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o-na [289]
1 year ago
11

ASAP PLS I NEED IT AND TY

Mathematics
1 answer:
Vera_Pavlovna [14]1 year ago
3 0

Answer:

2

Step-by-step explanation:

to solve this equation you must find what you multiply A to to equal A'

you can solve this by dividing 18 by 9

18 / 9 = 2

that is your answer

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Brainliest if correct
natali 33 [55]

\left(15^{1/5} \right)^5  = 15^{(5/5)} = 15^1 = 15

6 0
2 years ago
If f(x) = 5x − 3, which expression represents its inverse function?
Drupady [299]

Answer:

B.

\frac{x+3}{5}

Step-by-step explanation:

5x - 3 = y then 5x = y + 3 then  x = (y + 3)/5

then the inverse function of f is : (x+3)/5

6 0
3 years ago
A jeweler buys a ring from a jewelry maker for $115. He marks up the price 135%.
Basile [38]
Pretty sure the answer is d brodie
6 0
3 years ago
Stacy uses a spinner with six equal sections numbered 2, 2, 3, 4, 5, and 6 to play a game. Write a probability model for this ex
allsm [11]

Answer:

We estimate to have 8.33 times the number 6 in 50 trials.

Step-by-step explanation:

Let us consider a success to get a 6. In this case, note that the probability of having a 6 in one spin is 1/6. We can consider the number of 6's in 50 spins to be a binomial random variable. Then, let X to be the number of trials we get a 6 out of 50 trials. Then, we have the following model.

P(X=k) = \binom{50}{k}(\frac{1}{6})^k(\frac{5}{6})^{50-k}

We will estimate the number of times that she spins a 6 as the expected value of this random variable.

Recall that if we have X as a binomial random variable of n trials with a probability of success of p, then it's expected value is np.

Then , in this case, with n=50 and p=1/6 we expect to have \frac{50}{6} number of times of having a 6, which is 8.33.

6 0
3 years ago
Read 2 more answers
Help ASAP DUE IN 26 MINUTES PLEASE I BEG YOU !!! 7 & 8please!
Lynna [10]

This is question #8. First what you do is turn all the denominators to 8, and them you just add, so it's 3.5 in decimal, and 3 4/8 in mixed fraction, and if you simplify that you get 3 1/2 as your fraction, and if you want that as improper fraction you get 28/8. And for #7 there must be a diagram, can you show me that, maybe I can help.

3 0
3 years ago
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