Raymond B.

Math

06/23/21

Question pokemon

Some Rare Magic/Pokemon trading cards increase $20 in value every year. If a card was bought at $15, how much would it be worth after 36 years? Round answers to two decimal places.

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Math Maths

06/23/21

Find the range of values of k for which the equation x2 + 2(k – 3)x + 33 – k = 0 has no roots.

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Geometry

06/22/21

geometry find the area of a regular heptagon , 7 sides , the length of each side is given , which is 8 and they also give a radius which is 12.5, find the area

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Math

06/22/21

Rewrite the following equation to solve for r in terms on v. (ie. isolate r)

V=4πr^3/3

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Algebra Aleks

06/22/21

A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the number of machines made. If x machines are made, then the unit cost is... more

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Calculus

06/22/21

Calculus 3 Review

If f(x)=sqrtx−3 / sqrtx + 3 Find f(x) and F(4)

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Math

06/22/21

How many rectangles have an perimeter of 18 units?

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Math

06/22/21

A Farmer is making a pen to contain his cows. What is largest size (by area) rectangular pen that he can make with 150 ft. of fencing?

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Pre Calculus

06/22/21

Question for my pre-calculus class

Use the point-slope formula to write an equation of the line that passes through , (2−3) and (-6,1)in slope intercept form

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Calculus Derivative Power Rule

06/22/21

Differentiate 2c to the fifteenth power with respect to c.

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Calculus Integral

06/22/21

What's the antiderivative of 2u wrt u?

To integrate 2u wrt u, add 1+1 in exponent and denominator which is 2. Then divide 2u squared by 2 in this case u squared. Finally put plus C. The solution is u squared plus C.

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Math

06/22/21

What two numbers have a product of -36 and a sum of -5?

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Mathematics

06/22/21

At the beginning of the contest the jar contains 60 slips for $5, 40 slips for $3, and 50 slips for $x. If the expected value of the first draw from the jar is $5.8, the value of x is .

A bank runs a contest to encourage new customers to open accounts. In the contest, each contestant draws a slip representing a different reward—$5, $3, or $x—from a jar. At the beginning of the... more

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Linear Equations

06/22/21

Translate the sentence into an equation

Nine more than the quotient of a number and 7 is 2

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Calculus

06/22/21

Riemann Sums Equation

Management at an oil company estimates that oil will be pumped from a producing field at a rate given by where the rate of production in thousands of barrels per year years after 2000. Use Riemann... more

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Math Algebra Word Problems

06/22/21

Find all positive integers a and b such that 2m+3d=78, when d is the greatest common divisor of a and b, and m is the least common multiple of a and b

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Math Algebra Inequalities

06/22/21

x<y<0 which of the following inequality is always true?

a.y-x>0 b.x^2 > y^2 c. x-1/x< y-1/y d.|x|<|y|

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Math Algebra 2

06/22/21

Solve: 7x+4y = 3 for y

Can you please show me how to do the problem and also check it? My professor asks for a check on ALL problems and that is the hardest part for this one. Thank you in advance :)

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Math Geometry

06/22/21