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3 years ago

3000,000,000 9 in standard forms

Mathematics

1 answer:

ryzh [129]3 years ago

8 0

Sorry, I'm not completely sure but I want to be helpful.

3 x 10 to the power of 8

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Determine whether the ffunction X/(x^2-1) is odd even or neither

djyliett [7]

equation is:

$f(x) = \frac{x}{ {x}^{2} - 1 }$

so if its even f(-x) should be equal to f(x)

that means

$f( - x) = \frac{ - x}{ {( - x)}^{2} - 1} \\ \\ f( - x) = - \frac{ x}{ {x}^{2} - 1}$

so f(x) is not equal to f(-x) so its not even

If its odd than f(-x) should be equal to -f(x)

$- f(x) = - ( \frac{ x}{ { x}^{2} - 1 } ) \\ - f(x) = - \frac{ x}{ {x}^{2} - 1 }$

so as we can see f(-x)= - f(x)

so the function is odd

Ans:function is odd and not even

3 0

3 years ago

How much difference do a couple of weeks make for birth weight? Late-preterm babies are born with 34 to 36 completed weeks of ge

stiks02 [169]

Answer:

a) 0.3277

b) 0.0128

Step-by-step explanation:

We are given the following information in the question:

N(2750, 560).

Mean, μ = 2750

Standard Deviation, σ = 560

We are given that the distribution of distribution of birth weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P (less than 2500 grams)

P(x < 2500)

$P( x < 2500) = P( z < \displaystyle\frac{2500 - 2750}{560}) = P(z < -0.4464)$

Calculation the value from standard normal z table, we have,

$P(x < 2500) = P(z < -0.4464) = 0.3277 = 32.77\%$

b) P ((less than 1500 grams)

P(x < 1500)

$P( x < 1500) = P( z < \displaystyle\frac{1500 - 2750}{560}) = P(z < -2.2321)$

Calculation the value from standard normal z table, we have,

$P(x < 1500) = P(z < -2.2321) = 0.0128 = 1.28\%$

3 0

3 years ago

What is the value of the function when x = 6?

vladimir1956 [14]

The value would be 4

6 0

3 years ago

Evaluate the function given the value<br> f(x) = 1 - 2x; f(-12)<br> r

vesna_86 [32]

Answer:

The answer is 25

Step-by-step explanation:

$f( - 12) = 1 - 2( - 12) = 1 + 24 = 25$

3 0

3 years ago

A fair charges an admission fee of 2 dollars for each person. Let a be the cost of admission (in dollars) for P people. Write an

Tomtit [17]

Answer:

$a = 2p$

Step-by-step explanation:

Given

$Admission\ Fee = \$2$ per person

Required

Represent as an equation

For 1 person, the admission fee is 2

For p people, the admission fee will be 2p.

Hence:

$a = 2p$

5 0

3 years ago