1 answer:
Answer:
Step-by-step explanation:
A= 1/2 bh
10.98 = 1/2b (3.6)
10.98=b/2 (3.6)
10.98=b (1.8)
10.98/1.8=b
6.1=b
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Answer:
7
Step-by-step explanation:
f(-1)=-1*(-1)*2-3*(-1)+2 → f(-1)=2+3+2 → f(-1)=7
Answer:
2. 9x+4y=16
-9x -9x
4y=-9x+16
---- ---- ----
4 4 4
y= -9x
--- +4
4
4. 4x+3y=-9
-4x =4x
3y=-4x-9
--- --- ---
3 3 3
y= -4x
---- - 3
3
6. 7x-3y=6
-7x -7x
-3y=-7x+6
--- ---- ---
-3 -3 -3
y= 7x
--- -2
3
Number 2 is 990 because the numbers are 9, 10, and 11.
Answer:
122
Step-by-step explanation:
Answer: c) 
Step-by-step explanation:

Let's rearrange from the 4th power to 1.

Combine like terms (check if they have the same variable raised to the same power.


