3 years ago

Brainiest if correct please help!!!

1 answer:

Vinil7 [7]3 years ago

3 0

c for the first one !

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stepan [7]

Answer:

25 $a^{2}$ +5ab+ $\frac{b^{2} }{4}$

Step-by-step explanation:

$(5a+\frac{1}{2} b)^{2}$

1. First, write out the expression without the square

$(5a+\frac{1}{2} b)(5a+\frac{1}{2} b)$

2. Then use foil to multiply:

5a*5a+5a* $\frac{1}{2}b$ + $\frac{1}{2}b$ *5a+ $\frac{1}{2}b$ * $\frac{1}{2}b$

=25 $a^{2}$ +5ab+ $\frac{b^{2} }{4}$

3. That is your answer.

8 0

3 years ago

Sergio [31]

Slope = 2/3
y = mx + b
6 = 2/3(3) + b so b = 4

equation
y = 2/3x + 4
3y = 2x + 12

answer is c.3y = 2x + 12

6 0

3 years ago

sineoko [7]

The answer is 0.0235

3 0

3 years ago

DaniilM [7]

the numbers are: 100,500 ; 655,980 ; 324,000 ; 900,378

least to greatest: 100,500 ; 324,000 ; 655,980 ; 900,378

6 0

3 years ago

Paha777 [63]

They are all integers

5 0

3 years ago