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slava [35]
2 years ago
13

7(x+y)^(2)+13x(x+y)-2^(2) help

Mathematics
1 answer:
artcher [175]2 years ago
6 0

Answer:

https://www.symbolab.com/solver/step-by-step/7%5Cleft(x%2By%5Cright)%5E%7B2%7D%2B13x%5Cleft(x%2By%5Cright)-2%5E%7B2%7D

Step-by-step explanation:

try this link

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Alina [70]

Answer:

I got 76 for #1 your welcome

4 0
3 years ago
Read 2 more answers
A cube has a volume of 729 cubic centimeters. What can be concluded about the cube?
mrs_skeptik [129]

Answer:

Step-by-step explanation:

A cube has a volume of 729 cubic centimeters. What can be concluded about the cube? Check all that apply. Recall the formula mr021-1. jpg. The side length, s, can be found using the equation mr021-2. jpg This is a perfect cube. The side length is 243 centimeters. The side length is 9 centimeters.

6 0
3 years ago
PLEASE HELP MEEEEEEEEEEEEEEEEEE
DerKrebs [107]

Perimeter of the carpet = 21.8 m

Area of the carpet = 29.4 $ m^{2}

<u>Given</u>:

<em>Dimension of the living room:</em>

<em />l = 4.9 $ m\\w = 6 $ m

<em>A. </em><em>Perimeter </em><em>of the carpet = perimeter of a </em><em>rectangle</em>

Perimeter = 2(l + w)

Substitute

Perimeter = 2(4.9 + 6)\\= 21.8 $ m

Perimeter of the carpet = 21.8 m (The digits here are significant)

<em>B. </em><em>Area </em><em>of the carper = </em><em>area </em><em>of a </em><em>rectangle </em>

Area = l \times w

Substitute

Area = 4.9 \times 6\\= 29.4 $ m^{2}

Area of the carpet = 29.4 $ m^{2} (the digits here are significant)

Therefore, considering the rules of significant digits:

Perimeter of the carpet = 21.8 m

Area of the carpet = 29.4 $ m^{2}

Learn more here:

brainly.com/question/12932084

6 0
3 years ago
3^2+100(-3x+209)66^2+11+34= ?
mel-nik [20]

Answer:

I think its −1306800x+91040454

Step-by-step explanation:

Let's simplify step-by-step.

32+100(−3x+209)(662)+11+34

Distribute:

=32+−1306800x+91040400+11+34

=9+−1306800x+91040400+11+34

Combine Like Terms:

=9+−1306800x+91040400+11+34

=(−1306800x)+(9+91040400+11+34)

=−1306800x+91040454

7 0
3 years ago
if it takes Joan one and a half hours to watch a movie, how many films can he watch in ten and a half hours
otez555 [7]
7 hours 
steps: 

10 1/2 divided by 1 1/2
8 0
3 years ago
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