I believe the answer is B
Answer:
No
Step-by-step explanation:
beileve in your self .P.S. I also do ixl it suckes !good luck
Answer:
<h2>part A</h2><h3>c. 6r + 5</h3>
Step-by-step explanation:
hi there,
area of Rectangle= length × breath
length = area/breath
= 18r²- 27r - 35/3r - 7
= 6r + 5
<span>A) 2x + 4y + z = 3
B) x − 2y − 3z = 4
C) x + y − z = −1
Multiplying B & C by -1
</span>
<span>B) -x + 2y + 3z = -4
C) -x - y + z = +1 Then adding to A
</span><span>A) 2x + 4y + z = 3
5y + 5z = 0
So basically z = -y
</span><span>A) 2x + 4y -y = 3
B) x − 2y + 3y = 4
C) x + y +y = −1
</span><span>
A) 2x + 3y = 3</span>
Multiplyig B by -2
B) -2x -2y= -8
<span>C) x + 2y = −1 Adding B&C
-x = -9
x = 9
</span>
A) 2*9 + 4y + z = 3
A) 4y + z = -15
B) 9 − 2y − 3z = 4
<span>B) − 2y − 3z = -5
</span>A) 4y + z = -15
B) − 2y − 3z = -5
Multiplying A by 3
A) 12y + 3z = -45
B) − 2y − 3z = -5 Then adding A & B
10y = -50
y = -5
C) x + y − z = −1
C) 9 -5 − z = −1
<span>C)5 =z
</span>So x = 9
y= -5
z = 5
Wow!!!!!!!!!!!!