A chemist had two solutions: a 50% methane solution and an 80% methane solution. He wants 100 mL of a 70% methane solution. How many mL of each solution does he need?
A chemist had two solutions: a 50% methane solution and an 80% methane solution. He wants 100 mL of a 70% methane solution. How many mL of each solution does he need?
If Cameron pays $15 to join the Big Books club, he gets 10% off the price of each book. He wants to decide whether to join the club. For each amount given that he spends of books, will he save money...
A rectangular sandbox is surrounded on all sides by a strip of grass that is 4 feet wide on all sides. The length of the sandbox is 2 feet more than the width, and the total area for the sandbox and...
I dont know what to add about the queston but I kow that your supposed to move something to the left
√(4a^3*b^-6*x^2)/16a^-3*2b*x^-4) It's all under the square root sign.The final answer I got was: 64x^8/3b^7/2 But I have no clue if this is correct or not.
The slope of the line passing through the points (2, 7) and (-4, 8) is a) -6 b) -1/2 c) -1/6
what is a b and c?
Variation word problem for my class.
Fill in the blank to complete the sentence! I need this answered by today please! Thank you so much.
Another problem that I am having difficulty solving.
Just a math problem that I have been stuck on for a while.
I can't figure this problem out and I really need help with it.
The mama bat has so many bat children that she decided to build four square connecting pens in which groups of bat pups may play. If she has 156 feet of fencing what will be the dimensions of each...
Two planes leave an airport at the same time, one flying east, the other flying west. The eastbound plane travels 140 mph slower. They are 2960 mi apart after 4 hr...
0.4x+0.5y=0.2 0.3x-0.1y=1.1
8x-4y=1 2x-Ky=3
Among all the unit vectors u= <x,y,z> in R3, find the one for which the sum x + 2y + 5z is minimal. u=<>?
In an example question in my textbook that asks for the inverse of f(x) = 4 - 3x the answer goes as follows: y=4-3x x=4-3y x-4=-3y x-f/-3 = y y=4-x/3 I...
435 = b +100m + 16d 435= 3b+ 18m+ 45d 435= 7b+ 6m+ 46d
At the Boxer carnival, you can exchange 40 tickets for various assortments of prizes. Some of those assortments are below. How many tickets does it take to get a single tacky mirror? 1...