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horrorfan [7]
3 years ago
15

BEST ANSWER = BRAINLEIST ANSWER!

Mathematics
1 answer:
Alika [10]3 years ago
3 0
2(j + 2 + j)

Twice the sum of 2 consecutive odd (or even) intergers.

or

3(2j + 9 + j)

Three times the sum of twice a number and 9 and a number


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Consider the probability that more than 70 out of 119 CDs will be defective. Assume the probability that a given CD will be defe
goldfiish [28.3K]

Answer: No, the normal curve cannot be used.

Step-by-step explanation:

The theorem of the Normal approximation states that if X is B(n,p) then for large n X is N(np, np(1-p)).

The accuracy of this approximation is good

i. for n > [10/p(1-p)]

ii. p is close to 1/2

Hence given p= 4% = 0.04,

q = 1 - 0.04 = 0.96

Let N = [10/p(1-p)]

We find N = 10/p(1-p) = 10/(0.04× 0.96)

N ~= 260

Since n < 260 and p < 0.5

The approximation is not a good one

7 0
3 years ago
What is the measure of each angle of a regular pentagon? If necessary, round to the nearest tenth.
adelina 88 [10]

Answer: Find the measures of an exterior angle and an interior angle given the number of sides of each regular polygon. Round to the nearest tenth, if necessary. 24 b 15, 345 24, 156 7.5, 172.5 15, 165​

Step-by-step explanation:  sum, S, of the measure of the interior angles of a polygon with n sides is: ... The sum of the interior angles of a 24 -gon is 3960. ... angles of a polygon is (n−2)⋅180 , where n is the number of sides. ... Each exterior angle measures 36024=15 . ... The sum of the 24 interior angles is then 24⋅165=3960 .

7 0
3 years ago
There are 3/4 as many boys as girls in a class of 5th graders if there are 35 students in the class how many are girls?
ziro4ka [17]
Writing an equation is the easiest way to figure this out.
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3 0
3 years ago
Please, help meeeeee
aalyn [17]

Answer:

y = 500x + 1000

Step-by-step explanation:

The standadrd equation of a line is expressed as y = mx+b

m is the slope

is the y-intercept

Using the coordinate points (0, 1000) and (6, 4000)

Slope = y2-y1/x2-x1

Slope  = 4000 - 1000/6-0

Slope m = 3000/6

Slope m = 500

Since the line cut the y axis at y = 1000, hence the intercept b = 1000

Get the required equation;

Reall that y = mx+b

y = 500x + 1000

3 0
3 years ago
Brian, Alex &amp; Colin share some money in the ratio 1:9:3.
fiasKO [112]

Answer:

Step-by-step explanation:

1:9:3

brian gets x

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alex gets 9x = £90

3 0
3 years ago
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