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3 years ago

!!!!!!!!15 POINTS FOR ANSWERING THIS CORRECTLY!!!!!!!!

Mathematics

1 answer:

Georgia [21]3 years ago

4 0

<span> graph of y = [x] for -2 ≤ x ≤ 2 </span>

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(9x^(2)+4x+2)-:(3x+x-2)

earnstyle [38]

Answer:

= - 9x2+4x+2/4x-2

Step-by-step explanation:

Remove parentheses

its blank we need to find a number

step 1: = -/4x-2 (9x2+4x+2)

step 2: multiply fractions and there is your answer

9x2+4x+2/4x-2

6 0

2 years ago

What is the probability that the web site has between 3 million and 4 million visitors in a single day? If needed, round your an

faust18 [17]

Answer:

0.2196

Step-by-step explanation:

Given that

Mean = 4.56 million visitors per day

Standard deviation = 820,000 visitors per day

According to the given situation the calculation of probability is shown below:-

Here we will find the value of P (3 ≤ X ≤ 4)

$P 93\leq X\leq 4)=P(X\leq 4) - P(X\leq 3)$

$\\=P(\frac{X-\mu}{\sigma}\leq \frac{4-4.56}{0.82})-P(\frac{X-\mu}{\sigma}\leq \frac{3-4.56}{0.82})$

$\\=P(Z\leq -0.683)-P(Z\leq -1.9024$

= 0.2483 - 0.0287

= 0.2196

Therefore the probability that the web site has between 3 million and 4 million visitors in a single day is 0.2196

4 0

3 years ago

Help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz 10 points

Dafna1 [17]

Answer:

C≈18.85

Step-by-step explanation:

have a nice day!

3 0

2 years ago

Just to make sure...are these correct?

Mrac [35]

Answer:

yes

Step-by-step explanation:

yes they are correct

5 0

3 years ago

Read 2 more answers

What is the value of the numerical expression 5/8 - 5/12 (3 -1/4) + 2/3 ?

nasty-shy [4]

$\dfrac{5}{8} - \dfrac{5}{12} ( 3 - \dfrac{1}{4} )+ \dfrac{2}{3}$

$= \dfrac{5}{8} - \dfrac{5}{12} (2\dfrac{3}{4} )+ \dfrac{2}{3}$

$= \dfrac{5}{8} - \dfrac{5}{12} (\dfrac{11}{4} )+ \dfrac{2}{3}$

$= \dfrac{5}{8} - \dfrac{55}{48}+ \dfrac{2}{3}$

$= \dfrac{30}{48} - \dfrac{55}{48}+ \dfrac{32}{48}$

$= \dfrac{7}{48}$

6 0

3 years ago