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Novosadov [1.4K]
2 years ago
13

Choose the expression that is equal to 28.3.

Mathematics
2 answers:
NemiM [27]2 years ago
8 0

Answer:none of them

Step-by-step explanation:

None of them equal 28.3. The closest is number 3, which is 26.3. Do the parenthesis, then the brackets, then add and subtract

sp2606 [1]2 years ago
6 0
None of them equal 28.3. Is there a chance you miss read the problem somewhere? Or is your teacher into doing trick questions?
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The measures of three angles of a triangle are given by (8x - 5), (2x)º, and (3x – 10). What is the measure of the largest angle
zhannawk [14.2K]

Answer: 115°

Step-by-step explanation:

We should note that the sum of the angles that are in a triangle is equal to 180°, therefore we will add the angles given and equate them to 180°. This will be:

(8x - 5) + (2x) + (3x - 10) = 180

8x - 5 + 2x + 3x - 10 = 180

Collect like terms

8x + 2x + 3x = 180 + 5 + 10

13x = 195

x = 195/13

x = 15

The angles are:

8x - 5 = 8(15) - 5 = 120 - 5 = 115°

2x = 2(15) = 30°

3x - 10 = 3(15) - 10 = 45 - 10 = 35°

Therefore, the largest angle is 115°

3 0
2 years ago
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GenaCL600 [577]

Answer:

True

Step-by-step explanation:

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3 years ago
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Mama L [17]

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Step-by-step explanation:

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After finding the value of μ using prism law

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Answer:

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Step-by-step explanation:

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