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Aleks [24]
2 years ago
11

Help please brainliest

Mathematics
2 answers:
serg [7]2 years ago
6 0

Answer:

d.4x - 6

Step-by-step explanation:

Shalnov [3]2 years ago
6 0

Answer:

4x - 6

Step-by-step explanation:

Hope this helps

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What is the surface area of a sphere with a radius of 11 units?
postnew [5]

Answer:

Step-by-step explanation:

The surface area of a sphere with radius r is given by

S = 4 pi r^2

for a radius of 11 units,

S =  4 pi 11^2 = 484 pi = 1520.5 sq. units

This does not correspond to any of the answers.

Please check question.

6 0
3 years ago
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An equivalent expression for 12x+1 and 2(2x+5) please help​
zhannawk [14.2K]
<h2>Answer:</h2>

8x+9

<h2>Step-by-step explanation:</h2>

12x+1 = 2(2x+5)

<h3><em><u>Handle the brackets first</u></em></h3>

12x+1 = 4x+10

<h3><em><u>Collect like terms</u></em></h3>

=8x+9

3 0
3 years ago
Find the angle in this Rectangle
saw5 [17]
Angle MNO is 90, it’s just the top right corner
5 0
3 years ago
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If you write out the numbers from 1 through 60 (including 1 and 60), how many numbers have a "5" in them?
kvasek [131]
Heya!!!
Answer is...

15 numbers have 5 in them....
Numbers are....
5
15
25
35
45
50
51
52
53
54
55
56
57
58
59


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7 0
3 years ago
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In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 persons. Furthermore, there
Vedmedyk [2.9K]

Answer:

a) 151lb.

b) 6.25 lb

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, a large sample size can be approximated to a normal distribution with mean \mu and standard deviation \frac{\sigma}{\sqrt{n}}.

In this problem, we have that:

\mu = 151, \sigma = 25, n = 16

So

a) The expected value of the sample mean of the weights is 151 lb.

(b) What is the standard deviation of the sampling distribution of the sample mean weight?

This is s = \frac{\sigma}{\sqrt{n}} = \frac{25}{\sqrt{16}} = 6.25

8 0
3 years ago
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