07/17/22
Antifreeze question
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze and the second brand is 90% pure antifreeze. In order to obtain 180 gallons of a mixture that contains 70%...
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07/14/22
The current population of a small city is 46000 people.
The current population of a small city is 46000 people. Due to a loss of jobs, the population is decreasing by an average of 400 people per year. How many years (from now) will it take for the...
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07/14/22
A tree is 10 feet tall casts a shadow that is 12.75 feet long. How tall is a tree that casts a shadow that is 17.85 feet tall?
That's it
07/14/22
math please help me
You deposit $5000 each year into an account earning 7% interest compounded annually. How much will you have in the account in 20 years?
1: You deposit $2000 each year into an account earning 3% interest compounded annually. How much will you have in the account in 30 years
You deposit $2000 each year into an account earning 3% interest compounded annually. How much will you have in the account in 30 years? (Round down to the cents place.)$__________
07/11/22
If a number(y) has 3% subtracted from it and you know the value of y, how can you find x
I Get charged a 3% fee from my company from the entire fee collected (x) is not given without a lot of digging. I receive a Different amount each time which is y. For example I get paid 461.10 (y)...
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07/10/22
homework math question section 6.2
According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 25 flights are randomly selected, and the number of on-time flights is...
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07/08/22
With a full tank of gas,
With a full tank of gas, you can drive 500 miles and your car can go 27 miles per gallon.Write an equation to model this situation (use m for miles you can drive and g for gallons in the tank).
Find the perpendicular and parallel lines using the points
Consider the lineFind the equation of the line that is perpendicular to this line and passes through the point (7, -6)Find the equation of the line that is parallel to this line and passes through...
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07/03/22
Hint: Convert the normal distribution X to Standard normal using Z formula Z=(X-μ)/σZ-values from the table and then find the probability.
A survey indicates that for each trip to a supermarket, a shopper spends an average of 43 minutes with a standard deviation of 12 minutes in the store. The lengths of time spent in the store are...
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07/02/22
Write an equation that expresses the following relationship.
W varies directly with U and inversely with the square root of D, in your equation, use k as the constant of proportionality.
07/01/22
James recently hired an electrician to do some necessary work.
James recently hired an electrician to do some necessary work. On the final bill, James was charged a total of $928. $445 was listed for parts and the rest for labor. If the hourly rate for labor...
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07/01/22
A rectangular field is nine times as long as it is wide.
A rectangular field is nine times as long as it is wide. If the perimeter of the field is 1200 feet, what are the dimensions of the field?
06/30/22
Translate the following statements into algebraic expressions
Translate the following statements into algebraic expressions. One-fourth of z is subtracted from 6.
06/29/22
Word problem involving the maximum or minimum of a quadratic function
A vehicle factory manufactures cars. The unit cost C (the cost in dollars to make each car) depends on the number of cars made. If x cars are made, then the unit cost is given by the function How...
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06/28/22
Linear Inequality Word Problems
An excess of nitrogen in fertilizer can damage lawns. Experts recommend that the amount of nitrogen applied to a lawn not exceed 1 pound (lb) of nitrogen per 1,000 square feet (ft2) of lawn....
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06/24/22
Can you help me with this question
The perimeter of a rectangular painting is 308 cm . If the length of the painting is 86 cm what is its width?
06/23/22
Word Problem Please need help on how to solve this
A manufacturer sells a product for $18 per unit, selling all that is produced. Total costs are made up of fixed costs of $1100 and variable costs of $2.50 per unit.
Find an expression for profit...
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