Chemistry
How many grams of nitric acid (HNO3) must be dissolved in 740 mL of water to make a solution with a pOH = 8.3?
Maths
The second term in the expansion of (1-x)(1+2x)Λn is 19x. Find the value of n
math
The second term in the expansion of (1-x)(1+2x)Λ4 is 19x. Find the value of n
math
The second term in the expansion of (1-x)(1+2x)Λ4 is 19x. Find the value of n
math
A rectangular plot is bounded at the back by a river. No fencing is needed along the river and there is to be an opening in front of about 24 meters. If the cost of fencing in front is $1500 per meter and the cost of fencing the sides is $1000 per meter, find the dimensions of...
math
A bag contains 5 red balls and 7 green balls . A ball is picked at random , its color is noted and it is given out . The bag is shaken and a second selection is made. A. Draw. Tree diagram to illustrate thr information. B. Calculate the probability that both balls are red
Math
A customer is buying a $100 drill and two $15 drill bit stes. The customer uses a $50 gift card for a portion of thier bill. How much cash will the customer pay (before taxes)?
Algebra 2
a.) the number of terms b.) the first term c.) the last term d.) evaluate the sum 5 E (3+n) n=1 8 E 2n/3 n=1 I dont know what the symbol is for the equation but it looks like an "E"
physics
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.80 × 10-6 C charge, (b) a single -8.20 × 10-6 C charge, and (c) both of the charges in (a) and (b
physics
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 12300 N/C. The mass of the water drop is 4.71 × 10-9 kg. How many excess electrons or protons reside on the drop?
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