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slamgirl [31]
3 years ago
6

If x=-1 , y=1 and z =2 then find the value of. a . 2x+3y +4z b. 5x2 +3y2+7z2​

Mathematics
1 answer:
inn [45]3 years ago
5 0

Answer:

a.2×1= 2 + 3×1=3 +4×2=8 now we have to put this ans and the ans is 13.

b. 5×1×2=10 + 3×1×2=6+ 7×2×2=28 now also we have to put this ans and this ans is 13

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Cerrena [4.2K]

Answer:

1) $500

Step-by-step explanation:

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3 0
3 years ago
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Helga [31]
I think it’s b
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5 0
2 years ago
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sashaice [31]
The answer to the question is 14

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3 0
3 years ago
Four minus x equals negative two. 4 - x = -2. whats x?
Roman55 [17]

Answer:

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2 years ago
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I really need help please help me out!
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I should say b or c
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