Is 9.42 a rational number

Answers

Answer 1

Answer: yes because it can be put in a fraction and it ends

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1. Maritza is baking cookies to bring to school and share with her friends on her birthday. The recipe requires eggs for every cups of sugar. To have enough cookies for all of her friends, Maritza determined she would needeggs. If her mom bought cups of sugar, does Maritza have enough sugar to make the cookies? Why or why not?

A. Use the composition to prove whether or not the functions are inverses of each other.B. Express the domain of the compositions using interval notation.

Answers

Here we need to find fog and gof, and they must be equal to x .

Let's check out fog

fog = f(g(x))

$f((4x+1)/(x))$

Substituting the value of g(x) in f(x) for x, we will get

$(1)/((4x+1)/(x)-4) =(1)/((4x+1-4x)/(x))=x$

Domain

Here the input function is g(x), and the denominator should not be 0. So x should not be zero. Therefore, domain is

$(-\infty,0)U(0, \infty)$

Now let's check gof

gof = g(f(x))

Here we need to insert f(x) in g(x) for x, and on doing that , we will get

$(4((1)/(x-4))+1)/((1)/(x-4)) = (4+x-4)/(1)=x$

Domain

Here the input function is f(x), and denominator should not be zero.

SO domain is

$(- \infty,4)U(4, \infty)$

Since fog = gof =x, so the given function are inverses of each other .

Answer:

so basically you do the answer over and over till you get it right cuz thats what my momma told me to do and mommas always right

Step-by-step explanation:

A set of data already has the values 11, 14, 23, and 16. What value would have to be added to the set for the mean of thefive numbers to be 18?
8
12
18
26

Answers

Answer: 26

Step-by-step explanation:

Mean = total sum of data set / frequency of data set

Answer:

I'm sure the answer is 26

Step-by-step explanation:

(11+14+23+16+x) / 5 = 18->64+x = 90->x = 26

I would love the brainliest people!!!

What's the greatest whole number that rounds to 621,860

Answers

The greatest whole number that number that rounds to 621,860 is 621,864

1/2x=8 as a mixed number show work

Answers

Answer:

Step-by-step explanation:

1/2 x =8

Multiply both sides by 2

x = 8 times 2

x = 16

Answer:

X=16

Step-by-step explanation:

(Multiply 1/2 X by 2= 8*2)

1X=16 OR X=16

What is the value of 4w+12y if w =4 and y = 8?

Answers

Answer:

112

Step-by-step explanation:

4(4)+12(8)

16+96

Answer:112

Step-by-step explanation:

4w + 12y = 4･4 + 12･8 which equals 112

Write the number that is 1 more than 8,325

Answers

the answer is to this question is 8,326

the number that is 1 more than 8,325 would be 8,326

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