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Questions (135)

the number sacks necessary for a 4inch sidewalk 6ft wide and 27ft long at 6 sacks of cement per cubic yard of concrete is?
1. 4 answers
2. 426 views
if iron weighs 0.25lbs. per cubic inch, an iron bar 8'6" by 4" by 1/2" weighs?
1. 1 answer
2. 376 views
How would you solve these questions using Trigonomic Identities?sin^2x = tan^2x/1+tan^2x sinx+cosx/tanx = 1/cosxtanx
1. 1 answer
2. 444 views
How do you find the derivative ofy=5sin(-x)
1. 1 answer
2. 475 views
The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of
1. 3 answers
2. 1,147 views
Sarah used her calculator to find sin125 degree. She wrote down sin125 degrees = -.57. How could Sarah recognize that her answer
1. 3 answers
2. 2,887 views
The Russian Mir space station used a chemical oxygen generator system to make oxygen for the crew. The system ignited a tube of
1. 3 answers
2. 1,733 views
Propane gas (C3H8) burns completely in the presence of oxygen gas (O2) to yield carbon dioxide gas (CO2) and water vapor (H2O).W
1. 3 answers
2. 1,569 views
Solve each equation on the interval [0, 2pi):a. 4sin^2(x)-3=0 b. cos(3x)=-1
1. 3 answers
2. 785 views
Evaluate the expressionsa. arctan(-(sqrt3)) b. Arctan(-(sqrt3)) and tell the difference between the two...
1. 1 answer
2. 424 views
Which was one objection of the ayatollahs to the rule of the shah of Iran?reduced influence of religion on the government women
1. 5 answers
2. 2,653 views
Use De Moivre's Theorem to write the complex number in trigonometric form(cos(2pi)/7)+ i sin((2pi)/7))^5
1. 3 answers
2. 1,634 views
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
1. 1 answer
2. 441 views
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
1. 5 answers
2. 1,589 views
As you travel through space, you find yourself moving into regions of ever-higher voltage. You are traveling . . .A)
1. 1 answer
2. 702 views
As you travel through space, you find yourself moving into regions of ever-higher voltage. You are traveling . . .A)
1. 3 answers
2. 988 views
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
1. 3 answers
2. 1,876 views
An ionic hydrate has the formula Pb3(PO4)4 • xH2O. The total mass of the hydrated ionic compound is 18.3g. After analysis, it
1. 3 answers
2. 645 views
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
1. 4 answers
2. 464 views
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?
1. 3 answers
2. 521 views
In an electrolysis experiment a student passes the same quantity of electricitythrough two electrolytic cells containing silver
1. 4 answers
2. 613 views
Use the equation y−6=x/4 to fill in the missing values in the table belowx y 32 14 12 0 4 -3
1. 1 answer
2. 200 views
True or false an individuals self-esteem stays the same throughout their life
1. 1 answer
2. 148 views
A molecule of Ethanol has two carbon atoms six hydrogen atoms and one oxygen Adam a ball and stick model of a molecule of
1. 3 answers
2. 281 views
Which of the following choices names three natural disasters
1. 1 answer
2. 157 views
Of the following who emerged as a strong leader and organizer of colonial protest and public support
1. 1 answer
2. 137 views
The area of Greenland is 840,000 mi.² what is the number in scientific notation
1. 1 answer
2. 76 views
Which of the following is greater than 4.3x 10^9
1. 1 answer
2. 56 views
What is the product of (5.1 x 10^3) x (3.2 x 10^3) please express your answer in scientific notation
1. 1 answer
2. 108 views
Please express your answer in a scientific notation (6.0 x 10^5) x (3.0 x 10^4) =
1. 1 answer
2. 60 views
Which two groups of elements in the periodic table are most reactive
1. 4 answers
2. 439 views
Suppose 10 atoms of carbon react with 20 atoms of oxygen to form 10 molecules of carbon dioxide according to the law of
1. 3 answers
2. 692 views
Squared 256=
1. 1 answer
2. 51 views
What is the square root of 169
1. 1 answer
2. 67 views
Squares and square roots
1. 1 answer
2. 78 views
Which of these numbers can be classified as both real and rational
1. 1 answer
2. 80 views
In which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products
1. 5 answers
2. 475 views
Why did Thomas Paine write the pamphlet common sense?
1. 5 answers
2. 396 views
Which two square roots are used to estimate eight square root
1. 1 answer
2. 53 views
Which two square roots are used to estimate five square root
1. 1 answer
2. 48 views
For science project Sarah has been instructed the test for different methods of slowing down the rate of tennis ball falls from
1. 1 answer
2. 115 views
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 .
1. 2 answers
2. 102 views
30Zinc 65.39 atomic number atomic mass number of protons number of neutrons and number of electrons
1. 1 answer
2. 19 views
Shardell and Marsha are planning a party. Since they are both hosting, they have agreed to split the cost for everything in
1. 1 answer
2. 97 views
QuestionKrisha has a chocolate Labrador retriever named Sam. She believes her dog weighs 60 pounds. Sam’s actual weight is 75
1. 1 answer
2. 32 views
Use proportional relationships to solve the following problem. Riley needs to earn enough money to purchase a new jacket. The
1. 1 answer
2. 43 views
Rafeal’s family dinner costs $56.25. His dad wants him to leave a 35% tip. How much money should Rafeal provide as a tip?
1. 1 answer
2. 34 views
A university football stadium has 81,500 seats. The stadium is at full capacity on game day. Layla believes only 79,000 seats
1. 1 answer
2. 21 views
Aatikah plans to buy books at a book fair. She thinks she will need $30.00 to purchase the books. She only spends $19.75. Find
1. 1 answer
2. 21 views
Julian and Brittany mailed 275 wedding invitations to family and friends and predicted that they would all attend. Only 265 out
1. 1 answer
2. 42 views
QuestionUse the ratio 1,000 grams = 1 kilogram. How many grams are equal to 2.75 kilograms?(1 point)
1. 1 answer
2. 93 views
Use the ratio 1 liter is equal to approximately 2.1 pints. How many pints are equal to 10 liters?(1 po
1. 1 answer
2. 41 views
Convert inches to feet using the table. Jana can leap 36 inches above the ground. How many feet can Jana leap above the ground?I
1. 1 answer
2. 47 views
QuestionUse the ratio 1 meter = 100 centimeters. A town gets 200 centimeters of snow one winter. How many meters of snow does it
1. 1 answer
2. 33 views
Convert kilograms to pounds using the proportion 1 kilogram = 2.2 pounds. How many kilograms are equal to 72 pounds? Round to
1. 1 answer
2. 30 views
Hydras are animals related to coral and jellyfish. Hydras can reproduce sexually or asexually. Why would hydras avoid
1. 1 answer
2. 55 views
What was the unexpected result of Mikhail Gorbachev’s reforms?(1 point) Responses The tsar was killed. The tsar was killed.
1. 1 answer
2. 53 views
Drag and drop the words to complete the sentences.(1 point) Put responses in the correct input to answer the question. Select a
1. 1 answer
2. 43 views
Which of the following economic changes did the Soviets make to Russia?(1 point) Responses collectivizing farms and
1. 1 answer
2. 60 views
QuestionBesides natural gas and oil, what other natural resource is found in Central Asia and the Caucasus? (1 point) Responses
1. 1 answer
2. 63 views
Since the breakup of the Soviet Union, people in the Caucasus and Central Asia have experienced a new way of life. Which
1. 1 answer
2. 84 views
An effect of the Green Revolution was theChoose
1. 1 answer
2. 55 views
Randee draws these two triangles with lengths given in centimeters. What scale factor does she use to create the copy on the
1. 6 answers
2. 32 views
Proportions & Scale Factors Quick Check3 of 53 of 5 Items Question Use the image to answer the question. A grid is shown with a
1. 1 answer
2. 80 views
Parts of the cell membrane fill with water and pinch off to become vacuoles inside the cell.Passive or Active Transport: Name of
1. 1 answer
2. 51 views
Complete each phrase to state the meaning of the expression m−3.3 _____ a number A number _____ by 3 3 _____ a number
1. 1 answer
2. 37 views
Which expression best represents the product of two consecutive integers?2x+1 2x(x−1) x(2x) x(x+1)
1. 1 answer
2. 31 views
Meghan has y dollars.Joseph has half as much money as Meghan. Which expression represents the amount of money Joseph has? 2+y
1. 1 answer
2. 35 views
Which answer choice is not the same as the others?CLEAR CHECK A number added to itself two times Triple a number A number
1. 1 answer
2. 47 views
Which answer choice is not the same as the others?A number added to itself two times Triple a number A number increased by 3 A
1. 1 answer
2. 31 views
Dinh has x coins in his collection.Margaret has 4 times the amount as Dinh. Which expression represents the amount of coins
1. 1 answer
2. 24 views
Which expression represents 6 divided by an unknown number?6−n 6÷n n÷6 6×n
1. 1 answer
2. 24 views
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
1. 1 answer
2. 13 views
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
1. 1 answer
2. 42 views
Penelope is saving up to purchase a new bike that costs R dollars. She has a 10% off coupon. Which expression represents the
1. 1 answer
2. 37 views
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
1. 1 answer
2. 27 views
Which two expressions are equivalent to 7(t + 5)?A (5 + t) • 7(5 + t ) • 7 B 7 • 5 + 7 • t7 • 5 + 7 • t C 5(t + 7)5(
1. 1 answer
2. 21 views
Which three statements describe the expression 2w + 6?A The expression represents 2w increased by 6.The expression represents 2
1. 1 answer
2. 47 views
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. 1 answer
2. 17 views
Solve the system of equations12x-5y=-20 Y=x+4 X= 6=
1. 1 answer
2. 24 views
Solve the system of equations12x-5y=-20 Y=x+4 X= Y=
1. 1 answer
2. 26 views
Solve the system of equations-4x+11y=15 Y=2y X= Y=
1. 1 answer
2. 25 views
What is one campaign finance law that may influence the political process in the United States? (1 point)
1. 1 answer
2. 32 views
What is one campaign finance law that may influence the political process in the United States? A. Unions can contribute
1. 1 answer
2. 36 views
What is one way that campaign contributions may influence the political process in the United States? A. Businesses can
1. 1 answer
2. 39 views
Which is a way to fund political campaigns that may reduce the influence of campaign contributions on the political process? A
1. 1 answer
2. 44 views
Ms. Garcia surveyed the students in her class to find out if they own a pet. Two-thirds of the class, or 8 students, own a pet.
1. 1 answer
2. 18 views
In her science project, Martina is observing how fast kitchen condiments can be dissolved in water. She put 8.5 ounces of water
1. 1 answer
2. 31 views
A store is selling ribbon by the yard. Mike bought 8 yards of red ribbon. Each yard cost $3.50. Complete and solve the working
1. 1 answer
2. 43 views
A 12-year-old student gets only a few hours of sleep each night. She continues this schedule for several weeks.Which health
1. 1 answer
2. 35 views
A 12-year-old student gets only a few hours of sleep each night. She continues this schedule for several weeks.Which health
1. 1 answer
2. 37 views
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
1. 1 answer
2. 37 views
Cooper will volunteer at a community food bank for two weeks. He will work 3.5 hours every day. Which equation represents the
1. 1 answer
2. 24 views
Use the sentence from a narrative to answer the prompt.Did. did I make the team? Highlight 3, explain why the writer should use
1. 1 answer
2. 31 views
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
1. 1 answer
2. 33 views
What is the best definition of an economy?A. all of the financial transactions of an area in a particular amount of time B.
1. 1 answer
2. 28 views
What similarities exist between Virginia’s economy and the global economy? Select all that apply.A. Both economies involve
1. 1 answer
2. 23 views
Which is the best ending for the sentence?(1 point)Living plants are an important part of Earth’s A. Energy balance B. Water
1. 1 answer
2. 34 views
Which word best completes the sentence?Without water, life on Earth would be _________ .. A. Abundant B. Unlikely C. Impossible
1. 1 answer
2. 31 views
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.
1. 1 answer
2. 29 views

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