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3 years ago

What is 7/21 in simplest form

Mathematics

2 answers:

vodomira [7]3 years ago

8 0

1/3 the answer is 1/3

jeka57 [31]3 years ago

3 0

Answer:

1/3

Step-by-step explanation:

simplifying fractions can be easy.

In this case you just need to find a common number.

The common number between 7 & 21 just happens to be 7.

7 goes into 7 one time.

7 goes into 21 three times.

Therefore the answer is 1/3.

I hope this was helpful!

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3 years ago

An older method of estimating body fat percentage was to measure a person's average density (total mass divided by total volume)

timofeeve [1]

If the density of the man is 1.0321 grams per cubic cm. Then the body fat percentage will be 28.59%.

<h3>What is a function?</h3>

The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.

An older method of estimating body fat percentage was to measure a person's average density (total mass divided by total volume) and apply a formula to convert it to a body fat percentage.

$\rm BF = \left (\dfrac{4.57}{p} - 4.142 \right) \times 100$

where BF = body fat and p = density in g/cm3 A man weighs 175 pounds.

A man weighs 175 pounds.

His total body volume is modeled by a cylinder with a height of 170 cm and a radius of 12 cm.

Then the density will be

$\rm p = \dfrac{175 \times 453.592}{\pi \times 12^2 \times 170}\\\\p = \dfrac{79378.7}{76906.19}\\\\p= 1.0321 \ g/cm^3$

Then the Body fat percentage will be

$\rm BF = \left (\dfrac{4.57}{1.0321} - 4.142 \right) \times 100 \\\\\\BF = 0.2859 \times 100\\\\\\BF = 28.59\%$

More about the function link is given below.

brainly.com/question/5245372

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2 years ago

The number of polynomials having zeros as -2 and 5 is a)1 b)2 c)3 d)more than 3

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d) More than 3.

Step-by-step explanation:

The polynomial (x - 5)(x + 2) ( = x^2 - 3x + 10) has zeros of -2 and 5 but so have the polynomials formed by multiplying this by any integer:

- for example 2(x - 5)(x + 2) , 4(x - 5)(x + 2) and so on.

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3 years ago

A business owner opens one store in town A. The equation p(x) = 10,000(1.075) represents the anticipated profit after t years. T

alexgriva [62]

The rigth equation to anticipate the profit after t years is p(t) = 10,000 (1.075)^t

So, given that both store A and store B follow the same equations but t is different for them, you can right:

Store A: pA (t) 10,000 (1.075)^t

Store B: pB(t'): 10,000 (1.075)^t'

=> pA(t) / pB(t') = 1.075^t / 1.075^t'

=> pA(t) / pB(t') = 1.075 ^ (t - t')

And t - t' = 0.5 years

=> pA(t) / pB(t') = 1.075 ^ (0.5) = 1.0368

or pB(t') / pA(t) = 1.075^(-0.5) = 0.964

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Which means that the profit of the store B is about 96% the profit of store A at any time after both stores have opened.

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What is 7/21 in simplest form​

What is 7/21 in simplest form