lA
the havasupai are ararian; they live off the summer crops they grow in the valley. .. .. what is the meaning of the word agrariam as is used in the sentence? A. farming the land to survive b . hunting south of the canyon c . herding animals such as deer d . making a livelihood...
science
Calculate the de Broglie wavelength of a 0.44 kg ball moving with a constant velocity of 26 m/s (about 60 mi/h).
Intermidete Algebra
A rectangle's length is twice its width and it's perimeter is 48m. Find the dimensions.
math
@steve Why is the base of the box 16-2x by 10-2x (where did the 2x come from?)
math
An open box is made from a rectangular piece of cardboard measuring 16 cm by 10cm. Four equal squares are to be cut from each corner and flaps folded up. Find the length of the side of the square which makes the volume of the box as large as possible. Find the largest volume
Chemistry
20 ml of 0.1 M acetic acid was mixed with 25 ml of 0.1 M Sodium Acetate. The pH was measured to be 4.43. 5 ml of 0.1 M Sodium Hydroxide was added to the buffer and the pH was measured to be 4.60. Calculate the pH of the buffer before and after the addition of NaOH.
Chemistry
1 g of acid was mixed with 120 ml of distilled water and the solution was filtered into a clean dry beaker. A 25 ml aliquot of this solution was titrated with 0.1120 M NaOH. The pH of the acid was recorded to be 4.42. Calculate the initial concentration of the weak acid and de...
Math
A gasoline tank contains 500 liters of gasoline. By the end of each day, 70% of the gasoline remains. When will there be less than 100 liters in the tank?
Math
Find the first five terms of the sequence using the recursive rule: a1 = 2/3, and An = 5a N-1
Chemistry
A 30.0-ml sample of 0.165 M propanoic acid is titrated with 0.300 M KOH. What is the pH at 5 ml of added base, at 10 ml of added base?
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