Wednesday

July 27, 2016
Total # Posts: 554

**Statistics**

The ages of commercial aircraft are normally distributed with a mean of 13.5 years and a standard deviation of 7.3 years. What percentage of individual aircraft have ages greater than 15 years?
*July 26, 2016*

**math**

show solution. in a certain eatery, there are 5 glass racks having 24 glasses and 8 left over. The answer says there are 130 glasses in all.
*July 13, 2016*

**Algebra**

Two pipes can fill a tank in 9 hours. If the bigger of the pipes has a rate of 1 ½ times of the smaller, how long would it take each pipe to fill the tank if opened alone?
*July 13, 2016*

**Math**

Tom has twice as much money as Gabi. Harry has 3 times as much money as Tom. Harry has $120. How much money does Gabi have?
*June 8, 2016*

**Math**

If you walk5/6 mile and then jog 4/5 mile, what is the total distance covered? How much farther did you walk than jog?
*May 26, 2016*

**Math**

There are 4 children in a family, Find the probability that there is atleast 1 boy if it is equally likely to have a boy or girl?
*May 18, 2016*

**Math**

How many 4 digit numbers are greater then 7538 can be made using the digits, 0,3,5,7,8,9 without repetition?
*May 12, 2016*

**Math**

How do i express y as a function of x. Logy=1/3(logx-log27)
*April 27, 2016*

**Math**

What are the transformations of: f(x)=-log(2-x)+3
*April 27, 2016*

**Math**

The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??
*April 27, 2016*

**physics**

somebdy help
*March 14, 2016*

**physics**

A 313 μF defibrillator capacitor is charged to 4.94×103 V. When fired through a patients chest, it loses 95 % of its charge in 40 ms. What is the resistance of the patients chest?
*March 14, 2016*

**trig gauss jordan**

Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the augmented matrix. x + 2y - z = 4 -2x + y - 4z = -6 4x - 3y + 2z = -10
*March 6, 2016*

**trig help**

Find the equation of the hyperbola satisfying the given conditions. Vertices at (5, 1) and (-7, 1); asymptotes (y - 1) = 1/3(x + 1) and (y - 1) = -1/3(x + 1)
*March 6, 2016*

**statistics**

5 cards are drawn out of a regular deck without replacement; you win if you get at least one red card. What is the probability of getting at least one red card?
*February 24, 2016*

**algebra question**

Please help me on this!!! so confused The table below shows data from a survey about the amount of time high school students spent reading and the amount of time spent watching videos each week (without reading): reading video 5 1 5 4 7 7 7 10 7 12 12 15 12 15 12 18 14 21 15 ...
*February 11, 2016*

**Math**

What is the simple interest of $1500 for 4 months at 6&3/4% annual interest
*January 19, 2016*

**Math**

What is the simple interest of $1500 for 4 months at 6&3/4% annual interest
*January 19, 2016*

**Math 5th**

Toby needs to bike 3 miles a day. He rides 1 5/8 miles to school, then 1/2 to the store. how many more miles does Toby need to ride to get 3 miles. Do I Add or multiply. Help
*December 15, 2015*

**Chemistry **

Calculate the molecular weight of a gas if 16.8 g of the gas occupies 16.3 L at STP.
*December 7, 2015*

**Algebra 1 Honors**

A taxi cab charges $2.50 for the first mile and $0.35 for each quarter mile after that. Johns taxi ride to he airport was 15.75 miles. What was his fare?
*November 25, 2015*

**math**

A kangaroo weighs about 0.04 ounces at birth. Fully grown it can weigh 185 pounds. How many times as heavy as a newborn kangaroo is a fully grown adult?
*October 29, 2015*

**business law**

Frank was invited to a party at a friend’s home to watch the Super Bowl (football game). He was so disgusted with the way his team was playing that he offered to sell the first person who gave him a $1, his rare team jacket worth about $800. Jeff gave him a $1, and Frank...
*October 17, 2015*

**language**

is the noun in this sentence correct? the wealthier peoples class was called the gentry
*September 29, 2015*

**Math**

Thank you soooooomuch!
*September 18, 2015*

**Math**

It says simply this expression
*September 18, 2015*

**Math**

-12/3x(-8+(-4)^2-6)+2 How do I get the answer of:-6?
*September 18, 2015*

**grammar**

Jermaine loves applying his Learning Pattern knowledge to his relationship with his family members at home. At the kitchen table, ______ discuss how they would approach the task of remodeling the guest bathroom. a. he and his wife b. his wife and him c. his wife and himself
*August 14, 2015*

**History**

1.c 2.d 3.c 4.c 5.c???
*August 12, 2015*

**History**

I need help finding the answers! 1. Which of the following key terms has been responsible for the formation of many limestone caves in northern Georgia? (1 point)fault erosion plateau elevation 2. Which of the following regions is located in the northeastern corner of the ...
*August 12, 2015*

**physsics**

If the vehicle travelled at a speed of 88.6 km/h is now at rest, find the change in momentum for both the 68.4 kg adult driver and the 34.2 kg child passenger.
*June 25, 2015*

**Math**

Thirty one does not work. I have tried other numbers also. At a loss here
*June 1, 2015*

**Math**

Mcnisens sells mcnuggets in packages of 7, 11, and 30. What is the largest number of pieces that you cannot order from mcnisens. The answer is a keyword for playfair cipher. I came up with 50
*June 1, 2015*

**Math**

I have used this site on a number of occasions and i never receive an answer. I am just looking for guidance. Willing to work through problem
*June 1, 2015*

**Math**

I need to find the answer to this brain teaser. Mcnisens sells mcnuggets in packages of seven, eleven, or thirty. What is the largest number of pieces that yoh cannot order from mcnisens. I need it as a keyword for a playfair cipher. I have tried forty nine by adding them ...
*June 1, 2015*

**Math **

A hot air balloon with a height of 120m is directly over a bridge that is 313m from the balloon's landing point. The navigator finds the angle of depression to the landing point. Find the angle of depression.
*May 31, 2015*

**Math**

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
*May 22, 2015*

**Math**

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
*May 22, 2015*

**Math**

I don't get it.
*May 19, 2015*

**Math**

A bosu® ball in the shape of a hemisphere (half of a sphere) The diameter of the ball is 58 centimeters and is completely filled with air. How much air does the ball contain, in cubic centimeters? Round your answer to the nearest centimeter. (Use 3.14 for π.)
*May 19, 2015*

**Math**

A baseball has a diameter of 6 cm. How much air is needed to fill the baseball, in cubic centimeters? Round your answer to the nearest centimeter. (Use 3.14 for π.)
*May 19, 2015*

**Accounting **

Flip Company's December 31, 2014 trial balance is as follows: Flip Corporation Trial Balance December 31, 2014 Account Debit Credit Cash $43,500 Accounts Receivable 54,500 Allowance for Doubtful Accounts 500 Notes Receivable 30,000 Merchandise Inventory 55,000 Land 20,000...
*May 9, 2015*

**Reading**

I just need clarification on it
*May 4, 2015*

**Reading**

In both "Miracles" and "in Just—," the poets use images that appeal to the senses. In a paragraph, compare the use of imagery in the two poems. First, present images in each poem that appeal to the senses of sight, sound, and touch. Then, state at ...
*May 4, 2015*

**Social studies**

#3 is A?
*April 24, 2015*

**Social studies**

ty
*April 24, 2015*

**Social studies**

My answers: C A B A A B A
*April 24, 2015*

**Social studies**

1. Which word best describes modern life for Japanese teenagers such as Asuka? relaxed crowded isolated traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3. Which of Japan's islands has the largest level area? Hokkaido Honshu ...
*April 24, 2015*

**Math**

A 1965 U.S. half dollar contains 2/5 ounce of silver. How many ounces of silver do 100 of those coins contain?
*April 13, 2015*

**LA**

William Shakespeare died in early 1600's did he not so what is your thought on that
*February 19, 2015*

**LA **

When did William Shakespeare live? A. in the late fifteenth and early sixteenth century b. in the late sixteenth and early seventeenth century c.in the late seventeenth and early eighteenth century Answer A 2. Which is NOT one of the differences between literary works and ...
*February 19, 2015*

**math**

At Sunny;s Smoothies 2/5 of the smoothies are made with citrus fruit and the rest are made with berries.1/8 of the berry smoothies contain bananas.What fraction of all the smoothies are berry banana?
*February 14, 2015*

**physics**

In state-of-the-art vacuum systems, pressures as low as 1.00 10-9 Pa are being attained. Calculate the number of molecules in a 1.80-m3 vessel at this pressure and a temperature of 31.0°C.
*December 13, 2014*

**physics**

The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior pressure and exterior pressure. When the tank is full of oxygen (O2), it contains 10.0 kg of the gas at a gauge pressure of 43.0 atm. Determine the mass of oxygen that has ...
*December 13, 2014*

**physics**

In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (−78.5°C ) and in boiling pentane (36.1°C). The separate pressures are 0.896 atm and 1.433 atm. Hint: Use the linear relationship P = A + BT, where A and B are constants. What ...
*December 13, 2014*

**Chemistry**

4P + 50_2 ---> 2P205 25.4g of P are used with excess 02 how many grams of p205 should theoretically form I have no idea where to start im lost
*November 25, 2014*

**math**

I need to figure coupon code. Code is 5 43000 18670 6. Do i subtract the 5 or add?
*November 16, 2014*

**Physics**

A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 5.40 m/s at the bottom of the rise. ...
*November 1, 2014*

**statistics**

For two events, C and D, P(C)=.16 and P(D)=.18 If C and D are independent events, then find P(D intersect C) and P(C given D) and P(D U C)
*October 19, 2014*

**Math (money)**

Brianna spent 1/6 of her money on a movie and $9 on dinner. If she had $16 left, how much money did she spend altogether?
*September 28, 2014*

**math**

Moot
*September 21, 2014*

**math**

Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and no ... number and no stuffed animals ...
*September 17, 2014*

**Math**

21 cm
*September 16, 2014*

**calculus **

Verify Clairaut's theorem for u=ln(x^(2)-y^(2)).
*September 8, 2014*

**Corporate Finance**

Avicorp has a $14.3 million debt issue outstanding with a 6.1% coupon rate. The debt has semi-annual coupons. The next coupon is due in six months and the debt matures in five years it is currently priced at 95% of par value a) What is Avicorp's pre-tax cost of debt? Note...
*June 28, 2014*

**Corporate Finance**

Avicorp has a $14.3 million debt issue outstanding with a 6.1% coupon rate. The debt has semi-annual coupons. The next coupon is due in six months and the debt matures in five years it is currently priced at 95% of par value a) What is Avicorp's pre-tax cost of debt? Note...
*June 23, 2014*

**Chemistry**

5.2K
*April 27, 2014*

**PreCalculus**

State the Vertical Asymptote, Horizontal Asymptote, domain, range, x intercept and y intercept for the following Function. y= (5-x)/(x+3) I already know that the Vertical asymptote is -3, so that means the domain is everything except -3, but how do I find the Horizontal ...
*April 8, 2014*

**American History**

Thanks. :)
*April 7, 2014*

**Statistics**

Thank you
*March 27, 2014*

**Statistics**

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...
*March 27, 2014*

**Statistics**

Thank you! That is a lot of help!!
*March 27, 2014*

**Statistics**

8.Using the following statistics to describe a distribution of data, what is the interquartile range? Minimum = 13 Q1 = 25 Median = 54 Q3 = 72 Maximum = 98 25. 12. 85. 47.
*March 27, 2014*

**Statistics**

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,253; 5,578; 6,406; 7,334; 8,728; 11,298; 15,182. What is the annual arithmetic mean number of degrees awarded? About 9,120 ...
*March 27, 2014*

**Statistics**

Thank you so much!!!
*March 27, 2014*

**Statistics**

A stockbroker placed the following order for a customer: • 50 shares of Kaiser Aluminum preferred at $100 a share • 100 shares of GTE preferred at $27.20 a share • 20 shares of Boston Edison preferred at $12.20 a share What is the weighted arithmetic mean price ...
*March 27, 2014*

**Statistics**

Thanks again!!
*March 27, 2014*

**Statistics**

The distribution of a sample of the outside diameters of PVC gas pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 11.0 inches, and the standard deviation is 2.0 inches. About 68 percent of the outside diameters lie between what two amounts? 8....
*March 27, 2014*

**Statistics**

Thank you
*March 27, 2014*

**Statistics**

The following are the weekly amounts of welfare payments made by the federal government to a sample of six families: $143, $138, $132, $136, $145 and $136. What is the range? $24 $9 $13 $0
*March 27, 2014*

**Math**

This number is less than 200. The ones digit is 5 less than 10. The tens digit is 2 more than the ones digit. What is the number?
*March 17, 2014*

**S.S (DAMON)**

So Dalia how did you do
*March 13, 2014*

**math**

find the cost of cementing a driveway that is 900 cm wide by 1600cm long by 3 cm thick. The price per cubic centimeter is $5.20.
*March 5, 2014*

**Math**

How much farther do you ride in one turn of a merry-go-round if you sit in the outside lane, 21 feet from the center, than if you sit in the inside lane, 14 feet from the center?
*February 24, 2014*

**PHYSICS**

6. Drag-race tires in contact with an asphalt surface have a very high coefficient of static friction. Assuming a constant acceleration and no slipping of tires, estimate the coefficient of static friction needed for a drag racer to cover 2.1 km in 8 s, starting from rest. ...
*February 23, 2014*

**Math**

The diameter is 6 2/5 ft. What is the area
*February 23, 2014*

**8th grade science **

How many (total) of each atom are there in the reactants and the products of cellular respiration? PLEASE HELP ME
*February 23, 2014*

**physics**

A force of 48 N is required to start a 7.8 kg box moving across a horizontal concrete floor. (a) What is the coefficient of static friction between the box and the floor? \mu_s = (b) Does the coefficent of friction have a unit? A. No, it is a ratio B. No, the units are not ...
*February 21, 2014*

**PHYSICS**

You shoot your potato gun horizontally from shoulder height, which is 190 cm. The potato lands 15 m away from you. You would like the potato to go 90 m, so you climb up a ladder and fire the gun horizontally from there. How high over the ground must the gun be?
*February 15, 2014*

**Science**

Alternating current going into a transformer has 200 volts. The current coming out has 20 volts. How many loops of wire might each coil have?
*February 6, 2014*

**Chemistry**

How many moles of dichloromethane (CH2Cl2) would be produced if we doubled the amount of chlorine, but still had the same amount of ethene (C2H4) available in the reaction?
*February 4, 2014*

**writing**

I would like to write about the death of my brother but I need to come up with a thesis and I am suck on that can you please help me
*January 28, 2014*

**Consumer Math**

The quoient of 5/31 divided by 15/23 , reduced to lowest fraction is B. 23/93 C. 75/373 D. 93/23 or 4 1/23 I choose D
*January 28, 2014*

**American History**

In Jefferson's view, George Washington's action in addressing the Whiskey Rebellion A. amounted to an inappropriate overreaction. B. was appropriate but not sufficiently bold. C. wouldn't have been necessary save for the influence of Republican clubs. D. was a ...
*January 28, 2014*

**Consumer Math **

2. Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 1/4, 3/4, 7/4 B. 1/32, 3/32, 7/32 C. 4/8, 6/8, 14/8 D. 8/16, 3/16, 14/16 A
*January 27, 2014*