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Anna71 [15]
3 years ago
15

Perform the indicated operation and write the result in the form a+bi i^59

Mathematics
2 answers:
Elena L [17]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Just did the practice

gtnhenbr [62]3 years ago
3 0

Answer:

B. -i

Step-by-step explanation:

i^58 · i

(i^2)^29 · i

(-1)^29 · i

-1 · i

-i

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Find the value of trigonometric ratio​
NeX [460]

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3/5

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Cos C = adjacent/hypotenuse

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{x}^{2}  - 2x - 3 \\  = (x - 3)(x + 1) \\ when \: y = 2 \\ x = 1 \\ vertex \: is \: (1, \: 2)

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8 0
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

#SPJ1

8 0
2 years ago
Do the law of order and the law of grouping apply to subtraction?
emmasim [6.3K]

Since we know that law of order states that sum or product of any two specific numbers will be same irrespective to their order.  a+b=b+a and a*b=b*a .

Law of order is only applicable for addition and multiplication. It is not applicable to subtraction and division. Let us see it by an example.

50-25\neq25-50

25\neq-25

Law of grouping states that it does not matter how to order a group of numbers while adding or multiplying. a+(b+c)=(a+b)+c and a*(b*c)=(a*b)*c.

Law of grouping is not applicable to subtraction and division. Let us see it by an example.

15-(5-3)\neq(15-5)-3

15-(2)\neq(10)-3

13\neq7

Therefore, we can see that law of order and law of grouping is not applicable to subtraction.

3 0
4 years ago
Read 2 more answers
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