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alexira [117]
3 years ago
6

Simplify the expression.

Mathematics
1 answer:
Sloan [31]3 years ago
5 0
1) 16n - 5
2) 4a + 3b
3) -3c + 27 + 4d
4) 2x - 7y + 3
5) 21x + 14x(second power)

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Explain (1+y)^2 how does it turn into 1+2y+y^2 ? i don't understand
Greeley [361]
I will show you the steps on how you get that answer and if you have any questions after that let me know and I'd be more than happy to help answer them for you.
The first step for solving (1 + y)² is to use the equation (a + b)² = a² + 2ab + b² to expand the expression.
1² + 2 × 1y + y²
1 raised to any power equals 1,, so remove the power.
1 + 2 × 1y + y²
Calculate the product of 2 × 1y.
1 + 2y + y²
Finally,, use the commutative property to reorder the terms.
y² + 2y + 1
Let me know if you have any further questions.
:)
6 0
3 years ago
Find the measure of the missing angles.<br> 135°<br><br> b =<br> C=
Lyrx [107]

Answer:

b=135

c=45

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
13. Mark has a board that is 12 feet long. He
horrorfan [7]

Answer:

1.5 feet

Step-by-step explanation:

12/8 = 1.5 feet

6 0
3 years ago
Help please I need it.
gladu [14]
180(n-2)
=180(6-2)
=180*4
=720
7 0
3 years ago
What’s -2y+16=10 plz solve 2 step equation
konstantin123 [22]

Answer:

y=3

Step-by-step explanation:

To solve this 2 step equation, we need to get y alone. Lets write out the equation

-2y+16=10

Subtract 16 from both sides

-2y-16+16=10-16

Subtract

-2y=-6

divide both sides by -2

-2y/-2=-6/-2

divide

y=3

5 0
3 years ago
Read 2 more answers
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