Hello, i need some help, thanks <3
2 answers:
Answer:
Melody added 12 to both sides when she should've subtracted 12 from both sides.
X = 19
Step-by-step explanation:
When solving equations, you have to do the opposite operation given on both sides of the equation. In this case, the operation that's happening is addition, so we have to <u>subtract</u> 12 from both sides.
Step 1: Subtract 12 from both sides.
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Answer:
(5 square root 2-4 square root 3) (5 square root 2-4 square root 3)
= 98 - 40
Step-by-step explanation:
i) (5 - 4
) × (5√2 - 4√3)
=(5 × 5
) - (5
× 4
) - (4
× 5
) + (4
× 4
)
= 50 - 20 - 20
+ 48
= 98 - 40
He would be able to build 9 houses.
