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melomori [17]
3 years ago
9

If x = a + 2b, y=2a – b, and z=.–2b , what is x – y + 2z?

Mathematics
1 answer:
KiRa [710]3 years ago
7 0

Answer:

-a-3b

Step-by-step explanation:

a+2b-2a-b+2(-2b)

-a+b-4b

-a-3b

-(a+3b)

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the diagram, JG = 5 cm and GE = 10 cm. Based on this information, can G be a centroid of triangle HJK?
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Point G cannot be a centroid because GE is wider that JG or JG is shorter than GE. So in this diagram GE is wider than JG with 10 cm and 5 cm respectively based on this information Point G cannot be a centroid of triangle HJK. So the answer is point G cannot be a centroid because JG is shorter than GE.
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Answer:

5 is congruent, 6 is not congruent

Step-by-step explanation:

In 5, both shapes have the same side lengths. This means their areas are the same, making them congruent.

In 6, the shapes do not have the same side lengths. This means their areas are not the same, making them not congruent.

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3 years ago
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For interest question, plug in the values:

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t= 4 years

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