06/09/25
Kick off ISEE upper level prep
My daughter is preparing to take the ISEE test in Fall 2026, we will start her prep this summer. What would you suggest is the right approach to take to have a 15 month prep period? How would you...
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12/09/19
Word problem help
A pot of coffee with a temperature of 100 degrees Celsius is set down in a room with a temperature of 20 degrees Celsius. The coffee cools to 50 degrees celsius in one hour.a. Find T(t), the...
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11/15/19
Math question its for a ged test
what is x +y = because I'm new to this questions of math i need to know trying to understand math for a GED Test?
11/04/19
molarity question for chem
3.60 g of CaS was added to enough water to make 250 ml of solution. What is the Molarity of the solution?
11/04/19
Consider this reaction 3H2(g) + N2(g) =2NH3(g) If 5.74g of H2 is reacted with 17.8 of N2. Find the limiting reactant and the theoretical mass of product of NH3
I need step by steps clarification of getting these numbers. I can't seem to get the hang of this. explanation of where the numbers come from any why they are changing.
10/31/19
what is the equation of the line through the point (3,3) that is perpendicular to the line y=-1/2x+2
Please help me get my answer right
10/31/19
Calculate the final concentration of 2.0 L of a 2.50 M HNO3 solution is added to water so that the final volume is 6.0 L.
Express your answer to two significant figures and include the appropriate units.
10/29/19
Why do metallic bonds form a compound with a sea of electrons?
Metal atoms are bonded with other metal atoms because the electrons are simultaneously transferred to the nuclei and held in rigid structures.Metal atoms are bonded with nonmetal atoms because the...
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08/29/19
Precalculus math problem
An aircraft takes off from an airport at a bearing of N20 degrees E. After flying for 1mile, the pilot turns and flies on a new bearing of N70 degrees W. If the pilot stays on this heading for 5...
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Help with this Geometry/Algebra Question
Three squares are placed next to each. One side of each square is marked with a measurement. The smallest square with vertex A in the left top corner has one side marked with a length of 4. The...
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08/01/19
PLEASE HELP ASAP
The total cost f(x), in dollars, for renting a bike for x hours is shown:f(x) = 10 + 20xWhat does f(10) represent?A.The number of miles the bike can travel for a cost of $10 B.The number of miles...
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05/22/19
the sum of two numbers is 11 and the difference is 5
I need to know what it is for this practice im doing at home. my teacher said i could use this site for help.
11/05/18
Math trigonometry
For a sinusoidal function two consecutive maximums occur at 3,8 and 11,8. If the midline is y=5, what is the period and equation?
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