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Marta_Voda [28]
2 years ago
10

Evaluate.

Mathematics
2 answers:
snow_lady [41]2 years ago
8 0

Replace a and b with their given values:

(2(3/5) -1/3) / -6.75/15

2 x 3/5 = 6/5

6/5 - 1/3 = 18/15 - 5/15 = 13/15

13/15 / -6.75/15 = 13/15 x 15/-6.75  = (13 x 15) / (15 x -6.75) = 195/-101.25  = -1 25/27

Answer: -1 and 25/27

Sauron [17]2 years ago
4 0

Answer:

3 \frac{11}{27}  \\

Step-by-step explanation:

(2a -  \frac{1}{3} ) \div  \frac{b}{15}  \\ (2 \times  -   \frac{3}{5}  - \frac{1}{3} ) \div  \frac{ - 6.75}{15}  \\ (  - \frac{6}{5}  -  \frac{1}{3} ) \div  \frac{ - 6.75}{15}  \\ ( -  \frac{6 \times 3}{5 \times 3}  -  \frac{1 \times 5}{3 \times 5} ) \div  \frac{ - 6.75}{15}  \\ ( \frac{ - 18 - 5}{15} ) \div  \frac{ - 6.75}{15}  \\ - \frac{23}{15}  \div \frac{ - 6.75}{15}  \\  -  \frac{23}{15}  \times   - \frac{15}{6.75}  \\  \frac{23}{6.75}  \\  \frac{23 \times 100}{6.75 \times 100}  \\  \frac{2300}{675}  = 3 \frac{11}{27}  \\

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Answer:

a) there is s such that <u>r>s</u> and s is <u>positive</u>

b) For any <u>r>0</u> , <u>there exists s>0</u> such that s<r

Step-by-step explanation:

a) We are given a positive real number r. We need to wite that there is a positive real number that is smaller. Call that number s. Then r>s (this is equivalent to s<r, s is smaller than r) and s is positive (or s>0 if you prefer). We fill in the blanks using the bold words.

b) The last part claims that s<r, that is, s is smaller than r. We know that this must happen for all posirive real numbers r, that is, for any r>0, there is some positive s such that s<r. In other words, there exists s>0 such that s<r.

3 0
3 years ago
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Butoxors [25]

Answer:

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8 0
3 years ago
The amount of money that Li spends on a video game depends on how many game he purchases. if Li has at most $90 to spend on game
siniylev [52]

Answer:

Hence Domain set for function is {0,1,2,3,4}

Step-by-step explanation:

Given:

Total amount spend =90

22.5 $ each game cost

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What is domain for the function

Solution:

Now domain mean all possible value for input so that it gives real output as per condition mentioned

So Our condition is that li spends money on video game depends on how many game he purchases

so  total money  spent on game is output

i.e in order to get that much amount of games.

If he spends 22.5 $ for each game and Total amount spent is 90

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Kiana is saving for a new computer that cost $499. So far, she has earned 68 percent of the cost of the computer. How much more
marysya [2.9K]

Answer:

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hope this helps

6 0
3 years ago
What is the quotient
mario62 [17]

Answer:

The quotient is 3x - 11 + 60/(x + 5) ⇒ 2nd answer

Step-by-step explanation:

* We will use the long division to solve the problem

- The dividend is 3x² + 4x + 5

- The divisor is x + 5

- The quotient is the answer of the division

- If the divisor not a factor of a dividend, the quotient has

  a remainder

* Lets solve the problem

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∵ 3x² ÷ x = 3x

- Multiply the divisor by 3x

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- Divide the first term -11x in the new dividend by the first

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∴ -11x ÷ x = -11

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∴ -11x + 5 - (-11x - 55) = -11x + 5 + 11x + 55 = 60

∴ The quotient is 3x - 11 with remainder = 60

* The quotient is 3x - 11 + 60/(x + 5)

5 0
3 years ago
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