3 years ago

Find the slope of the line.

Mathematics

2 answers:

vichka [17]3 years ago

7 0

Answer:

Step-by-step explanation:

y2-y1/

x2-x1

3-(-3)/

1--2

6/3=2

Minchanka [31]3 years ago

5 0

It is 25.6802490 tell me if you got it right and pls give me a brainialist

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recent survey found that 71% of all adults over 50 wear glasses for driving. In a random sample of 30 adults over 50, what is

valentina_108 [34]

Answer:

Mean = 21.3

Standard Deviation = 2.48

Step-by-step explanation:

We are given the following in the question:

p = 71% = 0.71

Sample size, n = 30

We have to find the mean and the standard deviation of those that wear glasses.

$\text{Mean} = np\\=30(0.71)\\=21.3$

Thus, the mean of those who wear glasses is 21.3

$\text{Standard deviation} = \sqrt{npq}\\=\sqrt{np(1-p)}\\=\sqrt{30\times 0.71\times (1-0.71)}\\=2.48$

Thus, the standard deviation of those who wear glasses is 2.48

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3 years ago

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Taya2010 [7]

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6 0

3 years ago

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What is the range of a parabola that opens down with a vertex at (1,-3)

Dovator [93]

Answer:

-3 to -infinity

Step-by-step explanation:

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3 years ago

Help pleaseeeeeee guys !

emmainna [20.7K]

Answer:

the second one and the fourth one .

Step-by-step explanation:

trust me when i saw the answer that one gave me good energy

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3 years ago

3×3=?<br><img src="https://tex.z-dn.net/?f=3%20%5Ctimes%203%20%3D%208" id="TexFormula1" title="3 \times 3 = 8" alt="3 \times 3 =

WITCHER [35]

Hey there!

Say that you have 3 books in 3 rows on shelves in the library
$Row1:3$
$Row2:3$
$Row3:3$

$3,6,9$

$3+3+3$
$3+3= 6$
$6+3 = 9$

$3*3\neq 8$

$3*3= 9$ So, the correct answer should be: $\boxed{9}$

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

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3 years ago

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