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eduard
3 years ago
9

Simplify the fraction below. −63/99

Mathematics
1 answer:
vivado [14]3 years ago
3 0

Answer:

-7/11

Step-by-step explanation:

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The ratio of the side lengths of a quadrilateral is 3:3:5:8, and the perimeter is 380cm. What is the measure of the longest side
MariettaO [177]

Answer: The second option (160 cm)

Step-by-step explanation:

1. You can obtain the perimeter of a quadrilateral by adding the lenghts of the sides.

2. You know that the ratio of the side lengths is 3:3:5:8 and the perimeter is 380 centimeters.

3. Therefore, you can write the following expression, where x is an integer:

3x+3x+5x+8x=380

4. Solve for x:

3x+3x+5x+8x=380\\19x=380\\x=\frac{380}{19}\\x=20

5. Therefore, the longest side is:

8x=8*20=160 (160 cm)

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3 years ago
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3 years ago
Two step equation 7x - 24 = 25 i really need help with this
nekit [7.7K]

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x = 7

Step-by-step explanation:

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Could someone help me out? Because I don't understand shapes and could you tell me how you know or give me a reason why. Thank y
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