2 years ago

Solve the equation. a² = 100 Enter the correct answer in the boxes. a = 10 or a = ?

1 answer:

7 0

A = 10 or a = -10

When you square a number, you're essentially multiplying it by itself.

Recall that multiplying two negative numbers will result in a positive numbers. Knowing this, we know that -10 times -10 equals 100.

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What is the perimeter of a polygon with vertices at (3, 2) , (3, 9) , (7, 12) , (11, 9) , and (11, 2) ?

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2 years ago

What mixed numbers are equivalent to −1. 5/6 and −1. 7/9 and use the LCD? Enter your answers in the box. if it helps the

Vlada [557]

Answer: -1.5/6 = -1/4; -1.7/9 = -17/90

Step-by-step explanation: Yeah, I'm not exactly sure what the problem is asking for, but this how I interpreted it. Use the LCD of the fractions -1.5/6 and -1.7/9 to find equivalent fractions with integer numerators and denominators.

For me, LCD doesn't help with solving the problem that much.

But anyways, the first fraction, -1.5, can be turned in an integer if you multiply the entire fraction by 2. So the result would be -3/12. You can simplify this to -1/4.

The second fraction, when multiplied by 10 yields -17/90. 17 is a prime number and is not a factor of 90, thus the equivalent fraction of -1.7/9 is 17/90.

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Read 2 more answers

Solve the proportion 18/30 = 12/n. what does N equal?

natita [175]

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