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Roman55 [17]
2 years ago
11

Kết quả của phép tính : 2(x+1) là?

Mathematics
2 answers:
Gwar [14]2 years ago
7 0

Answer:

2x + 2 is your using distributive property

Step-by-step explanation:

Kazeer [188]2 years ago
4 0

Answer:

2x +1 =))))

bạn mất gốc hả

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Please help, 20 points.<br> Perimeter :)
djyliett [7]

Answer:

<h2>D. (42 - 2x)(32 - 2x) = 900</h2>

Step-by-step explanation:

<em>Look at the picture.</em>

The dimensions of the picture:

(42 - 2x)in × (32 -2x)in

The formula of an area of a rectangle:

A = l · w

l - length, w - width

Substitute l = (42 - 2x), w = (32 - 2x) and A = 900

(42 - 2x)(32 - 2x) = 900

8 0
3 years ago
Yaneev thinks of a number y. He subtracts three from the number, then doubles it. Then he subtracts three again, and doubles the
Sergio039 [100]

Answer: y=6

Step-by-step explanation:

The given number is y.

According to the question,

Step 1 . subtracts three from the number (y-3), then doubles it

i.e. Final number = 2(y-3)

Step 2 .  subtracts three again i.e. (2(y-3)-3), and doubles the number again

i.e. Final result  = 2(2(y-3)-3)

If the result is his original number y, then

2(2(y-3)-3) =y

⇒ 2(2y-6-3)=y   [ using distributive property]

⇒ 2(2y-9)=y

⇒ 2(2y)-2(9)=y [ using distributive property]

⇒ 4y -18=y

⇒ 4y -y= 18 

⇒ 3y= 18

⇒ y= 6    [Divide both sides by 3]

Hence,  y=6

4 0
3 years ago
I need help answering the question
diamong [38]
385=15n+85
385-85=15n
300=15n
300/15=n
20=n
8 0
3 years ago
Read 2 more answers
PLS HELPP ASP<br><br> Whats the sum of<br> 8 1/2 2 1/2
kompoz [17]

Answer:

11

Step-by-step explanation:

1/2 + 1/2 is 1

8 + 2 = 10

1 + 10 = 11

8 0
2 years ago
BRAINLIEST
Cloud [144]

10 ways I think if its wrong I'm sorry

3 0
2 years ago
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