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yulyashka [42]
3 years ago
13

How do polynomial identities apply to complex numbers?

Mathematics
1 answer:
Leni [432]3 years ago
3 0

Answer:

Let start with what a polynomial is. Look in the step-by-step explanation.

Step-by-step explanation:

We know a polynomial has more than one term, right?

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If you go out to eat with 3 friends and your meal was $72.50, there is 6.75% sales tax
netineya [11]

After the tax and the tip are counted, we conclude that each friend must pay $30.

<h3>How much should each person pay?</h3>

We know that the meal cost is $72.50.

Now, there is a 6.75% sales tax and a 15% tip on the waiter (we assume that the tip is based on the total meal cost, after the tax is applied).

Then the total meal cost is:

C = $72.50*( 1 + 6.75%/100%) = $72.50*(1 + 0.0675) = $77.39

Now we also need to add the tip, which is a 15% of that, so the total cost with the tip included is:

C' = $77.39*(1 + 15%/100%) = $88.998 = $90

(Where we rounded up).

Then, if there are 3 friends, each one must pay:

$90/3 = $30

Each friend must pay $30.

If you want to learn more about taxes:

brainly.com/question/1775528

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4 0
2 years ago
Could 10.5 cm, 8.0 cm, and 4.0 cm be the lengths of a triangle
Aleksandr-060686 [28]

Answer

yes

Step-by-step explanation:

5 0
3 years ago
The sum of two numbers a and b is 7 and the difference between them is 2. What is the value of a x b ? Give your answer as a mix
Andre45 [30]

Answer:

45/4

Step-by-step explanation:

We can interpret the question to have two equation which can be solve simultaneously

a+b=7------------(1)

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From eqn(2) make a subject of formula

a=2+b--------(3)

Substitute the (3) into eqn(1)

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2+b+b=7

2b=7-2

2b=5

b=5/2

From equation (3) substitute value of b to find a

a=2+b--------(3)

a= 2+5/2

a=9/2

Then What is the value of a x b ?

9/2× 5/2

=45/4

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Step-by-step explanation:

blank I don't see a shape

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3 years ago
Find the Value of X. If your answer is not an integer, express it in simplest radical form.
Gennadij [26K]
For each question we must apply the Pythagorean theorem and clear the value of x.
 question 5 
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 x = root (452)
 x = 2raiz (113)
 question 6
 
x = root (8 ^ 2 + 15 ^ 2)
 x = 17
 question 7
 
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 x = root (2 * (12 ^ 2))
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 question 8
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3 years ago
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