1 answer:
Answer: +42x
Step-by-step explanation:
The student only multiplied each term individually.
He should have (7x+3)² = (7x+3)(7x+3)
Which is 49x²+42x+9
Therefore the error is (42x) or the failure to apply the law of multiplication of variables in a bracket.
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The answer to this problem is -0.66666
Answer:
235or 236
Step-by-step explanation:
A cone has a radius of 5 cm
a height of 9 cm
Volume of cone =1/3πr^2h
=1/3×3.14×5×5×9
= 3.14×25×3
=3.14×75
=235.5
=235or 236 is the answer
Steps to solve:
-3(x + 2) = 12
~Distributive Property
(-3 * x) + (-3 * 2) = 12
~Simplify
-3x - 6 = 12
~Add 6 to both sides
-3x - 6 + 6 = 12 + 6
~Simplify
-3x = 18
~Divide -3 to both sides
-3x/-3 = 18/-3
~Simplify
x = -6
Best of Luck!
Answer:
y= 4/3x
Step-by-step explanation:
false.No
Step-by-step explanation:
15x+18y=16
(8,2)
15(8)+18(2)=16
120+36=16
156=16
false
