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ELEN [110]
3 years ago
10

Problem

Mathematics
2 answers:
Damm [24]3 years ago
6 0
Perimeter is 6 sides x 9cm
Rudiy273 years ago
3 0

Answer:

P = 6 x 9 = 54 cm

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vagabundo [1.1K]
The answer to this is d
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Y = -2(x + 5)(x + 1)<br> Set the factor (x + 5) = 0 and solve
Harrizon [31]

Answer: x=-5

Step-by-step explanation:

x+5=0 \implies x=-5

7 0
2 years ago
7 1/2 divided by 3/4
creativ13 [48]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP ME WITH THESE QUESTIONS!!
Varvara68 [4.7K]

Answer:

3. [1, −2]

2. [−3, 3]

1. [−7, 10]

Step-by-step explanation:

3.

{7⁄2x - ½y = 9⁄2

{3x - y = 5

-6⁄7[7⁄2x - ½y = 9⁄2]

{−3x + 3⁄7y = −3 6⁄7 >> New Equation

{3x - y = 5

_________________

-4⁄7y = 1 1⁄7

-2 = y [Plug this back into both equations above to get the x-coordinate of 1]; 1 = x

__________________________________________________________

2.

{−3x + 9y = 36

{4x + 12y = 24

¾[4x + 12y = 24]

{−3x + 9y = 36

{3x + 9y = 18

______________

18y = 54

___ ___

18 18

y = 3 [Plug this back into both equations above to get the x-coordinate of −3]; −3 = x

__________________________________________________________

1.

{4x − y = −38

{x + y = 3

_____________

5x = -35

___ ____

5 5

x = -7 [Plug this back into both equations above to get the y-coordinate of 10]; 10 = y

I am joyous to assist you anytime.

3 0
3 years ago
15+b=23 what’s the answer
Vanyuwa [196]

Answer:

b = 8

Step-by-step explanation:

23 - 15 = 8

5 0
3 years ago
Read 2 more answers
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