2 years ago

Write an equation to represent the following:

Mathematics

2 answers:

zlopas [31]2 years ago

7 0

1/3n-5=3 for the first one

Rudik [331]2 years ago

5 0

Answer:

Five less than 1/3 a number n is 3.

$\frac{1}{3}n-5=3$

Four more than twice a number x (2x+4) is greater than (>) the sum of three and a negative seven (3-7)

2x+4>3+(-7)

2x+4>3-7

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Any help? Much appreciated

natulia [17]

Answer:

$\frac{6+\sqrt{27} }{4-\sqrt{3} } = \frac{r+s\sqrt{3} }{13} \\We\ may\ multiply\ the\ numerator\ and\ denominator\ with\ (4+\sqrt{3} ).\\Hence,\\\frac{(6+\sqrt{27})(4+\sqrt{3}) }{13} = \frac{r+s\sqrt{3} }{13} \\Hence,\\24+6\sqrt{3} +4\sqrt{27} +9= r+s\sqrt{3}\\24+6\sqrt{3} +4*3\sqrt{3} } +9= r+s\sqrt{3}\\24+6\sqrt{3} +12\sqrt{3}+9 = r+s\sqrt{3}\\33+18\sqrt{3} = r+s\sqrt{3}\\Hence,\\r=33, s=18$

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3 years ago

At a discount furniture store, there is a sale price of $550 for a couch

cestrela7 [59]

Answer:

594$ with sales tax

Step-by-step explanation:

550 + 44.00 = 594

5 0

3 years ago

Winston bought an encyclopedia priced at $42. Shipping and handling cost anadditional 30% of the price. What was the total cost

Sergio039 [100]

Answer:

42.3

Sorry I haven't been answering your questions I'm just behind on homework.

3 0

3 years ago

A news report suggested that an adult should drink a minimum of 4 pints of water per day.

spin [16.1K]

9514 1404 393

Answer:

448

Step-by-step explanation:

(4 pt/da)×(7 da/wk)×(16 oz/pt) = 448 oz/wk

That would be 448 fluid ounces per week.

3 0

3 years ago

Steven's Diner sold 60 milkshakes last week. 25% of the milkshakes had whipped cream on top. How many milkshakes with whipped

denis-greek [22]

Answer:

the answer is 15.

Step-by-step explanation:

you find the answer by turning 25% into 0.25 then you multiple it by 60, this results in 15.

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3 years ago