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3 years ago

Write the percent based a fraction or mixed number in simplest form. #14

Mathematics

2 answers:

Minchanka [31]3 years ago

8 0

31/40

replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40

aivan3 [116]3 years ago

7 0

77.5%
= 77.5/100
= 775/1000
= (775/25)/ (1000/25)
= 31/40

The final answer is 31/40~

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The rectangle below has an area of 6n^4+20n^3+14n^26n 4 +20n 3 +14n 2 6, n, start superscript, 4, end superscript, plus, 20, n,

Sindrei [870]

Given:

Area of rectangle = $6n^4+20n^3+14n^2$

Width of the rectangle is equal to the greatest common monomial factor of $6n^4, 20n^3,14n^2$ .

To find:

Length and width of the rectangle.

Solution:

Width of the rectangle is equal to the greatest common monomial factor of $6n^4, 20n^3,14n^2$ is

$6n^4=2\times 3\times n\times n\times n\times n$

$20n^3=2\times 2\times 5\times n\times n\times n$

$14n^2=2\times 7\times n\times n$

Now,

$GCF(6n^4, 20n^3,14n^2)=2\times n\times n=2n^2$

So, width of the rectangle is $2n^2$ .

Area of rectangle is

$Area=6n^4+20n^3+14n^2$

Taking out GCF, we get

$Area=2n^2(3n^2+10n+7)$

We know that, area of a rectangle is the product of its length and width.

Since, width of the rectangle is $2n^2$ , therefore length of the rectangle is $(3n^2+10n+7)$ .

5 0

3 years ago

0.9 _ 0.023 _ 3 over 20 _ 5 over 6 rename each as a percent

astraxan [27]

The first one would be 90%. the second one would be 2.3%. the third one would be 150%. and the final one will be 83.3333%.

5 0

3 years ago

Help?! Also why do these have to be 20 digits long

Paha777 [63]

The fraction would be 7/9.

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=32%2F%20%5Csqrt%5B8%5D%7B16%7D" id="TexFormula1" title="32/ \sqrt[8]{16}" alt="32/ \sqrt[8]{16

omeli [17]

Answer:

$\sqrt[16]{2}$

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

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3 years ago

Katrina's mother is 2 inches shorter than her father, Katrina is 2 inches shorter than her mother, and Katrina's brother is 2 in

asambeis [7]

The answer would be B. Let's say Katrina's father was 10 inches tall. Subtract 2 inches to measure Katrina's mother's height, subtract another 2 inches to measure Katrina's height. Finally, subtract another 2 inches to measure Katrina's brother's height. Add all the negative 2s together in order to get -6. That is the difference between Katrina's father's height and her brother's height.

6 0

3 years ago

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