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a chemist has 2 large containers of sulfuric acid solution with concentrations of acid 15% and 30%. how many ml of each solution should he mix to prepare 1250 ml of solution with 25% acid concentration...

The sum of two numbers is 31. The sum of the smaller and 7 times the larger is 193. Find the numbers

I have no idea what the answer is. Im in mte 5 and this is 5.10 applications.

Big Ideas Math saids that I am wrong even though I think I am right.

After how many seconds and what height will the ball reach its maximum height? How many seconds until the ball hits the ground?

Really find these worded equations hard. Please help!!!! Thank you so much. XXX

Apples cost $5 each and Oranges cost $3 each. When the bag is full of apples and oranges, it costs $85. What is the number of oranges in the bag? I need to see how it is done step by step because...

Please help me solve

What is the cost of one donut? What is the cost of one large coffee?

I've been stuck on this question and I do not know how to answer it. The options are: A) Half-plane containing the L as its boundary and containing the origin. B)...

a wholesaler sold n bars for (n+1) cents each. On the following day she doubled the price but sold 2 bars less. The amount of the money take on each day was the same. Find the value of n.

Algebra 6/7 advanced.

I need an equation and let statement to solve it.

Twice the bigger of two numbers is six more than four times the smaller and three times the larger is 93 what are the two numbers

a fenced in rectangular garden is divided into 2 areas by a fence running parallel to one side of the rectangle. Find the dimensions of the garden that minimizes the amount of fencing needed if the...

a rectangular swimming pool has a perimeter of 46 meters. The length of the pool is x meters. 1. Write an expression for the width of the pool in terms of x. A path of width (x-8)...

I need to know how old Mrs. Taylor and her son are. I also need to know how to show my work for the question.

Solve by using substitution method

Use the growth function to predict the population of the city in 2015. Round to the nearest hundred.