01/17/21

Applying two different methods, solve this DE: y' + (a + bx)y = f(x)
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01/17/21

Computing a percent mixture
A chemist mix is 75 mL of a solution that is 15% acid with 175 mL of a solution that is 75% acid. How many milliliters of acid are in the resulting mixture? What percentage of the resulting mixture... more
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01/17/21

i need help for a good grade

Write an equation that you can use to find the value of .Perimeter of square: 30 mmAn equation that you can use is... =30 .
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01/17/21

Find the area bounded by the curves, y=x^2, y=3-x, y=0
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01/17/21

Derive the equation of the parabola with a focus at (-5,-5) and a directrix of y=7
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01/17/21

Rates and unit rates
three pounds of flour cost $1.65. how much flour do you get per dollar? round your answer to the nearest hundredth.
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01/16/21

series and sequence

Q1: What is the 3rd term of {n+1/3n+1} n=1 to n=infQ2: What is the sum of the geometric series n=1 to inf 2/3^nQ3: Which of the following is true for the series n=1 to inf 1/n^4/5 (multiple... more
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01/16/21

What is the slope of -21
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01/16/21

need help with coveting word problems and solving

Two persons are to run a race, but one can run 10 meters per second, whereas the other can run 6 meters per second. If the slower runner has a 50 -meter head start, how long will it be before the... more
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01/16/21

trigonometry test
The straight-line distances between three different buildings form a triangle. Building A is 143.3 m from building B. Building B is 259.8 m away from building C. The angle at building A is... more
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01/16/21

Trigonometry test
A cell phone company built a cell tower between two towns. A triangle can be drawn with the tower and two towns. Town A is located 6.3 km away and Town B is located 6.2 km away. If the angle formed... more
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01/16/21

Use the Change of Base Formula and common logs or natural logs to approximate the value of log3(4/5) using a calculator.
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01/16/21

Perpendicular Line
Identify the equation of a line in slope-interecept form that is perpendicular to y = -1/3x + 2 and passes through (2,1).
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01/16/21

The Cunninghams are moving across the country. Mr. Cunningham leaves 3.5 hours before Mrs. Cunningham. If he averages 55mph and she averages 65mph, how many hours will it take Mrs. Cunningham
The Cunninghams are moving across the country. Mr. Cunningham leaves 3.5 hours before Mrs. Cunningham. If he averages 55mph and she averages 75mph, how many hours will it take Mrs. Cunningham to... more
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01/16/21

How to solve [(1)+(1.028/10.74)^2]^4 , step by step, without a calculator?
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01/16/21

Write log 1,024^16=25 in exponential form.
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01/16/21

Write log 6^7,776=5 in exponential form.
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01/16/21

I am confused on how to solve this problem.
f(x)=a(x+b)(x-8)The equation above represents a quadratic function where a and b are constants. If the function is graphed in the xy-plane, its vertex is at the point (2, -54). What is the value a... more
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01/16/21

Can someone help me out with this question: Solve: 6sin^3(x) − 13sin^2(x) + 2 sin (x) + 5 = 0
Solve: 6sin^3(x) − 13sin^2(x) + 2 sin (x) + 5 = 0. Show full steps for factoring including Factor Theorem. Nosynthetic division is permitted, only long division. Use exact values only.
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01/16/21

Find the distance between the two points in the simplest radical form
Find the distance between the two points in the simplest radical form (-9,5) and (0,0)
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01/16/21

Proving / Properties of Chords with SSS
A. Given: In , radius  bisects chord at point ∙Prove:  B. Using , prove that  , given that 
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01/16/21

If f(θ) = sin θ and f(a) = 1 3 , find the exact value f(a) + f(a + 2π) + f(a + 4π).
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01/16/21

Straight Line Equations in Business
Suppose the sales of a particular brand of appliance satisfy the relationship S(x) = 250x + 4200, where S(x) represents the number of sales in year x, with x = 0 corresponding to 1982. Find the... more
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01/16/21

How do I solve this in steps?

You need a 70% alcohol solution. On hand, you have a 80 mL of a 5% alcohol mixture. You also have 80% alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired solution?
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01/16/21

Please help!! I'm stuck on this question
A builder discovers that a load of bricks is twice as heavy as a load of sticks. The total weight of 4 loads of bricks and 4 loads of sticks is 771 kilograms.What is the total weight of 1 load of... more
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