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yanalaym [24]
3 years ago
6

Giải phương trình : -4x-8x>0

Mathematics
1 answer:
Anika [276]3 years ago
4 0

Answer:

x < 0

Step-by-step explanation:

- 4x - 8x > 0

➡️ - 12x > 0

➡️ x  < 0

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pantera1 [17]

Acasa's expected value loss  be per customer who chooses plan A

Assumption

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Expected value = net payment in -Net payment out

⇒ 1000% × 700$ - 5% ×[27000$ - 3000$]

⇒ 700$ - 1200$

⇒ -500$

What are a profit and loss?

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5 0
2 years ago
Consider random samples of size 50 from a population with proportion 0.15
WITCHER [35]

Answer:

a) Mean = 0.75

b) Standard error = 0.051

c) Yes                              

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Sample proportion , p = 0.15

a) Mean

\mu = np = 50(0.15) = 7.5

b) Standard error

S.E = \sqrt{\dfrac{p(1-p)}{n}} = \sqrt{\dfrac{0.15(1-0.15)}{50}} = 0.051

c) Application of central limit theorem

Since the sample size is larger than 30, we cam apply central limit theorem for normal approximation.

6 0
4 years ago
HELPPPPPP IN NEED
galben [10]

Answer:

>20 degrees

Step-by-step explanation:

6 0
3 years ago
Write a function rule that gives the total cost c(p) of p pounds of
Nat2105 [25]
<span>Cost = Pounds of Sugar X 0.59

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3 0
3 years ago
Read 2 more answers
19. A quadratic equation is shown below.
victus00 [196]

Answer:

\{\sqrt b, -\sqrt b\}

Step-by-step explanation:

Given

a^2 - b = 0

Required

Determine the solution

Since b is  a perfect square, the equation can be expressed as:

a^2 - (\sqrt b)^2 = 0

Apply difference of two squares:

(a - \sqrt b)(a + \sqrt b) = 0

Split:

(a - \sqrt b)= 0 \ or\ (a + \sqrt b) = 0

Remove brackets:

a - \sqrt b= 0 \ or\ a + \sqrt b = 0

Make a the subject in both equations

a =\sqrt b \ or\ a  =-\sqrt b

The solution can be represented as:

\{\sqrt b, -\sqrt b\}

6 0
3 years ago
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