3 years ago

Which of the following statements uses the commutative property of addition

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

5 0

Answer:

the first one

Step-by-step explanation:

The second equation doesn't make sense because that's not a true statement. The third equation uses the associative property so the answer must be the first one.

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A 8.5 B 8.1 C 12.5 D 12.9

elena55 [62]

Cosine again. Yay.

Put 36 into a fancy calculator with one of those cos() things. You get about 0.81.

So that's the ratio between x and 10.

So basically x/10 = 0.81, or 0.81 * 10 = x.

8.1 = x

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3 years ago

The measures of angle 1 and angle 2 are 30% and 45% of the sum of the angle measures of the triangle. Find the value of x. ASAP

s344n2d4d5 [400]

Answer: x = 25%

Step-by-step explanation: 45% + 30% = 75%

75% + 25% = 100%

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3 years ago

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