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3 years ago

What is the value of 8(x-3.7)

2 answers:

7 0

8(x-3.7)

To find this, you must first use the distributive property.
8 • x = 8x
8 • -3.7 = -29.6

8(x-3.7) = 8x - 29.6

Since there is no way to completely solve this since it's only an expression and not an equation, this is in simplest form.

Alex3 years ago

7 0

So in this type of equation we would use the distributive property.

8x-29.6.

Nothing else could be done with this. So your correct answer is, 8x - 29.6
Hope this helps!

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In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts. Find the probability t

torisob [31]

Answer:

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

Step-by-step explanation:

For each theft, there are only two possible outcomes. Either the need to buy drugs is the reason of the theft, or it is not. Each theft is independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In a certain city district the need for money to buy drugs is stated as the reason for 70% of all thefts.

This means that $p = 0.7$

Find the probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

This is P(X = 3) when n = 7. So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 3) = C_{7,3}.(0.7)^{3}.(0.3)^{4} = 0.0972$

9.72% probability that among the next 7 theft cases reported in this district, exactly 3 of them resulted from the need to buy drugs.

5 0

3 years ago

Find M A. 17 B. 16 C. 18 D. 20

mixas84 [53]

Answer:

A. 17

Step-by-step explanation:

using the cosine rule (also see attached for reference):

AB² = BC² + AC² - 2·AC·BC cos C

2·AC·BC cos C = BC² + AC² - AB²

Given that AC = 18, AB = 12 and BC = 18, substituting these into the formula

2(18)(28) cos C = 28² + 18² - 12²

1008 cos C = 964

cos C = 964/1008

cos C = 0.9563

C = cos⁻¹ 0.9563

C = 16.99 ( = 17° rounded to nearest degree)

7 0

3 years ago

"Kevin works for Outrageous Burger, a nationwide fast-food chain, but his job does not involve flipping patties or making fries.

mel-nik [20]

Answer:

series of directions for a training script

Step-by-step explanation:

Kevin is writing a series of directions for a training script. These directions will teach employees that have just been hired the step by step process on how to create the burgers at Outrageous Burgers. This way the new employees know exactly how the fast-food chain makes their burgers and they will be prepared to perform their responsibilities when customers start to come in and they are left by themselves. The training script is basically a resource for new hires.

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3 years ago

Dante creates pottery. He brought 40 pieces to a show at the fall festival. When he went to the spring carnival, he brought 15%

Rudiy27

Answer:

15% of 40 is 6, add that up, its 46

Step-by-step explanation:

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3 years ago

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nadezda [96]