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Elena L [17]
3 years ago
11

Solve For X (see picture below) thank you!

Mathematics
1 answer:
Wewaii [24]3 years ago
7 0
X = 9
HJsjshsjakan s d
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9(k+12)+4k2 when k= 3 the 2 is small
Advocard [28]

Answer:

the answer is 4k^2+9k+108

Step-by-step explanation:

3 0
3 years ago
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Kate paid $27 for a dress that was on sale for 10% off. What was the original price of this dress?
Luba_88 [7]
The best way to go about this questions is to write out a formula in which x represents the original price of the dress: x*0.90=27. To see where the 0.90 came from, if Kate's dress was 10% off, she must have paid 90% of the original price (100%-10%=90%). Then, to convert a percentage to a decimal, move the decimal point twice to the left so 90% becomes 0.90. Then, our formula essentially means that 90% of some number (x) is equal to 27. To solve for x, divide both sides of the formula by 0.90 to get x=$30 which is the final answer.

I hope this helps.
8 0
3 years ago
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Which expression is equivalent to ×7*×8?<br><br>​
Simora [160]

Answer: If you mean 7 times 8 that is 56

Other expressions that are equal

- 56 times 1

- 1 times 56

- 2 times 28

- 4 times 14

6 0
3 years ago
11(x-2)=6(x-3) so helppppppppppp
aleksley [76]
0.8 or 4/5 it’s the same thing
7 0
3 years ago
Describe the difference between the value of x in a binomial distribution and in a geometric distribution.
IceJOKER [234]

Answer:

A. In a binomial distribution, the value ofx represents the number of successes in n trials, while in a geometric distribution, the value ofx represents the first trial that results in a success.

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

The geometric distribution represents "the number of failures before you get a success in a series of Bernoulli trials. This discrete probability distribution is represented by the probability density function:"

P(X=x)=(1-p)^{x-1} p

The most important difference is that in the binomial distribution, the value of x represents the successes in n trials.

And by the other hand in the geometric distribution, x represents the number of failures before you get a success in a series of Bernoulli trials.

So then the best answer for this case is:

A. In a binomial distribution, the value of x represents the number of successes in n trials, while in a geometric distribution, the value ofx represents the first trial that results in a success.

7 0
3 years ago
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