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rosijanka [135]
2 years ago
9

A) cos(2x- pi/3)= 1/ căn 3

Mathematics
1 answer:
motikmotik2 years ago
3 0
It is c sin 3x(5cosx+6)=0
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An office supply store A isn’t offering copy paper for $3.00 per pack. Store B is running a special of buy two for $4.20 each an
LiRa [457]
Store B, since they are two for 4.20$ while Store A has only ONE for 3.00$ meaning let’s say we’re gonna buy two packs it would be 4.20$ for Store B and 6.00$ for Store A
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2 years ago
A perfect square trinomial can be represented by a square model with equivalent length and width. Which polynomial can be repres
lina2011 [118]
The correct answer is 
A) x^2 - 6x + 9

In fact, this is a trinomial of the form ax^2-bx+c, whose solutions are given by
x_{1,2}=  \frac{-b\pm \sqrt{b^2 -4ac} }{2a}
Using this formula for the trinomial of the problem, we find:
x1,2=  \frac{6 \pm \sqrt{6^2-4\cdot 1\cdot 9}}{2} =3
<span>we see that this trinomial has two coincident solutions (x=3 with multiplicity 2). This means that it can be rewritten as a perfect square, in the following form: 
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8 0
2 years ago
Read 2 more answers
Why did the kangaroo go see a psychiatrist
lara [203]
Because he always felt jumpy
4 0
2 years ago
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consider there are three machines. All of the machines can produce 1000 pins at a time. Therate of producing a faulty pin from M
blondinia [14]

Answer:

0.03333

Step-by-step explanation:

Given that there are three machines. All of the machines can produce 1000 pins at a time.

Chance for any machine is thus equaly likely = 1/3

The rate of producing a faulty pin from Machine 1 be 10%, from Machine 2 be 20% andfrom Machine3 be 5%.

Machine             I                     II              III                  total

Faulty              0.10                0.20        0.05

Prob                0.3333           0.3333    0.3334             1

Faulty*prob    0.03333         0.06666  0.16665         0.26664

Thus probability  that a produced pin will be faulty and it will be from the firstmachine

= 0.03333

6 0
2 years ago
2295 divided by blank equals 51
tekilochka [14]
It would be 117,045. 117,045/ 2295= 51
8 0
3 years ago
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