03/21/19

There are 400 coins in a jar. If there are only 5 pence and 10 pence coins with a value of £27.50 ; how many 5p and 10pcoins are there?
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03/19/19

Does an odd function always pass through the origin?
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03/19/19

The sum of two consecutive integers is -57. Find the two integers

The sum of two consecutive integers is -57. Find the two integers
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03/19/19

If we have two vectors going into opposite directions, where OA=a and OB=b, then what is AB?
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03/19/19

Interpret Bayesian probability as frequentist probability?
It is usually said that the Bayesian probability is a subjective concept, quantifying one's degree of belief in something, while the frequentist probability is the the fraction of certain outcomes... more
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03/18/19

How do I solve this other than using sin^2+cos^2=1?
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03/17/19

An appliance store decreases the price of a 19-in. TV set 21% to a sale price of $500.47. What was the original price?

An appliance store decreases the price of a 19-in. TV set 21% to a sale price of $500.47. What was the original price? Round to nearest cent
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03/15/19

Is f(x) = 2x an injective function?
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03/15/19

How do I solve analytically x=ln(1−x)x=ln⁡(1−x)?
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03/15/19

Determine the value of A so that x+1 is a factor of x^3+k^2x^2-2Ax-16. What is the solution to this?
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03/15/19

How can I prove that (CSC^2x) (secx) = secx + cscx (cotx) by working the left side only?
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03/14/19

If f(x)=x2−25x−5f(x)=x2−25x−5, then is it possible to find f′(5)f′(5) since x≠5x≠5for the original function?
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03/14/19

What is the difference (if any) between "not true" and "false"?
A fairly simple question I hope someone can help me with.
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03/14/19

The line with the equation B + 2a =0 coincides with the terminal site of an angle X in standard position in quadrant IV what is tangent X
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03/14/19

Is the derivative function typically "worse" than the original function?
For instance, the absolute value function is defined and continuous on the whole real line, but its derivative behaves like a step function with a jump-discontinuity. For some nice functions,... more
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03/13/19

I need help solving this equation
The temperature T, in degrees Fahrenheit, t hours after 6 AM is given by: T(t) = − 1 2 t 2 + 8t + 32, 0 ≤ t ≤ 12 What is the warmest temperature of the day? When does this happen?
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03/12/19

Number problems and Consecutive

Set up the equation for the following word problem and solve the equation. Let x be the unknown number. -84 times a number minus 5 is equal to -28 less than the number
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03/11/19

How much blue and yellow paint should a store mix to make 50 gallons of green paint? the ratio is 3 to 4.

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03/11/19

what other jobs did amelia earhart have
what jobs did amelia earhart do hart do before she was a piolet
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03/08/19

If one brick is 8" x 4" x 2", how many bricks would make a 18" x 24" x 5"?
One brick is 8 inches in length, 4 inches wide and 2 inches thick. How many bricks would make a 18" x 24" x 5"?
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03/08/19

C(x)300x+2000 R(x)=400x
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03/08/19

What are the elements?
Rewrite the P by listing it's elements P={y|y is an integer and -4~y<-1}
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03/07/19

Pia built a rectangular prism with cubes the base of her prism has 12 cm cubes it the prison was built with 108 cm³ what is the height of her prism
What is my answer
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03/06/19

If I were your friend and you were my soul mate,then I’d never stop liking you. I’ve stopped liking you. Therefore, I am not your friend or you were not my soul mate.

Determine whether the argument is valid or invalid. You must define your variables, translate each sentence into symbols, complete a truth table, and state whether the argument is valid or invalid.
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03/06/19

Find an equation of the tangent line to the curve y = x x that is parallel to the line y = 9 + 6x.
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