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sineoko [7]
2 years ago
14

7-x+3=9x+10 help please

Mathematics
1 answer:
Nady [450]2 years ago
4 0

Answer:

7=9x+10+x+3

Step-by-step explanation:7=10x+13

10x=20=10x/10=20/10=2 2 is the answer

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Suppose that the probability that a person books a hotel using an online travel website is 0.68. For the questions that follow,
Lorico [155]

Answer:

0.213 is the required probability.  

Step-by-step explanation:

We are given the following information:

We treat person booking from online travel website as a success.

P(Booking through online travel website) = 0.68

Then the number of people follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 15

P(exactly ten people out of fifteen people used an online travel website)

P(x = 10)\\\\= \binom{15}{10}(0.68)^{10}(1-0.68)^5 \\\\= 0.213

0.213 is the probability that exactly ten people out of fifteen people used an online travel website when they booked their hotel.

8 0
3 years ago
What did I do wrong on this math equation?​
loris [4]

Answer:

A=126 square feet

Step-by-step explanation:

A=ab/2

A=14(18)/2

A=252/2

A=126 square feet

Plz mark brainliest

7 0
2 years ago
Read 2 more answers
Help me solve these problems please
Romashka [77]
I hope it makes sense.

7 0
3 years ago
Which model represents the factors of 4x^2-9
dsp73

The model (x+a)(x-a) will represents the factors of 4x²-9 as (2x+3)(2x-3).

<h3>What are the quadratic equations in one variable completing the squares method?</h3>

The "completing the squares" method aims to construct a quadratic equation of the form where the x variable is entirely covered by a single squared term, which is the square of a linear expression in x, as the name suggests.

The quadratic equation can resemble this:

x²-a² = (x+a)(x-a)

Given equation;

⇒4x²-9

⇒(2x)²-3²

The equation can be modeled as;

(2x+3)(2x-3)

Hence the model (x+a)(x-b) will represents the factors of 4x²-9 as (2x+3)(2x-3).

To learn more about completing the squares method refer to:

brainly.com/question/16800259

#SPJ1

8 0
2 years ago
0.051x40(0.5+0.01)x40 using distributive property
krek1111 [17]

Answer:

41.616

Step-by-step explanation:

4 0
3 years ago
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