Thursday

February 26, 2015

February 26, 2015

Total # Posts: 99

**algerbra**

what is the area of a rectangle 14ft x 8ft
*March 30, 2012*

**Quantitative Analysis**

The density of a 50-%(w/w) solution of NaOH is 2.0 g mL-1. How much of this solution is needed to prepare 1.0 L of 0.10 M NaOH?
*September 13, 2011*

**math**

who makes rainwater mix with dirt?
*March 9, 2010*

**algebra**

Is it D + (D+5)+ D = 30 5 + (15+5) + D = 30 5 + 20 + 5 = 30
*January 21, 2010*

**algebra**

can someone please help me solve this problem? The halftime period at a football game is 30 min long. The cheerleaders have to perform before and after the band; however, the band plays 5 min longer than the cheerleaders dance. How long does each group perform? I am thinking ...
*January 21, 2010*

**art**

Can someone tell me the distinction between film and popular cinema?
*January 14, 2010*

**algebra**

find -x when x=-76. Is the correct answer 76?
*December 6, 2009*

**algebra**

thanks
*December 6, 2009*

**algebra**

in 1993, the elevation of an offshore well was -3250 feet. in 1998, a new well was 310 feet deeper. What was the elevation of the new well in 1998?
*December 6, 2009*

**algebra**

I think I came up with the right answer. -17
*December 6, 2009*

**algebra**

Can someone please help me solve this? [5(1-2)-5]-[3-(3-7]
*December 6, 2009*

**Geometry**

A small farm field is a square measuring 230 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter? For this question, I came up with 920ft, 1840ft. Am I correct?
*November 22, 2009*

**Geometry**

Alonso can't decide which size pizza to order. The 10-inch cheese and sausage pizza is $7.99, while the 12-inch deluxe is $8.99. The dimensions given are the diameters of the pizzas. If he gets the 10-inch pizza, the total price will be divided among 3 people. If he ...
*November 22, 2009*

**Geometry**

The foundation for a cylindrical water tank is a cylinder 27 ft in diameter and 3 ft high. How many cubic ft of concrete are needed to build the foundation? for this problem I came up with 1716.8. 3.14*13.5*13.5*3= 1716.795 or 1716.8 Can someone let me know if this answer is ...
*November 22, 2009*

**Geometry**

I came up with 15 as the answer. 96-81=15. Is this answer correct?
*November 22, 2009*

**Geometry**

The following scores on the midterm exam in Chemistry 102 were recorded: 93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96 Find the interquartile range (IQR).
*November 22, 2009*

**Geometry**

A spherical storage tank has a diameter of 48 ft and is full of water. How many delivery trucks with cylindrical tanks measuring 8 ft in diameter and 10 ft long can be completely filled from the storage tank?
*November 22, 2009*

**Geometry**

16.2
*November 22, 2009*

**Geometry**

i keep coming up with 67.8. I don't know what I'm doing wrong. 4/3*3.14*16.2=67.8
*November 22, 2009*

**Geometry**

A spherical dog toy has a radius of 5.4 cm. Find the volume.
*November 22, 2009*

**Geometry**

A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?
*November 22, 2009*

**Geometry**

Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with a embroidery of a Great Pyrenees dog on the front. There are fixed costs of $650 to set up for production, and variable costs of $40 per jacket. Find an equation that can be used to determine the ...
*November 22, 2009*

**Geometry**

If each angle of a regular polygon measures 150°, how many sides does it have?
*November 22, 2009*

**Geometry**

How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed.
*November 22, 2009*

**Geometry**

Williamston Daily is a new daily newspaper. When they first started printing three years ago they had 5700 home delivery subscribers. The number of subscribers increases by 67 every month. Write an equation that shows the relationship between the number of subscribers, B, and ...
*November 22, 2009*

**Geometry**

How many triangles are formed in a regular polygon with 13 sides?
*November 18, 2009*

**Geometry**

13) A train must cover a distance of 2398 miles. The velocity, in miles per hour, of the train is 2398/t where t is the time, in hours, to complete the trip. If the train completes the trip in 22 hours, what is its velocity?
*November 16, 2009*

**Geometry**

Give the equation of the line that passes through (-5,-1) and is parallel to the line y=-1/4x
*November 15, 2009*

**geometry**

Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure?
*November 1, 2009*

**Geometry**

A small farm field is a square measuring 230 ft on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter? I came up with 920ft,840ft.
*October 29, 2009*

**geometry**

The perimeter of a square is 12 in. What is the area of the square?
*October 29, 2009*

**geometry**

How many liters are contained in a cube with each edge 1 m? a. 0.01 b. 10 c. 100 d. 1,000
*October 29, 2009*

**geometry**

So it would be $4/500g because $4/1/2kg * 2/2= $8/1kg. $8<$9
*October 28, 2009*

**geometry**

If you were buying nuts, would you rather pay $9/kg or $4/500g?
*October 28, 2009*

**geometry**

230cm
*October 28, 2009*

**geometry**

2m 300mm = ____ cm
*October 28, 2009*

**geometry**

True or false? In every triangle, the centroid, incenter, and circumcenter are collinear.
*October 18, 2009*

**geometry**

Thanks!!!
*October 14, 2009*

**geometry**

What is the centroid of a triangle?
*October 14, 2009*

**math**

Estimate the number of personally constructed greeting cards possible at a machine if there are 12 designs, 30 messages, 18 closings, and 10 different paper stocks on which to print the card. Indicate how you made your estimate. How valid was your estimate
*October 9, 2009*

**math**

Sorry I did not include the fractions. A student asks, “What’s wrong with the argument that the probability of rolling a double 6 in two rolls of a die is 1/3 because 1/6 + 1/6 = 1/3? ”Write an explanation of your understanding of the student’s misconception.
*October 9, 2009*

**math**

Can someone help me explain this misconception? A student asks, “What’s wrong with the argument that the probability of rolling a double 6 in two rolls of a die is because ” Write an explanation of your understanding of the student’s misconception.
*October 9, 2009*

**math**

How many batting lineups of the nine players can bemade for a baseball team if the catcher bats first, the shortstop second, and the pitcher last?
*October 9, 2009*

**math**

Can someone please help me with this problem also? A study of motor vehicle rates in the 50 states reveals that traffic death rates (deaths per 100 million motor vehicle miles driven) can be modeled by the normal curve. The data suggest that the distribution has a mean of 5.3 ...
*October 9, 2009*

**math**

Is the answer 5%?
*October 9, 2009*

**math**

The mean systolic blood pressure of adult males is normally distributed with a mean of 138 (millimeters of mercury) and a standard deviation of 9.7. What percent of adult males have blood pressure between 161.28 and 164.9?
*October 9, 2009*

**math**

Thanks
*October 9, 2009*

**math**

Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game?
*October 9, 2009*

**math**

Thanks alot!!!
*October 9, 2009*

**math**

This is a confusing problem to me also, can someone please help me? What are the odds in favor of getting at least one head in three successive flips of a coin?
*October 9, 2009*

**math**

I am still confused on this one, can someone please help?
*October 9, 2009*

**math**

Is the answer 13/50?
*October 9, 2009*

**math**

Can someone please help me solve this? What are the odds in favor of drawing a spade and a heart?
*October 9, 2009*

**geometry**

List the first seven terms of the Fibonacci sequence.
*October 8, 2009*

**math**

Suppose that an experiment has four possible outcomes: A, B, C, and D. If P(A) = P(B) = P(C) and P(D) = 2P(A), what is the probability of each event? Is the answer: P(A) = P(B) = P(C) =1/4, P(D) =1/2
*October 3, 2009*

**math**

Could someone please help me with this problem? The semester point totals of 16 students are listed below. Find the interquartile range (IQR). 787 639 820 677 475 601 531 650 583 684 875 507 599 460 543 490
*October 3, 2009*

**math **

Is it 46.3?
*October 1, 2009*

**math **

Find the variance for the given data. (-2, -2, 11, -7, 3)
*October 1, 2009*

**math **

Oh Ok, I understand the question now. Thanks a lot!
*October 1, 2009*

**math **

Over the past two weeks, Jane earned $292 and $193 respectively, at her part time job. What must she earn in the third week to bring her three-week average earnings to $200 per week?
*October 1, 2009*

**math**

The same car at three different dealerships had a median price of $14,833.02. The mean price was $14,544.43 and the range of prices was $1476.24. What were the three prices?
*October 1, 2009*

**math**

A calculator requires a keystroke assembly and a logic circuit. Assume that 83% of the keystroke assemblies and 92% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory. Assume independence of keystroke assemblies and ...
*October 1, 2009*

**math**

5/13
*October 1, 2009*

**math**

Is the answer 6/13?
*October 1, 2009*

**math**

I think I have it! Is it 11/26?
*October 1, 2009*

**math**

Each letter of the alphabet is written on a separate piece of paper and placed in a box. Find the probability of drawing a vowel, {a, e, i, o, u}, or a letter in the word "segments"?
*October 1, 2009*

**math**

Thanks
*September 30, 2009*

**math**

Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that both are spades if the first card drawn was a spade?
*September 30, 2009*

**math**

A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?
*September 30, 2009*

**math**

Thank you!!!
*July 26, 2009*

**math**

For lunch, Jamie bought a 8-inch submarine sandwich. What fraction of a foot was Jamie's sandwich? (1 foot = 12 inches) I came up with 2/3, am I correct?
*July 26, 2009*

**math**

Thanks a lot!!!
*July 26, 2009*

**math**

It is 9/(x+8). The problem reads 5 over x equals 9 over x plus eight.
*July 26, 2009*

**math**

For this problem, 5/x=9/x+8, I came up with 10. Is this the correct answer?
*July 26, 2009*

**math**

Erika spent 5/6 hr on her computer visiting the history channel and the discovery channel websites. She spent 1/5 hr at the history channel website. How many hours did she spend at the discovery channel website? I came up with 19/30 hr. Am I correct?
*July 26, 2009*

**math**

All U.S. Presidents have come from the original 48 states. No person from Alaska can be President. Is this deductive or inductive reasoning? I am very confused about this one.
*July 25, 2009*

**math**

June made an initial deposit of $5000 in an account for her son. Assuming an interest rate of 7% compounded quarterly, how much will the account be worth in 11 years? Round to the nearest cent. Can someone help me with this problem?
*July 24, 2009*

**math**

Can someone help me with this problem? Solve the proportion. 5/x = 9/x+8
*July 24, 2009*

**math**

I divide 3945/4386=0.89, then I just rounded to 1%.
*July 15, 2009*

**math**

In one year, the Dow Jones Industrial Average increased from 3,945 to 4,386. What percent increase does this represent to the nearest tenth of a percent?
*July 15, 2009*

**math**

I got 4.6.
*July 15, 2009*

**math**

I really don't understand how to work this problem.
*July 15, 2009*

**math**

x/3=14/1 1x/1=42/1 x=42
*July 15, 2009*

**math**

A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?
*July 15, 2009*

**math**

Thanks!
*July 15, 2009*

**math**

30000*10%= 3000 30000-3000=27000 30000+10%=33000 30000+20%=36000 In two years, his salary will be $36,000.
*July 15, 2009*

**math**

Allen was earning $30,000 working for a small business. The business had a bad year, and Allen was asked to take a 10% cut in pay with the assurance that he would receive a 10% increase in salary the following year. If Allen agreed, what would be his salary in 2 years?
*July 15, 2009*

**math**

Is it Alaska, New York, Connecticut, and Hawaii?
*July 15, 2009*

**math**

The Nursing Home Problem. Suppose that the cost of nursing homes (per year) for the following states is as follows for 2004: Alaska: $165,000 Connecticut $95,000 Hawaii $85,000 New York $110,000 If each state had a $10,000 cost increase since 1994, rank order the states in ...
*July 15, 2009*

**math**

Here is the table: Year 6% Compounded daily 7% simple 1 $1,061.83 $1,070.00 2 $1,127.49 $1,140.00 3 4 5 6 7 8 9 10
*July 15, 2009*

**math**

the car that goes 340 miles on 10 gallons
*July 15, 2009*

**math**

Thank You!
*July 15, 2009*

**math**

Is it 1.14%?
*July 15, 2009*

**math**

You are correct! I multiplied 28,000 instead of 28,800.
*July 15, 2009*

**math**

Is it $24,773?
*July 15, 2009*

**Medical terminology**

the process of recording a picture of an artery is called?
*April 1, 2009*

**alg 2.**

Uh...I'm posting this one on gothomework.tk
*May 8, 2008*

**U.S. History**

What was the bicameral legislature exactly?
*November 7, 2007*

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