Bart

how would you state Ag2CrO4 acting as a cathode?

17 years ago

Sharon was playing darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a q...

16 years ago

What's wrong with the following sentence? He was in trouble for acting like a tomfoolery.

15 years ago

I was thinking that I have to multiply but that doesn't make sense. However, I am terrible at story problems. A child's dose of medicine is 1/6 of a pre-measured dose cup. If the bottle of a medicine is the size of 9 doses, how many children's doses are t...

15 years ago

A 6-pack of 4oz containers of yogaurt costs 2.99. what is the unit price in cents per ounce? Round to the nearest hundredths of a cent. First I would take 6 x 4 = 24 oz. Then I would divide 2.99/24 and get an answer of .1245833. Would my answer be 12 cent...

15 years ago

I do not understand how to decide which method would you use to determine whether this proportion is true or false? 19/6=4/27

15 years ago

The 18th hole at the Riverwoods Golf Course is 441 yards long. How long would it be on a model with a scale of 2.5 inches to 100 yards? I do not understand how to figure this out.

15 years ago

I have no idea how to do this: Express the ratio in simplest form. 5 yards to 24 feet convert yards to feet: 12 x 5 = 60 ft. Would the answer be 60:24 ? is this the simplest form if the answer is correct?

15 years ago

Write the numbers in order of increasing size. 0.81, 0.811, 0.888, 8/10, 0.8181 I think it may be 0.888, 8/10, 0.81, 0.8181, 0.81

15 years ago

Not sure if I did this right. A worker has readings that take minutes each to read and record. How many readings can be completed in 192 minutes? 8/3 = 192/x = 8x = 576/8 = x = 72 Answer = 72

15 years ago

Write the negation of the following: Every rectangle with four equal sides is a square. A) No rectangle with four equal sides is not a square. B) Every square with four equal sides is not a rectangle. C) Every rectangle with four equal sides is not a squa...

15 years ago

I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and hist...

15 years ago

(-2)7=-2^7 -2^5 = -2*-2 = 4 * -2= -8 * -2 = 16 * -2 = -32

15 years ago

Does (-2)^7 = -2^7

15 years ago

Use front-end estimation to find the value of the expression. I do not understand (without adjustment) 687 - 239 (without adjustment) is this right? 600 + 200= 800 + 126=926

15 years ago

I do not understand how to figure this out: Calculate variance:

15 years ago

If I am rolling a single dice what is the probability of rolling a number that is divisible by 2 and 3? The only number divisible by 2 and 3 is 6. So, would the answer be 1 out 6 or 1/6

15 years ago

consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A red card or a card showing a 5 is drawn. There are 26 red cards and 2 extra fives. Would my answer be 28/52?

15 years ago

How many ways can three cars be parked in a row of four parking spaces? I have no idea how to do this?

15 years ago

A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of choosing a marble that is not blue? 7 red marbles plus 1 green marble = 8/10 = answer = 4/5

15 years ago

There are 30 fish in a pond. We know that 13 of these fish are males, 4 of these males are salmon, and there are 8 salmon in the pond. What is the probability that a randomly chosen fish is a salmon, given that it is a male? I think they are just asking a...

15 years ago

A tractor manufacturing company machines axles to extremely small tolerances. The main power axles have a mean diameter of 3.0000 inches and a standard deviation of 0.0050 inch. What is the probability that a given axle will have a diameter between 2.9915...

15 years ago

The U.S. Department of Defense makes use of statistics in designing weapon systems for tanks and other forms of armor. By measuring the results of the firing of a weapons system under simulated combat conditions, ballistics researchers can estimate the ac...

15 years ago

I am to find the equation of the axis of symmetry and the coordinate of the vertex of the graph of each function. I don't undertand y=2x^2+4

14 years ago

I do not understand how to figure out probability. Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the seco...

14 years ago

Consider a rider on a Ferris wheel which is turning at constant speed. (a) At what point is the upward component of the force of the seat on the rider minimum? (b) At what point is the upward component of the force of the seat on the rider maximum? Justif...

14 years ago

A concrete pad has dimensions 9 ft by 9 ft by 4 inches. How many cubic yards of concrete does it contain?

14 years ago

the book says Ponyboy,Dally, and Johny saved the kids in the hall way when they were in the church is that true? because in the movie they didn't

14 years ago

A man is camping. He has packed 8 black socks, 8 blue socks, 8 white socks, and 8 gray socks. It is still dark when he gets dressed. How many socks would he have to pull out of his bag to BE SURE that he has a matching pair?

14 years ago

A baseball is hit with a speed of 27 meters per second at an angle of 45 degrees. It lands on the flat roof of a 13 meter tall building. If the ball was hit when it was 1 meter above the ground, what horizontal distance does it travel before it lands on t...

13 years ago

I do not understand the answer that was given to me on a post dated Nov. 23. Please help explain my questions that appear at the end of this post. Bart ------------------- Posted by Bart on Wednesday, November 23, 2011 at 6:52am. A baseball is hit with a...

13 years ago

What is the volume of a rectangle, H= 25 m, L= 100 m, W= 45 m.

13 years ago

(20-r)^(1/2)= r

12 years ago

(18-n)^(1/2)=(n/8)^(1/2)

12 years ago

(1/(n^2))+(1/n)=(1/(2(n^2)))

12 years ago

(2v-7)^(1/2)=v-3

12 years ago

When dealing with imaginary and complex numbers, are there 2 solutions? I.e.: x^2=4 x=2,-2 For: x^2=-4 x=2i or -2i ? (Is there a 2i and -2i, like for real numbers?)

12 years ago

You slide your friend with a mass of 65 kg out of the way as they are blocking the exit and keeping you from escaping from physics class where you have been tormented by problems for the last hour and a half. The coefficient of kinetic friction between th...

12 years ago

I know the answer to this problem is -1. I found that by substituting for x and seeing if it worked. How should I do it the correct way? (x/(3x+6))-(x+1/3x-6)=(1/(x^2)-4)

12 years ago

I know the answer to this question is: -1. I got that answer by substituting -1 in for x. Please show me how I should do this the correct way. (x/(3x+6))-((x+1)/(3x-6))=(1/((x^2)-4)) Thank you.

12 years ago

Two days ago "Steve" helped me with this problem. I am grateful to him. I didn't get it and asked for him to help me again. He showed it to me again, but I needed more steps shown. Then I think he was finished for tutoring for the day before I could see i...

12 years ago

You spin a spinner that is divided into 6 equals parts once and roll the number cube once. Find the probability that the spinner stops on the same number that you roll the number cube?

12 years ago

A villain is knocked out of a low-flying aircraft by a heroic scientist-adventurer at an altitude of 370 m. After falling for 120 m the villain reaches terminal velocity. 7.16 seconds after reaching terminal velocity, the villain crash lands in a river fu...

11 years ago

a skateboard with a mass of 1.5 kg moves up a quarter pipe to a height of 5.0 meters. How fast was it moving at ground level?

10 years ago

A hot lump of 25.6 g of aluminum at an initial temperature of 57.4 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water given that the specific heat of alumin...

9 years ago

Find the sum of 31 + 32 + 33 + ... + 230. Show your work.

3 years ago

Is the following proposition TRUE or FALSE: If 1 < 0, then 1 + 1 = 3.

3 years ago

An unknown element, X, combines with aluminum to form a compound with the formula Al3X2. What would be the most likely formula for the compound that element X forms with Calcium.

3 years ago

5. Find the area of a sector of a circle with a diameter of 8 cm and a central angle that measures 2pi / 3 radians.

3 years ago

3. Find the radian measure of rotation where a point 3.5 cm from the center of rotation travels 20cm. <3

3 years ago

An airplane is flying at an altitude of 15,000 ft. The angle of depression from the plane to an observation post (on the ground) is 21o. How far must the plane travel to be directly over the observation post?

3 years ago

For the first time ever I understand. Thank you very much. Your correction helped me out immensely.

15 years ago

thank you. I actually was thinking I needed to multiply and then divide but I should divide first, which would inclue inverting the 1/6 into 6/1. Duh.

15 years ago

I do not understand the 46 hundredeths. isn't the 2 in the hundredths?

15 years ago

is the answer 11.025?

15 years ago

I can't believe I messed that up. Thx.

15 years ago

2 2/3

15 years ago

I am not sure I understand what you are saying; however, would my answer be 25?

15 years ago

I think I made a mistake in how I wrote the first one. I should have said (-2)^7 So would I be correct in saying -2^7

15 years ago

Right it was subtraction. So what does "without adjustment" mean?

15 years ago

Thank you

15 years ago

I think, but how about this: calculate range: -1, 0, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0 is it: 1, 0, 1, 0, 1, 0 , 1, 0, 1, 0, 1, 0: but how do you do the rest if this is right?

15 years ago

I think I confused myself. I do not want to calculate range but variance. In order to get the variance what do I do?

15 years ago

Does this mean that we do not count the two red fives as they would already be counted in the reds.

15 years ago

Mode is the value that is used or repeated the most in a sequence of numbers.

15 years ago

why do you only multiply to the third power?

15 years ago

I need help understanding how to solve by going through step by step. I do not want to know the answer, I need to learn the process. Please help me through that.

15 years ago

For #2 What formula did you use when writing: (Vo^g)sin (2A)? Where did the 2 in the 2A come from? For #1 Where did the 27/sqrt2 come from? For #3 I still need help doing this one. I am not yet at the point where I can do it myself.

13 years ago

Thank you!

12 years ago

Thank you!

12 years ago

I tried to but I could not get it. Please help me.

12 years ago

Thank you!

12 years ago

Thank you!

12 years ago

Thank you!

12 years ago

Thank you for your help. I still need some more explaining. I understand factoring out the 1/3 on the left hand side. I also understand factoring the denominator on the right hand side. After that I have trouble. Could you please show it to me again, but...

12 years ago

Steve, thank you for showing me again. Yes, I couldn't quite get it last time. I understood factoring out the 1/3 on the left side. I understood factoring the denominator on the right side. After that I have trouble. Could you please show it to me again w...

12 years ago

Please other Problem 1 & 2!

12 years ago

The answer is B. Although it may seem the other answers are correct as well, in fact they are not. A 'complex paragraph' is indeed one which explains multiple sides of an issue, but favors one, thus only one main topic is represented. It doesn't really ma...

8 years ago

Convex Mirror

8 years ago

The answer is D. Proven. I got the answer right on a quiz. Hope this helps!

5 years ago

hehehehaw

3 years ago