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cricket20 [7]
2 years ago
5

Approximate the solution to 2cos(x/2) >= 1/4 for 0<= x<=2 pi.

Mathematics
2 answers:
Aleks [24]2 years ago
4 0

Answer; 435.5430000000pi

Step-by-step explanation: No need

Lina20 [59]2 years ago
4 0

Answer: (A)- 0 < x < 2.8909

Step-by-step explanation:

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Sue and Kim earn $52 per week for delivering magazines. Sue worked for x weeks and earned an additional total bonus of $12. Kim
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64x + 52y 52x − 12 + 52y 52x + 64y 52x + 12 + 52y
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Which relationship describes angles 1 and 2? Select each correct answer. A adjacent angles B complementary angles C vertical ang
Scrat [10]
The correct answer for this question is this one:
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Hope this helps answer your question and have a nice day ahead.
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Shalnov [3]

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x = - 3

x = -3 , 9 matched the answers on the number line

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6 0
3 years ago
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Consider the following functions. f1(x) = x, f2(x) = x2, f3(x) = 2x − 4x2 g(x) = c1f1(x) + c2f2(x) + c3f3(x) Solve for c1, c2, a
bekas [8.4K]

9514 1404 393

Answer:

  • (c1, c2, c3) = (-2t, 4t, t) . . . . for any value of t
  • NOT linearly independent

Step-by-step explanation:

We want ...

  c1·f1(x) +c2·f2(x) +c3·f3(x) = g(x) ≡ 0

Substituting for the fn function values, we have ...

  c1·x +c2·x² +c3·(2x -4x²) ≡ 0

This resolves to two equations:

  x(c1 +2c3) = 0

  x²(c2 -4c3) = 0

These have an infinite set of solutions:

  c1 = -2c3

  c2 = 4c3

Then for any parameter t, including the "trivial" t=0, ...

  (c1, c2, c3) = (-2t, 4t, t)

__

f1, f2, f3 are NOT linearly independent. (If they were, there would be only one solution making g(x) ≡ 0.)

7 0
2 years ago
The manager of a technology store wants to save $20,000 in 3 years to make a down payment on a condominium. How much (in dollars
Bogdan [553]

Answer:

<h2>$16,104.35</h2>

Step-by-step explanation:

the expression for compound interest is given as

A = P(1 + \frac{r}{n})^{nt}

A=$20,000

P=?

r=7.25%=0.0725

n=52 weeks

t=3 year

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the manager need to invest $16,104.35

3 0
3 years ago
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