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math problem (answer)

You need to take each quantity in the original recipe and multiply by 1/2.   (1/2 teaspoon)(1/2)= 1/4 teaspoon   (3 teaspoons)(1/2) ... just multiply 3 times 1/2 and the answer is the number of teaspoons of cinnamon.   (3 1/2 cups flour)(1/2) .... change 3...

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Algbrea 2 Math (answer)

David, thanks for your question. The two trinomials you used as examples are very similar : ax2+bx+c is the general form and x2+bx+c is the specific case where a = 1. when c=0: ax2+bx+c --> ax2+bx There is a common factor of x in both terms so x(ax+b)...

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i dont remember the formula to solve this (answer)

Linda,   Your formula is perfect! On the left side is your total cost and on the right side is your brothers total cost. For some value of m they are equal. Solve for m and you will have your answer in months.   Jason

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What is number of defective balls in the pack? (answer)

P = Probability of being defective = 0.03 1-P = Probability of not being defective = 0.97     12 C 5 = the number of combinations of 5 defects out of 12 (P)5(1-P)7= the probability for a single combination of 5 defects out of 12   The probability of...

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Linear Function............................. (answer)

In answering each of these questions remember how a function is defined in term the of input and output.    A function is a relationship in which each input has only one output. To check for a function look at the input and its output. Is there another piece of data that has...

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Solving a System of two Linear Equations. (answer)

Total value = 4.00, let d = number of dimes, let q= number of quarters   We have also been given that d = 2q - 5   Total value = (0.10)(d) + (0.25)(q) = 4.00   Since d = 2q - 5, substitute for d (0.10)(2q - 5) + 0.25q = 4.00   Distribute...

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Word problem Math (answer)

Make sure you draw a sketch to help you set up this problem.  The border will extend beyond the rectangle above, below, left, and right by the same amount, x. Consider the border to be four thin rectangles along the sides and four little squares outside the four corners of the rectangle...

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f(x)= square root of 2x^2-1 (answer)

So the domain is a set of all possible inputs, and the range is a set of all possible outputs.   To determine if your inputs are limited try to find a value of x which would result in an undefined value.   Is your function f(x) = sqr(2x2-1) or f(x) = sqr(2x2) - 1 ?  because...

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What is the square root of 163.28? (Show work) (answer)

There is another way to directly calculate square roots which is very similar to long division: The first thing about this method is that numbers are "brought down" 2 at a time instead of 1 as in long division. Think of pairs of digits starting from the decimal point going each way...

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[3*32+13*(-2)]+7[8-(4-9)] (answer)

The key in this problem is to apply the order of operations correctly.    P  E MD AS   [3*32+13*(-2)] + 7[8-(4-9)]   Parentheses:  perform any operations within parentheses first   (4-9) = -5  -->   [3*32+13*(-2)]...

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Parallelogram PQRS has PQ = RS = 8 cm and diagonal QS = 10 cm. (answer)

If you sketch the parallelogram as described there will be triangles FTS and PTQ within. FS =5 and PQ= 8. Let TS =x and TQ = 10 - x, since SQ=10. There are 3 pairs of congruent angles. Angle FTS is congruent to angle PTQ by vertical angles. Angle TFS is congruent to angle TPQ by alternate...

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factor 8a^3+14a^2+3a (answer)

The first step to factoring an expression is to look for a common factor. In this expression we can factor out a from each term to become      a(8a2+14a+3) Now turn our attention to factoring the expression in the parentheses above The 8a2 term could be factored...

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