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artcher [175]
3 years ago
15

Evaluate the expression for the given values: 2x^2 _8xy+3y^2 for x = -3 and y = 2

Mathematics
1 answer:
Ganezh [65]3 years ago
5 0

Answer:

Value = 78

Step-by-step explanation:

We replace the values, x = -3 and y = 2, so:

2x^{2} -8xy+3y^{2} =2(-3)^{2}-8(-3)(2)+3*2^{2}=2*9+48+3*4=18+48+12=78\\

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dangina [55]

Answer:

Step-by-step explanation:

If the 4th lies opposite the 11th, then you know the 3rd lies opposite the 10th, the 2nd opposite the 9th, and the 1st opposite the 8th; meanwhile, in the reverse direction you'd find that the 5th lies opposite the 12th, the 6th opposite the 13th, and the 7th opposite the 14th. Move up one more bead and you're back at the 1st, which you already know lies opposite the 8th. Therefore there are 14 total bead

4 0
3 years ago
A ferry needs to transport 2,232 people across the river. The ferry can take 31 people on each trip. How many trips will the fer
navik [9.2K]

Answer:

72 trips

Step-by-step explanation:

<em>Hey there!</em>

Well to find the amount of trips the ferry will need to take we'll do,

2232 ÷ 31 = 72

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<em>Hope this helps :)</em>

6 0
3 years ago
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tangare [24]
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3 years ago
What is the GCF of 12 and 24​
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Answer:

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6 0
2 years ago
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