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marishachu [46]
2 years ago
15

Which of the following tables shows a proportional relationship?A)B) Please Help ASAP

Mathematics
1 answer:
tatuchka [14]2 years ago
7 0
Can you take a picture of the tables so i can see my choices??
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Explain how to graph the inequality 8>Y
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Answer:

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What is 10 3/4-3 1/2
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The answer is 7 1/4 
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Q.23 Prove that: (sin4A - cos4A + 1) = 2sin2A
FrozenT [24]

Answer:

Step-by-step explanation:

I think you have the question incomplete, and that this is the complete question

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

To do this, we can start my mirroring the equation.

x² + y² = (x + y)² - 2xy,

This helps us break down the power from 4 to 2, so that we have

(sin²a)² + (cos²a)² = (sin²a + cos²a) ² - 2(sin²a) (cos²a)

Recall from identity that

Sin²Φ + cos²Φ = 1, so therefore

(sin²a)² + (cos²a)² = 1² - 2(sin²a) (cos²a)

On expanding the power and the brackets, we find that we have the equation proved.

sin^4a + cos^4a = 1 - 2sin^2a.cos^2a

4 0
2 years ago
You and your sister each want to sit in the front seat of your mom’s car. For each of the following, decide if the
olya-2409 [2.1K]
The correct answer is A. You flip a two-sided coin.


the fairest answer would be A. you flip a two-sided coin. a randomly generated number would not be fair, and your mom choosing would also not be fair, therefore the answer is You flip a two-sided coin.


good luck :)
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3 years ago
??/??refuhekfelifhoeiheihfeoifheifheihfeirierierierhierhir
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Answer:

A= 1/2(2x)(x+7)

Step-by-step explanation:

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