Answers edited by G_Ozdilek
 Back to user's profile

Next

Question #d1256

Question #72db3

David bought 3 DVDs and 4 books for $40 at a yard sale. Anna bought 1 DVD and 6 books for $18. How much did each DVD and book cost?

What is the molecular formula of a compound with an empirical formula of #C_4H_9# and a gramformula mass of 114.0 g/mole?

3.5 is what percent of 14?

Solve? #2x10y=20 and x+4y=28#

If #"1500 g"# of water was heated by the combustion of #"1 g"# of sucrose to go from #25.0^@ "C"# to #28.3^@ "C"#, what is the enthalpy of combustion in #"kJ/mol"#?

How is the carbon cycle related to energy flow in ecosystems?

Suppose that you have $6000 to invest. Which investment yields the greater return over 4 years: 8.25% compounded quarterly or 8.3% compounded semiannually?

How do you combine like terms in #(3 7x ^ { 2} )  ( 13x ^ { 2} + 2x  8)#?

How do you find two numbers such that their sum is #9# and the difference of their squares is also #9#?

Question #e8ef9

How does mining affect erosion?

Question #ae181

Question #a4a9e

While on vacation, Kevin went for à swim in a nearby lake. Swimming against the current, it took him 8 minutes to swim 200 meters. Swimming back with the current took half as long. What is his and the lake's current average speed?

Question #e5863

How do abiotic factors affect biotic factors in an environment?

What is the solubility of methane, ethane, and propane in water?

What are some real life examples of diffusion?

How do you solve #\frac{3}{4}x4=7+1/2x#?

How does the volume of a cone change if its radius and height are both tripled?

How do you solve #5x^2=240#?

Madison leaves her house and bikes north at a constant speed of 10 miles per hour. If her dad leaves the same house two hours later, driving north at a constant speed of 15 miles per hour, how long will it take him, in hours, to reach Madison?

Question #195bc

What animals have been affected by acid rain?

Question #b94b8

What are some sustainable development strategies we can use to manage forests as a renewable resource?

Question #0cf3d

Question #fbedc

Question #0f30d

What is the main reason for the depletion of the ozone layer?

How do you solve #sqrt(48x^3y^2)/sqrt( 4xy^3)#?

Can someone please help me explain how to use the measures of a right triangle to calculate the exact value of sin 30°?

What is radiation pollution?

The equation #4.05 p + 14.4 = 4.5 (p+3)# represents the number #p# of pounds of peanuts you need to make trail mix. How many pounds of peanuts do you need for the trail mix?

8 plus 5 times a number is 7 times the number. What is the number?

What are the differences between concentrated and dilute acids?

What are Growth/Decay rates?

What is the distance between #(5,18)# and #(20,9)#?

Question #9237e

Where are fossil fuels found?

A flat screen tv costs $1,306.62. A monthly fee of $5.50 is added if it is paid in installments. Marisa will pay for the tv over 18 months. How much will she pay each month?

How useful is Socratic?

What are the four agents of erosion?

What is 5/6 of an hour?

Question #a396f

How do you simplify #2 5/6 2 5/22#?

How do you solve #7^x=1/49#?

How does urbanization affect water resources?

What energyproducing chemical reactions might contribute to the greenhouse effect?

Why is environmental science considered an interdisciplinary science?

Five years ago, you purchased a riding lawn mower for $1600. Recently, you resold the mower for $525. Assume that the value of the mower decays exponentially with time. How do you write an exponential decay model?

The weight of 56 books is 8 kg. What is the weight of 152 such books? How many such books weigh 5 kg?

What would happen if most of the forests of Earth were cut down?

How do you simplify #5sqrt8+2sqrt18#?

How do you solve #4x^2 18=82# graphically and algebraically?

Lera comes to the swimming pool once every 12 days. Victor comes every 4 days and Oksana comes every 10 days. Last Monday all of them were in the pool. What is the next day they all going to be there?

How is ozone produced?

How do you graph #y=3(1/4)^(x1)#?

What is industrial pollution and what are its effects on health?

The restaurant is trying out a new menu. They asked 35 people if they liked the changes and 29 said they did. The restaurant had 297 customers that day. About how many liked the new menu?

How do you multiply #0.58times0.04#?

How does acid rain change the conditions in small lakes, streams, oceans, rivers?

Question #d18e7

Question #148e4

The four magicians at the Amazing Amusement park are paid an average weekly salary of $240. If Adam is paid $280, Tom is paid $270, and Nod is paid $300. Fumble is the fourth magician. What is the total for the four magicians?

A container with a volume of #48 L# contains a gas with a temperature of #210^o K#. If the temperature of the gas changes to #810 ^o K# without any change in pressure, what must the container's new volume be?

Question #0b136

Question #ecbbb

Question #b3240

#ABCD# is a rectangle with #B(5, 0), C(7, 0)# and #D(7, 3)#. What are the coordinates of #A#?

How do you simplify #(a^2+4a)/(a^216)#?

How does agriculture impact our ecosystems?

How many liters of sweat can the average adult produce in 24 hours?

Question #b0240

A U.S. dime has a diameter of 17.9 mm. What is the diameter in m?

Question #5a3b6

Question #ccc0c

Which are better, biofuels or fossil fuels? What are pros and cons of both?

Question #a39bc

How do you graph #y=sqrt(x+2)#?

When an integer #b# is subtracted from another integer #a#, the difference is 105. If #a=66#, what is #b#?

Next