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leonid [27]
3 years ago
14

K/2+1/2=3 what is k?

Mathematics
1 answer:
Ann [662]3 years ago
4 0

Answer:

k = 5

Step-by-step explanation:

k/2+1/2=3

Multiply each side by 2 to get rid of fractions

2(k/2+1/2)=3*2

k+1 = 6

Subtract 1 from each side to isolate k

k+1-1 = 6-1

k = 5

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A store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?
valina [46]

Answer:  The required markup percentage is 60%.

Step-by-step explanation:  Given that the store bought a pair of shoes for $50 and sold it for $80.

We are to find the markup percentage.

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Therefore, the markup percentage is given by

Sorry if i was wrong. But this soulution makes since so i think im right! Also please brainlest!

7 0
3 years ago
Can tell me if it's correct? If it's wrong, can you tell me the correct answer and how to solve it?
Sergio [31]

Answer:

C is a right triangle

Step-by-step explanation:

To determine if the triangle is right use Pythagoras' identity

A

9.4² = 88.36

6.4² + 7.1² = 91.37

88.36 ≠ 91.37 , thus not a right triangle

B

8.4² = 70.56

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70.56 ≠ 66.73 , thus not a right triangle

C

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Thus C is a right triangle

D

8.4² = 70.56

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70.56 ≠ 79.3 , thus not a right triangle

5 0
3 years ago
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4 years ago
Due in one hour help please
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Answer:

46 \sqrt{3}

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3 years ago
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lana [24]

Answer:20

Step-by-step explanation:

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