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Vsevolod [243]
3 years ago
6

Can some one help me with this question its hard :( down below ill give brainliest

Mathematics
2 answers:
FromTheMoon [43]3 years ago
6 0

Step-by-step explanation:

<h2><em>=</em><em>></em><em>6</em><em>c²</em><em>*</em><em>3</em><em>c</em></h2><h2><em>=</em><em>></em><em>1</em><em>8</em><em>c</em><em>²</em><em>+</em><em>¹</em></h2><h2><em>=</em><em>></em><em>1</em><em>8</em><em>c</em><em>³</em></h2><h2 />
Rudik [331]3 years ago
5 0

Answer:

B

Step-by-step explanation:

It's B

First we multiply the coefficients. 6*3= 18, so we can immediately cross out A and D. Now, c^2 * c is c^3. So, its B.

Hope this helps !!

-Ketifa

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2. JI. has coordinates J(-6, 1) and Z(-4, 3). Find the coordinates of the midpoint.​
AleksandrR [38]

Answer:

(- 5, 2 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2}, \frac{y_{1}+y_{2}  }{2} )

Here (x₁, y₁ ) = (- 6, 1) and (x₂, y₂ ) = (- 4, 3) thus

midpoint = \frac{-6-4}{2}, \frac{1+3}{2} ) = ( \frac{-10}{2}, \frac{4}{2} ) = (- 5, 2 )

7 0
3 years ago
Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all
Gnom [1K]

Answer:

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Step-by-step explanation:

For each visitor of the website, there are only two possible outcomes. Either they are looking for the website, or they are not. The probability of a customer being looking for the website is independent of other customers. This means that the binomial probability distribution is used 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.

5% of all visitors to the website are looking for other websites.

So 100 - 5 = 95% are looking for the website, which means that p = 0.95

Find the probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

This is P(X = 2) when n = 4. So

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

P(X = x) = C_{4,2}.(0.95)^{2}.(0.05)^{2} = 0.0135

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

5 0
2 years ago
12.
Genrish500 [490]

Answer:

I'm pretty sure the answer is D

4 0
3 years ago
Hey please help me ASAP I will give you brainlest.
Volgvan

Answer:

5cm

Step-by-step explanation:

volume = πr²h

225π = π × r² × 9

225/9 = r²

r = √225/9 = 15/3 = 5cm

8 0
3 years ago
The diagram shows a stage in the construction of an angle bisector. Which sentence tells you how to perform the next step in the
Feliz [49]

Answer:

Draw intersecting arcs inside the angle from points D and E without changing the compass width.

Step-by-step explanation:

The next step from here, will be :

Draw intersecting arcs inside the angle from points D and E without changing the compass width.

After this, draw a straight line from B to the arcs made from above step. This line is the angle bisector.

5 0
3 years ago
Read 2 more answers
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