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ASHA 777 [7]
3 years ago
12

Which of the following are identities?

Mathematics
2 answers:
USPshnik [31]3 years ago
4 0

Answer:

I believe that the answer is 1

Step-by-step explanation:

So an identity is an equation that both sides are equal.  So in the first answer 3(5 +2x)=15+6x  equals each other because after distributing the 3 into the (5+2X) it equals 15+6x

Bas_tet [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

3(5 + 2x) = 15 + 6x

15 + 6x = 15 + 6x

6x - 6x = 15 - 15

0 = 0

No solution, no identity.

y = x + 3

No identity.

Identity : a² - b² = (a + b) (a - b)

The only identity is option 3.

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ArbitrLikvidat [17]

Answer:

x=67.4

Step-by-step explanation:

well sin30:1/2

So y is not 30 since 5/13 doesn’t equal 1/2

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yuradex [85]

Answer:

The answer for the first problem is B. The answer to the second problem is A.

Step-by-step explanation:

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Explanation for second problem: Plug in the values of choice A., -2 and 4, and they cause the denominators to equal 0 which is against the rules or considered illegal.

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3 years ago
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schepotkina [342]

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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kaheart [24]
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3 years ago
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agasfer [191]

Answer:

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Step-by-step explanation:

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