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Squares and square roots
1. 1 answer
2. 106 views
What is the square root of 169
1. 1 answer
2. 95 views
Squared 256=
1. 0 answers
2. 71 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. 1 answer
2. 763 views
Which two groups of elements in the periodic table are most reactive
1. 2 answers
2. 513 views
Please express your answer in a scientific notation (6.0 x 10^5) x (3.0 x 10^4) =
1. 1 answer
2. 83 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. 143 views
Which of the following is greater than 4.3x 10^9
1. 0 answers
2. 82 views
The area of Greenland is 840,000 mi.² what is the number in scientific notation
1. 1 answer
2. 111 views
Of the following who emerged as a strong leader and organizer of colonial protest and public support
1. 1 answer
2. 176 views
Which of the following choices names three natural disasters
1. 0 answers
2. 192 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. 1 answer
2. 318 views
True or false an individuals self-esteem stays the same throughout their life
1. 1 answer
2. 185 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. 243 views
In an electrolysis experiment a student passes the same quantity of electricitythrough two electrolytic cells containing silver
1. 1 answer
2. 692 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. 1 answer
2. 570 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. 3 answers
2. 503 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. 2 answers
2. 690 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. 1 answer
2. 1,943 views
As you travel through space, you find yourself moving into regions of ever-higher voltage. You are traveling . . .A)
1. 1 answer
2. 1,113 views
As you travel through space, you find yourself moving into regions of ever-higher voltage. You are traveling . . .A)
1. 0 answers
2. 765 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. 4 answers
2. 1,663 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. 476 views
Use De Moivre's Theorem to write the complex number in trigonometric form(cos(2pi)/7)+ i sin((2pi)/7))^5
1. 1 answer
2. 1,716 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. 4 answers
2. 2,722 views
Evaluate the expressionsa. arctan(-(sqrt3)) b. Arctan(-(sqrt3)) and tell the difference between the two...
1. 1 answer
2. 472 views
Solve each equation on the interval [0, 2pi):a. 4sin^2(x)-3=0 b. cos(3x)=-1
1. 1 answer
2. 849 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. 1 answer
2. 1,627 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. 1 answer
2. 1,785 views
Sarah used her calculator to find sin125 degree. She wrote down sin125 degrees = -.57. How could Sarah recognize that her answer
1. 1 answer
2. 2,937 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. 1 answer
2. 1,222 views
How do you find the derivative ofy=5sin(-x)
1. 1 answer
2. 520 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. 494 views
if iron weighs 0.25lbs. per cubic inch, an iron bar 8'6" by 4" by 1/2" weighs?
1. 1 answer
2. 417 views
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. 3 answers
2. 478 views

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