10/15/19

I cant solve this

You need 595 mL of a 60% alcohol solution. On hand, you have a 85% alcohol mixture. How much of the 85% alcohol mixture and pure water will you need to obtain the desired solution?
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10/15/19

Math problem i have no clue how to solve
Juan needs to mix a 20% saline solution with a 40% saline solution to create 200 millileters of a 33% solution. How many millileters of each solution must Juan use?
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10/15/19

Perpendicular equation
Write an equation of the line that is perpendicular to 3x-4y=9 and contains (-4,-5)
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10/14/19

In △MNK MN = NK, m∠N = 110º, MK = 5. Find MN.
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10/14/19

Please help me i dont know how to solve this word problem
A farmer is going to divide her 50 acre farm between two crops. Seed for crop A costs $25 per acre. Seed for crop B costs $50 per acre. The farmer can spend at most $1500 on seed. If crop B brings... more
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10/13/19

Algebra problem ,, need help
The question is "Two thirds of a number reduced by 11 is equal to 4 more than the number, find the number."
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10/13/19

linear transformation
The graph of f(x)=x was translated down 21 units and right 5 units to create the graph of p(x)Write the equation of p(x) using function notation.
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10/13/19

Finding Dimensions of a Rectangle When Area is Given
A rectangle has an area of x^2-3x-54. Find area.
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10/13/19

Give the slope-intercept form of the equation of the line that is perpendicular to 5x + 2y = 12 and contains the point (2, 3).
Solve for y = mx + b in order to get the slope (m) and then substitute in the slope and the point to find b.
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10/12/19

Write an equation in y=mx+b form
Write an equation (y=Mx+b form) of the line passing through the point (-10,3) that is PARALLEL to the line 5x+2y=12.write an equation of the line passing through the point (5,1) that is... more
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10/10/19

Explain how you got the answer! I need help solving system equations !
marisol sold cookie dough containers, boxes of soft pretzels, and pasta packages as part of a fundraiser for avid. Cookie dough sold for $7.50 per container, boxes of soft pretzels sold for $25,... more
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10/10/19

Linear programing precalculus help
Jake Garcia opens a music shop in which he will sell guitars and basses. He wants to find out the maximum amount of money he may have to borrow to purchase the instruments.Guitars are X and Basses... more
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10/09/19

The total cost of producing a type of car is given by C(x)=23000−50x+0.2x2, where x is the number of cars produced. How many cars should be produced to incur minimum cost?
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10/08/19

the sum of two numbers is 18 and there diffrence is 4

the answer has 2 answers
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10/08/19

Mark plans to invest $500 in a GIC for 2 years. He has a choice of 2 plans: Plan A: 6.75% compounded annually Plan B: 6.60% compounded quarterly. In which plan should Mark invest? Explain.
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10/07/19

throwing a softball
Aida threw a softball that traveled along a path described by the parabola y= -x^2 + 10x, where y = the height of the softball in feet and x = the horizontal distance in feet that the ball has... more
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10/07/19

Find and Simplify

Given the function f(x)=3-2x-x2 find and simplify (f(x+h)-f(x-h))/(2h)
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10/05/19

WALKIE TALKIES AND DIRECTIONS
Sam and Sara start at home. Sam travel east at 4mph and Sara travels south at 5mph. They have a two-way radio with a range of 5 miles. How long after they start do they fall out of radio contact... more
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07/16/19

What is a better option for an engineering student, Maple, MATLAB or Wolfram Mathematica?
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05/27/19

Use Matlab Raspberry PI Support Package function in Simulink as Matlab Function Block?
I'm new to Matlab and Simulink and I need to get a simulation run on the Raspberry PI. For interaction I use the Raspberry PI Support Package of Matlab. I use the following code to open the... more
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03/19/19

A plane is heading on a bearing of 200° with an air speed of 400 km/h when it is blown off course by a wind of 100 km/h from the northeast. What is the resultant ground velocity of the plane?
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02/05/19

If the average of numbers: 4,7,5,6,8,n,4 is equal to their median, which of the following could be the value of n?
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04/29/14

what does the following program do? for k=1:31 disp(datestr(now,k)) end
what does the following program do?   for k=1:31     disp(datestr(now,k)) end
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