O

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

Questions

The following questions were asked by visitors named O.

the number sacks necessary for a 4inch sidewalk 6ft wide and 27ft long at 6 sacks of cement per cubic yard of concrete is?
13 years ago
if iron weighs 0.25lbs. per cubic inch, an iron bar 8'6" by 4" by 1/2" weighs?
13 years ago
How would you solve these questions using Trigonomic Identities? sin^2x = tan^2x/1+tan^2x sinx+cosx/tanx = 1/cosxtanx
12 years ago
How do you find the derivative of y=5sin(-x)
11 years ago
The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of solid lithium perchlorate (LiClO4) to make oxygen and lithium chloride (LiCl): LiClO4 (s)  2O2 (g) + LiCl (s) If you have 500...
10 years ago
Solve each equation on the interval [0, 2pi): a. 4sin^2(x)-3=0 b. cos(3x)=-1
10 years ago
Evaluate the expressions a. arctan(-(sqrt3)) b. Arctan(-(sqrt3)) and tell the difference between the two...
10 years ago
Which was one objection of the ayatollahs to the rule of the shah of Iran? reduced influence of religion on the government women did not have enough opportunities insufficient acceptance of all people redistribution of wealth across the population
10 years ago
Use De Moivre's Theorem to write the complex number in trigonometric form (cos(2pi)/7)+ i sin((2pi)/7))^5
10 years ago
Calculate the modulus and argument of each: a. 1 + i b. √3 + i c. -2i d. -5 e. -5 + 5i f. 7√2 + 7i g. -3 -4i
10 years ago
Katherine spends 7 h a day in school. This includes a 30 min lunch break each day. a) Write a ratio that compares the time for her lunch break with the total time she spends at school each day. b) Write a ratio that compares the time for her lunch breaks...
9 years ago
As you travel through space, you find yourself moving into regions of ever-higher voltage. You are traveling . . . A) perpendicularly to the electric field. B) in exactly the same direction as the electric field. C) in a region with no electric field. D)...
7 years ago
An airplane has an airspeed of 400 km and is heading due west. If it encounters wind blowing north at 120 km/h, how many degrees north from west is the resultant velocity of the plane?
5 years ago
An ionic hydrate has the formula Pb3(PO4)4 • xH2O. The total mass of the hydrated ionic compound is 18.3g. After analysis, it was found that the anhydrous compound had a mass of 17.36g. What is the complete formula for this hydrated compound?
4 years ago
Please help! I tried to answer the question below and couldn't figure out the steps I needed to follow: When 17.981g of AgNO3 reacts with 15.70g of water vapour and 12.71g of nitrogen monoxide, solid silver and nitric acid are produced. Answer the followi...
4 years ago
Calculate the rms speed of gaseous I2 molecules at 23°C and 1.00 atm. What is the rms speed of gaseous I2 at 23°C and 1.60 atm?
4 years ago
In an electrolysis experiment a student passes the same quantity of electricity through two electrolytic cells containing silver and gold salts, respectively. Over a certain period of time she finds that 2.64 grams of Ag and 1.61 grams of Au are deposited...
3 years ago
Use the equation y−6=x/4 to fill in the missing values in the table below x y 32 14 12 0 4 -3
3 years ago
A molecule of Ethanol has two carbon atoms six hydrogen atoms and one oxygen Adam a ball and stick model of a molecule of ethanol Is made from the following components one Redball two black balls six white balls 8 sticks what did the black balls in the mo...
3 years ago
Which of the following choices names three natural disasters
3 years ago
The area of Greenland is 840,000 mi.² what is the number in scientific notation
3 years ago
What is the product of (5.1 x 10^3) x (3.2 x 10^3) please express your answer in scientific notation
3 years ago
Please express your answer in a scientific notation (6.0 x 10^5) x (3.0 x 10^4) =
3 years ago
Suppose 10 atoms of carbon react with 20 atoms of oxygen to form 10 molecules of carbon dioxide according to the law of conversation of matter how many atoms are present in this reaction
3 years ago
Squared 256=
3 years ago
Squares and square roots
3 years ago
Which of these numbers can be classified as both real and rational
3 years ago
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products
3 years ago
Which two square roots are used to estimate eight square root
3 years ago
A gardener moves 5 kilograms bag of soil at an average acceleration rate of 4 m / s to her flower bed , a distance of 5 meters . How much work does the gardener do ? Equations Distance , Force mass Wofk = Forcex acceleration
2 years ago
30 Zinc 65.39 atomic number atomic mass number of protons number of neutrons and number of electrons
1 year ago
Question Use the ratio 1,000 grams = 1 kilogram. How many grams are equal to 2.75 kilograms?(1 point)
1 year ago
Which of the following economic changes did the Soviets make to Russia? (1 point) Responses collectivizing farms and industrializing collectivizing farms and industrializing eliminating poverty and shortages eliminating poverty and shortages allowing serf...
1 year ago
Question Besides natural gas and oil, what other natural resource is found in Central Asia and the Caucasus? (1 point) Responses minerals minerals timber timber diamonds diamonds tobacco
1 year ago
Since the breakup of the Soviet Union, people in the Caucasus and Central Asia have experienced a new way of life. Which statement reflects one of these changes? (1 point) Responses In Uzbekistan, protests resulted in a president removed from power and a...
1 year ago
An effect of the Green Revolution was the Choose
1 year ago
Parts of the cell membrane fill with water and pinch off to become vacuoles inside the cell. Passive or Active Transport: Name of transport:
1 year ago
Complete each phrase to state the meaning of the expression m−3. 3 _____ a number A number _____ by 3 3 _____ a number
1 year ago
Which expression best represents the product of two consecutive integers? 2x+1 2x(x−1) x(2x) x(x+1)
1 year ago
Meghan has y dollars. Joseph has half as much money as Meghan. Which expression represents the amount of money Joseph has? 2+y y÷2 x÷2 y×2
1 year ago
Which answer choice is not the same as the others? CLEAR CHECK A number added to itself two times Triple a number A number increased by 3 A number multiplied by 3
1 year ago
Dinh has x coins in his collection. Margaret has 4 times the amount as Dinh. Which expression represents the amount of coins Margaret has in her collection? 4−x x+4 4x x÷4
1 year ago
Which expression represents 6 divided by an unknown number? 6−n 6÷n n÷6 6×n
1 year ago
Which expression does NOT have a value of 6? A 3 + (7 × 2) − 113 + (7 × 2) − 11 B (8 ÷ 4) + (2 × 2)(8 ÷ 4) + (2 × 2) C [4 − (8 − 7)] × 2[4 − (8 − 7)] × 2 D 2 × [(2 + 5) − 3]
1 year ago
Daniel is playing a video game. He has 7,985 points at the end of round one, then the following events happen, in order: He doubles his points. He loses 3,500 points. He earns 4,972 additional points. The game ends. Which expression could represent the nu...
1 year ago
Penelope is saving up to purchase a new bike that costs R dollars. She has a 10% off coupon. Which expression represents the total cost of the item, in dollars, after the discount has been applied? (choose 2) A 0.90R0.90 R B 0.10R0.10 R C 1 – 0.10R1 – 0.1...
1 year ago
Which expressions are equivalent to 5x − 8x + 12y? (choose 3) A 3(x - 4y)3( x - 4 y ) B 3(-x + 4y)3(- x + 4 y ) C -3x + 12y-3 x + 12 y D -3(x - 4y)-3( x - 4 y ) E -3(-x + 4y)
1 year ago
Which three statements describe the expression 2w + 6? A The expression represents 2w increased by 6.The expression represents 2 w increased by 6. B The expression represents w + w + 6.The expression represents w + w + 6. C The expression represents twice...
1 year ago
Which expression can be used to find the value of n in the table? A 15 ÷ 215 ÷ 2 B 15 + 715 + 7 C 15 - 7 15 - 7 D 15 × 2
1 year ago
Solve the system of equations 12x-5y=-20 Y=x+4 X= 6=
1 year ago
Solve the system of equations 12x-5y=-20 Y=x+4 X= Y=
1 year ago
Solve the system of equations -4x+11y=15 Y=2y X= Y=
1 year ago
What is one campaign finance law that may influence the political process in the United States? (1 point)
1 year ago
A 12-year-old student gets only a few hours of sleep each night. She continues this schedule for several weeks. Which health effect is the girl most likely to experience from this lack of sleep?
1 year ago
A 12-year-old student gets only a few hours of sleep each night. She continues this schedule for several weeks. Which health effect is the girl most likely to experience from this lack of sleep? A. more hunger B. higher immunity C. feeling more alert D. b...
1 year ago
A 13-year-old girl gets six hours of sleep one night. She rests for 15 minutes each night before bed. How does this compare to the sleep and rest recommendations for teenagers? A. She is meeting only her sleep recommendations. B. She is meeting only her r...
1 year ago
Use the sentence to answer the prompt. He read that "it took more than two years. for the case to tried in court and a verdict to be reached." In 1-2 sentences, explain if the ellipsis is used in the paragraph to indicate a pause or an omission. Use detai...
1 year ago
What similarities exist between Virginia’s economy and the global economy? Select all that apply. A. Both economies involve more imports than exports. B. Services make up the largest portion of both economies. C. The United States dollar is the currency o...
1 year ago
Which is the best ending for the sentence?(1 point) Living plants are an important part of Earth’s A. Energy balance B. Water storage C. Water cycle
1 year ago
Which word best completes the sentence? Without water, life on Earth would be _________ .. A. Abundant B. Unlikely C. Impossible D. Different
1 year ago
Which is the best ending for the sentence?(1 point) Most of Earth’s fresh water is A. Frozen in ice B. In living organisms C. In groundwater D. Stored in the atmosphere
1 year ago

Answers

The following answers were posted by visitors named O.

12 sacks
13 years ago
1.15*10^15
12 years ago
Find the 80th percentile of the distribution of fly balls
9 years ago
Keyword search
8 years ago
1111001111100000
7 years ago
Are you 100% sure?
5 years ago
Isksooppppw As
5 years ago
ITS BBB
5 years ago
It would be great if someone could answer this question as I am not sure what steps to follow, thank you!
4 years ago
its just the same ratio multiplied by the number they give you
4 years ago
oop this is from 2016 lol
4 years ago
2+2/3 ounces
4 years ago
bruh we helping each other thank homie
4 years ago
Poppy it correct except number 2 is not finally it's as a result
4 years ago
It's D they
4 years ago
11
3 years ago
1-D 2-B 3-A 4-C 5-C
3 years ago
I was told it’s somber?
3 years ago
Dollars
3 years ago
75
3 years ago
Per Sys Sal Us Wo
3 years ago
ON MY GOOD at LALAalalALalALl IS a corRECTA!@@@!@!@😍😍😍😍🗿🗿🗿🗿💀💀🤨🤨🥶🥶🤤🤤🤨😤😭🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🤓🍌🗿💀💀💀
2 years ago
Bro we can help you with quizzes and quick checks and unit test questions that are not type questions but we can't help you with portfolios.
2 years ago
Correct
2 years ago
Why is school hard?
2 years ago
Why is school so easy?
2 years ago
Can you help with french?
2 years ago
Can you help with Chinese?
2 years ago
How long can a pigeon live?
2 years ago
How long can a human live?
2 years ago
Write a 5 paragraph essay explaining why do you wear a face mask during the covid pandemic?
2 years ago
Write a 5 paragraph essay explaing why you no longer wear a face mask? Is covid over?
2 years ago
Bot, its my assignment. Please just write the essay.
2 years ago
When was the last time Muscoy, California had an earthquake?
2 years ago
Where is Muscoy located?
2 years ago
Bot, that is not correct. Muscoy is indeed a community but is part of the county of San Bernardino not the city.
2 years ago
Yes Bot now you got it.
2 years ago
Where is Tototlan located?
2 years ago
Can anybody help me with this question? Consider points A to F shown on the coordinate plane. A graph is shown in the xy-plane. The values on the x-axis ranges from negative 8 to 8 in increments of 2 and the values on the y-axis ranges from negative 8 to...
2 years ago
Thx
2 years ago
Hi bot. Can you also help me with this? Provide the reflected ordered pair for each of the given ordered pairs. Reflect the ordered pair ( − 4 , 5 ) across the y-axis Reflect the ordered pair ( 0 , 3 ) across the x-axis
2 years ago
Clown bot can you give me a good laugh I failed the test
1 year ago
Use the image to answer the question. An illustration shows two triangles positioned differently. The first triangle has its longest side along the baseline. The second triangle has its longest side in the upper left, and the triangle is tilted upward to...
1 year ago
Wrong
1 year ago
Your 100% right
1 year ago
anonymously is 100% correct
1 year ago