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3 years ago

What do I do and how do I do it

Mathematics

2 answers:

skelet666 [1.2K]3 years ago

5 0

It’s the third one because its +4 because it’s on the y axis and if you look at a point you go 1 up and 2 to the right so it’s 1/2x+4

a_sh-v [17]3 years ago

4 0

Answer:

Step-by-step explanation:

Just use this

Rise = 1

-----------

Run = 2

That finds the slope for the + whatever you just have to look at the Y-value aka the straight up/down line

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Solve (1/81)^x*1/243=(1/9)^−3−1 by rewriting each side with a common base.

elena55 [62]

Answer:

$x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

Step-by-step explanation:

you have the following formula:

$(\frac{1}{81})^{\frac{x}{243}}=(\frac{1}{9})^{-3}-1$

To solve this equation you use the following properties:

$log_aa^x=x$

Thne, by using this propwerty in the equation (1) you obtain for x

$log_{(\frac{1}{81})}(\frac{1}{81})^{\frac{x}{243}}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\\frac{x}{243}=log_{\frac{1}{81}}[(\frac{1}{81})-1]\\\\x=(243)log_{\frac{1}{81}}[(\frac{1}{81})-1]$

8 0

3 years ago

Uhhhhh help…..Meh plzzzz

melamori03 [73]

Answer:

g (f (-3)) = -9

Step-by-step explanation:

Given:

Graphs of f(x) and g(x) are given

From the given graphs:

Finding g ( f (-3) ):

-----> g ( f (-3) )

-----> g(5)

-----> -9

so,

g ( f (-3) ) = -9

4 0

2 years ago

PLZZZZZZZ NEED HELP!!!!!!!!!

Angelina_Jolie [31]

The first option is the correct choice of answers.

4 0

3 years ago

On a particular production line,the likelihood that a light bulb is defective is 5%. Ten light bulbs are randomly selected. What

KengaRu [80]

Answer:

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

Step-by-step explanation:

Consider the provided information,

Let X is the number of defective bulbs.

Ten light bulbs are randomly selected.

The likelihood that a light bulb is defective is 5%.

Therefore sample size is = n = 10

Probability of a defective bulb = p = 0.05.

Therefore, q = 1 - p = 1 - 0.05 = 0.95

Mean of binomial random variable: $\mu=np$

Therefore, $\mu=10(0.05)=0.5$

Variance of binomial random variable: $\sigma^2=npq$

Therefore, $\sigma^2=10(0.05)(0.95)=0.475$

Mean and Variance of the number of defective bulbs are 0.5 and 0.475 respectively.

5 0

3 years ago

The expression -120 + 13m represents a submarine that began at a depth of 120 feet below sea level and ascended at a rate of 13

Juli2301 [7.4K]

Answer:

It would be at a depth of 42 meters below the surface

Step-by-step explanation:

13(6)=78 -120+78=-42

8 0

2 years ago

What do I do and how do I do it​

What do I do and how do I do it