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Kipish [7]
3 years ago
10

Please help!! im confused

Mathematics
2 answers:
lana [24]3 years ago
7 0

Answer:

4n-1

Step-by-step explanation:

n+3(n-1) ---> distribute the 3 to the (n-1)

n+3n-1 ---> combine like terms

4n-1

madam [21]3 years ago
7 0

Answer:

use tiger algebra it will help

Step-by-step explanation: i think it's 2n

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a jar contains 23 green, 5 yellow, and 6 blue marbles. a marble is drawn at random p(green).what is the probability
dybincka [34]

Answer:

1:34

Step-by-step explanation:

Because it is a one to however many there are in total ratio so thus 1:34

6 0
3 years ago
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What is the surface area of the sides and closed rectangular end? ____ sq. ft.
Alenkasestr [34]
Without the roof panels, the surface area (except for the open panel) is 176.25 sq. ft.
With the roof panels, the surface area (except for the open panel) is 196.67 sq. ft. 

The area of the rectangular sections (the sides without gables) is given by 10*6 = 60 sq. ft.  There are two of these sides, for a total of 2*60 = 120 sq. ft.

The gables are triangles, which have an area formula of
A = 1/2bh

For the gables, this is 1/2(1.5)(7.5) = 5.625 sq. ft.  Since there are two of them, this makes 2*5.625 = 11.25 sq. ft.

The closed side under a gable has an area of 6*7.5 = 45 sq. ft.

The two roof panels have an area of (4 1/12)(2 1/2) each:
49/12(5/2) = 245/24

There are two of them, which makes 490/24 = 20.42 sq. ft.

Without the roof panels, we have 45+11.25+120 = 176.25 sq. ft.
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4 0
4 years ago
The product of -4 and a number is 36 find the number?​
LekaFEV [45]

Answer:

32

Step-by-step explanation:

if you add 4- + 36 it's exactly the same as saying 4 - 36 = 32

<u><em>pls mark brainlest for real :,,(</em></u>

7 0
3 years ago
11/4= AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
jekas [21]

Answer:

2.75

Step-by-step explanation:

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Hope this works....

5 0
3 years ago
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Find the missing side lengths leave your answerss as radicals
Phoenix [80]

Answer:

n=7

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Step-by-step explanation:

lmk if you need work

7 0
3 years ago
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