Algebra Answers

During Science experiment, Rony brought 0.15 grams of salt, Rey brought 0.5 grams and Jon brought 0.25 grams. How many grams of salt did they bring in all?

At Joe's pizzeria a pizza costs $5 with the first topping, and then an additional 75 cents for each additional topping.

If x represents the number of toppings on a pizza, what function represents the cost of a pizza with at least one topping? Illustrate the graph for the function.

. Prove the following statements (the symbols carry their usual meaning):

(a) 2F1(−n, 1, 1; x) = (1 − x)

n

(b) 2F1(−n, 1, 1; −x) = (1 + x)

n

(c) x 2F1(1, 1, 2; x) = log(1 − x)

(d) x 2F1(1, 1, 2; −x) = log(1 + x)

(e) x 2F1

An athlete begins her normal practice for the next marathon during the evening. at 6.00 pm, she start to run and leave her house. at 7.30 pm she finishes her run at home and has a run total 7.5 mile. how fast the average speed over the courses of the run. illustrate the speed in the graph.

Write the following as an algebraic expression. Then simplify.

The sum of two consecutive integers if the first integer is x

3. Suppose a retailer purchased an item with birr 80 and sold for birr 130. Its fixed cost is birr 10,000 and variable cost other than cost of goods sold is 5%.

Compute

A. Develop the cost equation

B. Find Breakeven point in terms of quantity

Direction: In this section, the question is based on a set of conditions. In answering the question, it may be useful to draw a rough diagram. Choose the response that most accurately and completely answer the question.

A government department labels its files according to these guidelines:

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 Each label should be a five digit number

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 Can use only the digits 0 to 4. Digits 5 to 9 are not allowed.

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 No digit is repeated.

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 The 1st digit should be half of the 2nd digit.

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 The 5th digit should always be greater than the 3rd digit.

If a file's label's last digit is 1, then

(A) first digit is 2

(B) second digit is 0

(C) third digit is 3

(D) fourth digit is 4

(E) fourth digit is 0

y=1/3 √(x)-4

find the value of k for which the following equation has two equal roots.

(k+2)x^2+4k=(4k+2)x

The cost of 6 meters of ribbon is $15. How much ribbon could you buy for $20