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3 years ago

What is 3.24 ( 4 repeating) as a fraction?

Mathematics

1 answer:

evablogger [386]3 years ago

7 0

Answer:

81/25

Step-by-step explanation:

change 3.24 into faction

 324 over 100 because there are two decimal points .

simplfy into the smallest fraction

the answer is 81 over 25

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How do I solve for n and m using special right triangle rules.

kenny6666 [7]

Answer:

Because the triangle is a 45-45-90 triangle, the n and m should be the same lengths. For these types of triangles, the hypotenuse is $x\sqrt{2}$ and the side lengths are x. Because we are given the length of the hypotenuse, we need to find the x-value. The equation should be 6= $x\sqrt{2}$ . Simplify to get x= $3\sqrt{2}$ . So, the length of n and m should both be $3\sqrt{2}$ .

7 0

3 years ago

16 4 12 36 9 27 44 11 what number completes pattern

emmainna [20.7K]

16 - 4 = 12
36 - 9 = 27
Next trio..
44 - 11 = 33
,,,the next number

6 0

3 years ago

Multiply. (4x+2)(3x+3)

Wewaii [24]

The right answer is 12x^2+18x+6

please see the attached picture for full solution

Hope it helps

Good luck on your assignment

4 0

3 years ago

Read 2 more answers

g Farmer Violet wants to enclose one 990 square foot rectangular area of land using fencing. One side will use special fencing c

saw5 [17]

Answer:

Sides of the rectangular area:

x = 30 f

y = 33 f

Step-by-step explanation:

Let´s call x and y the sides of the rectangular area

A = x*y = 990 y = 990/x

The function cost is:

C = Costs ( sides x) + costs ( sides y )

Cost of sides x = 12*x + 10x

Cost of sides y = 10*y + 10 *y = 2*10*y = 20*y

C = 12*x + 10*x + 20*y = 22*x + 20*y

The function cost as function of x is:

C(x) = 22*x + 20*(990/y) = 22*x + 19800/x

Tacking derivative on both sides of the equation:

C´(x) = 22 + [ - 19800/x²]

C´(x) = 0 22 - 19800/x² = 0

Solving for x

22*x² - 19800 = 0

22x² = 19800

x² = 19800/22 = 900

x₁,₂ = ± 30 We dismiss negative root ( we never have negative lenghts)

Then x = 30 f

And y = 990 / 30 y = 33

To see if x = 30 is a minimum for function C(x) we evaluate the second derivative.

C´´(x) = 2*x* 19800/x⁴

C´´ (x) = 39600/x³ so C´´ is always greater than 0 then C (x) has a minimum at x = 30

Sides of the rectangular area are:

x = 30

y = 33

6 0

3 years ago

Help help help........

adoni [48]

It should be B because if class average will increase then the cost of books will be increased. Therefore, class average will be independent variable and cost of books will be dependant.

Hope this helps you out... :)

3 0

4 years ago

Read 2 more answers