4. What is the equation? *<br> Oy=2/3x+8<br> Oy=8x + 2/3

Pls help pls helppp i will giving breanlist

GaryK [48]

Answer:

[-5, 4) ∪ (4, ∞)

Step-by-step explanation:

Given functions:

$f(x)=\dfrac{1}{x-3}$

$g(x)=\sqrt{x+5}$

Composite function:

$\begin{aligned}(f\:o\:g)(x)&=f[g(x)]\\ & =\dfrac{1}{\sqrt{x+5}-3} \end{aligned}$

Domain: input values (x-values)

For $(f\:o\:g)(x)$ to be defined:

$x+5\geq 0 \implies x\geq -5$

$\sqrt{x+5}\neq 3 \implies x\neq 4$

Therefore, $-5\leq x < 4$ and $x > 4$

⇒ [-5, 4) ∪ (4, ∞)

3 0

2 years ago

For every 10$ glen earns . his parents require him t0 save 2$ what percent did he spend ?

saveliy_v [14]

Answer:

20%

Step-by-step explanation:

10 each dollar is 10% for 2 dollars =20%

4 0

3 years ago

The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 270 day

dusya [7]

Answer:

a) 281 days.

b) 255 days

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 270, \sigma = 8$

(a) What is the minimum pregnancy length that can be in the top 8% of pregnancy lengths?

100 - 8 = 92th percentile.

X when Z has a pvalue of 0.92. So X when Z = 1.405.

$Z = \frac{X - \mu}{\sigma}$

$1.405 = \frac{X - 270}{8}$

$X - 270 = 1.405*8$

$X = 281$

(b) What is the maximum pregnancy length that can be in the bottom 3% of pregnancy lengths?

3rd percentile.

X when Z has a pvalue of 0.03. So X when Z = -1.88

$Z = \frac{X - \mu}{\sigma}$

$-1.88 = \frac{X - 270}{8}$

$X - 270 = -1.88*8$

$X = 255$

8 0

4 years ago

How to solve this problem for my pre calculous class.

Vilka [71]

Take the cos-1 of both sides to get 3x=30 then divide by 3 to get ×=10

4 0

3 years ago

One fragment of a given integer N can be selected and its digits reversed (replaced with a right to left version of themselves).

34kurt

Integers are numbers without decimal points. The number could be positive, negative or zero

<h3>How to determine the maximum number from the integer</h3>

The maximum number from integer N can be determined using the following program written in Python, where comments are used to explain each line

#This prompts the user for input

num = input("Number: ")

#This iterates from 0 to 9

kount = [0 for x in range(10)]

# This iterates through the input, and updates the kount variable

for i in range(len(num)):

kount[int(num[i])] = kount[int(num[i])] + 1

# This next two lines initialize the greatest number

greatestNum = 0

multiplier = 1

# This iterates through the kount array

for i in range(10):

#The following is repeated while the current element is greater than 0

while kount[i] > 0:

#This generates the greatest number

greatestNum = greatestNum + ( i * multiplier )

kount[i] = kount[i] - 1

multiplier = multiplier * 10

#This prints the greatest number

print(greatestNum)

Read more about similar programs at:

brainly.com/question/15683939

4 0

3 years ago

4. What is the equation? * Oy=2/3x+8 Oy=8x + 2/3