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Posts by Teresa

Total # Posts: 346

math
The height of a picture is 4.3 feet when rounded to the nearest tenth of a foot. What is the shortest possible height of the picture. Give answer to 3 decimal places

math
six bags of baseballs weigh 0.5 kilograms each. The balls are then packed into 10 boxes. What is the total mass of the six bags of baseballs? What is the mass of each box? If each box costs $1.80, how much did the boxes cost altogether?

math
5/8 divided by y/9 = 1 1/8

math
at a parade, there are "m" women and 3 times as many men as women. There are 6,352 fewer children than men. Find the number of men and the number of children respectively in terms of m. If m = 7,145, how many peole are at the parade?

Mathematics
A ship sails 50 km on a bearing of 70 degrees. How far North is it from its starting position.

math
Amber has a piece of licorie that is 10 feet long. She cuts it into three pieces for her friends. The 1st piece is 4.25 feet longer than the second piece. The 3rd piece is 2.24 feet longer than the second. How long is the 3rd piece?

math
Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?

math
ned folded a set of origami figures. Of this set, 5/8 are cranes and 1/6 of the remainder are frogs. The rest are grasshoppers. What fraction of the origami figures are grasshoppers?

math
Ben sells 7/12 of the pottery he made. Of the remaking pottery, 3/5 are vases and the rest are bowls. What fraction of all the pottery is the unsold bowls?

math
Mrs. Kong uses 1/3 of a stick of butter in a pie. She uses 5/8 of the remaining butter in a cake. What fraction of the stick of butter is left

math
justin spends 7/9 of his homework time on math and social studies. He spends 4/7 of this time on math. What fraction of the total time does he spend on social studies?

math
maggie has 20 ribbons. Of them, 2/5 are polka dotted ribbons. How many ribs are not polka-dotted?

math
there are six different kinds of fruit pies in a baker. Each pie is the same size and is cut into 8 equal slices. Mr. Javier buys a slice of each pie. How many pies did Mr. Javier buy altogether

mixed numerals
Yesterday, Joe's Snack Shack went through 8 bottles of ketchup. If they used 1/5 as much mustard as ketchup, how many bottles of mustard did they go through?

math
1 1/3

math
On Friday, Steven sold 4 pitchers of lemonade from his lemonade stand. On Saturday, he sold 1/3 as much lemonade as on Friday. How many pitchers of lemonade did Steven sell on Saturday?

American Government
These are all correct! Thank you

math
what is 8/9 - 17/54

algebra
How do I work out what the x and y equal in this equation: 4 over x plus 5 over y equals 21

Income tax
Steve and Sue are married with three dependent children. Their 2015 joint income tax return shows $389,000 of AGI and $60,000 of itemized deductions made up of $30,000 of state income taxes and $30,000 of charitable contributions.

math
James is painting his 10 by 8 foot bedroom wall that contains a 2 by 3 foot window. How many square feet of wall does he need to paint

math
lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seeds than radish seeds. How many radish seeds are there? How many carrot and radish seeds does Lily plant?

Math
Mr. Jackson sold 3 computers in the first year. In the second year he sold 4 times as many computers. In the third year he was able to sell 6 times as many computers as the first year. How many did Mr. Jackson see in three years.

math
At a supermarket, pineapple juice sells at $1 per pint (16 oz). Greg wants to buy eighteen 40 oz cans of pineapple juice from the supermarket. How much does he have to pay altogether.

math
5x - 5y = -5 4x + 2y = 20

Physics
How much heat must be added to 1-kg of 0 degrees Celsius water to turn it into water at 50 degrees Celsius? If the water had been ice at 0 degrees Celsius, would that increase, decrease, or not change the amount of energy required?

math
michelle has some stamps. Her sister has half as many stamps as does. They have 1080 stamps in all. Home many stamps does Michelle have

math
how to write the expression 25 less than 12 groups of 15? 25-12(15)... is this correct

Maths
A rectangle has an area of 36m2 list all possible lengths of sides using while numbers it could have

Math
UB 650x 850 =552500 50x 50=2500 552500/2500=221

Algebra
A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take

Math
Complete the data set with one value so the mean of the data is 13 using numbers 10, 14, 8, 16, 12, x. X=18 Which value can you remove from new set of data so that mean is 14?

Math
-3 =8x-4y solve for y

Math
A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take

Math
What is 1/10 of 300,000?

precal
Find all solutions of the equation in the interval , 02π . =2sin2x−2cosx Write your answer in radians in terms of π . If there is more than one solution, separate them with commas.

math
find the area of a squad that has sides of length 96 inches

Math
99,900

Math
there are 100,000 narwhals only 100 of them have horns because they are males the rest are females so they don't have horns how many narwhals don't have horns :P

math
there are 8 people in a committee. each time they meet they shake hands with each other so that each person shakes everyones hand once each time they meet how many handshakes are there

math
finish the number pattern for the rule: 2n+1 3,5,... finish the number pattern for the rule: 4n+1 5,9,....

math
The mass of a box with 6 tennis balls is 2 kg 40 g. The same box with 10 tennis balls is 3 kg 160 g. What is the mass of the empty box?

stats
raffle with a grand prize $500., 2 second place prizes of $100., 4 third place prizes of $50.. the raffle offers 250 tickets for $4. each. what is probability model , the expected value of a single ticket and the target of $200.to be raised can they expect to raise this much ?

Statistics
Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection of sales tax . The sample proportion of all sales to out of state customers from samples of size 100 will vary in repeated sampling. The sampling ...

algebra
How do I work this problem? m=-3, (4,5)

math
Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got the most ice cream? ...

math
Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got the most ice cream?

math
At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut pies? What fraction of all of the baked goods at Laurita&#...

math
ABCD is a rectangle of perimeter 48cm. AB=6 cm and CD=DE. What is the length of ABCD?

Math
in figure LM = 18 ft, KM=16 ft and KN=14ft what is the area of KLM

Math
How long will it take to go three tenth of an mile going 80 miles an hour

business
what ethical social political issue might arise from using wiki

Science
How many traits are involved in a monohybrid cross? How many alleles are involved? What prevents the expression of a recessive allele? When gametes form, what happens to the alleles for each trait?

Amercan Literature
The yellow cane Alexandra finds at maries house is a symbol of

math
Carla spends 6/4 hours exercising every day for 12 days. She spends 1/2 of exercise time every day lifting weights. How much time does Carla spend lifting weights during the 12 days?

math
Alli's plant has a height of 6 meters. Rajon's plant grows 3/10 meter higher. How high does Rajon's plant grow.

math
The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans into 3 equal-weight portions. What is the weight of the beans in each portion?

math
Riley told his mom that multiplying whole numbers by multiples of 10 was easy because you just count zeros in the factors and put them in the product... 7,000 x 600 = 4,200,000 Riley's mom said this strategy will not always works? Why not? Give example

math
a jeans designer offers 5 styles of jeans in 5 different colors. How many different combinations of style and color are possible?

math
Lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seed than radish seeds. a. How many radish seeds are there? b. How many carrot and radish seeds does Lily plant?

MATH
MAYA had $2740 in play money and Emily had $3560. Maya had to give some money to Emily. After that, Emily had 4 times the amount of play money as Maya. How much money did Maya have in the end? How much money did Emily have in the end?

math
sam runs around a rectangular field 4 times a week. The field is 320 meters long and 240 meters wide. He runs 6 laps each time. What distance does he run in a week'

Cincinnati state
The perimeter of a volleyball court is 180 feet, anditswidth is 40 feet Find the length of the volleyball court

Physics
In a double-slit interference experiment, the wavelength is 500 nm, the slit separation is 0.150 mm, and the screen is 33.7 cm away from the slits. What is the linear distance between adjacent maxima on the screen?

physical science
A car is driving at an average speed of 100km/hr for 2 hours, then drives an average of 50.0km/hr for one hour. what was the average speed of the 3 hours? 100.0km/h 100.0km/h +50.0km/h =250.0km/3h 250.0km/3h divided by 3h =83.3km/h

Chemistry
At a deep-sea station 200.m below the surface of the Pacific Ocean, workers live in a highlypressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 1 × 107 L of gas at 16 atm? Assume that temperatureremains ...

Chemistry
I guess I am dumb I don't get it

Chemistry
A sample of nitrogen gas is collected overwater at a temperature of 23◦C. What is the pressure of the nitrogen gas if the atmospheric pressure is 744 mmHg? Answer in units of mmHg. Not sure of formula for this

chemistry
If the volume is 226 L at 1.7 atm, find the volume at 2.8 atm. Assume the temperature and amount of gas remain constant. Answer in units of L.

statistics
The critical Value is t=2.093 Degrees of Freedom n-1

Math
It takes Jaiden 5 and 3/4 hours to do her homework each week. It takes her 2 and 3/4 hours to complete her science and 1 and 1/2 hours to complete her math homework. How long does it take her to complete Social Studies homework? Use the numbers and symbols, listed below, to ...

Chemistry
According to his prelaboratory theoretical yield calculations, a student's experiment should have produced 1.41 g of magnesium oxide. When he weighed his product after reaction, only 1.33 g of magnesium oxide was present. What is the student's percent yield?

chemistry
Can somebody please answer my question.

Chemistry
'calculate the mass in amu of 2.879 1023 xenon atoms'

Chemistry
Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?

Chemistry
What volume will 823 mL of SO3 gas at 11 degrees celsius and 720 mm Hg occupy when the pressure is raised to 1.55atm and the temperature is raised to 81 degrees celsius?

Chemistry
A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this gas?

Chemistry
It takes 37.16 mL of 0.510 M HCL to neutralize 25.00 mL of NaOh. What is the concentration of the NaOH?

chemistry
2.9 in3 of mercury to its volume in milliliters and its mass in kilograms

chemistry
263 mL ethanol to its mass in grams

Chemistry
Figured that one out. Thank you

Chemistry
Iron has density 7.87 g/cm3. If 52.3 g of iron is added to 74.5 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise? mL

chemistry
Thank you Dr. Bob

chemistry
28.09 g of silicon contains 6.02 1023 silicon atoms. What is the mass in grams of 1.06 1025 silicon atoms? Can you help me please.

Chemistry
28.09 g of silicon contains 6.02 1023 silicon atoms. What is the mass in grams of 1.06 1025 silicon atoms?

Chemistry
Thank you

Chemistry
What would be the molarity of a solution made by dissolving 126g K3PO4 into 1500 mL of water?

chemistry
Is this correct? 3.84 mol(2 H2O/7.68)????

chemistry
Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...

Chemistry
Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...

chemistry
Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...

chemistry
Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O?

chemistry
How do I get the number of moles of H2O

chemistry
find the mass of water(H2O) needed to react with 150 grams of potassium(K)

chemistry
1/10^-8 in scientific notation

chemistry
1/10^-8 in scientific notation. I need help please.

chemistry
1/0.000015 in scientific notation. Please explain how to do this.

Chemistry
1/10e-8 in scientific notation. How do I solve this please.

Chemistry
If 525J of energy are added to a 75.5g piece of iron at 22.2 degrees celcius what is the final temperature?

Chemistry
Never mind. I got it.

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