How is it possible to study igcse curriculum in America?

I am sure but I think you typed in the equation wrong. Please check

Use the formula for speed and that is speed=distance/time 27cm/10sec 2.7cm/sec Therefore we know that the speed of the bee is 2.7cm per second

yes this is exactly how you do it

This website has helped me a lot in the past! :-) mathsisfun.c om/algebra/completing-square.html

Thank you Ms. Sue!!! 720 is the correct answer!! You are awesome! :-)

Density=13.6=9.83/Velocity Velocity=9.83/13.6

Difficultly by far! I am taking a 200 question test (which after completed I will graduate high school!) and im down to the last 15 questions-I cannot remember for the life of me how to do these!

I agree too! I used to be Manager at McDonald's and I would see so many obese children-it is the mother/father's responsibility for the well being of their child. I don't think that the fast food chains should be held responsible in the fact of having fat...

Cross multiply this equation. You will have: 375 x ---- = --- 12 7 After cross multiplying you will find that on 7 miles of gas you can drive 218 & 3/4 miles.

That equation didn't come out correctly! It should be: 375/12 = x/7 (It will be in fraction form)DO NOT SOLVE IT BY DIVINDING! THAT WILL NOT WORK! STEP 1: MULTIPLY 375 BY 7 TO GET 2625 STEP 2: MULTIPLY 12 BY X TO GET 12X STEP 3: SET UP YOUR EQUATION EQUAT...

Thank you very much!

Dude, you might want to convert your units before anything else .. M is always in kg not g. Your distance should always be in m not cm.

To India, just say each sentence out with each of the verbs and tell me which one sounds correct.

Nvm i worked it out it's B

You didn't even spell history right and no, it is not D it is... wait... Why would I tell you?

The first question has a type point should be on the curve of the graph not the cube

i was able to figure it out 0.06m +8<0.03m+17 0.03m<9 m<300 Statement: Less than 300 minuites

I am only Bill and Vince not the other ones

Thanks for not answer my question though :) really appreciate it

Anna's answer is wrong. 241 L is the correct answer.

just believe in god

pls answer as soon as posible.

Review for final questions

What is the value of a? * 1 point