Write and solve an equation for the following problem: How many liters of pure acid should be added to 19 liters of 65% concentrate to raise the concentration to 85%? Round your answer to two decimal places if necessary.

Q: Solve each by setting up and solving an appropriate equation. If a DVD player costs a retailer $40…

A: Given  A DVD player costs a retailer $40 and it sells for $100.

Q: What is the best first step for solving the following equation? 6x - 1 e = 16

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Q: The height of an object thrown upward with an initial velocity of 32 feet per second is given by the…

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Q: solve each equation. 0.10t + 0.12(t + 1000) = 560

A: Given equation: 0.10t+0.12t+1000=560 simplify the above equation…

Q: Find the indicated value. Solve for x. 10 14 15

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Q: Find the solution of the equation correct to four decimal places. e1+ 4x = 160

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Q: The number of milligrams of a radioactive substance present after t years is given by the following…

A: Topic:- exponential decaying function

Q: Solve the following equation: 23 16 Write your answer as a fraction or integer. p = Write your…

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Q: 3 7. х2 —8

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Q: use your calculator to help solve each formula for the indicated variable. Solve i = Prt for r,…

A: Here, we have  i=$232.50 P=$1550 t=2 years

Q: Solve the equation below for the given variable: x36 14 6 O 20 O 84 O 15 8

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Q: Solve each equation and check your solution(s): 4 %D x+5 x+3

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Q: At 8:30 a.m., a coroner was called to the home of a person who had died during the night. In order…

A: We have given the temperature of body was 84.2°F at 9:00 a.m. and 81.6°F at 11:00 a.m.

Q: The longest hike I completed this summer took me 9 times as long as the shortest hike I completed.…

A: Let the shortest hike took x minutes. So the longest hike took 9x minutes.  So total time for the…

Q: Solve for r: 2" = 47 You may enter the exact value or round to 4 decimal places.

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Q: An object is launched direly upward at 64 feet per second from a platform 80 feet high. The equation…

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Q: Solve the equation accurate to three decimal places.

A: We have to solve equation 1+0.10365365t=2 Simplifying this further,…

Q: If you want to earn 2% annual simple interest on an investment, how much should you pay for a note…

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Q: Solve the equation accurate to three decimal places.

A: log5x-4=3.2

Q: Use a calculator to find the solution of teh equation, rounded to six decimal places. e-15k = 10,000

A: Explanation: Given that,  e-15k=10000   Formula Used: logbb=1 logac=cloga

Q: Solve for x. e -2x = 17. Round your answer to 3 decimal places.

A: We know that 1):  ln(e^(a.x))=a.x 2): ln(17)=2.833

Q: Solve the equations analytically and check graphically. 2100 = 10% (Round to the nearest thousandth…

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Q: Elena has a saving account with $1,250. If she does not deposit or withdraw any money from the…

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Q: The height of an object dropped from a hot-air balloon can be determined by the formula h = -1612 +…

A: The height of an object dropped from the hot-air balloon is given by the formula h=-16t2+s where h…

Q: The number of milligrams of a radioactive substance present after t years is given by the following…

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Q: Find the indicated value. 1. Solve for x. 55 (3x + 23) 75

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Q: Together two computers cost $2700 per year to rent. If one costs twice other, what is the monthly…

A: Total cost to rent for one year for both computer is : $2700

Q: Tom and Jerry can mop the floor in 37 minutes if they work together. If Tom works 5 times as fast as…

A: We are solving first question only as per the answering guidelines. If you want any specific…

Q: Show how to solve the following equation without a calculator 55x-5=1/25

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Q: The formula for converting Fahrenheit degrees to Celsius degrees is C= (F- 32). For what temperature…

A: The relationship between the centigrade and Fahrenheit is C=59(F-32)

Q: Solve each by setting up and solving an appropriate equation. Glenn invests $4000 at 5% annual…

A: The principle amount invested by Glenn is P=$4000 The annual interest rate is given as r=5% The time…

Q: 6.5 8.2 41

A: Given equation is 6.5M=8.241. Solve the equation for M.

Q: Set up an equation and solve for x. 8 12 Q Zoom Enter Answer Here

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Q: solution

A: We will find the distance of the boat from starting point.

Q: Solve each by setting up and solving an appropriate equation. A Florida beach house rents at a 30%…

A: Given the usual weekly rental amount for month January is $3,750. To find the weekly rental for one…

Q: Solve the given equation for x. 420-4 = 39 You may enter the exact value or round to 4 decimal…

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Q: Maeve and Otis live 14 miles from each other. They decide to meet together somewhere in between…

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Q: Solve the equation 32x = 75 accurate to three decimal places.

A: The given exponential equation is 32x=75.

Q: Question 2 Solve for x. 40 80

A: We have to find x

Q: Solve the following. a. 4x= 1,024   b. 2,000(1.4)x= 6,000

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Q: Use a calculator to solve the equation. (Round your solution to three decimal places.)    x…

A: Solve the equation.

Q: Solve the equation accurate to three decimal places. 54x 19

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Q: Solve each equation. Round your work. 8) 11'=95

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Q: Solve the following for x: 22 lx-31

A: Given,           x-4x-3≥2

Q: At 8:30 a.m., a coroner was called to the home of a person who had died during the night. In order…

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Q: 7. (2x+5) 610 N m<L m<m

A: We have to find the angle

Q: Set up an equation and solve for x. 3x + 1 8 Q Zoom Enter Answer Here 4x +1

A:

Q: solve each of the following for the indicated variable. C = 5/9 (F - 32) for F (Fahrenheit to…

A: We have to solve the equation for the indicated variable, where equation is given as: C=59F-32 for…

Q: Solve the following equation.  Round to 2 decimal places.   -4log(3x) = -15

A: First, solve for log(3x)

Q: Put the steps for solving the formula for the number of periods, mt, PMT(1+r/m)t-1) (r/m) FV =

A: The formula FV=PMT1+rnmt-1rm. We have to solve this formula for mt.

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.