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4 years ago

10

Which type of polygon has seven sides? a. hexagon b. decagon c. heptagon d. octagon

2 answers:

erica [24]4 years ago

8 0

The answer is C. Heptagon

just olya [345]4 years ago

5 0

the answer is C. heptagon hope it helps

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-5x-y= 8<br> -4x+y=2 solve the system

yan [13]

$\huge\fcolorbox{blue}{aqua}{Answer:}$

═════════════════════

1. $- 5x - y = 8$

<h3>Solve for x</h3>

$-5x-y=8$

$-5x=8+y$

$-5x=y+8$

$\frac{-5x}{-5}=\frac{y+8}{-5}$

$x=\frac{y+8}{-5}$

$x=\frac{-y-8}{5}$

<h3>Solve for y</h3>

$-5x-y=8$

$-y=8+5x$

$-y=5x+8$

$\frac{-y}{-1}=\frac{5x+8}{-1}$

$y=\frac{5x+8}{-1}$

$y=-5x-8$

────────────────────

2. $-4x-y=2$

<h3>Solve for x</h3>

$-4x-y=2$

$-4x=2+y$

$-4x=y+2$

$\frac{-4x}{-4}=\frac{y+2}{-4}$

$x=\frac{y+2}{-4}$

$x=-\frac{y}{4}-\frac{1}{2}$

<h3>Solve for y</h3>

$-4x-y=2$

$-y=2+4x$

$-y=4x+2$

$\frac{-y}{-1}=\frac{4x+2}{-1}$

$y=\frac{4x+2}{-1}$

$y=-4x-2$

════════════════════

Explanation:

#Carry on learning

7 0

3 years ago

Evaluate [6 - (5 - 6(5 - 7) + 3)] + 3

kkurt [141]

Answer: 10
steps below…

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3 years ago

(7v^3+8v^2+8v^4)+(v^3+3v^4+6v)

Angelina_Jolie [31]

11v^4 + 8v^3 + 8v^2 + 6v

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3 years ago

Solve 2p = 18<br><br> Help!!!!!!

vitfil [10]

Answer:

9

Step-by-step explanation:

2p= 18

p = 18 ÷ 2

p = 9 hope it helps u

4 0

3 years ago

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Mr. Pham wrote the equations below on the board 18 minus 7X equals -20.5 what is the value of X

dimaraw [331]

Answer:

5.5

Step-by-step explanation

18-7x= -20.5

-7x=-20.5-18

7x=38.5

x=38.5/7=5.5

3 0

4 years ago

Read 2 more answers