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Phoenix [80]
3 years ago
5

What is the relationship between exponents and logarithms? How would you distinguish between the two, using both a graph and a s

equence?
Exponents are the number of times the base number is multiplied by itself (squared, cubed, etc.). Exponential numbers tend to be really large, or very small if the exponents are negative.

Logarithms are a measure of the order of magnitude of a number, the value of the exponent that would be required to express it. Logarithms never get exorbitantly large, so they are useful for expressing in smaller numbers things that are extremely large or have a wide range

Exponential and logarithm functions are the inverse of each other. They have a simple mathematical relationship: The exponentiation of a logarithm of a number and the logarithm of its exponential are both equal to the original number.

And if you look at them on a graph, usually the exponential rockets to really high values of Y for larger values of X. Logarithms start really high on Y when X is next to 0.
Mathematics
1 answer:
ziro4ka [17]3 years ago
7 0
Exponents are the number of times the base number is multiplied by itself (squared, cubed, etc.). Exponential numbers tend to be really large, or very small if the exponents are negative.

Logarithms are a measure of the order of magnitude of a number, the value of the exponent that would be required to express it. Logarithms never get exorbitantly large, so they are useful for expressing in smaller numbers things that are extremely large or have a wide range

Exponential and logarithm functions are the inverse of each other. They have a simple mathematical relationship: The exponentiation of a logarithm of a number and the logarithm of its exponential are both equal to the original number.

And if you look at them on a graph, usually the exponential rockets to really high values of Y for larger values of X. Logarithms start really high on Y when X is next to 0.
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3 step equations, I really need help on these with all the work:
sesenic [268]

Answer:

fdsfskdfdsjg,dgkdfjkgjkdfgjkfjkdghdkj

Step-by-step explanation:

3 0
3 years ago
In a recent year, Washington State public school students taking a mathematics assessment test had a mean score of 276.1 and a s
Oksi-84 [34.3K]

Answer:

a) \mu_{\bar x} =\mu = 276.1

\sigma_{\bar x} =\frac{\sigma}{\sqrt{n}}=\frac{34.4}{\sqrt{64}}=4.3

b) From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu=276.1, \frac{\sigma}{\sqrt{n}}=4.3)

c) P(\bar X \geq 285)=P(Z\geq \frac{285-276.1}{4.3}=2.070)

P(Z\geq2.070)=1-P(Z

Step-by-step explanation:

Let X the random variable the represent the scores for the test analyzed. We know that:

\mu=E(X) = 276.1 , \sigma=Sd(X) = 34.4

And we select a sample size of 64.

The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".

Part a

For this case the mean and standard error for the sample mean would be given by:

\mu_{\bar x} =\mu = 276.1

\sigma_{\bar x} =\frac{\sigma}{\sqrt{n}}=\frac{34.4}{\sqrt{64}}=4.3

Part b

From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu=276.1, \frac{\sigma}{\sqrt{n}}=4.3)

Part c

For this case we want this probability:

P(\bar X \geq 285)

And we can use the z score defined as:

z=\frac{\bar x -\mu}{\sigma_{\bar x}}

And using this we got:

P(\bar X \geq 285)=P(Z\geq \frac{285-276.1}{4.3}=2.070)

And using a calculator, excel or the normal standard table we have that:

P(Z\geq2.070)=1-P(Z

8 0
3 years ago
What is the expected average of rolling a single die
larisa86 [58]

Answer:

Mathwords: Expected Value. A quantity equal to the average result of an experiment after a large number of trials. For example, if a fair 6-sided die is rolled, the expected value of the number rolled is 3.5. This is a correct interpretation even though it is impossible to roll a 3.5 on a 6-sided die.

Step-by-step explanation:

hope it helps

5 0
3 years ago
Read 2 more answers
Create an equivalent system of these equations and test your solution <br> x + y = 1<br> x 3y =9
ad-work [718]
An equvilent equation
remember you can do anything to an equation as long asyou do it to both sides


assuming yo have
x+y=1 and
x-3y=9
mulitply both by 2
2x+2y=2
2x-6y=18
those are equvilent



ok, solve initial

x+y=1
x-3y=9
multiply first equation by -1 and add to 2nd equation


-x-y=-1
<u>x-3y=9 +</u>
0x-4y=8

-4y=8
divide both sides by -4
y=-2

sub back
x+y=1
x-2=1
add 2
x=3


x=3
y=-2
(3,-2)

if we test it in other one

2x+2y=2
2(3)+2(-2)=2
6-4=2
2=2
yep

2x-6y=18
2(3)-6(-2)=18
6+12=18
18=18
yep


solution is (3,-2)
4 0
4 years ago
Read 2 more answers
Find the congruence transformation that maps ABC TO ABC
Shtirlitz [24]
Is there a picture or options to this ?
7 0
4 years ago
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