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alina1380 [7]
3 years ago
6

If x = 2 and y = -3, what is the value of 2x^2 + 3xy – 2y^2?

Mathematics
1 answer:
sammy [17]3 years ago
7 0

Answer: Given as,X=2 & Y=3,

now multiplying we get,

2xxy=2×2×3=12

Ans.) 12

Step-by-step explanation:

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Answer/Step-by-step explanation:

1. ∠XVR = 180 - <XVW (angle on a straight line)

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∠XVR = 125°

2. ∠RVS = <XVW (Vertical angles are congruent)

∠RVS = 55°

3. ∠WVS = ∠XVR (vertical angles are congruent)

∠WVS = 125°

4. ∠RST = <R + <RVS (exterior angle theorem)

<RST = 55 + 55

<RST = 110°

5. ∠RSV = 180 - (<R + <RVS) (sum of triangle)

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∠RSV = 70°

6. ∠VSU = <RST (vertical angles are congruent)

<VSU = 70°

7. ∠UST = <RSV (vertical angles)

<UST = 70°

8. ∠TUS = 180 - (<UST + <T) (sum of triangle)

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<TUS = 39°

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3 years ago
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vodka [1.7K]
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The proceeds from a car wash are directly proportional to the number of cars washed. The total after 9 cars was $180. How much c
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Answer:

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Step-by-step explanation:

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